{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:AFT24CIGVE5PW4UYQK256UDCOL","short_pith_number":"pith:AFT24CIG","canonical_record":{"source":{"id":"1510.08541","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-29T01:52:57Z","cross_cats_sorted":[],"title_canon_sha256":"6c0743afb70e43b14c3a89740f963ceef5de78bb736415c883205b4f1d8ba81b","abstract_canon_sha256":"282c60840744bda84347545c82753c333d656b4e2b233834455328ba1a9dc934"},"schema_version":"1.0"},"canonical_sha256":"0167ae0906a93afb729882b5df506272e758ed06822cc5391e1c40dd3a588b8d","source":{"kind":"arxiv","id":"1510.08541","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.08541","created_at":"2026-05-18T01:28:28Z"},{"alias_kind":"arxiv_version","alias_value":"1510.08541v1","created_at":"2026-05-18T01:28:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.08541","created_at":"2026-05-18T01:28:28Z"},{"alias_kind":"pith_short_12","alias_value":"AFT24CIGVE5P","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AFT24CIGVE5PW4UY","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AFT24CIG","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:AFT24CIGVE5PW4UYQK256UDCOL","target":"record","payload":{"canonical_record":{"source":{"id":"1510.08541","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-29T01:52:57Z","cross_cats_sorted":[],"title_canon_sha256":"6c0743afb70e43b14c3a89740f963ceef5de78bb736415c883205b4f1d8ba81b","abstract_canon_sha256":"282c60840744bda84347545c82753c333d656b4e2b233834455328ba1a9dc934"},"schema_version":"1.0"},"canonical_sha256":"0167ae0906a93afb729882b5df506272e758ed06822cc5391e1c40dd3a588b8d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:28:28.581540Z","signature_b64":"VOcOTQzs1JN1vKiCeAdbsE7bdb77l8v+71HHHHRCuLI5CpqBnxOIMbuPipAtVLVUMsJdjLSCjpbO7FDoqub+DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0167ae0906a93afb729882b5df506272e758ed06822cc5391e1c40dd3a588b8d","last_reissued_at":"2026-05-18T01:28:28.580907Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:28:28.580907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.08541","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":"2026-05-18T01:28:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fLuDiFZzQY4k2ZTZcpVlQfvVSrfAf8FD3ozAL5T73eAXik3Jc70TU+/WkeYAV9YH75eb3gUOwQucoMr7f2xCBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:35:16.324799Z"},"content_sha256":"5cd1cfd6c854bd303bc087f60b694923635174f11600229ca587708e9d7b6311","schema_version":"1.0","event_id":"sha256:5cd1cfd6c854bd303bc087f60b694923635174f11600229ca587708e9d7b6311"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:AFT24CIGVE5PW4UYQK256UDCOL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measuring $\\eta$ Carinae's High Mass Ejecta in the Infrared and Sub-millimeter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Patrick W. Morris","submitted_at":"2015-10-29T01:52:57Z","abstract_excerpt":"I address uncertainties on the spatial distribution and mass of the dust formed in $\\eta$ Carinae's Homunculus nebula with data being combined from several space- and ground-based facilities spanning near-infrared to sub-mm wavelengths, in terms of observational constraints and modeling. Until these aspects are better understood, the mass loss history and mechanisms responsible for $\\eta$ Car's enormous eruption(s) remain poorly constrained."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.08541","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":"2026-05-18T01:28:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sxSsSjCm3wxYxAUTzG+v2vdkOeeQ1zCOS71r71QTpCF6mnjTh+Rs/dYvQrGhIGn41dw1b78ZWN85WyPbuoHCAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:35:16.325284Z"},"content_sha256":"ed020bb23e3f7053fb6d986d930ea162ecb78d8f69076a0d7f3746bff71e8516","schema_version":"1.0","event_id":"sha256:ed020bb23e3f7053fb6d986d930ea162ecb78d8f69076a0d7f3746bff71e8516"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AFT24CIGVE5PW4UYQK256UDCOL/bundle.json","state_url":"https://pith.science/pith/AFT24CIGVE5PW4UYQK256UDCOL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AFT24CIGVE5PW4UYQK256UDCOL/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":"2026-05-26T22:35:16Z","links":{"resolver":"https://pith.science/pith/AFT24CIGVE5PW4UYQK256UDCOL","bundle":"https://pith.science/pith/AFT24CIGVE5PW4UYQK256UDCOL/bundle.json","state":"https://pith.science/pith/AFT24CIGVE5PW4UYQK256UDCOL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AFT24CIGVE5PW4UYQK256UDCOL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:AFT24CIGVE5PW4UYQK256UDCOL","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":"282c60840744bda84347545c82753c333d656b4e2b233834455328ba1a9dc934","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-29T01:52:57Z","title_canon_sha256":"6c0743afb70e43b14c3a89740f963ceef5de78bb736415c883205b4f1d8ba81b"},"schema_version":"1.0","source":{"id":"1510.08541","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.08541","created_at":"2026-05-18T01:28:28Z"},{"alias_kind":"arxiv_version","alias_value":"1510.08541v1","created_at":"2026-05-18T01:28:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.08541","created_at":"2026-05-18T01:28:28Z"},{"alias_kind":"pith_short_12","alias_value":"AFT24CIGVE5P","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AFT24CIGVE5PW4UY","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AFT24CIG","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:ed020bb23e3f7053fb6d986d930ea162ecb78d8f69076a0d7f3746bff71e8516","target":"graph","created_at":"2026-05-18T01:28:28Z","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":"I address uncertainties on the spatial distribution and mass of the dust formed in $\\eta$ Carinae's Homunculus nebula with data being combined from several space- and ground-based facilities spanning near-infrared to sub-mm wavelengths, in terms of observational constraints and modeling. Until these aspects are better understood, the mass loss history and mechanisms responsible for $\\eta$ Car's enormous eruption(s) remain poorly constrained.","authors_text":"Patrick W. Morris","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-29T01:52:57Z","title":"Measuring $\\eta$ Carinae's High Mass Ejecta in the Infrared and Sub-millimeter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.08541","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":"sha256:5cd1cfd6c854bd303bc087f60b694923635174f11600229ca587708e9d7b6311","target":"record","created_at":"2026-05-18T01:28:28Z","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":"282c60840744bda84347545c82753c333d656b4e2b233834455328ba1a9dc934","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-29T01:52:57Z","title_canon_sha256":"6c0743afb70e43b14c3a89740f963ceef5de78bb736415c883205b4f1d8ba81b"},"schema_version":"1.0","source":{"id":"1510.08541","kind":"arxiv","version":1}},"canonical_sha256":"0167ae0906a93afb729882b5df506272e758ed06822cc5391e1c40dd3a588b8d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0167ae0906a93afb729882b5df506272e758ed06822cc5391e1c40dd3a588b8d","first_computed_at":"2026-05-18T01:28:28.580907Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:28:28.580907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VOcOTQzs1JN1vKiCeAdbsE7bdb77l8v+71HHHHRCuLI5CpqBnxOIMbuPipAtVLVUMsJdjLSCjpbO7FDoqub+DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:28:28.581540Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.08541","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5cd1cfd6c854bd303bc087f60b694923635174f11600229ca587708e9d7b6311","sha256:ed020bb23e3f7053fb6d986d930ea162ecb78d8f69076a0d7f3746bff71e8516"],"state_sha256":"6952b0dd0ae083aaa69c230efebb3d1135a43ad2721c4e73fdd2df302d335cc5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"73WnYTjtF1VQcWUNP2Ckgc33ZAveptG7G8rjcInQo7OMQTatlE6qnDAOTb96NeSw+2dr/VNu7uHs0H9kc1rFBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:35:16.327524Z","bundle_sha256":"9b7ce0129e9da5b317ec7dfb4d3a258789eed92424a5b2dd8b9b0c9ef9cfdecc"}}