{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:5AUWXQX53Z47NV3F7VW2CMNRQF","short_pith_number":"pith:5AUWXQX5","canonical_record":{"source":{"id":"1605.07920","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-05-25T15:03:48Z","cross_cats_sorted":[],"title_canon_sha256":"403b5e94af446e6628622c5ee752e46f276d97df7de6d435f66740f5595b7f15","abstract_canon_sha256":"c4a8f320208ff4c3aa713f725b0fbed8b30129aaca67d28f8a5ac73475695ca4"},"schema_version":"1.0"},"canonical_sha256":"e8296bc2fdde79f6d765fd6da131b1816691ce7b30f21a6ab8bb2f3a6e95cfd2","source":{"kind":"arxiv","id":"1605.07920","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.07920","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"arxiv_version","alias_value":"1605.07920v1","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.07920","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"pith_short_12","alias_value":"5AUWXQX53Z47","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"5AUWXQX53Z47NV3F","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"5AUWXQX5","created_at":"2026-05-18T12:29:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:5AUWXQX53Z47NV3F7VW2CMNRQF","target":"record","payload":{"canonical_record":{"source":{"id":"1605.07920","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-05-25T15:03:48Z","cross_cats_sorted":[],"title_canon_sha256":"403b5e94af446e6628622c5ee752e46f276d97df7de6d435f66740f5595b7f15","abstract_canon_sha256":"c4a8f320208ff4c3aa713f725b0fbed8b30129aaca67d28f8a5ac73475695ca4"},"schema_version":"1.0"},"canonical_sha256":"e8296bc2fdde79f6d765fd6da131b1816691ce7b30f21a6ab8bb2f3a6e95cfd2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:29.453591Z","signature_b64":"tEoQzfLHx/ZWLnYm6N8oC0zYrEwPvbVeJtgI2U7IfzsLYu21FY3sq9CUFHl++F1xw+x5xdqt/1e3x1WW32/KDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8296bc2fdde79f6d765fd6da131b1816691ce7b30f21a6ab8bb2f3a6e95cfd2","last_reissued_at":"2026-05-18T01:10:29.453141Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:29.453141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.07920","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":"2026-05-18T01:10:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tflqq8kcHFGfEofHDGQlHmR0rq87neg8An7MZixxwDzaXxSF2HVS9h/3mbXODD69iG7KF7Niq3LTQFMWQM8CDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:34:56.242178Z"},"content_sha256":"8d74a83351285df6f0f7302482335debf46654b069caca8ea6a7a068dabd4945","schema_version":"1.0","event_id":"sha256:8d74a83351285df6f0f7302482335debf46654b069caca8ea6a7a068dabd4945"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:5AUWXQX53Z47NV3F7VW2CMNRQF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effect of planet ingestion on low-mass stars evolution: the case of 2MASS J08095427--4721419 star in the Gamma Velorum cluster","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"E. Tognelli, P. G. Prada Moroni, S. Degl'Innocenti","submitted_at":"2016-05-25T15:03:48Z","abstract_excerpt":"We analysed the effects of planet ingestion on the characteristics of a pre-MS star similar to the Gamma Velorum cluster member 2MASS J08095427--4721419 (#52). We discussed the effects of changing the age $t_0$ at which the accretion episode occurs, the mass of the ingested planet and its chemical composition. We showed that the mass of the ingested planet required to explain the current [Fe/H]^#52 increases by decreasing the age $t_0$ and/or by decreasing the Iron content of the accreted matter.\n  We compared the predictions of a simplified accretion method -- where only the variation of the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.07920","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":"2026-05-18T01:10:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qD0PfBdC2Y3Xw8wadOmXgJtWMBeNJfJPQD9myK0bzfoCnuzCIbk4E9njsx2nPuNtM9TNxHVzqzx0D81bAx/lCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:34:56.242543Z"},"content_sha256":"e91bca627d29fc1f9af389d3f87238f20ca08582e9df4078c8bd6abd836f7481","schema_version":"1.0","event_id":"sha256:e91bca627d29fc1f9af389d3f87238f20ca08582e9df4078c8bd6abd836f7481"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5AUWXQX53Z47NV3F7VW2CMNRQF/bundle.json","state_url":"https://pith.science/pith/5AUWXQX53Z47NV3F7VW2CMNRQF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5AUWXQX53Z47NV3F7VW2CMNRQF/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":"2026-06-01T03:34:56Z","links":{"resolver":"https://pith.science/pith/5AUWXQX53Z47NV3F7VW2CMNRQF","bundle":"https://pith.science/pith/5AUWXQX53Z47NV3F7VW2CMNRQF/bundle.json","state":"https://pith.science/pith/5AUWXQX53Z47NV3F7VW2CMNRQF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5AUWXQX53Z47NV3F7VW2CMNRQF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:5AUWXQX53Z47NV3F7VW2CMNRQF","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":"c4a8f320208ff4c3aa713f725b0fbed8b30129aaca67d28f8a5ac73475695ca4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-05-25T15:03:48Z","title_canon_sha256":"403b5e94af446e6628622c5ee752e46f276d97df7de6d435f66740f5595b7f15"},"schema_version":"1.0","source":{"id":"1605.07920","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.07920","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"arxiv_version","alias_value":"1605.07920v1","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.07920","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"pith_short_12","alias_value":"5AUWXQX53Z47","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"5AUWXQX53Z47NV3F","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"5AUWXQX5","created_at":"2026-05-18T12:29:58Z"}],"graph_snapshots":[{"event_id":"sha256:e91bca627d29fc1f9af389d3f87238f20ca08582e9df4078c8bd6abd836f7481","target":"graph","created_at":"2026-05-18T01:10:29Z","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 analysed the effects of planet ingestion on the characteristics of a pre-MS star similar to the Gamma Velorum cluster member 2MASS J08095427--4721419 (#52). We discussed the effects of changing the age $t_0$ at which the accretion episode occurs, the mass of the ingested planet and its chemical composition. We showed that the mass of the ingested planet required to explain the current [Fe/H]^#52 increases by decreasing the age $t_0$ and/or by decreasing the Iron content of the accreted matter.\n  We compared the predictions of a simplified accretion method -- where only the variation of the ","authors_text":"E. Tognelli, P. G. Prada Moroni, S. Degl'Innocenti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-05-25T15:03:48Z","title":"Effect of planet ingestion on low-mass stars evolution: the case of 2MASS J08095427--4721419 star in the Gamma Velorum cluster"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.07920","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":"sha256:8d74a83351285df6f0f7302482335debf46654b069caca8ea6a7a068dabd4945","target":"record","created_at":"2026-05-18T01:10:29Z","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":"c4a8f320208ff4c3aa713f725b0fbed8b30129aaca67d28f8a5ac73475695ca4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-05-25T15:03:48Z","title_canon_sha256":"403b5e94af446e6628622c5ee752e46f276d97df7de6d435f66740f5595b7f15"},"schema_version":"1.0","source":{"id":"1605.07920","kind":"arxiv","version":1}},"canonical_sha256":"e8296bc2fdde79f6d765fd6da131b1816691ce7b30f21a6ab8bb2f3a6e95cfd2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e8296bc2fdde79f6d765fd6da131b1816691ce7b30f21a6ab8bb2f3a6e95cfd2","first_computed_at":"2026-05-18T01:10:29.453141Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:29.453141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tEoQzfLHx/ZWLnYm6N8oC0zYrEwPvbVeJtgI2U7IfzsLYu21FY3sq9CUFHl++F1xw+x5xdqt/1e3x1WW32/KDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:29.453591Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.07920","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d74a83351285df6f0f7302482335debf46654b069caca8ea6a7a068dabd4945","sha256:e91bca627d29fc1f9af389d3f87238f20ca08582e9df4078c8bd6abd836f7481"],"state_sha256":"43adb989a0b2a8343f426482c192c8d5f17064de4f549422b1bdd42a8548d288"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/JmFLD06O1E/VbZNcED6B+rJi9VbHdBqu9lv2xg6FG63bpfAldyI5qF3Di/ljUX11Ttr3R/o9M+BZ6oRL/dzAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T03:34:56.244806Z","bundle_sha256":"d7d67e037419cfdefd1529001dc9e1812eb39ef5d38a927285afbd7aa22fa38a"}}