{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:3XNHCHEDYKVJW7E2RTLDQG2ZQ4","short_pith_number":"pith:3XNHCHED","canonical_record":{"source":{"id":"1110.4105","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-10-18T20:00:00Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"5e0b118b46104af24b7bc0f0932baff6acf27293d8854d3b012367f78ea66ca2","abstract_canon_sha256":"367ad2402d1e200f0520becc8d83e741801602faf8308a5b9a6b8df245acc161"},"schema_version":"1.0"},"canonical_sha256":"ddda711c83c2aa9b7c9a8cd6381b59871bdeb46a00237547dee806f851663ffa","source":{"kind":"arxiv","id":"1110.4105","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.4105","created_at":"2026-05-18T02:00:09Z"},{"alias_kind":"arxiv_version","alias_value":"1110.4105v1","created_at":"2026-05-18T02:00:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.4105","created_at":"2026-05-18T02:00:09Z"},{"alias_kind":"pith_short_12","alias_value":"3XNHCHEDYKVJ","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"3XNHCHEDYKVJW7E2","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"3XNHCHED","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:3XNHCHEDYKVJW7E2RTLDQG2ZQ4","target":"record","payload":{"canonical_record":{"source":{"id":"1110.4105","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-10-18T20:00:00Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"5e0b118b46104af24b7bc0f0932baff6acf27293d8854d3b012367f78ea66ca2","abstract_canon_sha256":"367ad2402d1e200f0520becc8d83e741801602faf8308a5b9a6b8df245acc161"},"schema_version":"1.0"},"canonical_sha256":"ddda711c83c2aa9b7c9a8cd6381b59871bdeb46a00237547dee806f851663ffa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:09.032879Z","signature_b64":"rdgH6wkleEdjnI60e1ive0+xZ+tvUl78yECbJOnHa7+/oggZq4pOp4BXG5UD3MJseYFYONUWQZNnDG5n9hKTDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ddda711c83c2aa9b7c9a8cd6381b59871bdeb46a00237547dee806f851663ffa","last_reissued_at":"2026-05-18T02:00:09.032158Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:09.032158Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.4105","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":"2026-05-18T02:00:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qrppY+k9JEYsw1NGidrmccqSmYebWVxxnpL74oojNNzrXLxIPYq63nHmAc3FX7TJ3DwH59MeQBiRBnO467OOBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:23:24.867135Z"},"content_sha256":"9349460db24526bb111591c46b199397e50a25aa2430e38ae4eb2ff2ae905126","schema_version":"1.0","event_id":"sha256:9349460db24526bb111591c46b199397e50a25aa2430e38ae4eb2ff2ae905126"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:3XNHCHEDYKVJW7E2RTLDQG2ZQ4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Toward a Unification of Star Formation Rate Determinations in the Milky Way and Other Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Laura Chomiuk, Matthew S. Povich","submitted_at":"2011-10-18T20:00:00Z","abstract_excerpt":"The star formation rate (SFR) of the Milky Way remains poorly known, with often-quoted values ranging from 1 to 10 solar masses per year. This situation persists despite the potential for the Milky Way to serve as the ultimate SFR calibrator for external galaxies. We show that various estimates for the Galactic SFR are consistent with one another once they have been normalized to the same initial mass function (IMF) and massive star models, converging to 1.9 +/- 0.4 M_sun/yr. However, standard SFR diagnostics are vulnerable to systematics founded in the use of indirect observational tracers se"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.4105","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":"2026-05-18T02:00:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cMwRYS9aMvL+DMkqGdXPL0hPWOstDQfbRKB9iRVVqGEDOS+nh2TUMIXEZgkjmqf1k7vUXdicld42gs+4Yh4uDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:23:24.867840Z"},"content_sha256":"a107b3e075245ce6861f69c63910863b736deaba28fb3b7b82f03ee74b3f4324","schema_version":"1.0","event_id":"sha256:a107b3e075245ce6861f69c63910863b736deaba28fb3b7b82f03ee74b3f4324"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3XNHCHEDYKVJW7E2RTLDQG2ZQ4/bundle.json","state_url":"https://pith.science/pith/3XNHCHEDYKVJW7E2RTLDQG2ZQ4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3XNHCHEDYKVJW7E2RTLDQG2ZQ4/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":"2026-05-26T01:23:24Z","links":{"resolver":"https://pith.science/pith/3XNHCHEDYKVJW7E2RTLDQG2ZQ4","bundle":"https://pith.science/pith/3XNHCHEDYKVJW7E2RTLDQG2ZQ4/bundle.json","state":"https://pith.science/pith/3XNHCHEDYKVJW7E2RTLDQG2ZQ4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3XNHCHEDYKVJW7E2RTLDQG2ZQ4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:3XNHCHEDYKVJW7E2RTLDQG2ZQ4","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":"367ad2402d1e200f0520becc8d83e741801602faf8308a5b9a6b8df245acc161","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-10-18T20:00:00Z","title_canon_sha256":"5e0b118b46104af24b7bc0f0932baff6acf27293d8854d3b012367f78ea66ca2"},"schema_version":"1.0","source":{"id":"1110.4105","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.4105","created_at":"2026-05-18T02:00:09Z"},{"alias_kind":"arxiv_version","alias_value":"1110.4105v1","created_at":"2026-05-18T02:00:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.4105","created_at":"2026-05-18T02:00:09Z"},{"alias_kind":"pith_short_12","alias_value":"3XNHCHEDYKVJ","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"3XNHCHEDYKVJW7E2","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"3XNHCHED","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:a107b3e075245ce6861f69c63910863b736deaba28fb3b7b82f03ee74b3f4324","target":"graph","created_at":"2026-05-18T02:00:09Z","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 star formation rate (SFR) of the Milky Way remains poorly known, with often-quoted values ranging from 1 to 10 solar masses per year. This situation persists despite the potential for the Milky Way to serve as the ultimate SFR calibrator for external galaxies. We show that various estimates for the Galactic SFR are consistent with one another once they have been normalized to the same initial mass function (IMF) and massive star models, converging to 1.9 +/- 0.4 M_sun/yr. However, standard SFR diagnostics are vulnerable to systematics founded in the use of indirect observational tracers se","authors_text":"Laura Chomiuk, Matthew S. Povich","cross_cats":["astro-ph.CO","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-10-18T20:00:00Z","title":"Toward a Unification of Star Formation Rate Determinations in the Milky Way and Other Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.4105","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":"sha256:9349460db24526bb111591c46b199397e50a25aa2430e38ae4eb2ff2ae905126","target":"record","created_at":"2026-05-18T02:00:09Z","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":"367ad2402d1e200f0520becc8d83e741801602faf8308a5b9a6b8df245acc161","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-10-18T20:00:00Z","title_canon_sha256":"5e0b118b46104af24b7bc0f0932baff6acf27293d8854d3b012367f78ea66ca2"},"schema_version":"1.0","source":{"id":"1110.4105","kind":"arxiv","version":1}},"canonical_sha256":"ddda711c83c2aa9b7c9a8cd6381b59871bdeb46a00237547dee806f851663ffa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ddda711c83c2aa9b7c9a8cd6381b59871bdeb46a00237547dee806f851663ffa","first_computed_at":"2026-05-18T02:00:09.032158Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:09.032158Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rdgH6wkleEdjnI60e1ive0+xZ+tvUl78yECbJOnHa7+/oggZq4pOp4BXG5UD3MJseYFYONUWQZNnDG5n9hKTDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:09.032879Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.4105","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9349460db24526bb111591c46b199397e50a25aa2430e38ae4eb2ff2ae905126","sha256:a107b3e075245ce6861f69c63910863b736deaba28fb3b7b82f03ee74b3f4324"],"state_sha256":"41f2aacefbea50a8a329f30832c1bb7df2cbdf71943c1b560db218e3c8b66865"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ovsiWM1+X1LG1D7wxGNjoMRzZy/XhmvWpL5nDIS1GZkAPf+GaBZ69vwLeFRSpXF1B0HIh5ql0agIr2NozNdrBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T01:23:24.871365Z","bundle_sha256":"b003a5b8c917f2ebe60efd06e536ae201775ce67dfe46a4f6c508a19e03c86d6"}}