{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:OLKJXLQOHGA4KEF7OBPRJOM2VS","short_pith_number":"pith:OLKJXLQO","canonical_record":{"source":{"id":"1001.5271","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-28T21:09:39Z","cross_cats_sorted":[],"title_canon_sha256":"bd956713e02d8ce0f0b3ce20fe95cf68290ff5e679561a9c375b610c1ca0e489","abstract_canon_sha256":"4fa26d9b32fd346dafd4f8c183478256f2901d16c3c562acbf4c82aba23e0f65"},"schema_version":"1.0"},"canonical_sha256":"72d49bae0e3981c510bf705f14b99aacb611a966ef6c5792c5401bc8329260f7","source":{"kind":"arxiv","id":"1001.5271","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.5271","created_at":"2026-05-18T02:09:22Z"},{"alias_kind":"arxiv_version","alias_value":"1001.5271v1","created_at":"2026-05-18T02:09:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.5271","created_at":"2026-05-18T02:09:22Z"},{"alias_kind":"pith_short_12","alias_value":"OLKJXLQOHGA4","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OLKJXLQOHGA4KEF7","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OLKJXLQO","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:OLKJXLQOHGA4KEF7OBPRJOM2VS","target":"record","payload":{"canonical_record":{"source":{"id":"1001.5271","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-28T21:09:39Z","cross_cats_sorted":[],"title_canon_sha256":"bd956713e02d8ce0f0b3ce20fe95cf68290ff5e679561a9c375b610c1ca0e489","abstract_canon_sha256":"4fa26d9b32fd346dafd4f8c183478256f2901d16c3c562acbf4c82aba23e0f65"},"schema_version":"1.0"},"canonical_sha256":"72d49bae0e3981c510bf705f14b99aacb611a966ef6c5792c5401bc8329260f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:22.447878Z","signature_b64":"v2aCEoGA//t6XSBGtsQyOmxk0oXb8nOY0u/qmkxakcLFpiEs2wfTBqBeMDrBFgif0hxpg5jjLrWRVc8bMDb2CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72d49bae0e3981c510bf705f14b99aacb611a966ef6c5792c5401bc8329260f7","last_reissued_at":"2026-05-18T02:09:22.446908Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:22.446908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.5271","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":"2026-05-18T02:09:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZEwGUiUxgjKEZ3McCf9ZdX5mXCi5mGyxy1wervaM0eWU+3qxvGjzdA/4Og6KESo27xlOIZ0TmlUfgOLBg/kIAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:04:21.551814Z"},"content_sha256":"a43f9a369b0bef5000e45aa301e689c957c2af077e177aaf18265d21a2106431","schema_version":"1.0","event_id":"sha256:a43f9a369b0bef5000e45aa301e689c957c2af077e177aaf18265d21a2106431"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:OLKJXLQOHGA4KEF7OBPRJOM2VS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The stellar populations of the AGN/Starburst galaxy NGC7582","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) Gemini Observatory, (3) UFSC), A. Garcia-Rissmann (2), J.E. Steiner (1), R.B. Menezes (1), R. Cid Fernandes (3) ((1) IAG-USP, T.V. Ricci (1)","submitted_at":"2010-01-28T21:09:39Z","abstract_excerpt":"NGC 7582 is defined as a Starburst/AGN galaxy, since its optical and X-Ray spectra reveal both characteristics. In this work, we show the results of a stellar population modeling in a datacube taken with the Gemini South telescope. We found that $\\sim$ 90% of the light in the field of view is emitted by stars that are less than 1 billion years old. A strong burst occurred about $\\sim$ 6 million years ago and has nearly solar metallicity. We also found a Wolf-Rayet cluster."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.5271","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":"2026-05-18T02:09:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RmXRazYSWLTIhcD3MqsaWc7keEW2sRo3Q9DmlJqEtFQNLb4l1K4m5eh89yDZkzVhxnbCzmAjb+DQSvIrrIrMCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:04:21.552265Z"},"content_sha256":"0170e9e9215851f6ada8684d9249982ba889aa6c3fbd0f890b9b76bb9e514c92","schema_version":"1.0","event_id":"sha256:0170e9e9215851f6ada8684d9249982ba889aa6c3fbd0f890b9b76bb9e514c92"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OLKJXLQOHGA4KEF7OBPRJOM2VS/bundle.json","state_url":"https://pith.science/pith/OLKJXLQOHGA4KEF7OBPRJOM2VS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OLKJXLQOHGA4KEF7OBPRJOM2VS/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":"2026-06-06T19:04:21Z","links":{"resolver":"https://pith.science/pith/OLKJXLQOHGA4KEF7OBPRJOM2VS","bundle":"https://pith.science/pith/OLKJXLQOHGA4KEF7OBPRJOM2VS/bundle.json","state":"https://pith.science/pith/OLKJXLQOHGA4KEF7OBPRJOM2VS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OLKJXLQOHGA4KEF7OBPRJOM2VS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:OLKJXLQOHGA4KEF7OBPRJOM2VS","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":"4fa26d9b32fd346dafd4f8c183478256f2901d16c3c562acbf4c82aba23e0f65","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-28T21:09:39Z","title_canon_sha256":"bd956713e02d8ce0f0b3ce20fe95cf68290ff5e679561a9c375b610c1ca0e489"},"schema_version":"1.0","source":{"id":"1001.5271","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.5271","created_at":"2026-05-18T02:09:22Z"},{"alias_kind":"arxiv_version","alias_value":"1001.5271v1","created_at":"2026-05-18T02:09:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.5271","created_at":"2026-05-18T02:09:22Z"},{"alias_kind":"pith_short_12","alias_value":"OLKJXLQOHGA4","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"OLKJXLQOHGA4KEF7","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"OLKJXLQO","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:0170e9e9215851f6ada8684d9249982ba889aa6c3fbd0f890b9b76bb9e514c92","target":"graph","created_at":"2026-05-18T02:09:22Z","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":"NGC 7582 is defined as a Starburst/AGN galaxy, since its optical and X-Ray spectra reveal both characteristics. In this work, we show the results of a stellar population modeling in a datacube taken with the Gemini South telescope. We found that $\\sim$ 90% of the light in the field of view is emitted by stars that are less than 1 billion years old. A strong burst occurred about $\\sim$ 6 million years ago and has nearly solar metallicity. We also found a Wolf-Rayet cluster.","authors_text":"(2) Gemini Observatory, (3) UFSC), A. Garcia-Rissmann (2), J.E. Steiner (1), R.B. Menezes (1), R. Cid Fernandes (3) ((1) IAG-USP, T.V. Ricci (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-28T21:09:39Z","title":"The stellar populations of the AGN/Starburst galaxy NGC7582"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.5271","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:a43f9a369b0bef5000e45aa301e689c957c2af077e177aaf18265d21a2106431","target":"record","created_at":"2026-05-18T02:09:22Z","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":"4fa26d9b32fd346dafd4f8c183478256f2901d16c3c562acbf4c82aba23e0f65","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-28T21:09:39Z","title_canon_sha256":"bd956713e02d8ce0f0b3ce20fe95cf68290ff5e679561a9c375b610c1ca0e489"},"schema_version":"1.0","source":{"id":"1001.5271","kind":"arxiv","version":1}},"canonical_sha256":"72d49bae0e3981c510bf705f14b99aacb611a966ef6c5792c5401bc8329260f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72d49bae0e3981c510bf705f14b99aacb611a966ef6c5792c5401bc8329260f7","first_computed_at":"2026-05-18T02:09:22.446908Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:09:22.446908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v2aCEoGA//t6XSBGtsQyOmxk0oXb8nOY0u/qmkxakcLFpiEs2wfTBqBeMDrBFgif0hxpg5jjLrWRVc8bMDb2CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:09:22.447878Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.5271","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a43f9a369b0bef5000e45aa301e689c957c2af077e177aaf18265d21a2106431","sha256:0170e9e9215851f6ada8684d9249982ba889aa6c3fbd0f890b9b76bb9e514c92"],"state_sha256":"adcd9c413d60973c4042c73278f6565e30564b46946ec1a522fb24cf6babbe1d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ht2bv8yynOk93Jox9x9On/kXQUIVrR+AvkZg+AdB4k438J7hIHbQhZT6aNNz0FQDRf38xVZpbkfLPC6ZRPHjAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T19:04:21.554816Z","bundle_sha256":"88a6ab669c6f440a83bff66a55fb7f2f9f70e7ea41b5ecedf9bf261d8213abba"}}