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Example report with made-up contacts. Nothing here comes from a real portal.

Form “Webinar signup”

Associated source HubSpot’s own record names this source.

Why these records were grouped

Email address, Matched on Work email: the records in each group share that value. Email addresses are masked.

Creation pattern

8 new records appeared after an earlier record with the same value. The first appeared 2026-09-09.

  • Week of 2026-09-07: 1
  • Week of 2026-09-21: 1
  • Week of 2026-10-05: 1
  • Week of 2026-10-12: 2
  • Week of 2026-10-19: 1
  • Week of 2026-10-26: 2

Evidence for this source

Each new record, when its email address was first observed, and the source HubSpot shows
New recordCreatedEmail address first observed on this recordSource HubSpot showsStatusRule
record 10022026-09-09 15:00 UTC2026-09-09 15:00 UTC (type not shown)Form “Webinar signup”Associated sourceR-E1
record 10042026-09-23 15:00 UTC2026-09-23 15:00 UTC (type not shown)Form “Webinar signup”Associated sourceR-E1
record 10062026-10-06 15:00 UTC2026-10-06 15:00 UTC (type not shown)Form “Webinar signup”Associated sourceR-E1
record 10082026-10-14 15:00 UTC2026-10-14 15:00 UTC (type not shown)Form “Webinar signup”Associated sourceR-E1
record 10322026-10-16 10:00 UTC2026-10-16 10:00 UTC (type not shown)Form “Webinar signup”Associated sourceR-E1
record 10102026-10-21 15:00 UTC2026-10-21 15:00 UTC (type not shown)Form “Webinar signup”Associated sourceR-E1
record 10122026-10-27 15:00 UTC2026-10-27 15:00 UTC (type not shown)Form “Webinar signup”Associated sourceR-E1
record 10142026-10-29 15:00 UTC2026-10-29 15:00 UTC (type not shown)Form “Webinar signup”Associated sourceR-E1
  • New record
    record 1002
    Created
    2026-09-09 15:00 UTC
    Email address first observed on this record
    2026-09-09 15:00 UTC (type not shown)
    Source HubSpot shows
    Form “Webinar signup”
    Status
    Associated source
    Rule
    R-E1
  • New record
    record 1004
    Created
    2026-09-23 15:00 UTC
    Email address first observed on this record
    2026-09-23 15:00 UTC (type not shown)
    Source HubSpot shows
    Form “Webinar signup”
    Status
    Associated source
    Rule
    R-E1
  • New record
    record 1006
    Created
    2026-10-06 15:00 UTC
    Email address first observed on this record
    2026-10-06 15:00 UTC (type not shown)
    Source HubSpot shows
    Form “Webinar signup”
    Status
    Associated source
    Rule
    R-E1
  • New record
    record 1008
    Created
    2026-10-14 15:00 UTC
    Email address first observed on this record
    2026-10-14 15:00 UTC (type not shown)
    Source HubSpot shows
    Form “Webinar signup”
    Status
    Associated source
    Rule
    R-E1
  • New record
    record 1032
    Created
    2026-10-16 10:00 UTC
    Email address first observed on this record
    2026-10-16 10:00 UTC (type not shown)
    Source HubSpot shows
    Form “Webinar signup”
    Status
    Associated source
    Rule
    R-E1
  • New record
    record 1010
    Created
    2026-10-21 15:00 UTC
    Email address first observed on this record
    2026-10-21 15:00 UTC (type not shown)
    Source HubSpot shows
    Form “Webinar signup”
    Status
    Associated source
    Rule
    R-E1
  • New record
    record 1012
    Created
    2026-10-27 15:00 UTC
    Email address first observed on this record
    2026-10-27 15:00 UTC (type not shown)
    Source HubSpot shows
    Form “Webinar signup”
    Status
    Associated source
    Rule
    R-E1
  • New record
    record 1014
    Created
    2026-10-29 15:00 UTC
    Email address first observed on this record
    2026-10-29 15:00 UTC (type not shown)
    Source HubSpot shows
    Form “Webinar signup”
    Status
    Associated source
    Rule
    R-E1

Limits of this evidence

HubSpot’s own record names this source. It shows where the record came from, not why a duplicate exists.

Every record in these groups

Group g1

Earliest record found: record 1001, created 2025-03-14 10:00 UTC. This is the earliest record HubSpot’s creation times show, not a confirmed original.

  • Ava Reed · w•••@example.com · record 1001 · created 2025-03-14 10:00 UTC (earliest record found)
  • Ava Reed · w•••@example.com · record 1002 · created 2026-09-09 15:00 UTC

Group g16

Earliest record found: record 1031, created 2025-06-01 10:00 UTC. This is the earliest record HubSpot’s creation times show, not a confirmed original.

  • p•••@example.com · record 1031 · created 2025-06-01 10:00 UTC (earliest record found)
  • p•••@example.org · record 1032 · created 2026-10-16 10:00 UTC

Group g2

Earliest record found: record 1003, created 2025-03-14 10:00 UTC. This is the earliest record HubSpot’s creation times show, not a confirmed original.

  • Ben Ortiz · w•••@example.com · record 1003 · created 2025-03-14 10:00 UTC (earliest record found)
  • Ben Ortiz · w•••@example.com · record 1004 · created 2026-09-23 15:00 UTC

Group g3

Earliest record found: record 1005, created 2025-03-14 10:00 UTC. This is the earliest record HubSpot’s creation times show, not a confirmed original.

  • Cleo Park · w•••@example.com · record 1005 · created 2025-03-14 10:00 UTC (earliest record found)
  • Cleo Park · w•••@example.com · record 1006 · created 2026-10-06 15:00 UTC

Group g4

Earliest record found: record 1007, created 2025-03-14 10:00 UTC. This is the earliest record HubSpot’s creation times show, not a confirmed original.

  • Dev Shah · w•••@example.com · record 1007 · created 2025-03-14 10:00 UTC (earliest record found)
  • Dev Shah · w•••@example.com · record 1008 · created 2026-10-14 15:00 UTC

Group g5

Earliest record found: record 1009, created 2025-03-14 10:00 UTC. This is the earliest record HubSpot’s creation times show, not a confirmed original.

  • Eli Moss · w•••@example.com · record 1009 · created 2025-03-14 10:00 UTC (earliest record found)
  • Eli Moss · w•••@example.com · record 1010 · created 2026-10-21 15:00 UTC

Group g6

Earliest record found: record 1011, created 2025-03-14 10:00 UTC. This is the earliest record HubSpot’s creation times show, not a confirmed original.

  • Fay Lin · w•••@example.com · record 1011 · created 2025-03-14 10:00 UTC (earliest record found)
  • Fay Lin · w•••@example.com · record 1012 · created 2026-10-27 15:00 UTC

Group g7

Earliest record found: record 1013, created 2025-03-14 10:00 UTC. This is the earliest record HubSpot’s creation times show, not a confirmed original.

  • Gus Hale · w•••@example.com · record 1013 · created 2025-03-14 10:00 UTC (earliest record found)
  • Gus Hale · w•••@example.com · record 1014 · created 2026-10-29 15:00 UTC

Next: Check whether “Webinar signup” is set to create a new contact when the email changes, or has a hidden email field.