{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:PDTNN5YSZHVDCFNKMEMGQH2IVO","short_pith_number":"pith:PDTNN5YS","canonical_record":{"source":{"id":"2206.03528","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-06-07T18:24:19Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"add244d2f32aa4182283161db8b3bb846d1cf9457585878a2c53285ed3d4afc7","abstract_canon_sha256":"0a0174b2c48f3ac051330c7174c60a9c2f4fe25b6f7761f5178f4d2405caad03"},"schema_version":"1.0"},"canonical_sha256":"78e6d6f712c9ea3115aa6118681f48ab9eade8421a738eae5609560738db83ec","source":{"kind":"arxiv","id":"2206.03528","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.03528","created_at":"2026-07-05T04:42:09Z"},{"alias_kind":"arxiv_version","alias_value":"2206.03528v1","created_at":"2026-07-05T04:42:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.03528","created_at":"2026-07-05T04:42:09Z"},{"alias_kind":"pith_short_12","alias_value":"PDTNN5YSZHVD","created_at":"2026-07-05T04:42:09Z"},{"alias_kind":"pith_short_16","alias_value":"PDTNN5YSZHVDCFNK","created_at":"2026-07-05T04:42:09Z"},{"alias_kind":"pith_short_8","alias_value":"PDTNN5YS","created_at":"2026-07-05T04:42:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:PDTNN5YSZHVDCFNKMEMGQH2IVO","target":"record","payload":{"canonical_record":{"source":{"id":"2206.03528","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-06-07T18:24:19Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"add244d2f32aa4182283161db8b3bb846d1cf9457585878a2c53285ed3d4afc7","abstract_canon_sha256":"0a0174b2c48f3ac051330c7174c60a9c2f4fe25b6f7761f5178f4d2405caad03"},"schema_version":"1.0"},"canonical_sha256":"78e6d6f712c9ea3115aa6118681f48ab9eade8421a738eae5609560738db83ec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:42:09.470773Z","signature_b64":"tk1Xv6kM/MqHmu5RJmcfwHFPeAsPaXgyxZ47YhjxGHEUnXafKMz3+BB7bFXSTfR5QNE6pZ1cTPbbbAr3LwxaDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78e6d6f712c9ea3115aa6118681f48ab9eade8421a738eae5609560738db83ec","last_reissued_at":"2026-07-05T04:42:09.470306Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:42:09.470306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.03528","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":"2026-07-05T04:42:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r7XU0bJm65SJrrw0ARFmgvDtzQNgkAPgkLIL7tlWcY8ZXOcFfwvtZVj2Qkz4TMSIfPZl6yQXoZnGIvJfPXnICA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T03:07:37.682885Z"},"content_sha256":"78ad2e60e27f8965b55ee4c18d88f365bd1444ff4487c61570ff3b1d1817033b","schema_version":"1.0","event_id":"sha256:78ad2e60e27f8965b55ee4c18d88f365bd1444ff4487c61570ff3b1d1817033b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:PDTNN5YSZHVDCFNKMEMGQH2IVO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Galactic Distribution of Phosphorus: A Survey of 163 Disk and Halo Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"K. Hawkins, N. R. Hinkel, P. Cargile, S. Janowiecki, T. Nelson, Z. G. Maas","submitted_at":"2022-06-07T18:24:19Z","abstract_excerpt":"Phosphorus (P) is a critical element for life on Earth yet the cosmic production sites of P are relatively uncertain. To understand how P has evolved in the solar neighborhood, we measured abundances for 163 FGK stars over a range of -1.09 $<$ [Fe/H] $<$ 0.47 using observations from the Habitable-zone Planet Finder (HPF) instrument on the Hobby-Eberly Telescope (HET). Atmospheric parameters were calculated by fitting a combination of astrometry, photometry, and Fe I line equivalent widths. Phosphorus abundances were measured by matching synthetic spectra to a P I feature at 10529.52 angstroms."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.03528","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2206.03528/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:42:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V7d5lvtKwgU0NCUF78LxkB/83b8MReaqW/ps5QAwn1OvUrg2VBO5l/ol7YrrtvCKtL04YKNbNZFGo4GM4874Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T03:07:37.683257Z"},"content_sha256":"613def98c4a66a848ccf56df8b313a90f6338e78392666a9db468ab9af32192c","schema_version":"1.0","event_id":"sha256:613def98c4a66a848ccf56df8b313a90f6338e78392666a9db468ab9af32192c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PDTNN5YSZHVDCFNKMEMGQH2IVO/bundle.json","state_url":"https://pith.science/pith/PDTNN5YSZHVDCFNKMEMGQH2IVO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PDTNN5YSZHVDCFNKMEMGQH2IVO/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":"2026-07-25T03:07:37Z","links":{"resolver":"https://pith.science/pith/PDTNN5YSZHVDCFNKMEMGQH2IVO","bundle":"https://pith.science/pith/PDTNN5YSZHVDCFNKMEMGQH2IVO/bundle.json","state":"https://pith.science/pith/PDTNN5YSZHVDCFNKMEMGQH2IVO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PDTNN5YSZHVDCFNKMEMGQH2IVO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:PDTNN5YSZHVDCFNKMEMGQH2IVO","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":"0a0174b2c48f3ac051330c7174c60a9c2f4fe25b6f7761f5178f4d2405caad03","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-06-07T18:24:19Z","title_canon_sha256":"add244d2f32aa4182283161db8b3bb846d1cf9457585878a2c53285ed3d4afc7"},"schema_version":"1.0","source":{"id":"2206.03528","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.03528","created_at":"2026-07-05T04:42:09Z"},{"alias_kind":"arxiv_version","alias_value":"2206.03528v1","created_at":"2026-07-05T04:42:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.03528","created_at":"2026-07-05T04:42:09Z"},{"alias_kind":"pith_short_12","alias_value":"PDTNN5YSZHVD","created_at":"2026-07-05T04:42:09Z"},{"alias_kind":"pith_short_16","alias_value":"PDTNN5YSZHVDCFNK","created_at":"2026-07-05T04:42:09Z"},{"alias_kind":"pith_short_8","alias_value":"PDTNN5YS","created_at":"2026-07-05T04:42:09Z"}],"graph_snapshots":[{"event_id":"sha256:613def98c4a66a848ccf56df8b313a90f6338e78392666a9db468ab9af32192c","target":"graph","created_at":"2026-07-05T04:42:09Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2206.03528/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Phosphorus (P) is a critical element for life on Earth yet the cosmic production sites of P are relatively uncertain. To understand how P has evolved in the solar neighborhood, we measured abundances for 163 FGK stars over a range of -1.09 $<$ [Fe/H] $<$ 0.47 using observations from the Habitable-zone Planet Finder (HPF) instrument on the Hobby-Eberly Telescope (HET). Atmospheric parameters were calculated by fitting a combination of astrometry, photometry, and Fe I line equivalent widths. Phosphorus abundances were measured by matching synthetic spectra to a P I feature at 10529.52 angstroms.","authors_text":"K. Hawkins, N. R. Hinkel, P. Cargile, S. Janowiecki, T. Nelson, Z. G. Maas","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-06-07T18:24:19Z","title":"The Galactic Distribution of Phosphorus: A Survey of 163 Disk and Halo Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.03528","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":"sha256:78ad2e60e27f8965b55ee4c18d88f365bd1444ff4487c61570ff3b1d1817033b","target":"record","created_at":"2026-07-05T04:42:09Z","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":"0a0174b2c48f3ac051330c7174c60a9c2f4fe25b6f7761f5178f4d2405caad03","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-06-07T18:24:19Z","title_canon_sha256":"add244d2f32aa4182283161db8b3bb846d1cf9457585878a2c53285ed3d4afc7"},"schema_version":"1.0","source":{"id":"2206.03528","kind":"arxiv","version":1}},"canonical_sha256":"78e6d6f712c9ea3115aa6118681f48ab9eade8421a738eae5609560738db83ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78e6d6f712c9ea3115aa6118681f48ab9eade8421a738eae5609560738db83ec","first_computed_at":"2026-07-05T04:42:09.470306Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:42:09.470306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tk1Xv6kM/MqHmu5RJmcfwHFPeAsPaXgyxZ47YhjxGHEUnXafKMz3+BB7bFXSTfR5QNE6pZ1cTPbbbAr3LwxaDA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:42:09.470773Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.03528","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:78ad2e60e27f8965b55ee4c18d88f365bd1444ff4487c61570ff3b1d1817033b","sha256:613def98c4a66a848ccf56df8b313a90f6338e78392666a9db468ab9af32192c"],"state_sha256":"67af8425224e7569a6749630cce9e1eb1a42e905055afb0169e1bf9576574403"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gSfcd0goCNVyHHqwx/h+Zl86KpmY3Fpc+UfI3U7XyO9to+ORigxlLoKoKJv3xJkotN4MM/G5NVowv1k3KvfrDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-25T03:07:37.685359Z","bundle_sha256":"1a27660a59d5e55736b770df1c8d023667cd61809d49515902de8761aec5d6de"}}