{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:OLRSRKFPTEFF6PZEU6XJWIE2DI","short_pith_number":"pith:OLRSRKFP","canonical_record":{"source":{"id":"1509.06379","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-09-21T20:12:48Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"f497ac118ff31f0538b8fc26a2d6ad773af6a74fcf19270447f269f9e84ca50e","abstract_canon_sha256":"090a23912c8572753909597865cea42822a8361b295f5a6c02d77fb6af58f995"},"schema_version":"1.0"},"canonical_sha256":"72e328a8af990a5f3f24a7ae9b209a1a173615a18ed049369e879f8dee2beb9a","source":{"kind":"arxiv","id":"1509.06379","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.06379","created_at":"2026-05-18T01:19:29Z"},{"alias_kind":"arxiv_version","alias_value":"1509.06379v1","created_at":"2026-05-18T01:19:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.06379","created_at":"2026-05-18T01:19:29Z"},{"alias_kind":"pith_short_12","alias_value":"OLRSRKFPTEFF","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OLRSRKFPTEFF6PZE","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OLRSRKFP","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:OLRSRKFPTEFF6PZEU6XJWIE2DI","target":"record","payload":{"canonical_record":{"source":{"id":"1509.06379","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-09-21T20:12:48Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"f497ac118ff31f0538b8fc26a2d6ad773af6a74fcf19270447f269f9e84ca50e","abstract_canon_sha256":"090a23912c8572753909597865cea42822a8361b295f5a6c02d77fb6af58f995"},"schema_version":"1.0"},"canonical_sha256":"72e328a8af990a5f3f24a7ae9b209a1a173615a18ed049369e879f8dee2beb9a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:29.510054Z","signature_b64":"SLL7nr7W8OdbrphuyfRwTBrZp5dLsbjrn11gJdP8cLjPH1LG+FBCSnGCoJ2XTWhvyR1FPhbQvKTZ2MRa9VeoCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72e328a8af990a5f3f24a7ae9b209a1a173615a18ed049369e879f8dee2beb9a","last_reissued_at":"2026-05-18T01:19:29.509424Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:29.509424Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.06379","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":"2026-05-18T01:19:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VLgYCuAcYEXB9Cw8knCCzmnSS1LEmVDdLCz3/mIRB1QIzHDBxKZh5TvWiuWHBIxcprCZr5ccNbGrqDmprZ5jAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:18:18.727894Z"},"content_sha256":"1f2256e321acf90c39b52f3eca3fe6093b76278e85721b37d470b0cda2a04ac0","schema_version":"1.0","event_id":"sha256:1f2256e321acf90c39b52f3eca3fe6093b76278e85721b37d470b0cda2a04ac0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:OLRSRKFPTEFF6PZEU6XJWIE2DI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Early Dust Formation and a Massive Progenitor for SN 2011ja?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Ben E.K. Sugerman, E. Montiel, Geoffrey C. Clayton, H. Drass, J.E. Andrews, Kelsie M. Krafton, M.J. Barlow, M. Matsuura, R. Wesson","submitted_at":"2015-09-21T20:12:48Z","abstract_excerpt":"SN 2011ja was a bright (I = -18.3) Type II supernova occurring in the nearby edge on spiral galaxy NGC 4945. Flat-topped and multi-peaked H-alpha and H-beta spectral emission lines appear between 64 - 84 days post-explosion, indicating interaction with a disc-like circumstellar medium inclined 30-45 degrees from edge-on. After day 84 an increase in the H- and K-band flux along with heavy attenuation of the red wing of the emission lines are strong indications of early dust formation, likely located in the cool dense shell created between the forward shock of the SN ejecta and the reverse shock"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.06379","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":"2026-05-18T01:19:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pQNqTNDS+czPrejWtsx2hw/8cVLuQetvivANpOiXspS7ZdmJOLGwTpn1Dowu/8rkino3OGsEdcF22PouqF2vCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:18:18.728588Z"},"content_sha256":"a5ab50bc96fc34cc7f6bebc912a4ac92357e01bb668fc6dac0e7b62d55600bcb","schema_version":"1.0","event_id":"sha256:a5ab50bc96fc34cc7f6bebc912a4ac92357e01bb668fc6dac0e7b62d55600bcb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OLRSRKFPTEFF6PZEU6XJWIE2DI/bundle.json","state_url":"https://pith.science/pith/OLRSRKFPTEFF6PZEU6XJWIE2DI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OLRSRKFPTEFF6PZEU6XJWIE2DI/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":"2026-05-25T22:18:18Z","links":{"resolver":"https://pith.science/pith/OLRSRKFPTEFF6PZEU6XJWIE2DI","bundle":"https://pith.science/pith/OLRSRKFPTEFF6PZEU6XJWIE2DI/bundle.json","state":"https://pith.science/pith/OLRSRKFPTEFF6PZEU6XJWIE2DI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OLRSRKFPTEFF6PZEU6XJWIE2DI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:OLRSRKFPTEFF6PZEU6XJWIE2DI","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":"090a23912c8572753909597865cea42822a8361b295f5a6c02d77fb6af58f995","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-09-21T20:12:48Z","title_canon_sha256":"f497ac118ff31f0538b8fc26a2d6ad773af6a74fcf19270447f269f9e84ca50e"},"schema_version":"1.0","source":{"id":"1509.06379","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.06379","created_at":"2026-05-18T01:19:29Z"},{"alias_kind":"arxiv_version","alias_value":"1509.06379v1","created_at":"2026-05-18T01:19:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.06379","created_at":"2026-05-18T01:19:29Z"},{"alias_kind":"pith_short_12","alias_value":"OLRSRKFPTEFF","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OLRSRKFPTEFF6PZE","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OLRSRKFP","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:a5ab50bc96fc34cc7f6bebc912a4ac92357e01bb668fc6dac0e7b62d55600bcb","target":"graph","created_at":"2026-05-18T01:19:29Z","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":"SN 2011ja was a bright (I = -18.3) Type II supernova occurring in the nearby edge on spiral galaxy NGC 4945. Flat-topped and multi-peaked H-alpha and H-beta spectral emission lines appear between 64 - 84 days post-explosion, indicating interaction with a disc-like circumstellar medium inclined 30-45 degrees from edge-on. After day 84 an increase in the H- and K-band flux along with heavy attenuation of the red wing of the emission lines are strong indications of early dust formation, likely located in the cool dense shell created between the forward shock of the SN ejecta and the reverse shock","authors_text":"Ben E.K. Sugerman, E. Montiel, Geoffrey C. Clayton, H. Drass, J.E. Andrews, Kelsie M. Krafton, M.J. Barlow, M. Matsuura, R. Wesson","cross_cats":["astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-09-21T20:12:48Z","title":"Early Dust Formation and a Massive Progenitor for SN 2011ja?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.06379","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":"sha256:1f2256e321acf90c39b52f3eca3fe6093b76278e85721b37d470b0cda2a04ac0","target":"record","created_at":"2026-05-18T01:19:29Z","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":"090a23912c8572753909597865cea42822a8361b295f5a6c02d77fb6af58f995","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-09-21T20:12:48Z","title_canon_sha256":"f497ac118ff31f0538b8fc26a2d6ad773af6a74fcf19270447f269f9e84ca50e"},"schema_version":"1.0","source":{"id":"1509.06379","kind":"arxiv","version":1}},"canonical_sha256":"72e328a8af990a5f3f24a7ae9b209a1a173615a18ed049369e879f8dee2beb9a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72e328a8af990a5f3f24a7ae9b209a1a173615a18ed049369e879f8dee2beb9a","first_computed_at":"2026-05-18T01:19:29.509424Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:29.509424Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SLL7nr7W8OdbrphuyfRwTBrZp5dLsbjrn11gJdP8cLjPH1LG+FBCSnGCoJ2XTWhvyR1FPhbQvKTZ2MRa9VeoCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:29.510054Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.06379","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f2256e321acf90c39b52f3eca3fe6093b76278e85721b37d470b0cda2a04ac0","sha256:a5ab50bc96fc34cc7f6bebc912a4ac92357e01bb668fc6dac0e7b62d55600bcb"],"state_sha256":"00ff9ca4e35f4050916c06ace1a94eb705be493c2f81ad54c7aadd7e2ac6daf9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u+jgun44j8gyk9DN0wfwkcbnhFUWcl4WLg7xsI8cSUWHYpHFRlASv67bbpsxHJrmRL/fXg0q8OqOXAKWrdorBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:18:18.732058Z","bundle_sha256":"0f945a8d3c52232fa9882b833b88c0dac446d78baed272f00a44418642894aaf"}}