{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:5FDBFGUE2SU7Q7JLDCBQNB73DS","short_pith_number":"pith:5FDBFGUE","canonical_record":{"source":{"id":"astro-ph/0401283","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-01-15T01:11:23Z","cross_cats_sorted":[],"title_canon_sha256":"2d2a6401b23affa5f70a00e99891303c0ca31699e06059e89e5db6be2e207446","abstract_canon_sha256":"7d3c06ad03108f29da94f42f2da6833105b6db9356874a7e8a7b9380d7011e98"},"schema_version":"1.0"},"canonical_sha256":"e946129a84d4a9f87d2b18830687fb1c934e56b5195bcb00adf07b594146e4fa","source":{"kind":"arxiv","id":"astro-ph/0401283","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0401283","created_at":"2026-05-18T01:27:16Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0401283v1","created_at":"2026-05-18T01:27:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0401283","created_at":"2026-05-18T01:27:16Z"},{"alias_kind":"pith_short_12","alias_value":"5FDBFGUE2SU7","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"5FDBFGUE2SU7Q7JL","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"5FDBFGUE","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:5FDBFGUE2SU7Q7JLDCBQNB73DS","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0401283","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-01-15T01:11:23Z","cross_cats_sorted":[],"title_canon_sha256":"2d2a6401b23affa5f70a00e99891303c0ca31699e06059e89e5db6be2e207446","abstract_canon_sha256":"7d3c06ad03108f29da94f42f2da6833105b6db9356874a7e8a7b9380d7011e98"},"schema_version":"1.0"},"canonical_sha256":"e946129a84d4a9f87d2b18830687fb1c934e56b5195bcb00adf07b594146e4fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:16.656139Z","signature_b64":"/Phn6fTqjhrLG2QKLFPw6cnKTXzUQ/3IAtU2AJZnELI1OngdBhSHd2MPxexOypjD6YoRXVPwX76D+7K/+I3VBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e946129a84d4a9f87d2b18830687fb1c934e56b5195bcb00adf07b594146e4fa","last_reissued_at":"2026-05-18T01:27:16.655625Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:16.655625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0401283","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":"2026-05-18T01:27:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/J/ah3caIYyTQdpS/62R8eq1cdhIeJINcU5fFy7h4YEu8gzKBtSSv2xfzhx+8aShJc9o1MyG9/2DLRamK1fnCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T02:08:18.821008Z"},"content_sha256":"557537ad436b6b2bd47a957a8625a2abe85dee731ca26f1bef1fc144d4d3f6ae","schema_version":"1.0","event_id":"sha256:557537ad436b6b2bd47a957a8625a2abe85dee731ca26f1bef1fc144d4d3f6ae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:5FDBFGUE2SU7Q7JLDCBQNB73DS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for large superhumps in TX Col and V4742 Sgr","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Alexander Liu, Alon Retter, Marc Bos","submitted_at":"2004-01-15T01:11:23Z","abstract_excerpt":"Since the discovery of the largest positive superhump period in TV Col, we have started a program to search for superhumps in CVs with large orbital periods. Here, we summarize preliminary results of TX Col and V4742 Sgr. TX Col is an intermediate polar with a 5.7-h orbital period. V4742 Sgr is a recent nova with no known periods. CCD unfiltered continuous photometry of these 2 objects was carried out during 56 nights in 2002-3. In TX Col, in addition to the orbital period of 5.7 h, we found peaks at 7.1 h and 5.0 h. These are interpreted as positive and negative superhumps correspondingly, al"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0401283","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":""},"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":"2026-05-18T01:27:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WbMFDuFnlSzvRFOucXUUS5Vn47+Cfgab+wDLFjwTNFojOrCjX1rZmD+4FL7zrKySEsICOW7C9syd5WMRSFpwCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T02:08:18.821353Z"},"content_sha256":"4d48ddb3a4b9741d5a45b00c4793090821ca15d1ea191523436ebe8f2bc49bbe","schema_version":"1.0","event_id":"sha256:4d48ddb3a4b9741d5a45b00c4793090821ca15d1ea191523436ebe8f2bc49bbe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5FDBFGUE2SU7Q7JLDCBQNB73DS/bundle.json","state_url":"https://pith.science/pith/5FDBFGUE2SU7Q7JLDCBQNB73DS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5FDBFGUE2SU7Q7JLDCBQNB73DS/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":"2026-06-27T02:08:18Z","links":{"resolver":"https://pith.science/pith/5FDBFGUE2SU7Q7JLDCBQNB73DS","bundle":"https://pith.science/pith/5FDBFGUE2SU7Q7JLDCBQNB73DS/bundle.json","state":"https://pith.science/pith/5FDBFGUE2SU7Q7JLDCBQNB73DS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5FDBFGUE2SU7Q7JLDCBQNB73DS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:5FDBFGUE2SU7Q7JLDCBQNB73DS","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":"7d3c06ad03108f29da94f42f2da6833105b6db9356874a7e8a7b9380d7011e98","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-01-15T01:11:23Z","title_canon_sha256":"2d2a6401b23affa5f70a00e99891303c0ca31699e06059e89e5db6be2e207446"},"schema_version":"1.0","source":{"id":"astro-ph/0401283","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0401283","created_at":"2026-05-18T01:27:16Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0401283v1","created_at":"2026-05-18T01:27:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0401283","created_at":"2026-05-18T01:27:16Z"},{"alias_kind":"pith_short_12","alias_value":"5FDBFGUE2SU7","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"5FDBFGUE2SU7Q7JL","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"5FDBFGUE","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:4d48ddb3a4b9741d5a45b00c4793090821ca15d1ea191523436ebe8f2bc49bbe","target":"graph","created_at":"2026-05-18T01:27:16Z","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"},"paper":{"abstract_excerpt":"Since the discovery of the largest positive superhump period in TV Col, we have started a program to search for superhumps in CVs with large orbital periods. Here, we summarize preliminary results of TX Col and V4742 Sgr. TX Col is an intermediate polar with a 5.7-h orbital period. V4742 Sgr is a recent nova with no known periods. CCD unfiltered continuous photometry of these 2 objects was carried out during 56 nights in 2002-3. In TX Col, in addition to the orbital period of 5.7 h, we found peaks at 7.1 h and 5.0 h. These are interpreted as positive and negative superhumps correspondingly, al","authors_text":"Alexander Liu, Alon Retter, Marc Bos","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-01-15T01:11:23Z","title":"Evidence for large superhumps in TX Col and V4742 Sgr"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0401283","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":"sha256:557537ad436b6b2bd47a957a8625a2abe85dee731ca26f1bef1fc144d4d3f6ae","target":"record","created_at":"2026-05-18T01:27:16Z","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":"7d3c06ad03108f29da94f42f2da6833105b6db9356874a7e8a7b9380d7011e98","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-01-15T01:11:23Z","title_canon_sha256":"2d2a6401b23affa5f70a00e99891303c0ca31699e06059e89e5db6be2e207446"},"schema_version":"1.0","source":{"id":"astro-ph/0401283","kind":"arxiv","version":1}},"canonical_sha256":"e946129a84d4a9f87d2b18830687fb1c934e56b5195bcb00adf07b594146e4fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e946129a84d4a9f87d2b18830687fb1c934e56b5195bcb00adf07b594146e4fa","first_computed_at":"2026-05-18T01:27:16.655625Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:16.655625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/Phn6fTqjhrLG2QKLFPw6cnKTXzUQ/3IAtU2AJZnELI1OngdBhSHd2MPxexOypjD6YoRXVPwX76D+7K/+I3VBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:16.656139Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0401283","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:557537ad436b6b2bd47a957a8625a2abe85dee731ca26f1bef1fc144d4d3f6ae","sha256:4d48ddb3a4b9741d5a45b00c4793090821ca15d1ea191523436ebe8f2bc49bbe"],"state_sha256":"fef4fbb4cb330e30790f53ba2954e88ff58c5a068628ed8602f5858fcd3fbef0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v05Ss+4dv8Sd3pJe1+huVubA/RGMczl7zH1qFCg9QdVeTkpG/qvodgDXk15Ka3sQYi+LNK0DoxOzWHdXffIpAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T02:08:18.823166Z","bundle_sha256":"68d8528431707a76ce2fea29ee94d4eb06dab6cb4b14805148bf7ee5f8b70f7a"}}