{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:DHOPFL7DOPAMGWKORBQ5JBHKF6","short_pith_number":"pith:DHOPFL7D","canonical_record":{"source":{"id":"1209.5939","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-26T13:42:50Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"b45c6741dd543dbe1fc8bfc9fd525f9b59e85149f59806fdac97c276921af842","abstract_canon_sha256":"031de0272c5a61d57c3eaf38cef879fd60d7d904dcb3b21da9d8e7f655e1fc34"},"schema_version":"1.0"},"canonical_sha256":"19dcf2afe373c0c3594e8861d484ea2fbf333c2179b56d50aaccb5a7f5dc53e0","source":{"kind":"arxiv","id":"1209.5939","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5939","created_at":"2026-05-18T03:44:45Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5939v1","created_at":"2026-05-18T03:44:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5939","created_at":"2026-05-18T03:44:45Z"},{"alias_kind":"pith_short_12","alias_value":"DHOPFL7DOPAM","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DHOPFL7DOPAMGWKO","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DHOPFL7D","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:DHOPFL7DOPAMGWKORBQ5JBHKF6","target":"record","payload":{"canonical_record":{"source":{"id":"1209.5939","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-26T13:42:50Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"b45c6741dd543dbe1fc8bfc9fd525f9b59e85149f59806fdac97c276921af842","abstract_canon_sha256":"031de0272c5a61d57c3eaf38cef879fd60d7d904dcb3b21da9d8e7f655e1fc34"},"schema_version":"1.0"},"canonical_sha256":"19dcf2afe373c0c3594e8861d484ea2fbf333c2179b56d50aaccb5a7f5dc53e0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:44:45.845267Z","signature_b64":"o281YGUwFDbuGFIeVS6kd/tQGSaoeEoZPTJtpJ5KExVs0Jhios9q7rbfHDvPj2KbpLgFSAdydPmrFClH+KueCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19dcf2afe373c0c3594e8861d484ea2fbf333c2179b56d50aaccb5a7f5dc53e0","last_reissued_at":"2026-05-18T03:44:45.844722Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:44:45.844722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.5939","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":"2026-05-18T03:44:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FGdLYJY7P7Qc4ITpkgm7Rqco/HPLa/lPrJGAn0HAB0sf+mEcPi0spY/ZeFPGBCMVqwbnK8J4mD8Eh+CEHm3fAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T21:57:05.184279Z"},"content_sha256":"63cb3bd36f7f7c542329bea3037690e6ac384501b4c9e519ccf0402d6cb2fe5b","schema_version":"1.0","event_id":"sha256:63cb3bd36f7f7c542329bea3037690e6ac384501b4c9e519ccf0402d6cb2fe5b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:DHOPFL7DOPAMGWKORBQ5JBHKF6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The mass-loss dominated lives of the most massive stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Jorick S. Vink (Armagh Observatory)","submitted_at":"2012-09-26T13:42:50Z","abstract_excerpt":"Utrecht has a long tradition in both spectroscopy and mass-loss studies. Here we present a novel methodology to calibrate mass-loss rates on purely spectroscopic grounds. We utilize this to predict the final fates of massive stars, involving pair-instability and long gamma-ray bursts (GRBs) at low metallicity Z."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5939","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":"2026-05-18T03:44:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IUJr16G3u680ZOV8TbrcRQN7mdm777i8fGLYjvuqd7eOGFVnaRre6w6brsXj1YYjn58BaVtBjxNfyWbuX4yMAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T21:57:05.184647Z"},"content_sha256":"46ab76f2123366af44c01b8fd98df17629d4117d6b4f822ec6df294efbdc1305","schema_version":"1.0","event_id":"sha256:46ab76f2123366af44c01b8fd98df17629d4117d6b4f822ec6df294efbdc1305"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DHOPFL7DOPAMGWKORBQ5JBHKF6/bundle.json","state_url":"https://pith.science/pith/DHOPFL7DOPAMGWKORBQ5JBHKF6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DHOPFL7DOPAMGWKORBQ5JBHKF6/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":"2026-05-19T21:57:05Z","links":{"resolver":"https://pith.science/pith/DHOPFL7DOPAMGWKORBQ5JBHKF6","bundle":"https://pith.science/pith/DHOPFL7DOPAMGWKORBQ5JBHKF6/bundle.json","state":"https://pith.science/pith/DHOPFL7DOPAMGWKORBQ5JBHKF6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DHOPFL7DOPAMGWKORBQ5JBHKF6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:DHOPFL7DOPAMGWKORBQ5JBHKF6","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":"031de0272c5a61d57c3eaf38cef879fd60d7d904dcb3b21da9d8e7f655e1fc34","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-26T13:42:50Z","title_canon_sha256":"b45c6741dd543dbe1fc8bfc9fd525f9b59e85149f59806fdac97c276921af842"},"schema_version":"1.0","source":{"id":"1209.5939","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5939","created_at":"2026-05-18T03:44:45Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5939v1","created_at":"2026-05-18T03:44:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5939","created_at":"2026-05-18T03:44:45Z"},{"alias_kind":"pith_short_12","alias_value":"DHOPFL7DOPAM","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DHOPFL7DOPAMGWKO","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DHOPFL7D","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:46ab76f2123366af44c01b8fd98df17629d4117d6b4f822ec6df294efbdc1305","target":"graph","created_at":"2026-05-18T03:44:45Z","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":"Utrecht has a long tradition in both spectroscopy and mass-loss studies. Here we present a novel methodology to calibrate mass-loss rates on purely spectroscopic grounds. We utilize this to predict the final fates of massive stars, involving pair-instability and long gamma-ray bursts (GRBs) at low metallicity Z.","authors_text":"Jorick S. Vink (Armagh Observatory)","cross_cats":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-26T13:42:50Z","title":"The mass-loss dominated lives of the most massive stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5939","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":"sha256:63cb3bd36f7f7c542329bea3037690e6ac384501b4c9e519ccf0402d6cb2fe5b","target":"record","created_at":"2026-05-18T03:44:45Z","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":"031de0272c5a61d57c3eaf38cef879fd60d7d904dcb3b21da9d8e7f655e1fc34","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-26T13:42:50Z","title_canon_sha256":"b45c6741dd543dbe1fc8bfc9fd525f9b59e85149f59806fdac97c276921af842"},"schema_version":"1.0","source":{"id":"1209.5939","kind":"arxiv","version":1}},"canonical_sha256":"19dcf2afe373c0c3594e8861d484ea2fbf333c2179b56d50aaccb5a7f5dc53e0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19dcf2afe373c0c3594e8861d484ea2fbf333c2179b56d50aaccb5a7f5dc53e0","first_computed_at":"2026-05-18T03:44:45.844722Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:44:45.844722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o281YGUwFDbuGFIeVS6kd/tQGSaoeEoZPTJtpJ5KExVs0Jhios9q7rbfHDvPj2KbpLgFSAdydPmrFClH+KueCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:44:45.845267Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.5939","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63cb3bd36f7f7c542329bea3037690e6ac384501b4c9e519ccf0402d6cb2fe5b","sha256:46ab76f2123366af44c01b8fd98df17629d4117d6b4f822ec6df294efbdc1305"],"state_sha256":"9027aeb41fdf10e1a6be2925ef9e3a8868eeb35eddeaaa7d3e104274d7ed8ccb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WjmPXC4mXSeRBBO/CE9Z1ormYvF4gznnF9EX95D2xBneDj1f0m2X1+7OTDrPIRHgLYf1jX3Foyfcfyt2Kan2CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T21:57:05.186747Z","bundle_sha256":"168a079a05747fef7d2ec3c47f15bba448b710eea4e321abcdab1b9a51b7264f"}}