{"as_of":"2026-08-08T17:57:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:b2695e0370e89b30058439c49a4ca17c833ae31bc2eef36827af97be7fd17758","coverage":[{"denominator":0,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":5,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":5,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-08T06:32:00.761636+00:00","state":"measured"},{"denominator":5,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":5,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-07T12:06:51.369704Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"arxiv_reference","source_observed_at":"2026-05-24T02:25:55.524182Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2107.10881","last_updated":"2021-07-22T18:40:14Z","snapshot_observed_at":"2026-07-06T11:31:42.805467Z","submitted_at":"2021-07-22T18:40:14Z","title":"Layer 2 Blockchain Scaling: a Survey","version":1},"cited_work":{"arxiv_id":"2107.10881","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2107.10881","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Layer 2 blockchain scaling: A survey","venue":null,"work_id":"ec701994-0aa4-484b-b28c-9acdfc76861b","year":2021},"citing_paper":{"arxiv_id":"2404.09005","last_updated":"2026-05-04T06:38:56Z","snapshot_observed_at":"2026-07-06T17:59:46.583076Z","submitted_at":"2024-04-13T13:18:40Z","title":"Proof-of-Learning with Incentive Security","version":8},"reference_index":57,"source":"pdf_text","source_observed_at":"2026-05-24T02:24:17.188754Z"},"links":{"cited_paper":"/paper/2107.10881","citing_paper":"/paper/2404.09005"},"observation_digest":"sha256:96bc8f69920f9fd3b7e91d92af653d887e4a3f85b663da8f6ac9368449f8e0a4","observation_id":"942063c0-4299-4fa0-afb8-4b0b0662a478","resolution":{"observed_at":"2026-05-24T02:25:55.526489Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2107.10881","last_updated":"2021-07-22T18:40:14Z","snapshot_observed_at":"2026-07-06T11:31:42.805467Z","submitted_at":"2021-07-22T18:40:14Z","title":"Layer 2 Blockchain Scaling: a Survey","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2107.10881","snapshot_observed_at":"2026-08-07T12:06:51.369704Z","title":"Layer 2 blockchain scaling: a survey,","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2506.00500","last_updated":"2025-05-31T10:39:24Z","snapshot_observed_at":"2026-08-07T12:01:45.779216Z","submitted_at":"2025-05-31T10:39:24Z","title":"Scaling DeFi with ZK Rollups: Design, Deployment, and Evaluation of a Real-Time Proof-of-Concept","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-07T12:06:51.369704Z"},"links":{"cited_paper":"/paper/2107.10881","citing_paper":"/paper/2506.00500"},"observation_digest":"sha256:8849575cf3db4be0d51c37aa0614b56a22acac0e58ae4817186c43b8fcd571e9","observation_id":"2336bd9e-609a-4741-b4cf-0c95d001abe5","resolution":{"observed_at":"2026-08-07T12:06:51.369704Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2107.10881","last_updated":"2021-07-22T18:40:14Z","snapshot_observed_at":"2026-07-06T11:31:42.805467Z","submitted_at":"2021-07-22T18:40:14Z","title":"Layer 2 Blockchain Scaling: a Survey","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2107.10881","snapshot_observed_at":"2026-08-03T13:12:03.702068Z","title":"Layer 2 blockchain scaling: A survey,","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2601.00196","last_updated":"2026-01-01T04:06:44Z","snapshot_observed_at":"2026-08-06T08:41:02.517433Z","submitted_at":"2026-01-01T04:06:44Z","title":"SoK: Stablecoins in Retail Payments","version":1},"reference_index":134,"source":"pdf_text","source_observed_at":"2026-08-03T13:12:03.702068Z"},"links":{"cited_paper":"/paper/2107.10881","citing_paper":"/paper/2601.00196"},"observation_digest":"sha256:4b10a0d10d112248f1b2feb6b1cd2a0c03ccaefb9fd2a7604b856024be00b119","observation_id":"048baea8-e203-45a0-8d74-978dcc5cad4f","resolution":{"observed_at":"2026-08-03T13:12:03.702068Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2107.10881","last_updated":"2021-07-22T18:40:14Z","snapshot_observed_at":"2026-07-06T11:31:42.805467Z","submitted_at":"2021-07-22T18:40:14Z","title":"Layer 2 Blockchain Scaling: a Survey","version":1},"cited_work":{"arxiv_id":"2107.10881","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2107.10881","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Layer 2 blockchain scaling: A survey","venue":null,"work_id":"ec701994-0aa4-484b-b28c-9acdfc76861b","year":2021},"citing_paper":{"arxiv_id":"2601.02949","last_updated":"2026-04-28T08:33:49Z","snapshot_observed_at":"2026-08-03T03:47:33.073323Z","submitted_at":"2026-01-06T11:46:29Z","title":"Exploring Blockchain Interoperability: Frameworks, Use Cases, and Future Challenges","version":2},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-05-16T17:18:33.663235Z"},"links":{"cited_paper":"/paper/2107.10881","citing_paper":"/paper/2601.02949"},"observation_digest":"sha256:a8f5b25bde09d14ef46c4a8939caa828cc246a3363364839e636ecaa0b50dee5","observation_id":"06ae08b1-cfa6-4ca2-99b1-182bcd4d2d36","resolution":{"observed_at":"2026-05-16T17:21:07.930785Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2107.10881","last_updated":"2021-07-22T18:40:14Z","snapshot_observed_at":"2026-07-06T11:31:42.805467Z","submitted_at":"2021-07-22T18:40:14Z","title":"Layer 2 Blockchain Scaling: a Survey","version":1},"cited_work":{"arxiv_id":"2107.10881","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2107.10881","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Layer 2 blockchain scaling: A survey","venue":null,"work_id":"ec701994-0aa4-484b-b28c-9acdfc76861b","year":2021},"citing_paper":{"arxiv_id":"2604.03434","last_updated":"2026-04-03T20:17:49Z","snapshot_observed_at":"2026-07-06T22:52:39.423471Z","submitted_at":"2026-04-03T20:17:49Z","title":"Trustless Provenance Trees: A Game-Theoretic Framework for Operator-Gated Blockchain Registries","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-05-13T18:09:47.209872Z"},"links":{"cited_paper":"/paper/2107.10881","citing_paper":"/paper/2604.03434"},"observation_digest":"sha256:c2fd25c57f7ae97d44fd4da1db184f883b314d4b4707db0976d847875c182981","observation_id":"2b4c90de-22d0-4b7a-8b39-7092710d3427","resolution":{"observed_at":"2026-05-13T18:13:05.632662Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2107.10881/citation-record","integrity":"/paper/2107.10881/integrity","json":"/paper/2107.10881/citation-record.json","paper":"/paper/2107.10881"},"outbound":[],"paper":{"arxiv_id":"2107.10881","last_updated":"2021-07-22T18:40:14Z","latest_version":1,"primary_category":"cs.DC","snapshot_observed_at":"2026-07-06T11:31:42.805467Z","submitted_at":"2021-07-22T18:40:14Z","title":"Layer 2 Blockchain Scaling: a Survey"},"reference_resolution":{"displayed":0,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":0,"verified_exact":0,"verified_fuzzy":0},"total_outbound_references":0},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"thesis":"As of 8 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 5 inbound Pith citation observations for arXiv:2107.10881."}