{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:6H7W4CTTCUM6BKKBTK7TLNPTNI","short_pith_number":"pith:6H7W4CTT","canonical_record":{"source":{"id":"1301.7256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-30T15:33:29Z","cross_cats_sorted":[],"title_canon_sha256":"9a1db7eeeb6c6c53dbcb3928d1f83a7f2ef62108621ae2d7efdf158dcb0857f1","abstract_canon_sha256":"c4cc98421ec7bcf68eb53f6bd0daf952f9960b1c95671c6a532e30c42523f8ce"},"schema_version":"1.0"},"canonical_sha256":"f1ff6e0a731519e0a9419abf35b5f36a1d713ed923dc5a072f81410dc89a61fb","source":{"kind":"arxiv","id":"1301.7256","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.7256","created_at":"2026-05-18T01:51:57Z"},{"alias_kind":"arxiv_version","alias_value":"1301.7256v1","created_at":"2026-05-18T01:51:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.7256","created_at":"2026-05-18T01:51:57Z"},{"alias_kind":"pith_short_12","alias_value":"6H7W4CTTCUM6","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6H7W4CTTCUM6BKKB","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6H7W4CTT","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:6H7W4CTTCUM6BKKBTK7TLNPTNI","target":"record","payload":{"canonical_record":{"source":{"id":"1301.7256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-30T15:33:29Z","cross_cats_sorted":[],"title_canon_sha256":"9a1db7eeeb6c6c53dbcb3928d1f83a7f2ef62108621ae2d7efdf158dcb0857f1","abstract_canon_sha256":"c4cc98421ec7bcf68eb53f6bd0daf952f9960b1c95671c6a532e30c42523f8ce"},"schema_version":"1.0"},"canonical_sha256":"f1ff6e0a731519e0a9419abf35b5f36a1d713ed923dc5a072f81410dc89a61fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:57.084903Z","signature_b64":"7l1gs//4b0aMxsjKr0Emzszr5Q2QUbjA/hmLBTmaG6GjiuBznSRuxZkWFd6hvYL0D3VgSoDTnpRJ0Zl1Sbp7Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1ff6e0a731519e0a9419abf35b5f36a1d713ed923dc5a072f81410dc89a61fb","last_reissued_at":"2026-05-18T01:51:57.084380Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:57.084380Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.7256","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":"2026-05-18T01:51:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+45gI4AHxDSEjxbWyBlECTpdZh8rgYft/u76TVsWlMTzsvlEGIZOQuU5AvzIQVqTyRn3dKu+sBMMKQ/9/2EKAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T07:46:12.192513Z"},"content_sha256":"cfd54b7540717f6ac2de5137366a05a3f2b427845bf29cc2ac88d113cab271c1","schema_version":"1.0","event_id":"sha256:cfd54b7540717f6ac2de5137366a05a3f2b427845bf29cc2ac88d113cab271c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:6H7W4CTTCUM6BKKBTK7TLNPTNI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GAUFRE: a tool for an automated determination of atmospheric parameters from spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Andrea Miglio, Luca Fossati, Marica Valentini, Thierry Morel, Ulisse Munari","submitted_at":"2013-01-30T15:33:29Z","abstract_excerpt":"We present an automated tool for measuring atmospheric parameters (T_eff, log(g), [Fe/H]) for F-G-K dwarf and giant stars. The tool, called GAUFRE, is written in C++ and composed of several routines: GAUFRE-RV measures radial velocity from spectra via cross-correlation against a synthetic template, GAUFRE-EW measures atmospheric parameters through the classic line-by-line technique and GAUFRE-CHI2 performs a chi^2 fitting to a library of synthetic spectra. A set of F-G-K stars extensively studied in the literature were used as a benchmark for the program: their high signal-to-noise and high re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.7256","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":"2026-05-18T01:51:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9/M087Cyuz/5sXbWv3Wn5U9vZe9owwIuZOXn17oPeEWIe4DA7xOuHDGrvdS3jMnkAbpZni41XthWRGgqogZaCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T07:46:12.192851Z"},"content_sha256":"72fc8a2f94a6543f0663fd8fb8e6bc5b6bd846dd776cc97b79a3c250f6a3a045","schema_version":"1.0","event_id":"sha256:72fc8a2f94a6543f0663fd8fb8e6bc5b6bd846dd776cc97b79a3c250f6a3a045"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6H7W4CTTCUM6BKKBTK7TLNPTNI/bundle.json","state_url":"https://pith.science/pith/6H7W4CTTCUM6BKKBTK7TLNPTNI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6H7W4CTTCUM6BKKBTK7TLNPTNI/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":"2026-06-03T07:46:12Z","links":{"resolver":"https://pith.science/pith/6H7W4CTTCUM6BKKBTK7TLNPTNI","bundle":"https://pith.science/pith/6H7W4CTTCUM6BKKBTK7TLNPTNI/bundle.json","state":"https://pith.science/pith/6H7W4CTTCUM6BKKBTK7TLNPTNI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6H7W4CTTCUM6BKKBTK7TLNPTNI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6H7W4CTTCUM6BKKBTK7TLNPTNI","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":"c4cc98421ec7bcf68eb53f6bd0daf952f9960b1c95671c6a532e30c42523f8ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-30T15:33:29Z","title_canon_sha256":"9a1db7eeeb6c6c53dbcb3928d1f83a7f2ef62108621ae2d7efdf158dcb0857f1"},"schema_version":"1.0","source":{"id":"1301.7256","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.7256","created_at":"2026-05-18T01:51:57Z"},{"alias_kind":"arxiv_version","alias_value":"1301.7256v1","created_at":"2026-05-18T01:51:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.7256","created_at":"2026-05-18T01:51:57Z"},{"alias_kind":"pith_short_12","alias_value":"6H7W4CTTCUM6","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6H7W4CTTCUM6BKKB","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6H7W4CTT","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:72fc8a2f94a6543f0663fd8fb8e6bc5b6bd846dd776cc97b79a3c250f6a3a045","target":"graph","created_at":"2026-05-18T01:51:57Z","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 an automated tool for measuring atmospheric parameters (T_eff, log(g), [Fe/H]) for F-G-K dwarf and giant stars. The tool, called GAUFRE, is written in C++ and composed of several routines: GAUFRE-RV measures radial velocity from spectra via cross-correlation against a synthetic template, GAUFRE-EW measures atmospheric parameters through the classic line-by-line technique and GAUFRE-CHI2 performs a chi^2 fitting to a library of synthetic spectra. A set of F-G-K stars extensively studied in the literature were used as a benchmark for the program: their high signal-to-noise and high re","authors_text":"Andrea Miglio, Luca Fossati, Marica Valentini, Thierry Morel, Ulisse Munari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-30T15:33:29Z","title":"GAUFRE: a tool for an automated determination of atmospheric parameters from spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.7256","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:cfd54b7540717f6ac2de5137366a05a3f2b427845bf29cc2ac88d113cab271c1","target":"record","created_at":"2026-05-18T01:51:57Z","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":"c4cc98421ec7bcf68eb53f6bd0daf952f9960b1c95671c6a532e30c42523f8ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-30T15:33:29Z","title_canon_sha256":"9a1db7eeeb6c6c53dbcb3928d1f83a7f2ef62108621ae2d7efdf158dcb0857f1"},"schema_version":"1.0","source":{"id":"1301.7256","kind":"arxiv","version":1}},"canonical_sha256":"f1ff6e0a731519e0a9419abf35b5f36a1d713ed923dc5a072f81410dc89a61fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1ff6e0a731519e0a9419abf35b5f36a1d713ed923dc5a072f81410dc89a61fb","first_computed_at":"2026-05-18T01:51:57.084380Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:57.084380Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7l1gs//4b0aMxsjKr0Emzszr5Q2QUbjA/hmLBTmaG6GjiuBznSRuxZkWFd6hvYL0D3VgSoDTnpRJ0Zl1Sbp7Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:57.084903Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.7256","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cfd54b7540717f6ac2de5137366a05a3f2b427845bf29cc2ac88d113cab271c1","sha256:72fc8a2f94a6543f0663fd8fb8e6bc5b6bd846dd776cc97b79a3c250f6a3a045"],"state_sha256":"fa30a3752387a8974cac9f24c22a9ab855b6b183452ee914396f3a4c9d85c855"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AePoXF2J3Gh6lb9hMTffb377YuKvOedKscrIREIJYcbSJoyj4IYqfXa7y1rWuG1LwUb33wmsWG4xWxSY8CNABA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T07:46:12.194807Z","bundle_sha256":"5c3d411366ca77213f535d29badd390360fa897434674f603bdc87e9283c590c"}}