{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:U6B3TDLY53QT64JFS7KE6LL7DX","short_pith_number":"pith:U6B3TDLY","canonical_record":{"source":{"id":"1009.5478","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-28T07:38:05Z","cross_cats_sorted":[],"title_canon_sha256":"8aa7780215ec3b599f7611221b1c94a48d10eb0b48f6bb3e9bdcd1465e8cb3a1","abstract_canon_sha256":"9a6b90368a78ee960a02cdd63f12bc7cd87a0ae0c8cce327ab1af4e365f9e62e"},"schema_version":"1.0"},"canonical_sha256":"a783b98d78eee13f712597d44f2d7f1dedc5f25a9c4b50ae9f1aa9dfefaa961f","source":{"kind":"arxiv","id":"1009.5478","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5478","created_at":"2026-05-18T02:05:16Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5478v1","created_at":"2026-05-18T02:05:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5478","created_at":"2026-05-18T02:05:16Z"},{"alias_kind":"pith_short_12","alias_value":"U6B3TDLY53QT","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"U6B3TDLY53QT64JF","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"U6B3TDLY","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:U6B3TDLY53QT64JFS7KE6LL7DX","target":"record","payload":{"canonical_record":{"source":{"id":"1009.5478","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-28T07:38:05Z","cross_cats_sorted":[],"title_canon_sha256":"8aa7780215ec3b599f7611221b1c94a48d10eb0b48f6bb3e9bdcd1465e8cb3a1","abstract_canon_sha256":"9a6b90368a78ee960a02cdd63f12bc7cd87a0ae0c8cce327ab1af4e365f9e62e"},"schema_version":"1.0"},"canonical_sha256":"a783b98d78eee13f712597d44f2d7f1dedc5f25a9c4b50ae9f1aa9dfefaa961f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:16.355913Z","signature_b64":"woJ8wyEGBvYnA+OjYjiQzk3uQ8aOZjlOb7oPHJ8LkXQ1IPMNMBbpIu22whXwXOvJJXw2WEmdjCR+ZVl583r2Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a783b98d78eee13f712597d44f2d7f1dedc5f25a9c4b50ae9f1aa9dfefaa961f","last_reissued_at":"2026-05-18T02:05:16.355058Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:16.355058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.5478","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":"2026-05-18T02:05:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YTEhJh58JI/JfquMcuesoruBppSiEsGhG8KOy/qeNYDTGL2NncncxXLs8+TRNS2MfNr/UoP7tc3DbkJohZUTBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T00:59:37.080845Z"},"content_sha256":"1fd506c867da442cfbc9fb6793a6fae03c3b3df7176c9840522c8484d0dad385","schema_version":"1.0","event_id":"sha256:1fd506c867da442cfbc9fb6793a6fae03c3b3df7176c9840522c8484d0dad385"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:U6B3TDLY53QT64JFS7KE6LL7DX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Orbital periods of cataclysmic variables identified by the SDSS. VIII. A slingshot prominence in SDSS J003941.06+005427.5?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B. T. Gansicke, C. M. Copperwheat, D. Steeghs, John Southworth, T. R. Marsh","submitted_at":"2010-09-28T07:38:05Z","abstract_excerpt":"We present VLT spectroscopy and NTT photometry of the faint cataclysmic binary SDSS J003941.06+005427.5. This object shows triple-peaked H-alpha emission with all three peaks variable in both strength and velocity. We measure an orbital period of 91.395 +/- 0.093 min from the velocity variations of the wings of the H-alpha emission line. Using the GALEX and SDSS photometry of this object, we determine a white dwarf temperature of 15000 K and a very late (>=L2) spectral type for the companion star. These measurements, plus the relatively long orbital period, suggest that SDSS J003941.06+005427."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5478","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":"2026-05-18T02:05:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I/Lts0vOaclgqVE+ZyvNZlFoosCTA6fOSTDulgQdCr2XsThdti8iQYSePR8gyiZ9Nrd8HITqMpiWbUVqM5vPDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T00:59:37.081496Z"},"content_sha256":"622f879105f258e91b91a6584b53708e7d1d158daf2433de4b6c4d7cd9f487a9","schema_version":"1.0","event_id":"sha256:622f879105f258e91b91a6584b53708e7d1d158daf2433de4b6c4d7cd9f487a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U6B3TDLY53QT64JFS7KE6LL7DX/bundle.json","state_url":"https://pith.science/pith/U6B3TDLY53QT64JFS7KE6LL7DX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U6B3TDLY53QT64JFS7KE6LL7DX/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":"2026-06-10T00:59:37Z","links":{"resolver":"https://pith.science/pith/U6B3TDLY53QT64JFS7KE6LL7DX","bundle":"https://pith.science/pith/U6B3TDLY53QT64JFS7KE6LL7DX/bundle.json","state":"https://pith.science/pith/U6B3TDLY53QT64JFS7KE6LL7DX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U6B3TDLY53QT64JFS7KE6LL7DX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:U6B3TDLY53QT64JFS7KE6LL7DX","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":"9a6b90368a78ee960a02cdd63f12bc7cd87a0ae0c8cce327ab1af4e365f9e62e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-28T07:38:05Z","title_canon_sha256":"8aa7780215ec3b599f7611221b1c94a48d10eb0b48f6bb3e9bdcd1465e8cb3a1"},"schema_version":"1.0","source":{"id":"1009.5478","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5478","created_at":"2026-05-18T02:05:16Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5478v1","created_at":"2026-05-18T02:05:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5478","created_at":"2026-05-18T02:05:16Z"},{"alias_kind":"pith_short_12","alias_value":"U6B3TDLY53QT","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"U6B3TDLY53QT64JF","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"U6B3TDLY","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:622f879105f258e91b91a6584b53708e7d1d158daf2433de4b6c4d7cd9f487a9","target":"graph","created_at":"2026-05-18T02:05:16Z","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":"We present VLT spectroscopy and NTT photometry of the faint cataclysmic binary SDSS J003941.06+005427.5. This object shows triple-peaked H-alpha emission with all three peaks variable in both strength and velocity. We measure an orbital period of 91.395 +/- 0.093 min from the velocity variations of the wings of the H-alpha emission line. Using the GALEX and SDSS photometry of this object, we determine a white dwarf temperature of 15000 K and a very late (>=L2) spectral type for the companion star. These measurements, plus the relatively long orbital period, suggest that SDSS J003941.06+005427.","authors_text":"B. T. Gansicke, C. M. Copperwheat, D. Steeghs, John Southworth, T. R. Marsh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-28T07:38:05Z","title":"Orbital periods of cataclysmic variables identified by the SDSS. VIII. A slingshot prominence in SDSS J003941.06+005427.5?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5478","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":"sha256:1fd506c867da442cfbc9fb6793a6fae03c3b3df7176c9840522c8484d0dad385","target":"record","created_at":"2026-05-18T02:05:16Z","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":"9a6b90368a78ee960a02cdd63f12bc7cd87a0ae0c8cce327ab1af4e365f9e62e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-28T07:38:05Z","title_canon_sha256":"8aa7780215ec3b599f7611221b1c94a48d10eb0b48f6bb3e9bdcd1465e8cb3a1"},"schema_version":"1.0","source":{"id":"1009.5478","kind":"arxiv","version":1}},"canonical_sha256":"a783b98d78eee13f712597d44f2d7f1dedc5f25a9c4b50ae9f1aa9dfefaa961f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a783b98d78eee13f712597d44f2d7f1dedc5f25a9c4b50ae9f1aa9dfefaa961f","first_computed_at":"2026-05-18T02:05:16.355058Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:16.355058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"woJ8wyEGBvYnA+OjYjiQzk3uQ8aOZjlOb7oPHJ8LkXQ1IPMNMBbpIu22whXwXOvJJXw2WEmdjCR+ZVl583r2Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:16.355913Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.5478","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1fd506c867da442cfbc9fb6793a6fae03c3b3df7176c9840522c8484d0dad385","sha256:622f879105f258e91b91a6584b53708e7d1d158daf2433de4b6c4d7cd9f487a9"],"state_sha256":"92a955d18ef0dd708891f95048ac80c8e0ea112d29df02a3515661e6f4f2b9be"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jh/qX/SJCbYULxTmJ3WW7pPgK3Ptzc/NuaFFILI7wfhlvr31fT/V9qErof0pLEgEn0QvK1h0hXoWZVfX3j4QCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T00:59:37.085335Z","bundle_sha256":"6c00465443877eeac757ad665b80f14a89ca64e74586b4d0b6c4681ca5f11e77"}}