Paper Citation Record · LEDGER

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS

As of 20 August 2026, this Paper Citation Record lists 19 of 19 outbound references and 3 inbound Pith citation observations for arXiv:2507.11720.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2507.11720 v1

Coverage vector

measured 19 of 19 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-06T17:08:39.407355Z

measured 22 of 22 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-19T06:32:44.657259+00:00

measured 3 of 3 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-06T20:26:53.179964Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: pith, observed 2026-08-06T16:41:15.439245Z

Reference resolution

19 of 19 outbound references displayed

verified exact3
verified fuzzy1
unresolved15
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation e2bc221b-6cb5-44e0-b6cc-fa4af77efc2c · outbound

This paper cites J., et al.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS J., et al

Reference 1

Resolution: verified exact; doi, observed 2026-08-06T17:08:40.502420Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 97cecca8-da4e-441d-a940-81781d07d258 · outbound

This paper cites T., & Lisse, C.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS T., & Lisse, C

Reference 2

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:37.245933Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 3eca151e-7e7e-427d-9afc-90991b790ef5 · outbound

This paper cites T., Lisse, C.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS T., Lisse, C

Reference 3

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:37.346409Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 7bc2d9bd-65c5-4175-80c2-2df2b43d9c93 · outbound

This paper cites Interstellar comet 3I/ATLAS: discovery and physical description.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS Interstellar comet 3I/ATLAS: discovery and physical description

Reference 4

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:37.476705Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 1f44f689-5a72-442c-8aa1-ead93cbe4d77 · outbound

This paper cites A., Milam, S.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS A., Milam, S

Reference 5

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:37.565108Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 32f6dc07-f71d-4d9a-97e4-f5798365bcec · outbound

This paper cites J., & Jackson, A.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS J., & Jackson, A

Reference 6

Resolution: verified exact; doi, observed 2026-08-06T17:08:40.122795Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 8710cedd-4289-49f4-9e70-cb2ef3420b79 · outbound

This paper cites 2018, Nature Astronomy, 2, 133, doi: 10.1038/s41550-017-0361-4.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS 2018, Nature Astronomy, 2, 133, doi: 10.1038/s41550-017-0361-4

Reference 7

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:37.771547Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 7b521941-be32-4686-a178-35c81caed197 · outbound

This paper cites 2020, Nature Astronomy, 4, 53, doi: 10.1038/s41550-019-0931-8.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS 2020, Nature Astronomy, 4, 53, doi: 10.1038/s41550-019-0931-8

Reference 8

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:37.981523Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 3a151ccc-4bb6-4151-9c91-fff45548daea · outbound

This paper cites 2016, in SPIE, Vol.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS 2016, in SPIE, Vol

Reference 9

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:38.190671Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 993d1b3b-4486-4785-ac03-8c7213b72952 · outbound

This paper cites 2019, ApJL, 886, L29, doi: 10.3847/2041-8213/ab530b.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS 2019, ApJL, 886, L29, doi: 10.3847/2041-8213/ab530b

Reference 10

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:38.378787Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4c159b13-f568-4928-93e7-4e0e1364156e · outbound

This paper cites an unresolved cited work.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS Unresolved cited work

Reference 11

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:38.479735Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b092b91a-8b6d-4282-9952-a4fa9d6c9756 · outbound

This paper cites 2018, in SPIE, Vol.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS 2018, in SPIE, Vol

Reference 12

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:38.586431Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 3a3808e9-3ee4-4d9b-9a62-b29bb833bc2e · outbound

This paper cites E., Pahuja, R., et al.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS E., Pahuja, R., et al

Reference 13

Resolution: verified exact; doi, observed 2026-08-06T17:08:39.729954Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation e2bf6bd5-95dc-4b7c-92cf-10e9b036557f · outbound

This paper cites J., Weryk, R., Micheli, M., et al.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS J., Weryk, R., Micheli, M., et al

Reference 14

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:38.847506Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation dd3aa250-4012-4128-8b7b-90096aa5532d · outbound

This paper cites J., et al.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS J., et al

Reference 15

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:38.976441Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation f3560bce-6b91-4a98-874e-33d8473b42ce · outbound

This paper cites Snapshot of a new interstellar comet: 3I/ATLAS has a red and featureless spectrum.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS Snapshot of a new interstellar comet: 3I/ATLAS has a red and featureless spectrum

Reference 16

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:39.075867Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 84642c82-3f7a-425f-b7be-a8c1b61b90e9 · outbound

This paper cites G., & Farnham, T.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS G., & Farnham, T

Reference 17

Resolution: verified fuzzy; raw_fallback, observed 2026-08-06T17:08:41.101674Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation ca89e6fc-f43f-48fa-b781-304be9e537f2 · outbound

This paper cites 2020, ApJL, 896, L8, doi: 10.3847/2041-8213/ab963f.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS 2020, ApJL, 896, L8, doi: 10.3847/2041-8213/ab963f

Reference 18

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:39.277508Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4e42f638-65e4-49c1-a279-0602ab599b6d · outbound

This paper cites Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS.

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS

Reference 19

Resolution: unresolved; no resolver link, observed 2026-08-06T17:08:39.407355Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Pith citing papers

Observation 8d259f6f-d08c-4d95-af7a-b07a8f3c03ca · inbound

Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS cites this paper.

Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS

Reference 11

Resolution: unresolved; no resolver link, observed 2026-08-06T20:26:53.179964Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 9ccd0e60-7175-47b7-97c2-9ecec116d0e0 · inbound

X-SHOOTER Spectrum of Comet 3I/ATLAS: Insights into a Distant Interstellar Visitor cites this paper.

X-SHOOTER Spectrum of Comet 3I/ATLAS: Insights into a Distant Interstellar Visitor Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS

Reference 3

Resolution: unresolved; no resolver link, observed 2026-08-06T18:54:31.642989Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation f1dc5533-6a02-4fd4-a007-2491324967a5 · inbound

Assessing interstellar comet 3I/ATLAS with the 10.4 m Gran Telescopio Canarias and the Two-meter Twin Telescope cites this paper.

Assessing interstellar comet 3I/ATLAS with the 10.4 m Gran Telescopio Canarias and the Two-meter Twin Telescope Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS

Reference 6

Resolution: verified exact; local_arxiv, observed 2026-08-06T16:41:15.545526Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.