{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:LGWBNKWCYPCXF44QWODV5QNCXG","short_pith_number":"pith:LGWBNKWC","canonical_record":{"source":{"id":"1902.05061","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-02-13T18:59:59Z","cross_cats_sorted":[],"title_canon_sha256":"7e8b9b3f9b98cf0b73413b97681f268a19f4a483adb757ff689fd30efc029049","abstract_canon_sha256":"509f6ea34a969d3b129aebdb01c728b315920ab4a0455482d87574ea1efe968b"},"schema_version":"1.0"},"canonical_sha256":"59ac16aac2c3c572f390b3875ec1a2b9a63cfa3228f8367b52df24b0d6616037","source":{"kind":"arxiv","id":"1902.05061","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.05061","created_at":"2026-05-17T23:41:12Z"},{"alias_kind":"arxiv_version","alias_value":"1902.05061v2","created_at":"2026-05-17T23:41:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.05061","created_at":"2026-05-17T23:41:12Z"},{"alias_kind":"pith_short_12","alias_value":"LGWBNKWCYPCX","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LGWBNKWCYPCXF44Q","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LGWBNKWC","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:LGWBNKWCYPCXF44QWODV5QNCXG","target":"record","payload":{"canonical_record":{"source":{"id":"1902.05061","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-02-13T18:59:59Z","cross_cats_sorted":[],"title_canon_sha256":"7e8b9b3f9b98cf0b73413b97681f268a19f4a483adb757ff689fd30efc029049","abstract_canon_sha256":"509f6ea34a969d3b129aebdb01c728b315920ab4a0455482d87574ea1efe968b"},"schema_version":"1.0"},"canonical_sha256":"59ac16aac2c3c572f390b3875ec1a2b9a63cfa3228f8367b52df24b0d6616037","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:12.061270Z","signature_b64":"A5L3fZEWk0mt2LyYC2PP+7LUn0rJ67Cuch1ukh/7Hr5aZFjTMMINfdrrQxv6C1e9ENbKuRiv8wJXOvXQG7auBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"59ac16aac2c3c572f390b3875ec1a2b9a63cfa3228f8367b52df24b0d6616037","last_reissued_at":"2026-05-17T23:41:12.060708Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:12.060708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.05061","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":"2026-05-17T23:41:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mu4aS54/ndgjvAs51T9nzCuTMyFvRZaBDWZ226c58JGJUHz9/fVrWYx7ksY7lSI37lOULi0Hi5fpLt7eku/IDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:11:19.159948Z"},"content_sha256":"295f02264478212e2d4a60190c329ea971c87322431c4a109497a2b2903f5fb1","schema_version":"1.0","event_id":"sha256:295f02264478212e2d4a60190c329ea971c87322431c4a109497a2b2903f5fb1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:LGWBNKWCYPCXF44QWODV5QNCXG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Partly burnt runaway stellar remnants from peculiar thermonuclear supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"(10) INAF - Osservatorio Astronomico di Padova, (11) Michigan State University), (2) University of Warwick, (3) Universitaet Kiel, (4) Boston University, 5), (5) University of North Carolina - Chapel Hill, (6) University of California Berkeley, (7) Universiy of Alabama, 8), (8) European Southern Observatory, (9) Universitaet Potsdam, A. F. Pala (2, B. T. Gaensicke (2), D. Koester (3), D. M. Townsley (7), I. Pelisoli (9), J. J. Hermes (4, J. S. Reding (5), J. Strader (11) ((1) Universitaet Erlangen-Nuernberg, K. J. Shen (6), M. A. Hollands (2), N. P. Gentile Fusillo (2), O. F. Toloza (2), R. Raddi (1), S. Geier (9), U. Heber (1), U. Munari (10)","submitted_at":"2019-02-13T18:59:59Z","abstract_excerpt":"We report the discovery of three stars that, along with the prototype LP40-365, form a distinct class of chemically peculiar runaway stars that are the survivors of thermonuclear explosions. Spectroscopy of the four confirmed LP 40-365 stars finds ONe-dominated atmospheres enriched with remarkably similar amounts of nuclear ashes of partial O- and Si-burning. Kinematic evidence is consistent with ejection from a binary supernova progenitor; at least two stars have rest-frame velocities indicating they are unbound to the Galaxy. With masses and radii ranging between 0.20-0.28 Msun and 0.16-0.60"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.05061","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":"2026-05-17T23:41:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OBbw+dEyuyyslrEKA6khnABolomDMRcV9XFeYts6X+j+5RA3pG/jFFmNnWAAJwylTrxW6VO3VlySXKzQNtnhBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:11:19.160408Z"},"content_sha256":"d660ea4ece0517b29e2ac678225d350a1d18b1d0e4d4f5877b9a0573e0ad483d","schema_version":"1.0","event_id":"sha256:d660ea4ece0517b29e2ac678225d350a1d18b1d0e4d4f5877b9a0573e0ad483d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LGWBNKWCYPCXF44QWODV5QNCXG/bundle.json","state_url":"https://pith.science/pith/LGWBNKWCYPCXF44QWODV5QNCXG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LGWBNKWCYPCXF44QWODV5QNCXG/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":"2026-05-27T04:11:19Z","links":{"resolver":"https://pith.science/pith/LGWBNKWCYPCXF44QWODV5QNCXG","bundle":"https://pith.science/pith/LGWBNKWCYPCXF44QWODV5QNCXG/bundle.json","state":"https://pith.science/pith/LGWBNKWCYPCXF44QWODV5QNCXG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LGWBNKWCYPCXF44QWODV5QNCXG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:LGWBNKWCYPCXF44QWODV5QNCXG","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":"509f6ea34a969d3b129aebdb01c728b315920ab4a0455482d87574ea1efe968b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-02-13T18:59:59Z","title_canon_sha256":"7e8b9b3f9b98cf0b73413b97681f268a19f4a483adb757ff689fd30efc029049"},"schema_version":"1.0","source":{"id":"1902.05061","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.05061","created_at":"2026-05-17T23:41:12Z"},{"alias_kind":"arxiv_version","alias_value":"1902.05061v2","created_at":"2026-05-17T23:41:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.05061","created_at":"2026-05-17T23:41:12Z"},{"alias_kind":"pith_short_12","alias_value":"LGWBNKWCYPCX","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LGWBNKWCYPCXF44Q","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LGWBNKWC","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:d660ea4ece0517b29e2ac678225d350a1d18b1d0e4d4f5877b9a0573e0ad483d","target":"graph","created_at":"2026-05-17T23:41:12Z","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 report the discovery of three stars that, along with the prototype LP40-365, form a distinct class of chemically peculiar runaway stars that are the survivors of thermonuclear explosions. Spectroscopy of the four confirmed LP 40-365 stars finds ONe-dominated atmospheres enriched with remarkably similar amounts of nuclear ashes of partial O- and Si-burning. Kinematic evidence is consistent with ejection from a binary supernova progenitor; at least two stars have rest-frame velocities indicating they are unbound to the Galaxy. With masses and radii ranging between 0.20-0.28 Msun and 0.16-0.60","authors_text":"(10) INAF - Osservatorio Astronomico di Padova, (11) Michigan State University), (2) University of Warwick, (3) Universitaet Kiel, (4) Boston University, 5), (5) University of North Carolina - Chapel Hill, (6) University of California Berkeley, (7) Universiy of Alabama, 8), (8) European Southern Observatory, (9) Universitaet Potsdam, A. F. Pala (2, B. T. Gaensicke (2), D. Koester (3), D. M. Townsley (7), I. Pelisoli (9), J. J. Hermes (4, J. S. Reding (5), J. Strader (11) ((1) Universitaet Erlangen-Nuernberg, K. J. Shen (6), M. A. Hollands (2), N. P. Gentile Fusillo (2), O. F. Toloza (2), R. Raddi (1), S. Geier (9), U. Heber (1), U. Munari (10)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-02-13T18:59:59Z","title":"Partly burnt runaway stellar remnants from peculiar thermonuclear supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.05061","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":"sha256:295f02264478212e2d4a60190c329ea971c87322431c4a109497a2b2903f5fb1","target":"record","created_at":"2026-05-17T23:41:12Z","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":"509f6ea34a969d3b129aebdb01c728b315920ab4a0455482d87574ea1efe968b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-02-13T18:59:59Z","title_canon_sha256":"7e8b9b3f9b98cf0b73413b97681f268a19f4a483adb757ff689fd30efc029049"},"schema_version":"1.0","source":{"id":"1902.05061","kind":"arxiv","version":2}},"canonical_sha256":"59ac16aac2c3c572f390b3875ec1a2b9a63cfa3228f8367b52df24b0d6616037","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"59ac16aac2c3c572f390b3875ec1a2b9a63cfa3228f8367b52df24b0d6616037","first_computed_at":"2026-05-17T23:41:12.060708Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:12.060708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A5L3fZEWk0mt2LyYC2PP+7LUn0rJ67Cuch1ukh/7Hr5aZFjTMMINfdrrQxv6C1e9ENbKuRiv8wJXOvXQG7auBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:12.061270Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.05061","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:295f02264478212e2d4a60190c329ea971c87322431c4a109497a2b2903f5fb1","sha256:d660ea4ece0517b29e2ac678225d350a1d18b1d0e4d4f5877b9a0573e0ad483d"],"state_sha256":"3581b0eba575e601e098994f3df469ef3bc754f0c847edce21f5d93c5e384f76"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mZ26rr/1opxQw+jGDbARqSnXq4oK8DwZ5Hw129mbS5IXZskM1e8TSvO2ZZrtJ89YTAH7pW0zF81VViEXksRfCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T04:11:19.163758Z","bundle_sha256":"0af1d719058a3add920ed03cd3d88965857a0c015078b9e98a54f127ce4969d0"}}