Paper Citation Record · LEDGER

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background

As of 20 August 2026, this Paper Citation Record lists 15 of 15 outbound references and 5 inbound Pith citation observations for arXiv:2501.08956.

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

pith.paper-citation-record.v1
2501.08956 v1

Coverage vector

measured 15 of 15 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-10T20:16:29.903283Z

measured 20 of 20 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-20T06:33:59.587034+00:00

measured 5 of 5 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-16T10:19:41.845144Z

measured 0 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-05-21T08:29:53.078013Z

Reference resolution

15 of 15 outbound references displayed

verified exact2
verified fuzzy2
unresolved10
parse uncertain0
malformed identifier0
metadata mismatch1

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 6d7016fc-52fb-4eab-9ace-e22f1566d903 · outbound

This paper cites The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background

Reference 1

Resolution: unresolved; no resolver link, observed 2026-08-10T20:16:29.828546Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation d6bf0b00-4eff-4caa-9551-5a3da8f5c5fa · outbound

This paper cites The second data release from the European Pulsar Timing Array III. Search for gravitational wave signals.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background The second data release from the European Pulsar Timing Array III. Search for gravitational wave signals

Reference 2

Resolution: unresolved; no resolver link, observed 2026-08-10T20:16:29.834356Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 01a9e6b8-40a0-4bc4-aabe-27c342beaf41 · outbound

This paper cites Search for an isotropic gravitational-wave background with the Parkes Pulsar Timing Array.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background Search for an isotropic gravitational-wave background with the Parkes Pulsar Timing Array

Reference 3

Resolution: unresolved; no resolver link, observed 2026-08-10T20:16:29.839650Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 84b6343b-3853-49ba-bf55-39fac002a52d · outbound

This paper cites Searching for the nano-Hertz stochastic gravitational wave background with the Chinese Pulsar Timing Array Data Release I.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background Searching for the nano-Hertz stochastic gravitational wave background with the Chinese Pulsar Timing Array Data Release I

Reference 4

Resolution: unresolved; no resolver link, observed 2026-08-10T20:16:29.845661Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 8a5cba19-a366-408b-93e3-2acaa8cac79e · outbound

This paper cites The NANOGrav 15 yr Data Set: Looking for Signs of Discreteness in the Gravitational-wave Background.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background The NANOGrav 15 yr Data Set: Looking for Signs of Discreteness in the Gravitational-wave Background

Reference 5

Resolution: unresolved; no resolver link, observed 2026-08-10T20:16:29.850878Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 57eb793d-3b78-4745-8325-87d53160c0aa · outbound

This paper cites & Quataert, E.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background & Quataert, E

Reference 6

Resolution: verified fuzzy; raw_fallback, observed 2026-08-10T20:16:30.258117Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.

Observation e1015ab6-01a9-46f6-b1e2-bd5efda7232f · outbound

This paper cites The NANOGrav 15 yr Data Set: Chromatic Gaussian Process Noise Models for Six Pulsars.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background The NANOGrav 15 yr Data Set: Chromatic Gaussian Process Noise Models for Six Pulsars

Reference 7

Resolution: verified exact; local_arxiv, observed 2026-08-10T20:16:30.145409Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.

Observation e552a987-86a2-4b22-9ca1-68b83938c655 · outbound

This paper cites Gravitational waves and stalled satellites from massive galaxy mergers at z <= 1.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background Gravitational waves and stalled satellites from massive galaxy mergers at z <= 1

Reference 8

Resolution: unresolved; no resolver link, observed 2026-08-10T20:16:29.867841Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 08e4af4c-2deb-4faf-8801-d90718935689 · outbound

This paper cites an unresolved cited work.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background Unresolved cited work

Reference 9

Resolution: unresolved; no resolver link, observed 2026-08-10T20:16:29.872853Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4eeb1b95-e46b-4e50-b9d1-2c21d8133a9f · outbound

This paper cites Observational Signatures of Supermassive Black Hole Binaries.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background Observational Signatures of Supermassive Black Hole Binaries

Reference 10

Resolution: unresolved; no resolver link, observed 2026-08-10T20:16:29.877471Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 166d9c24-d62a-4976-bc28-9ea828865e1e · outbound

This paper cites & Grupe, D.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background & Grupe, D

Reference 11

Resolution: verified fuzzy; raw_fallback, observed 2026-08-10T20:16:30.242736Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.

Observation c83cf303-745c-4049-898c-7ae8a075c1fd · outbound

This paper cites Quasars with Periodic Variability: Capabilities and Limitations of Bayesian Searches for Supermassive Black Hole Binaries in Time-Domain Surveys.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background Quasars with Periodic Variability: Capabilities and Limitations of Bayesian Searches for Supermassive Black Hole Binaries in Time-Domain Surveys

Reference 12

Resolution: metadata mismatch; local_arxiv, observed 2026-08-10T20:16:30.007762Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.

Observation 59b622c1-7457-4cfa-bb12-dedb1c9fffed · outbound

This paper cites Periodicity significance testing with null-signal templates: reassessment of PTF's SMBH binary candidates.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background Periodicity significance testing with null-signal templates: reassessment of PTF's SMBH binary candidates

Reference 13

Resolution: verified exact; local_arxiv, observed 2026-08-10T20:16:29.982617Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.

Observation ea572ef4-a679-46ba-8314-9e6b9806f612 · outbound

This paper cites Multi-messenger Time-domain Signatures Of Supermassive Black Hole Binaries.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background Multi-messenger Time-domain Signatures Of Supermassive Black Hole Binaries

Reference 14

Resolution: unresolved; no resolver link, observed 2026-08-10T20:16:29.898044Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a62d92f5-a2d6-4001-9255-d8b2ab06f3f1 · outbound

This paper cites Identifying Host Galaxies of Supermassive Black Hole Binaries Found by PTAs.

Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background Identifying Host Galaxies of Supermassive Black Hole Binaries Found by PTAs

Reference 15

Resolution: unresolved; no resolver link, observed 2026-08-10T20:16:29.903283Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Pith citing papers

Observation 044648f9-74f2-4781-8eb0-dcee8af2c251 · inbound

Complex morphology and precession indicators of AGN jets in LoTSS DR2 cites this paper.

Complex morphology and precession indicators of AGN jets in LoTSS DR2 Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background

Reference 53

Resolution: unresolved; no resolver link, observed 2026-08-16T10:19:41.845144Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a4ffb4df-9dde-4ebb-a052-081d3fb6524d · inbound

Fingerprints of Individual Supermassive Black Hole Binaries in Pulsar Timing Arrays cites this paper.

Fingerprints of Individual Supermassive Black Hole Binaries in Pulsar Timing Arrays Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background

Reference 13

Resolution: unresolved; no resolver link, observed 2026-08-02T18:47:41.656234Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation cd52a6ea-3142-4f7c-b10a-b177ad37d70b · inbound

MEMTIER: Tiered Memory Architecture and Retrieval Bottleneck Analysis for Long-Running Autonomous AI Agents cites this paper.

MEMTIER: Tiered Memory Architecture and Retrieval Bottleneck Analysis for Long-Running Autonomous AI Agents Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background

Reference 1

Resolution: verified exact; arxiv_id, observed 2026-05-12T10:41:30.472623Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.

Observation 7e3f71e6-f671-42e0-bbaf-c636fcb985aa · inbound

MEMTIER: Tiered Memory Architecture and Retrieval Bottleneck Analysis for Long-Running Autonomous AI Agents cites this paper.

MEMTIER: Tiered Memory Architecture and Retrieval Bottleneck Analysis for Long-Running Autonomous AI Agents Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background

Reference 1

Resolution: verified exact; arxiv_id, observed 2026-05-21T08:29:53.079875Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.

Observation 98217161-a9f5-4f07-a704-83bf972e8ee6 · inbound

The SKAO Pulsar Timing Array cites this paper.

The SKAO Pulsar Timing Array Insights into Supermassive Black Hole Mergers from the Gravitational Wave Background

Reference 3

Resolution: unresolved; no resolver link, observed 2026-07-12T05:10:13.912506Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.