{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:UXIRFDFGZITB4YQE6RC7GD5XW6","short_pith_number":"pith:UXIRFDFG","canonical_record":{"source":{"id":"1606.02300","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-06-07T20:00:02Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"239042129cb1357c675eff402a35d11be1b0f1e7bd8667625b613e22ce62f663","abstract_canon_sha256":"f678f99aa85dfaaba0853edf82cc0ec749e6a0283eb2bdd97a4c517464ba59e2"},"schema_version":"1.0"},"canonical_sha256":"a5d1128ca6ca261e6204f445f30fb7b7806481e9a03ab780f85deacf890bf8c1","source":{"kind":"arxiv","id":"1606.02300","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.02300","created_at":"2026-05-18T01:05:42Z"},{"alias_kind":"arxiv_version","alias_value":"1606.02300v2","created_at":"2026-05-18T01:05:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.02300","created_at":"2026-05-18T01:05:42Z"},{"alias_kind":"pith_short_12","alias_value":"UXIRFDFGZITB","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UXIRFDFGZITB4YQE","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UXIRFDFG","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:UXIRFDFGZITB4YQE6RC7GD5XW6","target":"record","payload":{"canonical_record":{"source":{"id":"1606.02300","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-06-07T20:00:02Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"239042129cb1357c675eff402a35d11be1b0f1e7bd8667625b613e22ce62f663","abstract_canon_sha256":"f678f99aa85dfaaba0853edf82cc0ec749e6a0283eb2bdd97a4c517464ba59e2"},"schema_version":"1.0"},"canonical_sha256":"a5d1128ca6ca261e6204f445f30fb7b7806481e9a03ab780f85deacf890bf8c1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:05:42.907865Z","signature_b64":"b97+W2e9xJyVNtllSxDivgMhrWH0Lsi6KWUFgv00kuYU6G0kQyq+x9uDD6fsAYhVIzwOetyxp6UdHkhXllmEDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a5d1128ca6ca261e6204f445f30fb7b7806481e9a03ab780f85deacf890bf8c1","last_reissued_at":"2026-05-18T01:05:42.907227Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:05:42.907227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.02300","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:05:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KB4aDWAtPV/Ux7/OMgsSxY0I3jM3l6HvE2FULc+BN+Z0ESXCMMghS6n1jnSMIIRKwBKPYaVbUlZOHAGQyIi6Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T14:47:19.609334Z"},"content_sha256":"d3461ccb387c950ba1b4603a7e6d91fc434c908001ded0f042a7ef0e2d0c800d","schema_version":"1.0","event_id":"sha256:d3461ccb387c950ba1b4603a7e6d91fc434c908001ded0f042a7ef0e2d0c800d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:UXIRFDFGZITB4YQE6RC7GD5XW6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Evolution and Fate of Super-Chandrasekhar Mass White Dwarf Merger Remnants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Daniel Kasen, Eliot Quataert, Josiah Schwab","submitted_at":"2016-06-07T20:00:02Z","abstract_excerpt":"We present stellar evolution calculations of the remnant of the merger of two carbon-oxygen white dwarfs (CO WDs). We focus on cases that have a total mass in excess of the Chandrasekhar mass. After the merger, the remnant manifests as an $L \\sim 3 \\times 10^4 L_\\odot$ source for $\\sim 10^4$ yr. A dusty wind may develop, leading these sources to be self-obscured and to appear similar to extreme AGB stars. Roughly $\\sim 10$ such objects should exist in the Milky Way and M31 at any time. As found in previous work, off-center carbon fusion is ignited within the merger remnant and propagates inwar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.02300","kind":"arxiv","version":2},"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":"2026-05-18T01:05:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9wUK51jx+vhwKebjIFQH7rHtDMU9rrJapDYcpDRsrJQSPY3d8F4prp2sK1sTcPU69+KXh2rS8Y5dSBLM/zRNCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T14:47:19.609700Z"},"content_sha256":"ffd087a5e4d9ae980d7f015916690e503b097ae3cd6b4e18a212f38337860c07","schema_version":"1.0","event_id":"sha256:ffd087a5e4d9ae980d7f015916690e503b097ae3cd6b4e18a212f38337860c07"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UXIRFDFGZITB4YQE6RC7GD5XW6/bundle.json","state_url":"https://pith.science/pith/UXIRFDFGZITB4YQE6RC7GD5XW6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UXIRFDFGZITB4YQE6RC7GD5XW6/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":"2026-06-04T14:47:19Z","links":{"resolver":"https://pith.science/pith/UXIRFDFGZITB4YQE6RC7GD5XW6","bundle":"https://pith.science/pith/UXIRFDFGZITB4YQE6RC7GD5XW6/bundle.json","state":"https://pith.science/pith/UXIRFDFGZITB4YQE6RC7GD5XW6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UXIRFDFGZITB4YQE6RC7GD5XW6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UXIRFDFGZITB4YQE6RC7GD5XW6","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":"f678f99aa85dfaaba0853edf82cc0ec749e6a0283eb2bdd97a4c517464ba59e2","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-06-07T20:00:02Z","title_canon_sha256":"239042129cb1357c675eff402a35d11be1b0f1e7bd8667625b613e22ce62f663"},"schema_version":"1.0","source":{"id":"1606.02300","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.02300","created_at":"2026-05-18T01:05:42Z"},{"alias_kind":"arxiv_version","alias_value":"1606.02300v2","created_at":"2026-05-18T01:05:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.02300","created_at":"2026-05-18T01:05:42Z"},{"alias_kind":"pith_short_12","alias_value":"UXIRFDFGZITB","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UXIRFDFGZITB4YQE","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UXIRFDFG","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:ffd087a5e4d9ae980d7f015916690e503b097ae3cd6b4e18a212f38337860c07","target":"graph","created_at":"2026-05-18T01:05:42Z","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 stellar evolution calculations of the remnant of the merger of two carbon-oxygen white dwarfs (CO WDs). We focus on cases that have a total mass in excess of the Chandrasekhar mass. After the merger, the remnant manifests as an $L \\sim 3 \\times 10^4 L_\\odot$ source for $\\sim 10^4$ yr. A dusty wind may develop, leading these sources to be self-obscured and to appear similar to extreme AGB stars. Roughly $\\sim 10$ such objects should exist in the Milky Way and M31 at any time. As found in previous work, off-center carbon fusion is ignited within the merger remnant and propagates inwar","authors_text":"Daniel Kasen, Eliot Quataert, Josiah Schwab","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-06-07T20:00:02Z","title":"The Evolution and Fate of Super-Chandrasekhar Mass White Dwarf Merger Remnants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.02300","kind":"arxiv","version":2},"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:d3461ccb387c950ba1b4603a7e6d91fc434c908001ded0f042a7ef0e2d0c800d","target":"record","created_at":"2026-05-18T01:05:42Z","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":"f678f99aa85dfaaba0853edf82cc0ec749e6a0283eb2bdd97a4c517464ba59e2","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-06-07T20:00:02Z","title_canon_sha256":"239042129cb1357c675eff402a35d11be1b0f1e7bd8667625b613e22ce62f663"},"schema_version":"1.0","source":{"id":"1606.02300","kind":"arxiv","version":2}},"canonical_sha256":"a5d1128ca6ca261e6204f445f30fb7b7806481e9a03ab780f85deacf890bf8c1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a5d1128ca6ca261e6204f445f30fb7b7806481e9a03ab780f85deacf890bf8c1","first_computed_at":"2026-05-18T01:05:42.907227Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:05:42.907227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b97+W2e9xJyVNtllSxDivgMhrWH0Lsi6KWUFgv00kuYU6G0kQyq+x9uDD6fsAYhVIzwOetyxp6UdHkhXllmEDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:05:42.907865Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.02300","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3461ccb387c950ba1b4603a7e6d91fc434c908001ded0f042a7ef0e2d0c800d","sha256:ffd087a5e4d9ae980d7f015916690e503b097ae3cd6b4e18a212f38337860c07"],"state_sha256":"5c43992080725e0f12e43b8c210aa5cede2baac36eb0b12e63ae7ad2b0b9748f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w6iPnLUGx6wy3gHcfGb3eDpbUAoBgQOGaNeyQmvZOIOYphqKREQ61CSv5hXEffpC7AJCkQ87DJRALAhyNZSUAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T14:47:19.611834Z","bundle_sha256":"c91cfbc3fdb50e86fd45cb707f360b6fe2f0b770ab146b802d7cf6f0c64cadca"}}