Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-07T04:13:16.082298Z
Paper Citation Record · LEDGER
As of 14 August 2026, this Paper Citation Record lists 12 of 12 outbound references and 1 inbound Pith citation observation for arXiv:2506.11628.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-07T04:13:16.082298Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-13T06:32:02.005865+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-05T20:09:22.327963Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-05T20:09:23.157867Z
12 of 12 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 1ac4d63a-90ab-45ca-ae56-4897f5739109 · outbound
Two Tiling is Undecidable The undecidability of the domino problem
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation aaa610b3-5962-4f3b-9300-232c1a4d78cc · outbound
Two Tiling is Undecidable Tiling with Three Polygons is Undecidable
Reference 2
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 90f471a9-9c12-416d-8835-303f6ec06396 · outbound
Two Tiling is Undecidable Girault-Beauquier and M
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f5e12d69-0043-447d-8ac3-e9c203a83723 · outbound
Two Tiling is Undecidable Unresolved cited work
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 1f27e734-1fd4-44c1-bd1f-096c0e751366 · outbound
Two Tiling is Undecidable Open questions in tiling
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 8d3e6ef9-46bb-42f2-b32f-492a640577d2 · outbound
Two Tiling is Undecidable On the undecidability of the tiling problem
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation f2fdfc22-9baa-48e8-afbe-6681d0b47a32 · outbound
Two Tiling is Undecidable Two-by-two substitution systems and the undecidability of the domino prob- lem
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 0f98304f-5f63-4caf-b839-b1b11fa5a06c · outbound
Two Tiling is Undecidable Tiling the plane with a fixed number of polyominoes
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation ef590c57-f20e-492e-aaa6-3ca8c0eef978 · outbound
Two Tiling is Undecidable Robinson
Reference 9
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4f45d607-2f6c-4b41-9436-fc4e033ebbaf · outbound
Two Tiling is Undecidable Kaplan, and Chaim Goodman-Strauss
Reference 10
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5cfbcc0c-b29a-410f-b5e5-59f7a5b36aca · outbound
Two Tiling is Undecidable Kaplan, and Chaim Goodman-Strauss
Reference 11
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation bee43a3b-eeda-482f-a685-73192dfb40d6 · outbound
Two Tiling is Undecidable Translational tiling with 8 polyominoes is undecidable
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 54883615-0c8c-408f-9d34-ab6c84e101d2 · inbound
Undecidability of Translational Tiling with 2 Polycubes Two Tiling is Undecidable
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.