{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:JQHMI6XLUH24JHNRTTUXPYYBVS","short_pith_number":"pith:JQHMI6XL","canonical_record":{"source":{"id":"1601.03331","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-13T18:00:00Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"fe504a69b094834e9f5b4f906987e2b4221abd5d1e1c7fde19a5438f1ae14bbd","abstract_canon_sha256":"faddf474a7531bfa0fad261d1b6c218ea0d949623d1a241458df4b2c7125ba86"},"schema_version":"1.0"},"canonical_sha256":"4c0ec47aeba1f5c49db19ce977e301acb3e0597ee66cb4be174ba66cf9e37d6c","source":{"kind":"arxiv","id":"1601.03331","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.03331","created_at":"2026-05-18T01:19:25Z"},{"alias_kind":"arxiv_version","alias_value":"1601.03331v2","created_at":"2026-05-18T01:19:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.03331","created_at":"2026-05-18T01:19:25Z"},{"alias_kind":"pith_short_12","alias_value":"JQHMI6XLUH24","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JQHMI6XLUH24JHNR","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JQHMI6XL","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:JQHMI6XLUH24JHNRTTUXPYYBVS","target":"record","payload":{"canonical_record":{"source":{"id":"1601.03331","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-13T18:00:00Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"fe504a69b094834e9f5b4f906987e2b4221abd5d1e1c7fde19a5438f1ae14bbd","abstract_canon_sha256":"faddf474a7531bfa0fad261d1b6c218ea0d949623d1a241458df4b2c7125ba86"},"schema_version":"1.0"},"canonical_sha256":"4c0ec47aeba1f5c49db19ce977e301acb3e0597ee66cb4be174ba66cf9e37d6c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:25.019599Z","signature_b64":"Ab/h/8R2xW6jLQkDzWb3CGYOmsk4YrlDgZ1oy/jz3nbiNvTAUSWheCGYXif7ot/ztRYXS9i3GPI+BdhWO9n9AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c0ec47aeba1f5c49db19ce977e301acb3e0597ee66cb4be174ba66cf9e37d6c","last_reissued_at":"2026-05-18T01:19:25.018929Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:25.018929Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.03331","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":"2026-05-18T01:19:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"djvzUOAFVaJhqzsuKn7hluJ7a0dVD9zTFDjnDVy+AFgBgcj6/NN9vyAsHphmS1zHqEUWmXMQfjQLb1OMFkHSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:34:57.043026Z"},"content_sha256":"dc3554bf392f67783c1ceac567ee3be4e5bf01bdf2820889147fa91a8bdea285","schema_version":"1.0","event_id":"sha256:dc3554bf392f67783c1ceac567ee3be4e5bf01bdf2820889147fa91a8bdea285"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:JQHMI6XLUH24JHNRTTUXPYYBVS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Ultraviolet Spectrum of the Tidal Disruption Flare ASASSN-14li","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Alexei V. Filippenko, Andrew J. Levan, Andrew S. Fruchter, Antonino Cucchiara, Daniel Kasen, Dheeraj R. Pasham, Enrico Ramirez-Ruiz, Francesco Tombesi, Iair Arcavi, James Guillochon, Jon M. Miller, J. Xavier Prochaska, Linda E. Strubbe, Lin Yan, Nathaniel R. Butler, Nathaniel Roth, Nial R. Tanvir, S. Bradley Cenko, Suvi Gezari, Sylvain Veilleux, W. Peter Maksym","submitted_at":"2016-01-13T18:00:00Z","abstract_excerpt":"We present a Hubble Space Telescope STIS spectrum of ASASSN-14li, the first rest-frame UV spectrum of a tidal disruption flare (TDF). The underlying continuum is well fit by a blackbody with $T_{\\mathrm{UV}} = 3.5 \\times 10^{4}$ K, an order of magnitude smaller than the temperature inferred from X-ray spectra (and significantly more precise than previous efforts based on optical and near-UV photometry). Super-imposed on this blue continuum, we detect three classes of features: narrow absorption from the Milky Way (probably a high-velocity cloud), and narrow absorption and broad (FWHM $\\approx "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.03331","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":"2026-05-18T01:19:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l4fGllxpFXzNL+Sv5kCbbZmz0/sGsnDsizNc/4VlEb0cAWENcdPEHQ+15oUeeLnloZfK1wHmAG8Dd2IPmakIBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:34:57.043718Z"},"content_sha256":"ccae02d580a8fdaeae516e0b9675e9f4e2194df1b558e86b8cb588e89d30e5bc","schema_version":"1.0","event_id":"sha256:ccae02d580a8fdaeae516e0b9675e9f4e2194df1b558e86b8cb588e89d30e5bc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JQHMI6XLUH24JHNRTTUXPYYBVS/bundle.json","state_url":"https://pith.science/pith/JQHMI6XLUH24JHNRTTUXPYYBVS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JQHMI6XLUH24JHNRTTUXPYYBVS/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":"2026-05-30T13:34:57Z","links":{"resolver":"https://pith.science/pith/JQHMI6XLUH24JHNRTTUXPYYBVS","bundle":"https://pith.science/pith/JQHMI6XLUH24JHNRTTUXPYYBVS/bundle.json","state":"https://pith.science/pith/JQHMI6XLUH24JHNRTTUXPYYBVS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JQHMI6XLUH24JHNRTTUXPYYBVS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:JQHMI6XLUH24JHNRTTUXPYYBVS","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":"faddf474a7531bfa0fad261d1b6c218ea0d949623d1a241458df4b2c7125ba86","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-13T18:00:00Z","title_canon_sha256":"fe504a69b094834e9f5b4f906987e2b4221abd5d1e1c7fde19a5438f1ae14bbd"},"schema_version":"1.0","source":{"id":"1601.03331","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.03331","created_at":"2026-05-18T01:19:25Z"},{"alias_kind":"arxiv_version","alias_value":"1601.03331v2","created_at":"2026-05-18T01:19:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.03331","created_at":"2026-05-18T01:19:25Z"},{"alias_kind":"pith_short_12","alias_value":"JQHMI6XLUH24","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JQHMI6XLUH24JHNR","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JQHMI6XL","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:ccae02d580a8fdaeae516e0b9675e9f4e2194df1b558e86b8cb588e89d30e5bc","target":"graph","created_at":"2026-05-18T01:19:25Z","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 present a Hubble Space Telescope STIS spectrum of ASASSN-14li, the first rest-frame UV spectrum of a tidal disruption flare (TDF). The underlying continuum is well fit by a blackbody with $T_{\\mathrm{UV}} = 3.5 \\times 10^{4}$ K, an order of magnitude smaller than the temperature inferred from X-ray spectra (and significantly more precise than previous efforts based on optical and near-UV photometry). Super-imposed on this blue continuum, we detect three classes of features: narrow absorption from the Milky Way (probably a high-velocity cloud), and narrow absorption and broad (FWHM $\\approx ","authors_text":"Alexei V. Filippenko, Andrew J. Levan, Andrew S. Fruchter, Antonino Cucchiara, Daniel Kasen, Dheeraj R. Pasham, Enrico Ramirez-Ruiz, Francesco Tombesi, Iair Arcavi, James Guillochon, Jon M. Miller, J. Xavier Prochaska, Linda E. Strubbe, Lin Yan, Nathaniel R. Butler, Nathaniel Roth, Nial R. Tanvir, S. Bradley Cenko, Suvi Gezari, Sylvain Veilleux, W. Peter Maksym","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-13T18:00:00Z","title":"An Ultraviolet Spectrum of the Tidal Disruption Flare ASASSN-14li"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.03331","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:dc3554bf392f67783c1ceac567ee3be4e5bf01bdf2820889147fa91a8bdea285","target":"record","created_at":"2026-05-18T01:19:25Z","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":"faddf474a7531bfa0fad261d1b6c218ea0d949623d1a241458df4b2c7125ba86","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-13T18:00:00Z","title_canon_sha256":"fe504a69b094834e9f5b4f906987e2b4221abd5d1e1c7fde19a5438f1ae14bbd"},"schema_version":"1.0","source":{"id":"1601.03331","kind":"arxiv","version":2}},"canonical_sha256":"4c0ec47aeba1f5c49db19ce977e301acb3e0597ee66cb4be174ba66cf9e37d6c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c0ec47aeba1f5c49db19ce977e301acb3e0597ee66cb4be174ba66cf9e37d6c","first_computed_at":"2026-05-18T01:19:25.018929Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:25.018929Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ab/h/8R2xW6jLQkDzWb3CGYOmsk4YrlDgZ1oy/jz3nbiNvTAUSWheCGYXif7ot/ztRYXS9i3GPI+BdhWO9n9AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:25.019599Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.03331","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc3554bf392f67783c1ceac567ee3be4e5bf01bdf2820889147fa91a8bdea285","sha256:ccae02d580a8fdaeae516e0b9675e9f4e2194df1b558e86b8cb588e89d30e5bc"],"state_sha256":"824fb09923eb3226d37a85ba67622c709326569af83f5ce8ee7fafa6918d53f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rV7NMOJvkYWpQH2/eQzIMqNM3VUQozFHOtRkgqEOjDqMS6gHYyscOalY7sWFo1ed+1J7CgeyEr3PN1IRYYexAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T13:34:57.047940Z","bundle_sha256":"6716fa9126dbb45b6ae86562c7a7e47368e56433bb059f19426529f17e857115"}}