{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:LXJ4E3FYBWAQ5NFF2XRLCKC6V2","short_pith_number":"pith:LXJ4E3FY","canonical_record":{"source":{"id":"2501.18345","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-01-30T13:48:48Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"834306afdead66be78f85aadaacf5780b9dcc390a9b66e8dc4f6de861373eec7","abstract_canon_sha256":"5eb819ff8e0c2b7ab742baf04126c40d386aaa6316a8ba0981d42f701820040c"},"schema_version":"1.0"},"canonical_sha256":"5dd3c26cb80d810eb4a5d5e2b1285eaeb4425ba3075673b9be879103e6cbcd4c","source":{"kind":"arxiv","id":"2501.18345","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.18345","created_at":"2026-07-05T11:45:55Z"},{"alias_kind":"arxiv_version","alias_value":"2501.18345v3","created_at":"2026-07-05T11:45:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.18345","created_at":"2026-07-05T11:45:55Z"},{"alias_kind":"pith_short_12","alias_value":"LXJ4E3FYBWAQ","created_at":"2026-07-05T11:45:55Z"},{"alias_kind":"pith_short_16","alias_value":"LXJ4E3FYBWAQ5NFF","created_at":"2026-07-05T11:45:55Z"},{"alias_kind":"pith_short_8","alias_value":"LXJ4E3FY","created_at":"2026-07-05T11:45:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:LXJ4E3FYBWAQ5NFF2XRLCKC6V2","target":"record","payload":{"canonical_record":{"source":{"id":"2501.18345","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-01-30T13:48:48Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"834306afdead66be78f85aadaacf5780b9dcc390a9b66e8dc4f6de861373eec7","abstract_canon_sha256":"5eb819ff8e0c2b7ab742baf04126c40d386aaa6316a8ba0981d42f701820040c"},"schema_version":"1.0"},"canonical_sha256":"5dd3c26cb80d810eb4a5d5e2b1285eaeb4425ba3075673b9be879103e6cbcd4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:45:55.686670Z","signature_b64":"If3hTMU8tGUEKtQln6PcdbbDHrNN7vlnRyU5rxVsHvedi1k/YiNJCLLAlObF6q1AtVbokQcjX0vBOMeSM0M/CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5dd3c26cb80d810eb4a5d5e2b1285eaeb4425ba3075673b9be879103e6cbcd4c","last_reissued_at":"2026-07-05T11:45:55.686124Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:45:55.686124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.18345","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:45:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4qc5zJlNm3dw9Z4CfT25JGpnJB5HQ01PEkfc4x0n9FT/qVgbJ11yIyIuFk+fgr07w7W71HYdGn+a0kq0OAWOAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T18:06:04.416620Z"},"content_sha256":"baaeb4613b1dbde757b174d42c9d11a366e0909e225dab6bedbe13006626b536","schema_version":"1.0","event_id":"sha256:baaeb4613b1dbde757b174d42c9d11a366e0909e225dab6bedbe13006626b536"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:LXJ4E3FYBWAQ5NFF2XRLCKC6V2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nebular spectra of kilonovae with detailed recombination rates -- I. Light r-process composition","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"astro-ph.HE","authors_text":"Anders Jerkstrand, Jon Grumer, Niamh Ferguson, Nigel Badnell, Quentin Pognan, Smaranika Banerjee","submitted_at":"2025-01-30T13:48:48Z","abstract_excerpt":"To investigate spectra of kilonovae in the NLTE phase (t>= 1 week), we perform atomic calculations for dielectronic recombination (DR) rates for the light r-process elements Se (Z = 34), Rb (Z = 37), Sr (Z = 38), Y (Z = 39), and Zr (Z = 40) using the HULLAC code. For the different elements, our results for the DR rate coefficients for recombining from the ionization states of II to I, III to II, and IV to III vary between 2x10^{-12} - 5x10^{-11} cm^3/s, 10^{-13} - 5x10^{-11} cm^3/s and 2x10^{-15} - 10^{-11} cm^3/s, respectively, at a temperature of T = 10,000 K. Using this new atomic data (DR)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.18345","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2501.18345/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T11:45:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eSIXd5QkuvF1KE82LqEwq4qJPorK27uN7BZF51iUW3eXTB3jQax+7LFjCT5xAsiJ2vb18nXvll8VafxZcIrdBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T18:06:04.419464Z"},"content_sha256":"1439108ac8b653cb5b6bcdb2dcba42471895be56e343164f731c1115379bfdef","schema_version":"1.0","event_id":"sha256:1439108ac8b653cb5b6bcdb2dcba42471895be56e343164f731c1115379bfdef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LXJ4E3FYBWAQ5NFF2XRLCKC6V2/bundle.json","state_url":"https://pith.science/pith/LXJ4E3FYBWAQ5NFF2XRLCKC6V2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LXJ4E3FYBWAQ5NFF2XRLCKC6V2/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":"2026-08-13T18:06:04Z","links":{"resolver":"https://pith.science/pith/LXJ4E3FYBWAQ5NFF2XRLCKC6V2","bundle":"https://pith.science/pith/LXJ4E3FYBWAQ5NFF2XRLCKC6V2/bundle.json","state":"https://pith.science/pith/LXJ4E3FYBWAQ5NFF2XRLCKC6V2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LXJ4E3FYBWAQ5NFF2XRLCKC6V2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:LXJ4E3FYBWAQ5NFF2XRLCKC6V2","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":"5eb819ff8e0c2b7ab742baf04126c40d386aaa6316a8ba0981d42f701820040c","cross_cats_sorted":["physics.atom-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-01-30T13:48:48Z","title_canon_sha256":"834306afdead66be78f85aadaacf5780b9dcc390a9b66e8dc4f6de861373eec7"},"schema_version":"1.0","source":{"id":"2501.18345","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.18345","created_at":"2026-07-05T11:45:55Z"},{"alias_kind":"arxiv_version","alias_value":"2501.18345v3","created_at":"2026-07-05T11:45:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.18345","created_at":"2026-07-05T11:45:55Z"},{"alias_kind":"pith_short_12","alias_value":"LXJ4E3FYBWAQ","created_at":"2026-07-05T11:45:55Z"},{"alias_kind":"pith_short_16","alias_value":"LXJ4E3FYBWAQ5NFF","created_at":"2026-07-05T11:45:55Z"},{"alias_kind":"pith_short_8","alias_value":"LXJ4E3FY","created_at":"2026-07-05T11:45:55Z"}],"graph_snapshots":[{"event_id":"sha256:1439108ac8b653cb5b6bcdb2dcba42471895be56e343164f731c1115379bfdef","target":"graph","created_at":"2026-07-05T11:45:55Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2501.18345/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"To investigate spectra of kilonovae in the NLTE phase (t>= 1 week), we perform atomic calculations for dielectronic recombination (DR) rates for the light r-process elements Se (Z = 34), Rb (Z = 37), Sr (Z = 38), Y (Z = 39), and Zr (Z = 40) using the HULLAC code. For the different elements, our results for the DR rate coefficients for recombining from the ionization states of II to I, III to II, and IV to III vary between 2x10^{-12} - 5x10^{-11} cm^3/s, 10^{-13} - 5x10^{-11} cm^3/s and 2x10^{-15} - 10^{-11} cm^3/s, respectively, at a temperature of T = 10,000 K. Using this new atomic data (DR)","authors_text":"Anders Jerkstrand, Jon Grumer, Niamh Ferguson, Nigel Badnell, Quentin Pognan, Smaranika Banerjee","cross_cats":["physics.atom-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-01-30T13:48:48Z","title":"Nebular spectra of kilonovae with detailed recombination rates -- I. Light r-process composition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.18345","kind":"arxiv","version":3},"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:baaeb4613b1dbde757b174d42c9d11a366e0909e225dab6bedbe13006626b536","target":"record","created_at":"2026-07-05T11:45:55Z","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":"5eb819ff8e0c2b7ab742baf04126c40d386aaa6316a8ba0981d42f701820040c","cross_cats_sorted":["physics.atom-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-01-30T13:48:48Z","title_canon_sha256":"834306afdead66be78f85aadaacf5780b9dcc390a9b66e8dc4f6de861373eec7"},"schema_version":"1.0","source":{"id":"2501.18345","kind":"arxiv","version":3}},"canonical_sha256":"5dd3c26cb80d810eb4a5d5e2b1285eaeb4425ba3075673b9be879103e6cbcd4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5dd3c26cb80d810eb4a5d5e2b1285eaeb4425ba3075673b9be879103e6cbcd4c","first_computed_at":"2026-07-05T11:45:55.686124Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:45:55.686124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"If3hTMU8tGUEKtQln6PcdbbDHrNN7vlnRyU5rxVsHvedi1k/YiNJCLLAlObF6q1AtVbokQcjX0vBOMeSM0M/CA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:45:55.686670Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.18345","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:baaeb4613b1dbde757b174d42c9d11a366e0909e225dab6bedbe13006626b536","sha256:1439108ac8b653cb5b6bcdb2dcba42471895be56e343164f731c1115379bfdef"],"state_sha256":"b7c071ad391f5e28071a5aa08f59eff5ea0e455bd7fefba73c2cc93c85b0a50d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AjHk4RtUrF2PF2boefI9eTbtCOLrDnuz6refRmGPR16Ml9M+K68yPK3wfFi/ROEXbYE+p4/A1tIG23S4RfJ4DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T18:06:04.449657Z","bundle_sha256":"b39e51a83b8a4434c07356484f823fb5dd1e8ad3e943d226ebcba15a6bead0c3"}}