{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:LAKNPEYVPL6UOU5SS7RF7T53MC","short_pith_number":"pith:LAKNPEYV","canonical_record":{"source":{"id":"1409.3260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-10T21:36:34Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"b24f1aa93398e582a2109cab328434fdd56bb309d722bd7cffc86a5ed5d456bf","abstract_canon_sha256":"3f25802b82527bde1b02802e70e51d59abded11222d7e81b75ba474b7c8ac17e"},"schema_version":"1.0"},"canonical_sha256":"5814d793157afd4753b297e25fcfbb60b01fb0ed9432b65b214a9d00bc011819","source":{"kind":"arxiv","id":"1409.3260","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.3260","created_at":"2026-05-18T01:42:03Z"},{"alias_kind":"arxiv_version","alias_value":"1409.3260v1","created_at":"2026-05-18T01:42:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.3260","created_at":"2026-05-18T01:42:03Z"},{"alias_kind":"pith_short_12","alias_value":"LAKNPEYVPL6U","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"LAKNPEYVPL6UOU5S","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"LAKNPEYV","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:LAKNPEYVPL6UOU5SS7RF7T53MC","target":"record","payload":{"canonical_record":{"source":{"id":"1409.3260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-10T21:36:34Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"b24f1aa93398e582a2109cab328434fdd56bb309d722bd7cffc86a5ed5d456bf","abstract_canon_sha256":"3f25802b82527bde1b02802e70e51d59abded11222d7e81b75ba474b7c8ac17e"},"schema_version":"1.0"},"canonical_sha256":"5814d793157afd4753b297e25fcfbb60b01fb0ed9432b65b214a9d00bc011819","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:03.573597Z","signature_b64":"Rjo6ZEClzuhCCol7cOe2MdybNw+VrweY8pl2kIyJkfPBk7Y7O0Kyvtjcha5LXd1dxFUlIG6/h3Qz0BVf5dCVDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5814d793157afd4753b297e25fcfbb60b01fb0ed9432b65b214a9d00bc011819","last_reissued_at":"2026-05-18T01:42:03.573144Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:03.573144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.3260","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":"2026-05-18T01:42:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YOIZ1dJem+LM/xfYaErIR2rdiPhMSJ+l3LkbM9Y8Z1+V1bAv8IqHVEna7H/z8fqOT352hE9K1GydmHs5n/5dCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T06:49:03.101741Z"},"content_sha256":"3b8f74fa96dcd14cb2ce7feca123e91bf423eab2cf48ea46af3bcd6b1e15a36b","schema_version":"1.0","event_id":"sha256:3b8f74fa96dcd14cb2ce7feca123e91bf423eab2cf48ea46af3bcd6b1e15a36b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:LAKNPEYVPL6UOU5SS7RF7T53MC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the role of recombination in common-envelope ejections","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"N. Ivanova, Ph. Podsiadlowski, S. Justham","submitted_at":"2014-09-10T21:36:34Z","abstract_excerpt":"The energy budget in common-envelope events (CEEs) is not well understood, with substantial uncertainty even over to what extent the recombination energy stored in ionised hydrogen and helium might be used to help envelope ejection. We investigate the reaction of a red-giant envelope to heating which mimics limiting cases of energy input provided by the orbital decay of a binary during a CEE, specifically during the post-plunge-in phase during which the spiral-in has been argued to occur on a time-scale longer than dynamical. We show that the outcome of such a CEE depends less on the total amo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.3260","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":"2026-05-18T01:42:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h3sfnsfzG2XLo4EXvhJMdb9jOAFnrJ31zv4ZS2VCdE9QwW+qeOxQGhfRgJZriUwBqwHFXVfRo6IwMLcwk7PSBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T06:49:03.102433Z"},"content_sha256":"ba22dc61364caaf85123e26d07db773de23fefc0773fe58fe601d73af2134b49","schema_version":"1.0","event_id":"sha256:ba22dc61364caaf85123e26d07db773de23fefc0773fe58fe601d73af2134b49"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LAKNPEYVPL6UOU5SS7RF7T53MC/bundle.json","state_url":"https://pith.science/pith/LAKNPEYVPL6UOU5SS7RF7T53MC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LAKNPEYVPL6UOU5SS7RF7T53MC/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":"2026-05-27T06:49:03Z","links":{"resolver":"https://pith.science/pith/LAKNPEYVPL6UOU5SS7RF7T53MC","bundle":"https://pith.science/pith/LAKNPEYVPL6UOU5SS7RF7T53MC/bundle.json","state":"https://pith.science/pith/LAKNPEYVPL6UOU5SS7RF7T53MC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LAKNPEYVPL6UOU5SS7RF7T53MC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LAKNPEYVPL6UOU5SS7RF7T53MC","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":"3f25802b82527bde1b02802e70e51d59abded11222d7e81b75ba474b7c8ac17e","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-10T21:36:34Z","title_canon_sha256":"b24f1aa93398e582a2109cab328434fdd56bb309d722bd7cffc86a5ed5d456bf"},"schema_version":"1.0","source":{"id":"1409.3260","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.3260","created_at":"2026-05-18T01:42:03Z"},{"alias_kind":"arxiv_version","alias_value":"1409.3260v1","created_at":"2026-05-18T01:42:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.3260","created_at":"2026-05-18T01:42:03Z"},{"alias_kind":"pith_short_12","alias_value":"LAKNPEYVPL6U","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"LAKNPEYVPL6UOU5S","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"LAKNPEYV","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:ba22dc61364caaf85123e26d07db773de23fefc0773fe58fe601d73af2134b49","target":"graph","created_at":"2026-05-18T01:42:03Z","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 energy budget in common-envelope events (CEEs) is not well understood, with substantial uncertainty even over to what extent the recombination energy stored in ionised hydrogen and helium might be used to help envelope ejection. We investigate the reaction of a red-giant envelope to heating which mimics limiting cases of energy input provided by the orbital decay of a binary during a CEE, specifically during the post-plunge-in phase during which the spiral-in has been argued to occur on a time-scale longer than dynamical. We show that the outcome of such a CEE depends less on the total amo","authors_text":"N. Ivanova, Ph. Podsiadlowski, S. Justham","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-10T21:36:34Z","title":"On the role of recombination in common-envelope ejections"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.3260","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":"sha256:3b8f74fa96dcd14cb2ce7feca123e91bf423eab2cf48ea46af3bcd6b1e15a36b","target":"record","created_at":"2026-05-18T01:42:03Z","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":"3f25802b82527bde1b02802e70e51d59abded11222d7e81b75ba474b7c8ac17e","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-10T21:36:34Z","title_canon_sha256":"b24f1aa93398e582a2109cab328434fdd56bb309d722bd7cffc86a5ed5d456bf"},"schema_version":"1.0","source":{"id":"1409.3260","kind":"arxiv","version":1}},"canonical_sha256":"5814d793157afd4753b297e25fcfbb60b01fb0ed9432b65b214a9d00bc011819","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5814d793157afd4753b297e25fcfbb60b01fb0ed9432b65b214a9d00bc011819","first_computed_at":"2026-05-18T01:42:03.573144Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:03.573144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Rjo6ZEClzuhCCol7cOe2MdybNw+VrweY8pl2kIyJkfPBk7Y7O0Kyvtjcha5LXd1dxFUlIG6/h3Qz0BVf5dCVDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:03.573597Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.3260","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b8f74fa96dcd14cb2ce7feca123e91bf423eab2cf48ea46af3bcd6b1e15a36b","sha256:ba22dc61364caaf85123e26d07db773de23fefc0773fe58fe601d73af2134b49"],"state_sha256":"d8ab7e57b778cb2fed6ccb5847df184c8c9fd995f28582aa074abde7d261fcc2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NjTOeZ1zghpxIO0hjtJROLDtaXNv4k6d5Nozd+gSX/G51t/1En7AbvBI31Zh6H5uhu3vTQa8QBsYwP58iQN0Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T06:49:03.106017Z","bundle_sha256":"5cd50f60d98512992aa8fd61cc8200530817b6ccadedc372eada0568e8ffc9a4"}}