{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:HSLKG7QA2A25VYBQXVHJ3YTIFI","short_pith_number":"pith:HSLKG7QA","canonical_record":{"source":{"id":"0801.4209","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"math.NA","submitted_at":"2008-01-28T08:41:54Z","cross_cats_sorted":["cs.NA","math.CV"],"title_canon_sha256":"6702dc04de2fa906fbb785e1bb045a6a68d9ce8dae396c98d5592fdb9b27a702","abstract_canon_sha256":"f801723b5de90b682ed11c285b13f87738adcbefa36cc45ea42229f8c344a2d9"},"schema_version":"1.0"},"canonical_sha256":"3c96a37e00d035dae030bd4e9de2682a33ae40641bd154683693613ad5655b12","source":{"kind":"arxiv","id":"0801.4209","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0801.4209","created_at":"2026-06-03T22:06:04Z"},{"alias_kind":"arxiv_version","alias_value":"0801.4209v1","created_at":"2026-06-03T22:06:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.4209","created_at":"2026-06-03T22:06:04Z"},{"alias_kind":"pith_short_12","alias_value":"HSLKG7QA2A25","created_at":"2026-06-03T22:06:04Z"},{"alias_kind":"pith_short_16","alias_value":"HSLKG7QA2A25VYBQ","created_at":"2026-06-03T22:06:04Z"},{"alias_kind":"pith_short_8","alias_value":"HSLKG7QA","created_at":"2026-06-03T22:06:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:HSLKG7QA2A25VYBQXVHJ3YTIFI","target":"record","payload":{"canonical_record":{"source":{"id":"0801.4209","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"math.NA","submitted_at":"2008-01-28T08:41:54Z","cross_cats_sorted":["cs.NA","math.CV"],"title_canon_sha256":"6702dc04de2fa906fbb785e1bb045a6a68d9ce8dae396c98d5592fdb9b27a702","abstract_canon_sha256":"f801723b5de90b682ed11c285b13f87738adcbefa36cc45ea42229f8c344a2d9"},"schema_version":"1.0"},"canonical_sha256":"3c96a37e00d035dae030bd4e9de2682a33ae40641bd154683693613ad5655b12","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-03T22:06:04.267103Z","signature_b64":"qrikmRXpDT7IV5fz6+N3B6GMsrt8WO0clWH/6tCorGYTL7kCxy1vzNyF3NVQSu2j4cxz3N0Zeh2sKbgKhxeYAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c96a37e00d035dae030bd4e9de2682a33ae40641bd154683693613ad5655b12","last_reissued_at":"2026-06-03T22:06:04.266580Z","signature_status":"signed_v1","first_computed_at":"2026-06-03T22:06:04.266580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0801.4209","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-03T22:06:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F1HXJwUDDGIMM+xyPWcpvK/9Il4rnLHSqf2AfuCw9HR2q7FfwginZGd+IymFghdxuhJ4z1y1WlVE/Q2Z1jTVAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T11:32:24.995072Z"},"content_sha256":"3e019decda056d424d1a701645589d3a947e8809ecf17e782136bf1ea645b834","schema_version":"1.0","event_id":"sha256:3e019decda056d424d1a701645589d3a947e8809ecf17e782136bf1ea645b834"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:HSLKG7QA2A25VYBQXVHJ3YTIFI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experiments with moduli of quadrilaterals II","license":"","headline":"","cross_cats":["cs.NA","math.CV"],"primary_cat":"math.NA","authors_text":"Antti Rasila, Matti Vuorinen","submitted_at":"2008-01-28T08:41:54Z","abstract_excerpt":"The numerical performance of the AFEM method of K. Samuelsson is studied in the computation of moduli of quadrilaterals."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.4209","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0801.4209/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-03T22:06:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pKcGInuEf/jf/Dwxf3Pgd3edFLFZHJJs3MFaOcOijI7nssTBwurNWBG9tb0qr8gddTC5ksXEzZEOJLfBxwFmAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T11:32:24.995463Z"},"content_sha256":"6a1a709f59a940a77aecbf74ea7821b4513dcd60b417c97131322b27d36e8406","schema_version":"1.0","event_id":"sha256:6a1a709f59a940a77aecbf74ea7821b4513dcd60b417c97131322b27d36e8406"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HSLKG7QA2A25VYBQXVHJ3YTIFI/bundle.json","state_url":"https://pith.science/pith/HSLKG7QA2A25VYBQXVHJ3YTIFI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HSLKG7QA2A25VYBQXVHJ3YTIFI/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-21T11:32:24Z","links":{"resolver":"https://pith.science/pith/HSLKG7QA2A25VYBQXVHJ3YTIFI","bundle":"https://pith.science/pith/HSLKG7QA2A25VYBQXVHJ3YTIFI/bundle.json","state":"https://pith.science/pith/HSLKG7QA2A25VYBQXVHJ3YTIFI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HSLKG7QA2A25VYBQXVHJ3YTIFI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:HSLKG7QA2A25VYBQXVHJ3YTIFI","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f801723b5de90b682ed11c285b13f87738adcbefa36cc45ea42229f8c344a2d9","cross_cats_sorted":["cs.NA","math.CV"],"license":"","primary_cat":"math.NA","submitted_at":"2008-01-28T08:41:54Z","title_canon_sha256":"6702dc04de2fa906fbb785e1bb045a6a68d9ce8dae396c98d5592fdb9b27a702"},"schema_version":"1.0","source":{"id":"0801.4209","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0801.4209","created_at":"2026-06-03T22:06:04Z"},{"alias_kind":"arxiv_version","alias_value":"0801.4209v1","created_at":"2026-06-03T22:06:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.4209","created_at":"2026-06-03T22:06:04Z"},{"alias_kind":"pith_short_12","alias_value":"HSLKG7QA2A25","created_at":"2026-06-03T22:06:04Z"},{"alias_kind":"pith_short_16","alias_value":"HSLKG7QA2A25VYBQ","created_at":"2026-06-03T22:06:04Z"},{"alias_kind":"pith_short_8","alias_value":"HSLKG7QA","created_at":"2026-06-03T22:06:04Z"}],"graph_snapshots":[{"event_id":"sha256:6a1a709f59a940a77aecbf74ea7821b4513dcd60b417c97131322b27d36e8406","target":"graph","created_at":"2026-06-03T22:06:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0801.4209/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The numerical performance of the AFEM method of K. Samuelsson is studied in the computation of moduli of quadrilaterals.","authors_text":"Antti Rasila, Matti Vuorinen","cross_cats":["cs.NA","math.CV"],"headline":"","license":"","primary_cat":"math.NA","submitted_at":"2008-01-28T08:41:54Z","title":"Experiments with moduli of quadrilaterals II"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.4209","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:3e019decda056d424d1a701645589d3a947e8809ecf17e782136bf1ea645b834","target":"record","created_at":"2026-06-03T22:06:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f801723b5de90b682ed11c285b13f87738adcbefa36cc45ea42229f8c344a2d9","cross_cats_sorted":["cs.NA","math.CV"],"license":"","primary_cat":"math.NA","submitted_at":"2008-01-28T08:41:54Z","title_canon_sha256":"6702dc04de2fa906fbb785e1bb045a6a68d9ce8dae396c98d5592fdb9b27a702"},"schema_version":"1.0","source":{"id":"0801.4209","kind":"arxiv","version":1}},"canonical_sha256":"3c96a37e00d035dae030bd4e9de2682a33ae40641bd154683693613ad5655b12","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3c96a37e00d035dae030bd4e9de2682a33ae40641bd154683693613ad5655b12","first_computed_at":"2026-06-03T22:06:04.266580Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-03T22:06:04.266580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qrikmRXpDT7IV5fz6+N3B6GMsrt8WO0clWH/6tCorGYTL7kCxy1vzNyF3NVQSu2j4cxz3N0Zeh2sKbgKhxeYAw==","signature_status":"signed_v1","signed_at":"2026-06-03T22:06:04.267103Z","signed_message":"canonical_sha256_bytes"},"source_id":"0801.4209","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e019decda056d424d1a701645589d3a947e8809ecf17e782136bf1ea645b834","sha256:6a1a709f59a940a77aecbf74ea7821b4513dcd60b417c97131322b27d36e8406"],"state_sha256":"3b41789c7fbe8d0785716677a443d3503277177158923118f69b5f2765e4ec1f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jKTLHg3rJG9bT94/GxyuLfhsExDBhANKoIJMEkWfX0//m1CHQz3xCCHj8dTicSO7IDV/2iAbjaLnb1j2H8s+Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T11:32:24.997568Z","bundle_sha256":"4112dfa7ce967cd8b2ce6aac1964f49544972cc7748e9c82dac55ca32f72c012"}}