Paper Citation Record · LEDGER

Discovery of Niobium Hydride Precipitates in Superconducting Qubits

As of 22 August 2026, this Paper Citation Record lists 47 of 47 outbound references and 1 inbound Pith citation observation for arXiv:2508.10889.

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

pith.paper-citation-record.v1
2508.10889 v1

Coverage vector

measured 47 of 47 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-05T20:18:33.448434Z

measured 48 of 48 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-21T06:32:19.484+00:00

measured 1 of 1 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-01T23:48:24.148086Z

measured 1 of 1 external citation measurements

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

Source: pith, observed 2026-08-05T02:28:24.338817Z

Reference resolution

47 of 47 outbound references displayed

verified exact3
verified fuzzy30
unresolved14
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

0
pith, observed 2026-08-05T02:28:24.338817Z

Outbound references

Observation 96e77e06-f54e-4d03-8741-7d9784e5e7bf · outbound

This paper cites Anisotropic superconductivity of niobium based on its response to non-magnetic disorder.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Anisotropic superconductivity of niobium based on its response to non-magnetic disorder

Reference 1

Resolution: verified exact; local_arxiv, observed 2026-08-05T20:18:33.979280Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 37f2fe18-28b8-4359-b018-eb4aa53895fa · outbound

This paper cites Quasiparticle spectroscopy, transport, and magnetic properties of Nb films used in superconducting transmon qubits.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Quasiparticle spectroscopy, transport, and magnetic properties of Nb films used in superconducting transmon qubits

Reference 2

Resolution: verified exact; local_arxiv, observed 2026-08-05T20:18:33.765327Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 8553a384-bbc9-4491-8de0-1eb8ca0c6d10 · outbound

This paper cites Premkumar et al., Microscopic relaxation channels in materials for superconducting qubits, Commun.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Premkumar et al., Microscopic relaxation channels in materials for superconducting qubits, Commun

Reference 3

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:44.095134Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation c0056738-4f65-46e8-8004-000b29e33793 · outbound

This paper cites Müller, J.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Müller, J

Reference 4

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:43.904773Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 55b4841a-4a72-4927-a7ea-df6d07814420 · outbound

This paper cites Zmuidzinas, Superconducting Microresonators: Physics and Applications, Annu.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Zmuidzinas, Superconducting Microresonators: Physics and Applications, Annu

Reference 5

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:43.628561Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 9e6f488d-7ad0-4c88-bdfa-c92a21962a7c · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 6

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:43.406857Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation a62e9e00-6bf7-4881-b3b9-47d96d4b3cbf · outbound

This paper cites McDermott, Materials Origins of Decoherence in Superconducting Qubits, IEEE Trans.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits McDermott, Materials Origins of Decoherence in Superconducting Qubits, IEEE Trans

Reference 7

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:43.239755Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 9f3f6e33-ceb6-43c6-bf05-83667b57391c · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 8

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:43.017993Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 3e126cba-50f4-493d-a2a6-d7378ccba6fc · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 9

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:42.753512Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 89d2b341-50c2-4022-94e3-f3e645a5fc1e · outbound

This paper cites Bafia, A.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Bafia, A

Reference 10

Resolution: unresolved; no resolver link, observed 2026-08-05T20:18:28.884369Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 7143cdbc-0333-4e53-9cab-f80c9055979a · outbound

This paper cites Localization and reduction of superconducting quantum coherent circuit losses.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Localization and reduction of superconducting quantum coherent circuit losses

Reference 11

Resolution: verified exact; local_arxiv, observed 2026-08-05T20:18:33.621878Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 72a5949e-ab72-498b-87b9-7cbebd56a4ea · outbound

This paper cites Romanenko and D.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Romanenko and D

Reference 12

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:42.566856Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 7a0fe0df-9914-4daa-9260-537c05a9c279 · outbound

This paper cites Megrant et al., Planar superconducting resonators with internal quality factors above one million, Appl.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Megrant et al., Planar superconducting resonators with internal quality factors above one million, Appl

Reference 13

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:42.377742Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 035e29be-a4d8-4271-80fd-6d3ac0f80ad8 · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 14

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:42.112923Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation f9f7171b-66f2-4b14-a596-1727b5c0cc89 · outbound

This paper cites Wenner et al., Surface loss simulations of superconducting coplanar waveguide resonators, Appl.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Wenner et al., Surface loss simulations of superconducting coplanar waveguide resonators, Appl

Reference 15

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:41.855866Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 4a9080fd-0125-4340-b5a6-340ebbe91a45 · outbound

This paper cites Romanenko, R.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Romanenko, R

Reference 16

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:41.685514Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation a9859655-6ee5-4bc7-aa35-f760fcb93c4d · outbound

This paper cites Serniak, M.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Serniak, M

Reference 17

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:41.457151Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 6ae7fdc6-9faf-4948-9d03-09aeca428d67 · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 18

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:41.253419Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 8464de29-e959-4f2b-9306-d460ed9e4a2f · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 19

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:41.057289Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation bdd15ec0-5f5a-4c7e-a5b9-92ce57c07f8d · outbound

This paper cites Barkov, A.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Barkov, A

Reference 20

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:40.883122Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 88913f57-3f1e-486f-91f0-0b671543b828 · outbound

This paper cites Barkov, A.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Barkov, A

Reference 21

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:40.730950Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 44adcff9-35dd-46b2-9011-c739de6b215a · outbound

This paper cites Romanenko, F.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Romanenko, F

Reference 22

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:40.537688Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 69f8dab3-891f-4257-ba2c-d206df8a3d57 · outbound

This paper cites Trenikhina, A.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Trenikhina, A

Reference 23

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:40.277919Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation ff69ea09-3540-4c07-a6a3-7f6c4ac833ba · outbound

This paper cites Schober and H.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Schober and H

Reference 24

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:40.056477Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation be98cee6-81ff-45f1-876f-8b0f8e96f469 · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 25

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:39.812020Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation f44bbe62-1e41-4463-a56f-214bc99e34d0 · outbound

This paper cites Hauck, Ordering of hydrogen in niobium hydride phases, Acta Crystallogr.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Hauck, Ordering of hydrogen in niobium hydride phases, Acta Crystallogr

Reference 26

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:39.562955Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 11cfc1dd-ff8d-4351-8178-b33486d52c42 · outbound

This paper cites Makenas and H.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Makenas and H

Reference 27

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:39.229219Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 33a92b40-a43e-4c15-bb5d-f54a53908b08 · outbound

This paper cites Isagawa, Hydrogen absorption and its effect on low‐temperature electric properties of niobium, J.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Isagawa, Hydrogen absorption and its effect on low‐temperature electric properties of niobium, J

Reference 28

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:39.001134Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation e1d6a682-824a-4c89-b6e8-afe3a30342ef · outbound

This paper cites Q Disease.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Q Disease

Reference 29

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:38.761722Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 614103da-b3fe-4e20-8993-d0779fef6c2c · outbound

This paper cites Nersisyan et al., Manufacturing Low Dissipation Superconducting Quantum Processors, in 2019 IEEE International Electron Devices Meeting (IEDM) (2019), p.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Nersisyan et al., Manufacturing Low Dissipation Superconducting Quantum Processors, in 2019 IEEE International Electron Devices Meeting (IEDM) (2019), p

Reference 30

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:38.555960Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 19f758b1-e758-457b-89b4-91cd0bb0aef7 · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 31

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:38.309049Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 0253276c-4b85-4257-a42d-f5ef2ede8313 · outbound

This paper cites Riffaud, M.-C.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Riffaud, M.-C

Reference 32

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:38.048364Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 461fc2df-eb29-4e8d-aed5-040d1f7a1aff · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 33

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:37.680715Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation c457d744-1ec7-4398-a081-b0a3c6f72976 · outbound

This paper cites Melnychuk, A.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Melnychuk, A

Reference 34

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:37.429070Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation b27a0904-ad12-43cc-98ca-0a8c58ca5144 · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 35

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:37.143739Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 4aec6adc-2078-415e-8273-aee33d20b76a · outbound

This paper cites Higuchi, K.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Higuchi, K

Reference 36

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:36.892619Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 680e99e9-5f6d-4eb3-8886-a77be4474ca4 · outbound

This paper cites Faber and H.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Faber and H

Reference 37

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:36.668923Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 98bac093-3b07-4fb0-89e0-6852d4fcef12 · outbound

This paper cites Higuchi, G.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Higuchi, G

Reference 38

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:36.455599Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 1f8486f1-26b1-40e7-900c-7795a6c67be2 · outbound

This paper cites Balachandran, A.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Balachandran, A

Reference 39

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:36.209250Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 1507e145-5c18-44b1-ad24-e1147fdf2921 · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 40

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:35.995772Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 0b989d12-a159-4595-95b3-617aa881cd30 · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 41

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:35.708602Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 76bc3e53-7da6-4938-a4d4-07c6b33a763e · outbound

This paper cites Visentin, M.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Visentin, M

Reference 42

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:35.375263Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 37103526-2007-40dd-9cca-d9051513c5d0 · outbound

This paper cites Pfeiffer and H.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Pfeiffer and H

Reference 43

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:35.144982Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 53c4172d-8bbe-4fb1-a7d9-8c49058cb978 · outbound

This paper cites Cox, Hydrogen trapping by oxygen and dislocations in zirconium alloys, J.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Cox, Hydrogen trapping by oxygen and dislocations in zirconium alloys, J

Reference 44

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:34.896157Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 2c385cd1-57d6-46c2-aa41-ce88b694b0e0 · outbound

This paper cites Bafia, A.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Bafia, A

Reference 45

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:34.587858Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 79801894-bdcd-4c73-a2e6-f134045cc3ff · outbound

This paper cites Padamsee, The science and technology of superconducting cavities for accelerators, Supercond.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Padamsee, The science and technology of superconducting cavities for accelerators, Supercond

Reference 46

Resolution: verified fuzzy; raw_fallback, observed 2026-08-05T20:18:34.341752Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 8dc61f0e-7a9c-4b57-a547-6d7b348d9c7d · outbound

This paper cites an unresolved cited work.

Discovery of Niobium Hydride Precipitates in Superconducting Qubits Unresolved cited work

Reference 47

Resolution: unresolved; raw_fallback, observed 2026-08-05T20:18:34.122337Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Pith citing papers

Observation c2600d98-eec3-4435-afa9-04260426dd1e · inbound

Coulomb blockade in microscopic material defects as a source of decoherence and noise in solid-state quantum circuits cites this paper.

Coulomb blockade in microscopic material defects as a source of decoherence and noise in solid-state quantum circuits Discovery of Niobium Hydride Precipitates in Superconducting Qubits

Reference 54

Resolution: verified exact; local_arxiv, observed 2026-08-01T23:53:28.719265Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.