{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:QDXE3PLMMLE6P2ZD4YJKCK64NU","short_pith_number":"pith:QDXE3PLM","canonical_record":{"source":{"id":"1508.00670","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-04T06:09:58Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"bbaea2fe1f64c07c28799da2c104cee756a7f687c2bc77ff1102d1d392c4763f","abstract_canon_sha256":"f62028dca761027c545c6b98bd5af008e73751aeb640ed87a0889ff310000bc0"},"schema_version":"1.0"},"canonical_sha256":"80ee4dbd6c62c9e7eb23e612a12bdc6d21fad152995f49f5f8bb6c3427e78493","source":{"kind":"arxiv","id":"1508.00670","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.00670","created_at":"2026-05-18T01:30:00Z"},{"alias_kind":"arxiv_version","alias_value":"1508.00670v2","created_at":"2026-05-18T01:30:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.00670","created_at":"2026-05-18T01:30:00Z"},{"alias_kind":"pith_short_12","alias_value":"QDXE3PLMMLE6","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QDXE3PLMMLE6P2ZD","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QDXE3PLM","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:QDXE3PLMMLE6P2ZD4YJKCK64NU","target":"record","payload":{"canonical_record":{"source":{"id":"1508.00670","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-04T06:09:58Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"bbaea2fe1f64c07c28799da2c104cee756a7f687c2bc77ff1102d1d392c4763f","abstract_canon_sha256":"f62028dca761027c545c6b98bd5af008e73751aeb640ed87a0889ff310000bc0"},"schema_version":"1.0"},"canonical_sha256":"80ee4dbd6c62c9e7eb23e612a12bdc6d21fad152995f49f5f8bb6c3427e78493","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:00.827239Z","signature_b64":"ULGsY+7tilmwamCqQ95W4Fm1Kb8KMQMy6cjmOI/0ugTKxQKvXQrUAwWK25zWDzPBT2lrnuQ91NniBg7CsnD1AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80ee4dbd6c62c9e7eb23e612a12bdc6d21fad152995f49f5f8bb6c3427e78493","last_reissued_at":"2026-05-18T01:30:00.826434Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:00.826434Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.00670","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":"2026-05-18T01:30:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KVcq4Yck/rfSf0IrHCJK7qaSjsKH3E1vuj1ZxExv4eY1J2YwFmHk6ThsHmGS1cMTBkKGmFwcbb8vyAF8E2Q9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T06:50:01.321339Z"},"content_sha256":"30b5fee5cc30686521c2437fdbadf23b0c93b748af5f577d2be6eec142889aea","schema_version":"1.0","event_id":"sha256:30b5fee5cc30686521c2437fdbadf23b0c93b748af5f577d2be6eec142889aea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:QDXE3PLMMLE6P2ZD4YJKCK64NU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optically Visible Post-AGB Stars, Post-RGB Stars and Young Stellar Objects in the Large Magellanic Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Devika Kamath, Hans Van Winckel, Peter R. Wood","submitted_at":"2015-08-04T06:09:58Z","abstract_excerpt":"We have carried out a search for optically visible post-Asymptotic Giant Branch (post-AGB) stars in the Large Magellanic Cloud (LMC). First, we selected candidates with a mid-IR excess and then obtained their optical spectra. We disentangled contaminants with unique spectra such as M-stars, C-stars, planetary nebulae, quasi-stellar objects and background galaxies. Subsequently, we performed a detailed spectroscopic analysis of the remaining candidates to estimate their stellar parameters such as effective temperature, surface gravity (log g), metallicity ([Fe/H]), reddening and their luminosit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.00670","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":"2026-05-18T01:30:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zo0QpYClO6+ROVfrkXiQYLU+rFHvKH3ffDNQ4jejnDRm0yRYa9QCP2B6FqidYrwQNx6swssBTT6uueEGeaY/Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T06:50:01.322068Z"},"content_sha256":"3633d15bf6b607a99477cab96b67128cd4adaa9da3f02cdbf8d75987bc117acd","schema_version":"1.0","event_id":"sha256:3633d15bf6b607a99477cab96b67128cd4adaa9da3f02cdbf8d75987bc117acd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QDXE3PLMMLE6P2ZD4YJKCK64NU/bundle.json","state_url":"https://pith.science/pith/QDXE3PLMMLE6P2ZD4YJKCK64NU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QDXE3PLMMLE6P2ZD4YJKCK64NU/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":"2026-06-10T06:50:01Z","links":{"resolver":"https://pith.science/pith/QDXE3PLMMLE6P2ZD4YJKCK64NU","bundle":"https://pith.science/pith/QDXE3PLMMLE6P2ZD4YJKCK64NU/bundle.json","state":"https://pith.science/pith/QDXE3PLMMLE6P2ZD4YJKCK64NU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QDXE3PLMMLE6P2ZD4YJKCK64NU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:QDXE3PLMMLE6P2ZD4YJKCK64NU","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":"f62028dca761027c545c6b98bd5af008e73751aeb640ed87a0889ff310000bc0","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-04T06:09:58Z","title_canon_sha256":"bbaea2fe1f64c07c28799da2c104cee756a7f687c2bc77ff1102d1d392c4763f"},"schema_version":"1.0","source":{"id":"1508.00670","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.00670","created_at":"2026-05-18T01:30:00Z"},{"alias_kind":"arxiv_version","alias_value":"1508.00670v2","created_at":"2026-05-18T01:30:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.00670","created_at":"2026-05-18T01:30:00Z"},{"alias_kind":"pith_short_12","alias_value":"QDXE3PLMMLE6","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QDXE3PLMMLE6P2ZD","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QDXE3PLM","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:3633d15bf6b607a99477cab96b67128cd4adaa9da3f02cdbf8d75987bc117acd","target":"graph","created_at":"2026-05-18T01:30:00Z","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 have carried out a search for optically visible post-Asymptotic Giant Branch (post-AGB) stars in the Large Magellanic Cloud (LMC). First, we selected candidates with a mid-IR excess and then obtained their optical spectra. We disentangled contaminants with unique spectra such as M-stars, C-stars, planetary nebulae, quasi-stellar objects and background galaxies. Subsequently, we performed a detailed spectroscopic analysis of the remaining candidates to estimate their stellar parameters such as effective temperature, surface gravity (log g), metallicity ([Fe/H]), reddening and their luminosit","authors_text":"Devika Kamath, Hans Van Winckel, Peter R. Wood","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-04T06:09:58Z","title":"Optically Visible Post-AGB Stars, Post-RGB Stars and Young Stellar Objects in the Large Magellanic Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.00670","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":"sha256:30b5fee5cc30686521c2437fdbadf23b0c93b748af5f577d2be6eec142889aea","target":"record","created_at":"2026-05-18T01:30:00Z","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":"f62028dca761027c545c6b98bd5af008e73751aeb640ed87a0889ff310000bc0","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-04T06:09:58Z","title_canon_sha256":"bbaea2fe1f64c07c28799da2c104cee756a7f687c2bc77ff1102d1d392c4763f"},"schema_version":"1.0","source":{"id":"1508.00670","kind":"arxiv","version":2}},"canonical_sha256":"80ee4dbd6c62c9e7eb23e612a12bdc6d21fad152995f49f5f8bb6c3427e78493","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80ee4dbd6c62c9e7eb23e612a12bdc6d21fad152995f49f5f8bb6c3427e78493","first_computed_at":"2026-05-18T01:30:00.826434Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:00.826434Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ULGsY+7tilmwamCqQ95W4Fm1Kb8KMQMy6cjmOI/0ugTKxQKvXQrUAwWK25zWDzPBT2lrnuQ91NniBg7CsnD1AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:00.827239Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.00670","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30b5fee5cc30686521c2437fdbadf23b0c93b748af5f577d2be6eec142889aea","sha256:3633d15bf6b607a99477cab96b67128cd4adaa9da3f02cdbf8d75987bc117acd"],"state_sha256":"28d673595c313717b2a6f2f17edd5375960993a9ffdfa20cba5400cf871ba771"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sCSVdA5C3XSeODkWhZD04flSJLy3GggYqBmKVzgVEIsuewB68AFSVxRgGdxLOwNeOkfrxShmMFJ3XQ8rXBnFCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T06:50:01.325812Z","bundle_sha256":"6d5a0ae78a39c89cba00d8010c284238b8afb496016323e4add16c40de93e5b7"}}