{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:TU2RPMMDSQ6RORRKWJSNBXRSZE","short_pith_number":"pith:TU2RPMMD","canonical_record":{"source":{"id":"1111.4462","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-18T19:38:32Z","cross_cats_sorted":[],"title_canon_sha256":"34ffb76171984b2abf8acdc904e320a1a0ba73c19da3837edecd97e39b49e71f","abstract_canon_sha256":"947fbcf66f72e1b3cdfd04c8506e0075be101c9dbb09ba2b7bd2ce473f741edd"},"schema_version":"1.0"},"canonical_sha256":"9d3517b183943d17462ab264d0de32c920f678fd44b44c4d4b4004ca5e1842cd","source":{"kind":"arxiv","id":"1111.4462","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.4462","created_at":"2026-05-18T01:59:29Z"},{"alias_kind":"arxiv_version","alias_value":"1111.4462v1","created_at":"2026-05-18T01:59:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.4462","created_at":"2026-05-18T01:59:29Z"},{"alias_kind":"pith_short_12","alias_value":"TU2RPMMDSQ6R","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TU2RPMMDSQ6RORRK","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TU2RPMMD","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:TU2RPMMDSQ6RORRKWJSNBXRSZE","target":"record","payload":{"canonical_record":{"source":{"id":"1111.4462","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-18T19:38:32Z","cross_cats_sorted":[],"title_canon_sha256":"34ffb76171984b2abf8acdc904e320a1a0ba73c19da3837edecd97e39b49e71f","abstract_canon_sha256":"947fbcf66f72e1b3cdfd04c8506e0075be101c9dbb09ba2b7bd2ce473f741edd"},"schema_version":"1.0"},"canonical_sha256":"9d3517b183943d17462ab264d0de32c920f678fd44b44c4d4b4004ca5e1842cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:29.100063Z","signature_b64":"g309RsHhN9EXRJGB+5qOtU0jb2t13OcWl7Ztl7RSV3Kwmn74Jkpk7D0/V9h1/gvqweKkWB9P9l6b/39CKlhdAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d3517b183943d17462ab264d0de32c920f678fd44b44c4d4b4004ca5e1842cd","last_reissued_at":"2026-05-18T01:59:29.099461Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:29.099461Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.4462","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":"2026-05-18T01:59:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TwyIiu3h9bB1Aca3X9OsRoIyXamuNYhqyIbkxgw97/jCACr6KrJksDrbgpdAz8B94SZ/VKY/nlip2Z1sw1bGDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:47:34.896088Z"},"content_sha256":"aea994a2a79bba63d87fe585be645137004391cc162b860d15158f5d1e16979e","schema_version":"1.0","event_id":"sha256:aea994a2a79bba63d87fe585be645137004391cc162b860d15158f5d1e16979e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:TU2RPMMDSQ6RORRKWJSNBXRSZE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The SEDs of Interacting Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andreas Zezas, Christopher C. Hayward, Christopher Klein, Elisabete da Cunha, Giovanni Fazio, Howard A. Smith, Lars Hernquist, Lauranne Lanz, Matthew L. N. Ashby, Nicola Brassington, Patrik Jonsson","submitted_at":"2011-11-18T19:38:32Z","abstract_excerpt":"The evolution of galaxies is greatly influenced by their interactions. As part of a program to study interacting galaxies, we have measured and modeled the spectral energy distri- butions (SEDs) from the ultraviolet (UV) to the far-infrared (FIR). We describe the constraints imposed on star formation histories by these SEDs, and the variations therein seen across the interaction sequence, and we compare the results of different star formation rate prescriptions applied to the data. The sample itself is based on the Spitzer Interacting Galaxy Survey (SIGS) of 111 galaxies in 50 systems, a proje"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.4462","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":"2026-05-18T01:59:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7lqZwv4J2drnEDjFMzs4uSlkF913GhKSuM/zZzF2uomUqFPQf7ZgXooh+6DlbCX4Z9ZSHp4AfVp/KGWbW4q3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:47:34.896763Z"},"content_sha256":"86156cb0f4315da1f3bf7a5da619ef597dadb8262567eb8aa9cff8c587e59f87","schema_version":"1.0","event_id":"sha256:86156cb0f4315da1f3bf7a5da619ef597dadb8262567eb8aa9cff8c587e59f87"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TU2RPMMDSQ6RORRKWJSNBXRSZE/bundle.json","state_url":"https://pith.science/pith/TU2RPMMDSQ6RORRKWJSNBXRSZE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TU2RPMMDSQ6RORRKWJSNBXRSZE/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":"2026-05-25T21:47:34Z","links":{"resolver":"https://pith.science/pith/TU2RPMMDSQ6RORRKWJSNBXRSZE","bundle":"https://pith.science/pith/TU2RPMMDSQ6RORRKWJSNBXRSZE/bundle.json","state":"https://pith.science/pith/TU2RPMMDSQ6RORRKWJSNBXRSZE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TU2RPMMDSQ6RORRKWJSNBXRSZE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:TU2RPMMDSQ6RORRKWJSNBXRSZE","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":"947fbcf66f72e1b3cdfd04c8506e0075be101c9dbb09ba2b7bd2ce473f741edd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-18T19:38:32Z","title_canon_sha256":"34ffb76171984b2abf8acdc904e320a1a0ba73c19da3837edecd97e39b49e71f"},"schema_version":"1.0","source":{"id":"1111.4462","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.4462","created_at":"2026-05-18T01:59:29Z"},{"alias_kind":"arxiv_version","alias_value":"1111.4462v1","created_at":"2026-05-18T01:59:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.4462","created_at":"2026-05-18T01:59:29Z"},{"alias_kind":"pith_short_12","alias_value":"TU2RPMMDSQ6R","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TU2RPMMDSQ6RORRK","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TU2RPMMD","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:86156cb0f4315da1f3bf7a5da619ef597dadb8262567eb8aa9cff8c587e59f87","target":"graph","created_at":"2026-05-18T01:59:29Z","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":"The evolution of galaxies is greatly influenced by their interactions. As part of a program to study interacting galaxies, we have measured and modeled the spectral energy distri- butions (SEDs) from the ultraviolet (UV) to the far-infrared (FIR). We describe the constraints imposed on star formation histories by these SEDs, and the variations therein seen across the interaction sequence, and we compare the results of different star formation rate prescriptions applied to the data. The sample itself is based on the Spitzer Interacting Galaxy Survey (SIGS) of 111 galaxies in 50 systems, a proje","authors_text":"Andreas Zezas, Christopher C. Hayward, Christopher Klein, Elisabete da Cunha, Giovanni Fazio, Howard A. Smith, Lars Hernquist, Lauranne Lanz, Matthew L. N. Ashby, Nicola Brassington, Patrik Jonsson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-18T19:38:32Z","title":"The SEDs of Interacting Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.4462","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:aea994a2a79bba63d87fe585be645137004391cc162b860d15158f5d1e16979e","target":"record","created_at":"2026-05-18T01:59:29Z","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":"947fbcf66f72e1b3cdfd04c8506e0075be101c9dbb09ba2b7bd2ce473f741edd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-18T19:38:32Z","title_canon_sha256":"34ffb76171984b2abf8acdc904e320a1a0ba73c19da3837edecd97e39b49e71f"},"schema_version":"1.0","source":{"id":"1111.4462","kind":"arxiv","version":1}},"canonical_sha256":"9d3517b183943d17462ab264d0de32c920f678fd44b44c4d4b4004ca5e1842cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d3517b183943d17462ab264d0de32c920f678fd44b44c4d4b4004ca5e1842cd","first_computed_at":"2026-05-18T01:59:29.099461Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:29.099461Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"g309RsHhN9EXRJGB+5qOtU0jb2t13OcWl7Ztl7RSV3Kwmn74Jkpk7D0/V9h1/gvqweKkWB9P9l6b/39CKlhdAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:29.100063Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.4462","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aea994a2a79bba63d87fe585be645137004391cc162b860d15158f5d1e16979e","sha256:86156cb0f4315da1f3bf7a5da619ef597dadb8262567eb8aa9cff8c587e59f87"],"state_sha256":"1d0de5836f361b917a59096edcecafbc25f65b03a7f6f30b0a8c4a416ff472d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZFKPSdh+lmYuPaaH6F6sEsflJAwVcOacAZGksbGMNpGlolRpRzJszY1H3pns3S4tztbAVAcK6JKVqXZA3BUbAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:47:34.900620Z","bundle_sha256":"24891b9a54d28ae303770e0c7442932161463eba7aafd6a2e66b0bb50dfbf7f4"}}