{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:T5GUSKOTSZTTHGAXUB5NEY5QED","short_pith_number":"pith:T5GUSKOT","canonical_record":{"source":{"id":"0908.4148","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-08-28T07:52:44Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"a982d89dfac4860101414b59b90c48110817218b2d3ca2b4b0a5870314f15046","abstract_canon_sha256":"a014a090ddf7ea7968d695bc4f0d5822a44eb21c7079aebca19cca1cd440f1df"},"schema_version":"1.0"},"canonical_sha256":"9f4d4929d39667339817a07ad263b020c564cf0f9b73ac46ff3922103d3db24f","source":{"kind":"arxiv","id":"0908.4148","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.4148","created_at":"2026-05-18T02:12:21Z"},{"alias_kind":"arxiv_version","alias_value":"0908.4148v1","created_at":"2026-05-18T02:12:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.4148","created_at":"2026-05-18T02:12:21Z"},{"alias_kind":"pith_short_12","alias_value":"T5GUSKOTSZTT","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"T5GUSKOTSZTTHGAX","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"T5GUSKOT","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:T5GUSKOTSZTTHGAXUB5NEY5QED","target":"record","payload":{"canonical_record":{"source":{"id":"0908.4148","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-08-28T07:52:44Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"a982d89dfac4860101414b59b90c48110817218b2d3ca2b4b0a5870314f15046","abstract_canon_sha256":"a014a090ddf7ea7968d695bc4f0d5822a44eb21c7079aebca19cca1cd440f1df"},"schema_version":"1.0"},"canonical_sha256":"9f4d4929d39667339817a07ad263b020c564cf0f9b73ac46ff3922103d3db24f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:21.684920Z","signature_b64":"khJvRVkF8XqsdMfEu5pOxG0B/YC7bMykp+Bzv18p30MUN7uC8SN4Zn36N7HimdvOHAZq/JxAkRQEUrDlR85gDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f4d4929d39667339817a07ad263b020c564cf0f9b73ac46ff3922103d3db24f","last_reissued_at":"2026-05-18T02:12:21.684235Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:21.684235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0908.4148","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":"2026-05-18T02:12:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4q9NoDCFRo91mZZQQfeRE8FxWBYmwZhy1IJdserPl4ihlRrbUehYnK12URg4XjKAOiieX4zPLTO+RQ+j037rCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:20:21.539936Z"},"content_sha256":"218a9bdc67a690a35d0fa4f4bc50a01ebf656eaf2fd92e218de28e88b22a0891","schema_version":"1.0","event_id":"sha256:218a9bdc67a690a35d0fa4f4bc50a01ebf656eaf2fd92e218de28e88b22a0891"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:T5GUSKOTSZTTHGAXUB5NEY5QED","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Metal-rich absorbers at high redshifts: abundance patterns","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"D. Reimers, I. I. Agafonova, J. L. Hou, P. Molaro, S. A. Levshakov","submitted_at":"2009-08-28T07:52:44Z","abstract_excerpt":"(Abbreviated) From six spectra of high-z QSOs, we select eleven metal-rich, Z>=Z_solar, and optically-thin to the ionizing radiation, N(HI)<10^17 cm^-2, absorption systems ranging between z=1.5 and z=2.9 and revealing lines of different ions in subsequent ionization stages. The majority of the systems (10 from 11) show abundance patterns which relate them to outflows from low and intermediate mass stars. All systems have sub-kpc linear sizes along the line-of-sight with many less than 20 pc. In several systems, silicon is deficient, presumably due to the depletion onto dust grains in the envel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.4148","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":"2026-05-18T02:12:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LPJo4rrx6Zvk4mo2NpcpIhKjrNp6wSsT0kbPudc7K2lCpp4V4D1If9LP48VbHY2hjxyIeQzMU7DXRH48UHK2Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:20:21.540289Z"},"content_sha256":"fbed6405bc457e5ce159a51920defc2613228f267237a7ad0fd86fb6d8cd9023","schema_version":"1.0","event_id":"sha256:fbed6405bc457e5ce159a51920defc2613228f267237a7ad0fd86fb6d8cd9023"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T5GUSKOTSZTTHGAXUB5NEY5QED/bundle.json","state_url":"https://pith.science/pith/T5GUSKOTSZTTHGAXUB5NEY5QED/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T5GUSKOTSZTTHGAXUB5NEY5QED/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":"2026-05-28T05:20:21Z","links":{"resolver":"https://pith.science/pith/T5GUSKOTSZTTHGAXUB5NEY5QED","bundle":"https://pith.science/pith/T5GUSKOTSZTTHGAXUB5NEY5QED/bundle.json","state":"https://pith.science/pith/T5GUSKOTSZTTHGAXUB5NEY5QED/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T5GUSKOTSZTTHGAXUB5NEY5QED/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:T5GUSKOTSZTTHGAXUB5NEY5QED","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":"a014a090ddf7ea7968d695bc4f0d5822a44eb21c7079aebca19cca1cd440f1df","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-08-28T07:52:44Z","title_canon_sha256":"a982d89dfac4860101414b59b90c48110817218b2d3ca2b4b0a5870314f15046"},"schema_version":"1.0","source":{"id":"0908.4148","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.4148","created_at":"2026-05-18T02:12:21Z"},{"alias_kind":"arxiv_version","alias_value":"0908.4148v1","created_at":"2026-05-18T02:12:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.4148","created_at":"2026-05-18T02:12:21Z"},{"alias_kind":"pith_short_12","alias_value":"T5GUSKOTSZTT","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"T5GUSKOTSZTTHGAX","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"T5GUSKOT","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:fbed6405bc457e5ce159a51920defc2613228f267237a7ad0fd86fb6d8cd9023","target":"graph","created_at":"2026-05-18T02:12:21Z","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":"(Abbreviated) From six spectra of high-z QSOs, we select eleven metal-rich, Z>=Z_solar, and optically-thin to the ionizing radiation, N(HI)<10^17 cm^-2, absorption systems ranging between z=1.5 and z=2.9 and revealing lines of different ions in subsequent ionization stages. The majority of the systems (10 from 11) show abundance patterns which relate them to outflows from low and intermediate mass stars. All systems have sub-kpc linear sizes along the line-of-sight with many less than 20 pc. In several systems, silicon is deficient, presumably due to the depletion onto dust grains in the envel","authors_text":"D. Reimers, I. I. Agafonova, J. L. Hou, P. Molaro, S. A. Levshakov","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-08-28T07:52:44Z","title":"Metal-rich absorbers at high redshifts: abundance patterns"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.4148","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":"sha256:218a9bdc67a690a35d0fa4f4bc50a01ebf656eaf2fd92e218de28e88b22a0891","target":"record","created_at":"2026-05-18T02:12:21Z","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":"a014a090ddf7ea7968d695bc4f0d5822a44eb21c7079aebca19cca1cd440f1df","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-08-28T07:52:44Z","title_canon_sha256":"a982d89dfac4860101414b59b90c48110817218b2d3ca2b4b0a5870314f15046"},"schema_version":"1.0","source":{"id":"0908.4148","kind":"arxiv","version":1}},"canonical_sha256":"9f4d4929d39667339817a07ad263b020c564cf0f9b73ac46ff3922103d3db24f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f4d4929d39667339817a07ad263b020c564cf0f9b73ac46ff3922103d3db24f","first_computed_at":"2026-05-18T02:12:21.684235Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:21.684235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"khJvRVkF8XqsdMfEu5pOxG0B/YC7bMykp+Bzv18p30MUN7uC8SN4Zn36N7HimdvOHAZq/JxAkRQEUrDlR85gDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:21.684920Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.4148","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:218a9bdc67a690a35d0fa4f4bc50a01ebf656eaf2fd92e218de28e88b22a0891","sha256:fbed6405bc457e5ce159a51920defc2613228f267237a7ad0fd86fb6d8cd9023"],"state_sha256":"5b89bf9d93382cef458b3deb8ef2bb5133fd28b58736620e1667959c88a0b85e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kwxQrwrFpnxZbWEO5HNRyQ/nTJn3KKzeK+EejzfhIDB8elJozKs62B+3HQuJq0OB8XZvP9liNNVD2ADp0cL9Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:20:21.542306Z","bundle_sha256":"bf1600a3ccdd4351864b2d4bccbdbf357e580144a25dcd41ae049f183be5259a"}}