{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:SZVQAXQ5B5NOFYED6L77KFBE6D","short_pith_number":"pith:SZVQAXQ5","canonical_record":{"source":{"id":"1506.03882","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-12T01:01:23Z","cross_cats_sorted":[],"title_canon_sha256":"83534fca4651fb04656a1cd54ff8bf8cd64a8ac0aea384c334c7df57b94f7db1","abstract_canon_sha256":"ee5f3009f6fcb23c59f39bffa777fe32fce4716253c4b7a639c34cc5eb859bcb"},"schema_version":"1.0"},"canonical_sha256":"966b005e1d0f5ae2e083f2fff51424f0e5b9b57a1262ef0564db52b96ab464a2","source":{"kind":"arxiv","id":"1506.03882","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.03882","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"arxiv_version","alias_value":"1506.03882v1","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.03882","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"pith_short_12","alias_value":"SZVQAXQ5B5NO","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SZVQAXQ5B5NOFYED","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SZVQAXQ5","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:SZVQAXQ5B5NOFYED6L77KFBE6D","target":"record","payload":{"canonical_record":{"source":{"id":"1506.03882","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-12T01:01:23Z","cross_cats_sorted":[],"title_canon_sha256":"83534fca4651fb04656a1cd54ff8bf8cd64a8ac0aea384c334c7df57b94f7db1","abstract_canon_sha256":"ee5f3009f6fcb23c59f39bffa777fe32fce4716253c4b7a639c34cc5eb859bcb"},"schema_version":"1.0"},"canonical_sha256":"966b005e1d0f5ae2e083f2fff51424f0e5b9b57a1262ef0564db52b96ab464a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:47.001135Z","signature_b64":"WXumbdR6TC60JvLnRqJx80zvXdatUHaubh3KnnLaitjiae1LC7YzOXGhAhapjnN+F6gZ8iBb4RmiM/OYgb1gDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"966b005e1d0f5ae2e083f2fff51424f0e5b9b57a1262ef0564db52b96ab464a2","last_reissued_at":"2026-05-18T01:35:47.000534Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:47.000534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.03882","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":"2026-05-18T01:35:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5UbnOdzQp49eHi4HE7I3J2XixtwDnEPAKMcNCq/n/8EhcG4GhBJ410yqopSntN8TNEJaJzpQvy02qvkQXK67Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:03:27.315593Z"},"content_sha256":"08cc96f32ac1ad4636685a1c8460ffbcd19b8114901dbdf5657b7d40c7a127f3","schema_version":"1.0","event_id":"sha256:08cc96f32ac1ad4636685a1c8460ffbcd19b8114901dbdf5657b7d40c7a127f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:SZVQAXQ5B5NOFYED6L77KFBE6D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Revisiting the Dynamical Case for a Massive Black Hole in IC10 X-1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Dimitris M. Christodoulou, Silas G. T. Laycock, Thomas J. Maccarone","submitted_at":"2015-06-12T01:01:23Z","abstract_excerpt":"The relative phasing of the X-ray eclipse ephemeris and optical radial velocity (RV) curve for the X-ray binary IC10 X-1 suggests the He[$\\lambda$4686] emission-line originates in a shadowed sector of the stellar wind that avoids ionization by X-rays from the compact object. The line attains maximum blueshift when the wind is directly toward us at mid X-ray eclipse, as is also seen in Cygnus X-3. If the RV curve is unrelated to stellar motion, evidence for a massive black hole evaporates because the mass function of the binary is unknown. The reported X-ray luminosity, spectrum, slow QPO, and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.03882","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":"2026-05-18T01:35:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jTtxZBuK0emXEkYczeEq4zu7nCtjbEc47aE7npS7QhSKGf23/zY5qv7KsEzNhqT91YZrxbrqaWe4/aYlDbeNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:03:27.315940Z"},"content_sha256":"784a835d652d55e7f602a1fe1822fcfdf94c4b7c81122d9e33599e583d169642","schema_version":"1.0","event_id":"sha256:784a835d652d55e7f602a1fe1822fcfdf94c4b7c81122d9e33599e583d169642"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SZVQAXQ5B5NOFYED6L77KFBE6D/bundle.json","state_url":"https://pith.science/pith/SZVQAXQ5B5NOFYED6L77KFBE6D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SZVQAXQ5B5NOFYED6L77KFBE6D/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":"2026-05-28T05:03:27Z","links":{"resolver":"https://pith.science/pith/SZVQAXQ5B5NOFYED6L77KFBE6D","bundle":"https://pith.science/pith/SZVQAXQ5B5NOFYED6L77KFBE6D/bundle.json","state":"https://pith.science/pith/SZVQAXQ5B5NOFYED6L77KFBE6D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SZVQAXQ5B5NOFYED6L77KFBE6D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SZVQAXQ5B5NOFYED6L77KFBE6D","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":"ee5f3009f6fcb23c59f39bffa777fe32fce4716253c4b7a639c34cc5eb859bcb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-12T01:01:23Z","title_canon_sha256":"83534fca4651fb04656a1cd54ff8bf8cd64a8ac0aea384c334c7df57b94f7db1"},"schema_version":"1.0","source":{"id":"1506.03882","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.03882","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"arxiv_version","alias_value":"1506.03882v1","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.03882","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"pith_short_12","alias_value":"SZVQAXQ5B5NO","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SZVQAXQ5B5NOFYED","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SZVQAXQ5","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:784a835d652d55e7f602a1fe1822fcfdf94c4b7c81122d9e33599e583d169642","target":"graph","created_at":"2026-05-18T01:35:47Z","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":"The relative phasing of the X-ray eclipse ephemeris and optical radial velocity (RV) curve for the X-ray binary IC10 X-1 suggests the He[$\\lambda$4686] emission-line originates in a shadowed sector of the stellar wind that avoids ionization by X-rays from the compact object. The line attains maximum blueshift when the wind is directly toward us at mid X-ray eclipse, as is also seen in Cygnus X-3. If the RV curve is unrelated to stellar motion, evidence for a massive black hole evaporates because the mass function of the binary is unknown. The reported X-ray luminosity, spectrum, slow QPO, and ","authors_text":"Dimitris M. Christodoulou, Silas G. T. Laycock, Thomas J. Maccarone","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-12T01:01:23Z","title":"Revisiting the Dynamical Case for a Massive Black Hole in IC10 X-1"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.03882","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":"sha256:08cc96f32ac1ad4636685a1c8460ffbcd19b8114901dbdf5657b7d40c7a127f3","target":"record","created_at":"2026-05-18T01:35:47Z","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":"ee5f3009f6fcb23c59f39bffa777fe32fce4716253c4b7a639c34cc5eb859bcb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-12T01:01:23Z","title_canon_sha256":"83534fca4651fb04656a1cd54ff8bf8cd64a8ac0aea384c334c7df57b94f7db1"},"schema_version":"1.0","source":{"id":"1506.03882","kind":"arxiv","version":1}},"canonical_sha256":"966b005e1d0f5ae2e083f2fff51424f0e5b9b57a1262ef0564db52b96ab464a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"966b005e1d0f5ae2e083f2fff51424f0e5b9b57a1262ef0564db52b96ab464a2","first_computed_at":"2026-05-18T01:35:47.000534Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:47.000534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WXumbdR6TC60JvLnRqJx80zvXdatUHaubh3KnnLaitjiae1LC7YzOXGhAhapjnN+F6gZ8iBb4RmiM/OYgb1gDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:47.001135Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.03882","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:08cc96f32ac1ad4636685a1c8460ffbcd19b8114901dbdf5657b7d40c7a127f3","sha256:784a835d652d55e7f602a1fe1822fcfdf94c4b7c81122d9e33599e583d169642"],"state_sha256":"34e9f19e47270c49fbf298cea6615c8a9e44fb6877b02447dc3a05cf2ba8279a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I0gIW564TYFi2pBjvxzjgilWwucwWDDnoP7bBRe4F+2YG9fx3rltI7bjzgTeVf8j3giQYPMqwn+o3y87zTn/CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:03:27.317887Z","bundle_sha256":"6f18ecf0f787fcd7f61d1b83b31860f43badaaa3e1c4046c920253458666285c"}}