{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:SU5ETAK4IN6LUT6G7NPUCUYVAE","short_pith_number":"pith:SU5ETAK4","canonical_record":{"source":{"id":"1111.2844","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-11T20:31:02Z","cross_cats_sorted":[],"title_canon_sha256":"5554f9b51f2ccef7533f87d5c41f4e25dab06c728b558fa5b37e06a235c301fa","abstract_canon_sha256":"ca012d238013363472c1d39b9b7df85f2e7c6c5aae26eb0229b5bbe8fea1b786"},"schema_version":"1.0"},"canonical_sha256":"953a49815c437cba4fc6fb5f41531501265007a172b58fa33503dedadc81067a","source":{"kind":"arxiv","id":"1111.2844","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.2844","created_at":"2026-05-18T01:59:40Z"},{"alias_kind":"arxiv_version","alias_value":"1111.2844v1","created_at":"2026-05-18T01:59:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.2844","created_at":"2026-05-18T01:59:40Z"},{"alias_kind":"pith_short_12","alias_value":"SU5ETAK4IN6L","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"SU5ETAK4IN6LUT6G","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"SU5ETAK4","created_at":"2026-05-18T12:26:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:SU5ETAK4IN6LUT6G7NPUCUYVAE","target":"record","payload":{"canonical_record":{"source":{"id":"1111.2844","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-11T20:31:02Z","cross_cats_sorted":[],"title_canon_sha256":"5554f9b51f2ccef7533f87d5c41f4e25dab06c728b558fa5b37e06a235c301fa","abstract_canon_sha256":"ca012d238013363472c1d39b9b7df85f2e7c6c5aae26eb0229b5bbe8fea1b786"},"schema_version":"1.0"},"canonical_sha256":"953a49815c437cba4fc6fb5f41531501265007a172b58fa33503dedadc81067a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:40.003066Z","signature_b64":"72RXJAOW1rHgNi7BoCHsACK+2VAfxCJ76q5dIbxJcALNXQId8YaiTGzCQfHuuW6gE/HJpG3JIQWhMhPhPZ8lDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"953a49815c437cba4fc6fb5f41531501265007a172b58fa33503dedadc81067a","last_reissued_at":"2026-05-18T01:59:40.002536Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:40.002536Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.2844","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":"2026-05-18T01:59:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i0jo+3Ong2alLRrN/7GRb4KGDpDrVDo9Etra+TA6qsGSoDQtkQ2HjTj74YcaAF/dYitFMpkVLb0WBbBfKTwoCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:29:26.975954Z"},"content_sha256":"238c0578a9d81e3bd07baf88a745c6bc785191e2af78b238fc82946ab4863ea0","schema_version":"1.0","event_id":"sha256:238c0578a9d81e3bd07baf88a745c6bc785191e2af78b238fc82946ab4863ea0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:SU5ETAK4IN6LUT6G7NPUCUYVAE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysis of two SMC HII Regions Considering Thermal Inhomogeneities: Implications for the Determinations of Extragalactic Chemical Abundances","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Antonio Peimbert, Manuel Peimbert, Maria A. Pe\\~na-Guerrero, Maria T. Ruiz","submitted_at":"2011-11-11T20:31:02Z","abstract_excerpt":"We present long slit spectrophotometry considering the presence of thermal inhomogeneities (t^2) of two HII regions in the Small Magellanic Cloud (SMC): NGC 456 and NGC 460. Physical conditions and chemical abundances were determined for three positions in NGC 456 and one position in NGC 460, first under the assumption of uniform temperature and then allowing for the possibility of thermal inhomogeneities. We determined t^2 values based on three different methods: i) by comparing the temperature derived using oxygen forbidden lines with the temperature derived using helium recombination lines,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.2844","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":"2026-05-18T01:59:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q+l8FCYlYIoWZGe5xuP36+KyMPORow4URQ/YNwPWxNHPH6SLeNVZzDLJo1GX1RlnCVyVqCOrZyyms3yO3NB6Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:29:26.976519Z"},"content_sha256":"714826ad49bb9296f04c48644457e2b88d4e9dd59dfb687958e5f8beb8df8ee8","schema_version":"1.0","event_id":"sha256:714826ad49bb9296f04c48644457e2b88d4e9dd59dfb687958e5f8beb8df8ee8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SU5ETAK4IN6LUT6G7NPUCUYVAE/bundle.json","state_url":"https://pith.science/pith/SU5ETAK4IN6LUT6G7NPUCUYVAE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SU5ETAK4IN6LUT6G7NPUCUYVAE/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":"2026-06-05T15:29:26Z","links":{"resolver":"https://pith.science/pith/SU5ETAK4IN6LUT6G7NPUCUYVAE","bundle":"https://pith.science/pith/SU5ETAK4IN6LUT6G7NPUCUYVAE/bundle.json","state":"https://pith.science/pith/SU5ETAK4IN6LUT6G7NPUCUYVAE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SU5ETAK4IN6LUT6G7NPUCUYVAE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:SU5ETAK4IN6LUT6G7NPUCUYVAE","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":"ca012d238013363472c1d39b9b7df85f2e7c6c5aae26eb0229b5bbe8fea1b786","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-11T20:31:02Z","title_canon_sha256":"5554f9b51f2ccef7533f87d5c41f4e25dab06c728b558fa5b37e06a235c301fa"},"schema_version":"1.0","source":{"id":"1111.2844","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.2844","created_at":"2026-05-18T01:59:40Z"},{"alias_kind":"arxiv_version","alias_value":"1111.2844v1","created_at":"2026-05-18T01:59:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.2844","created_at":"2026-05-18T01:59:40Z"},{"alias_kind":"pith_short_12","alias_value":"SU5ETAK4IN6L","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"SU5ETAK4IN6LUT6G","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"SU5ETAK4","created_at":"2026-05-18T12:26:41Z"}],"graph_snapshots":[{"event_id":"sha256:714826ad49bb9296f04c48644457e2b88d4e9dd59dfb687958e5f8beb8df8ee8","target":"graph","created_at":"2026-05-18T01:59:40Z","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 long slit spectrophotometry considering the presence of thermal inhomogeneities (t^2) of two HII regions in the Small Magellanic Cloud (SMC): NGC 456 and NGC 460. Physical conditions and chemical abundances were determined for three positions in NGC 456 and one position in NGC 460, first under the assumption of uniform temperature and then allowing for the possibility of thermal inhomogeneities. We determined t^2 values based on three different methods: i) by comparing the temperature derived using oxygen forbidden lines with the temperature derived using helium recombination lines,","authors_text":"Antonio Peimbert, Manuel Peimbert, Maria A. Pe\\~na-Guerrero, Maria T. Ruiz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-11T20:31:02Z","title":"Analysis of two SMC HII Regions Considering Thermal Inhomogeneities: Implications for the Determinations of Extragalactic Chemical Abundances"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.2844","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":"sha256:238c0578a9d81e3bd07baf88a745c6bc785191e2af78b238fc82946ab4863ea0","target":"record","created_at":"2026-05-18T01:59:40Z","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":"ca012d238013363472c1d39b9b7df85f2e7c6c5aae26eb0229b5bbe8fea1b786","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-11T20:31:02Z","title_canon_sha256":"5554f9b51f2ccef7533f87d5c41f4e25dab06c728b558fa5b37e06a235c301fa"},"schema_version":"1.0","source":{"id":"1111.2844","kind":"arxiv","version":1}},"canonical_sha256":"953a49815c437cba4fc6fb5f41531501265007a172b58fa33503dedadc81067a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"953a49815c437cba4fc6fb5f41531501265007a172b58fa33503dedadc81067a","first_computed_at":"2026-05-18T01:59:40.002536Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:40.002536Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"72RXJAOW1rHgNi7BoCHsACK+2VAfxCJ76q5dIbxJcALNXQId8YaiTGzCQfHuuW6gE/HJpG3JIQWhMhPhPZ8lDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:40.003066Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.2844","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:238c0578a9d81e3bd07baf88a745c6bc785191e2af78b238fc82946ab4863ea0","sha256:714826ad49bb9296f04c48644457e2b88d4e9dd59dfb687958e5f8beb8df8ee8"],"state_sha256":"20a377d6c3a942de66cd5d338d40316fff5945485830aa1170fe16587552a61d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RaVp6lpPGV8IUqstQGKuBiBQGCyB7VA3eXkG7uVPcUbhZ8Ld1Cs70koezlhfc4Wi/W9fmfP/X0oDpiuJkDwECQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T15:29:26.979188Z","bundle_sha256":"6c12638a72d80fdfe5d80948e336888c4a78c7ff02796a787a6a99ad8ab58f59"}}