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Paper Citation Record · LEDGER

On the non-existence of perfect codes in the sum-rank metric

As of 11 August 2026, this Paper Citation Record lists 29 of 29 outbound references and 2 inbound Pith citation observations for arXiv:2508.20940.

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

pith.paper-citation-record.v1
2508.20940 v1

Coverage vector

measured 29 of 29 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-05T14:49:36.308072Z

measured 31 of 31 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-11T06:34:44.6726+00:00

measured 2 of 2 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-03T09:53:52.815881Z

measured 0 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-05-12T10:16:28.772269Z

Reference resolution

29 of 29 outbound references displayed

  • verified exact2
  • verified fuzzy17
  • unresolved10
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation bfe570b6-b7e2-44a4-a5d6-4395ece1c5c1 · outbound

This paper cites Abiad, G.

On the non-existence of perfect codes in the sum-rank metric Abiad, G

Reference 1

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:37.014393Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.104105Z digest=sha256:fb09f5e322becb7d86c67a07b21795fc5a00dbe99cd9e343b0aaa6486fa409b3

Observation 0275a4f4-1340-47d1-87ad-fef0db2af1d5 · outbound

This paper cites an unresolved cited work.

On the non-existence of perfect codes in the sum-rank metric Unresolved cited work

Reference 2

Resolution
unresolved
raw_fallback, observed 2026-08-05T14:49:36.992081Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.112726Z digest=sha256:0a934d465785cf13e83f104307e10bf9dffbd08e2e3483fe52e8113b0b2fa24a

Observation 95ec283d-2f81-4f4b-9de1-cb23de01973f · outbound

This paper cites an unresolved cited work.

On the non-existence of perfect codes in the sum-rank metric Unresolved cited work

Reference 3

Resolution
unresolved
raw_fallback, observed 2026-08-05T14:49:36.968647Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.118694Z digest=sha256:d59f941b89146573f30dbf0775ed66aac48d9f00f0ef107d87da9659bfd2cae2

Observation 20b1c099-3ee4-48ff-8a81-f06b7d54da4b · outbound

This paper cites Bartoli, M.

On the non-existence of perfect codes in the sum-rank metric Bartoli, M

Reference 4

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.945104Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.127465Z digest=sha256:b35a7299829e8c8444c5a3205f7c3212c17e6df56323bdb5fcbad8053f74c029

Observation 2cc92410-8d85-4d94-99c4-188a5cbded78 · outbound

This paper cites Bonini, M.

On the non-existence of perfect codes in the sum-rank metric Bonini, M

Reference 5

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.922323Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.135518Z digest=sha256:cb89bd4c4a48cffa04cad7e07c1e94be2636cd0027788ba3130ec468a0d726af

Observation 38d788d2-43cb-4914-8902-6f0d50ca1ad4 · outbound

This paper cites Bonini, M.

On the non-existence of perfect codes in the sum-rank metric Bonini, M

Reference 6

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.902875Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.143945Z digest=sha256:cd8e60db26ef3665390f1ec2ada10ff384b828b355bb7b251e9afa8ee1571d3e

Observation e8462650-1471-40e9-92b6-2afef2b6212d · outbound

This paper cites Byrne, H.

On the non-existence of perfect codes in the sum-rank metric Byrne, H

Reference 7

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.881065Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.151164Z digest=sha256:5d83136946d5c27825695940a8341b9bbe3f13fdfcad2a19f6c5184ab0ee1eb1

Observation 4c926220-bf05-47be-8a56-4c21778c99e0 · outbound

This paper cites Byrne, H.

On the non-existence of perfect codes in the sum-rank metric Byrne, H

Reference 8

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.857311Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.161486Z digest=sha256:fda41f4ac86a48b7f1a577da2dd48a0cf9ef2dce661fc678ac2bd0e91b13745a

Observation 01f92ff9-03a5-4868-94ef-3a01778df406 · outbound

This paper cites Camps-Moreno, E.

On the non-existence of perfect codes in the sum-rank metric Camps-Moreno, E

Reference 9

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.834137Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.173148Z digest=sha256:54d7004ae5588ac03918cfe88d13ba299db03448c38c850fb2b4062aa4454db4

Observation 5ffac30f-5a47-4a85-9967-89614eb5c433 · outbound

This paper cites Quasi-Perfect and Distance-Optimal Codes Sum-Rank Codes.

On the non-existence of perfect codes in the sum-rank metric Quasi-Perfect and Distance-Optimal Codes Sum-Rank Codes

Reference 10

Resolution
verified exact
local_arxiv, observed 2026-08-05T14:49:36.452830Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.180755Z digest=sha256:91989b33d89d4c601d9db10d7b437511240f8357241ecae0c87e2b293e853637

Observation eef1bcc7-7073-4e14-8768-03a45dd9e454 · outbound

This paper cites an unresolved cited work.

On the non-existence of perfect codes in the sum-rank metric Unresolved cited work

Reference 11

Resolution
unresolved
raw_fallback, observed 2026-08-05T14:49:36.813475Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.190533Z digest=sha256:cbe7f9777be9d1cbbddd2a8804d37d7968711bea3f60a5c5da8dbfc75818e3c5

Observation 2e8ff937-1e12-420e-9b72-e976aac11a73 · outbound

This paper cites Sum-rank metric codes.

On the non-existence of perfect codes in the sum-rank metric Sum-rank metric codes

Reference 12

Resolution
unresolved
no resolver link, observed 2026-08-05T14:49:36.196293Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-05T14:49:36.196293Z digest=sha256:adeb34b34d904f97842f30de05e4ea9bdf9665768ca9e0aecafd4fa7149bff7f

Observation 0ac4d7a2-4db9-4038-a714-7c28053dd886 · outbound

This paper cites Properties of codes in rank metric.

On the non-existence of perfect codes in the sum-rank metric Properties of codes in rank metric

Reference 13

Resolution
unresolved
no resolver link, observed 2026-08-05T14:49:36.203381Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-05T14:49:36.203381Z digest=sha256:10fb2c1d7598ac3887968d0bdc9a01243d8eb85510a85257419239115f3d4659

Observation b9672f72-2584-4406-b8f1-d05b70a4ece3 · outbound

This paper cites Mart ´ ınez-Pe˜ nas and F.

On the non-existence of perfect codes in the sum-rank metric Mart ´ ınez-Pe˜ nas and F

Reference 14

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.793967Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.209531Z digest=sha256:d2e378c36707f56b3fef11db265f0f4ba65489458f12571e9a2d1ff7735c53aa

Observation f8636ef0-a37d-495a-b71d-4bbf8ddda26b · outbound

This paper cites Mart ´ ınez-Pe˜ nas, M.

On the non-existence of perfect codes in the sum-rank metric Mart ´ ınez-Pe˜ nas, M

Reference 15

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.772294Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.219926Z digest=sha256:a731470bf15a44dab594949df437a3b30e01e878307c62010ad5e6e1352dcb69

Observation 82a4d4e3-cfff-4bcd-938e-d9337b2cf1a3 · outbound

This paper cites Mart ´ ınez-Pe˜ nas.

On the non-existence of perfect codes in the sum-rank metric Mart ´ ınez-Pe˜ nas

Reference 16

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.750260Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.228816Z digest=sha256:fb44b627b8869499868426d2e937c6af63bfd426674e289d13b158c15ee6d28f

Observation 6c1818bc-0807-4f9d-81e4-109e9065eb49 · outbound

This paper cites Perfect Hermitian rank-metric codes.

On the non-existence of perfect codes in the sum-rank metric Perfect Hermitian rank-metric codes

Reference 17

Resolution
verified exact
local_arxiv, observed 2026-08-05T14:49:36.367635Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.235090Z digest=sha256:4540c6b006328e58841e067430c9b686a79d641daeb4620bdd304c3c96c3ffcf

Observation ddcf8fb1-798f-4acb-96ca-cc4b925b9bcd · outbound

This paper cites Mushrraf and F.

On the non-existence of perfect codes in the sum-rank metric Mushrraf and F

Reference 18

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.730772Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.240203Z digest=sha256:c6e2265d20c75fd6d987b5fdaa6ba2cadb87038edf597ba646744a4de142272d

Observation 9dd54caf-a0e0-4664-993c-d05008a913f2 · outbound

This paper cites an unresolved cited work.

On the non-existence of perfect codes in the sum-rank metric Unresolved cited work

Reference 19

Resolution
unresolved
raw_fallback, observed 2026-08-05T14:49:36.709999Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.247816Z digest=sha256:ffa9098ed44caba1fbbb1931d0ca8d938b84019ccc8f0861fc36ac7081dccad5

Observation 6e2cde3d-2d80-48b1-b8ca-8e6ee81b096e · outbound

This paper cites Puchinger, J.

On the non-existence of perfect codes in the sum-rank metric Puchinger, J

Reference 20

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.688847Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.253395Z digest=sha256:be14f58717469d61ef7bfae6e87c0d2fff905c7a365d08506a7b868647769347

Observation f99a10a1-85a6-4d3a-abf6-48c8be27fbfc · outbound

This paper cites an unresolved cited work.

On the non-existence of perfect codes in the sum-rank metric Unresolved cited work

Reference 21

Resolution
unresolved
raw_fallback, observed 2026-08-05T14:49:36.666529Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.260257Z digest=sha256:70f5ffa52de5cd47f304d9e48a4ccfe0b8bca6bcf97dc110e8f60a3a35027d0b

Observation 41a110df-8794-477b-a768-5f73187b4692 · outbound

This paper cites Sauerbier Couv´ ee, T.

On the non-existence of perfect codes in the sum-rank metric Sauerbier Couv´ ee, T

Reference 22

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.640940Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.266026Z digest=sha256:ff4970b4afa5e808db00834b2dc265754731ad0af750ee1792e93bfe18c467f4

Observation 9ff6fb6a-7ae3-4749-9753-b6c9b3652ca1 · outbound

This paper cites an unresolved cited work.

On the non-existence of perfect codes in the sum-rank metric Unresolved cited work

Reference 23

Resolution
unresolved
raw_fallback, observed 2026-08-05T14:49:36.613348Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.271786Z digest=sha256:15a0b64feab1acb95d7f76638a3060ef10b8cb16511089b4be8d969fb54212f1

Observation 89a4bb92-c774-4b0b-bff3-5d58b9465693 · outbound

This paper cites Tiet¨ av¨ ainen.

On the non-existence of perfect codes in the sum-rank metric Tiet¨ av¨ ainen

Reference 24

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.594165Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.278023Z digest=sha256:7c0c5a6335c238787f4ed8b9ef1755da477ad03fa78ee385ac6683c6dc5d5bae

Observation ed42fe36-55a8-4151-b767-73d732f5e23a · outbound

This paper cites Tiet¨ av¨ ainen and A.

On the non-existence of perfect codes in the sum-rank metric Tiet¨ av¨ ainen and A

Reference 25

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.566451Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.284903Z digest=sha256:9dd0c37a5c24a4750891b8d8c9ee0ac072e87f2f214900a1e9b9de28c8f48a29

Observation 5e5ec831-cca2-48d5-a10e-7364f854c773 · outbound

This paper cites Van Lint.

On the non-existence of perfect codes in the sum-rank metric Van Lint

Reference 26

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.543526Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.291791Z digest=sha256:92fb2ce9091b4ce6dfafc55cc2d3cac6bac25dc182b59724e3ecf7114441a16f

Observation 5b49160f-6ec7-4e86-a243-bbef9178f902 · outbound

This paper cites an unresolved cited work.

On the non-existence of perfect codes in the sum-rank metric Unresolved cited work

Reference 27

Resolution
unresolved
raw_fallback, observed 2026-08-05T14:49:36.523152Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.297029Z digest=sha256:a70d92cf6c6c20cd33f0ba73972d8c8be44ec15410069e1b9ec7d55916d0ac51

Observation 95c7e5b2-0f64-4f01-a496-00da12651014 · outbound

This paper cites an unresolved cited work.

On the non-existence of perfect codes in the sum-rank metric Unresolved cited work

Reference 28

Resolution
unresolved
raw_fallback, observed 2026-08-05T14:49:36.501572Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.302321Z digest=sha256:a3ebcd13a3767e4d1f8e287d7bba5a82828bcee481eb30698a92cafb51d629e5

Observation 9a805b01-54a1-4970-b7b6-2945e055f2d3 · outbound

This paper cites Luigi Vanvitelli.

On the non-existence of perfect codes in the sum-rank metric Luigi Vanvitelli

Reference 29

Resolution
verified fuzzy
raw_fallback, observed 2026-08-05T14:49:36.474302Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-08-05T14:49:36.308072Z digest=sha256:6905d2970a4a2a4d6080a8635e93e4f37f9f967a185f9b7dadf199d9ca865f28

Pith citing papers

Observation 226a6d86-8e87-4672-b5d0-bdd22dbf9265 · inbound

Perfect codes in weakly metric association schemes cites this paper.

Perfect codes in weakly metric association schemes On the non-existence of perfect codes in the sum-rank metric

Reference 21

Resolution
unresolved
no resolver link, observed 2026-08-03T09:53:52.815881Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-03T09:53:52.815881Z digest=sha256:8ced70aca67459a9a84529ddf34c560026ec1e161fe51a241fd4c3eb97ca7c75

Observation 34f8ea7a-0170-495b-a952-e44498617f5a · inbound

Semidefinite and linear programming bounds for sum-rank-metric codes and non-existence results cites this paper.

Semidefinite and linear programming bounds for sum-rank-metric codes and non-existence results On the non-existence of perfect codes in the sum-rank metric

Reference 14

Resolution
verified exact
arxiv_id, observed 2026-05-12T10:16:28.773909Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.

source=pdf_text observed=2026-05-07T06:38:16.861470Z digest=sha256:21f164ca91dc3b332ebfd1ffd636418a3473813bc04d670545ec567a8428b08d