{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:IXXSDQNRM2CII4OPKS2VUEFTDS","short_pith_number":"pith:IXXSDQNR","canonical_record":{"source":{"id":"1304.4240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-04-15T20:00:35Z","cross_cats_sorted":[],"title_canon_sha256":"35ec500b3ecadca302fa3c62a91fa614b13fe7c739e6cc3a7cc637119da12d50","abstract_canon_sha256":"753e24b56d1a25904ef83744ba364d81fbd6b05c7132ab1692d90d7d6a4784f0"},"schema_version":"1.0"},"canonical_sha256":"45ef21c1b166848471cf54b55a10b31c985fe865ec56d4e8b56df876537c7cce","source":{"kind":"arxiv","id":"1304.4240","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.4240","created_at":"2026-05-18T01:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"1304.4240v1","created_at":"2026-05-18T01:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.4240","created_at":"2026-05-18T01:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"IXXSDQNRM2CI","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"IXXSDQNRM2CII4OP","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"IXXSDQNR","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:IXXSDQNRM2CII4OPKS2VUEFTDS","target":"record","payload":{"canonical_record":{"source":{"id":"1304.4240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-04-15T20:00:35Z","cross_cats_sorted":[],"title_canon_sha256":"35ec500b3ecadca302fa3c62a91fa614b13fe7c739e6cc3a7cc637119da12d50","abstract_canon_sha256":"753e24b56d1a25904ef83744ba364d81fbd6b05c7132ab1692d90d7d6a4784f0"},"schema_version":"1.0"},"canonical_sha256":"45ef21c1b166848471cf54b55a10b31c985fe865ec56d4e8b56df876537c7cce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:32.548224Z","signature_b64":"kL98UOD+diHTJfaBhHZycMpdYQK/Uo/3vAdnfJOmiEuO9QWtmy7ZknWQ1ymhXULvdqyfWiXAWVnG6m1d0eanDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45ef21c1b166848471cf54b55a10b31c985fe865ec56d4e8b56df876537c7cce","last_reissued_at":"2026-05-18T01:50:32.547737Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:32.547737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.4240","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":"2026-05-18T01:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Uq/jVJWK+xCeKGhZ/S0Pf56ypvMxudeVoO+ydPI9tGIffud4XbQUxN0SVdezHKS4aZ2gTYj+3c30RniZMRbBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T22:23:41.729900Z"},"content_sha256":"46bb988a5c2af79bf9c7082c6ccff37a463f227841335226de396529e3a88ed1","schema_version":"1.0","event_id":"sha256:46bb988a5c2af79bf9c7082c6ccff37a463f227841335226de396529e3a88ed1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:IXXSDQNRM2CII4OPKS2VUEFTDS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The COS/UVES Absorption Survey of the Magellanic Stream: I. One-Tenth Solar Abundances along the Body of the Stream","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrew J. Fox, Bart P. Wakker, J. Christopher Howk, Joss Bland-Hawthorn, Nadya Ben Bekhti, Nicolas Lehner, Philipp Richter, Stephen Lucas","submitted_at":"2013-04-15T20:00:35Z","abstract_excerpt":"The Magellanic Stream (MS) is a massive and extended tail of multi-phase gas stripped out of the Magellanic Clouds and interacting with the Galactic halo. In this first paper of an ongoing program to study the Stream in absorption, we present a chemical abundance analysis based on HST/COS and VLT/UVES spectra of four AGN (RBS 144, NGC 7714, PHL 2525, and HE 0056-3622) lying behind the MS. Two of these sightlines yield good MS metallicity measurements: toward RBS 144 we measure a low MS metallicity of [S/H]=[S II/H I]=-1.13+/-0.16 while toward NGC 7714 we measure [O/H]=[O I/H I]=-1.24+/-0.20. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.4240","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":"2026-05-18T01:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1+dIXnLDxItjcOY/Aje9PEeUcvjg8XMZv0Q5HtNeMHnWQqOoMMm2ryikUZSJvt3TfEzO/vDLk1VHb+0SkHyKBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T22:23:41.730561Z"},"content_sha256":"46efc84521599c0d9599a09dc2526058136e18ccbc8cb0db52e4ddc463cbbbda","schema_version":"1.0","event_id":"sha256:46efc84521599c0d9599a09dc2526058136e18ccbc8cb0db52e4ddc463cbbbda"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IXXSDQNRM2CII4OPKS2VUEFTDS/bundle.json","state_url":"https://pith.science/pith/IXXSDQNRM2CII4OPKS2VUEFTDS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IXXSDQNRM2CII4OPKS2VUEFTDS/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":"2026-05-22T22:23:41Z","links":{"resolver":"https://pith.science/pith/IXXSDQNRM2CII4OPKS2VUEFTDS","bundle":"https://pith.science/pith/IXXSDQNRM2CII4OPKS2VUEFTDS/bundle.json","state":"https://pith.science/pith/IXXSDQNRM2CII4OPKS2VUEFTDS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IXXSDQNRM2CII4OPKS2VUEFTDS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:IXXSDQNRM2CII4OPKS2VUEFTDS","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":"753e24b56d1a25904ef83744ba364d81fbd6b05c7132ab1692d90d7d6a4784f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-04-15T20:00:35Z","title_canon_sha256":"35ec500b3ecadca302fa3c62a91fa614b13fe7c739e6cc3a7cc637119da12d50"},"schema_version":"1.0","source":{"id":"1304.4240","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.4240","created_at":"2026-05-18T01:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"1304.4240v1","created_at":"2026-05-18T01:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.4240","created_at":"2026-05-18T01:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"IXXSDQNRM2CI","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"IXXSDQNRM2CII4OP","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"IXXSDQNR","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:46efc84521599c0d9599a09dc2526058136e18ccbc8cb0db52e4ddc463cbbbda","target":"graph","created_at":"2026-05-18T01:50:32Z","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 Magellanic Stream (MS) is a massive and extended tail of multi-phase gas stripped out of the Magellanic Clouds and interacting with the Galactic halo. In this first paper of an ongoing program to study the Stream in absorption, we present a chemical abundance analysis based on HST/COS and VLT/UVES spectra of four AGN (RBS 144, NGC 7714, PHL 2525, and HE 0056-3622) lying behind the MS. Two of these sightlines yield good MS metallicity measurements: toward RBS 144 we measure a low MS metallicity of [S/H]=[S II/H I]=-1.13+/-0.16 while toward NGC 7714 we measure [O/H]=[O I/H I]=-1.24+/-0.20. T","authors_text":"Andrew J. Fox, Bart P. Wakker, J. Christopher Howk, Joss Bland-Hawthorn, Nadya Ben Bekhti, Nicolas Lehner, Philipp Richter, Stephen Lucas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-04-15T20:00:35Z","title":"The COS/UVES Absorption Survey of the Magellanic Stream: I. One-Tenth Solar Abundances along the Body of the Stream"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.4240","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":"sha256:46bb988a5c2af79bf9c7082c6ccff37a463f227841335226de396529e3a88ed1","target":"record","created_at":"2026-05-18T01:50:32Z","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":"753e24b56d1a25904ef83744ba364d81fbd6b05c7132ab1692d90d7d6a4784f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-04-15T20:00:35Z","title_canon_sha256":"35ec500b3ecadca302fa3c62a91fa614b13fe7c739e6cc3a7cc637119da12d50"},"schema_version":"1.0","source":{"id":"1304.4240","kind":"arxiv","version":1}},"canonical_sha256":"45ef21c1b166848471cf54b55a10b31c985fe865ec56d4e8b56df876537c7cce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"45ef21c1b166848471cf54b55a10b31c985fe865ec56d4e8b56df876537c7cce","first_computed_at":"2026-05-18T01:50:32.547737Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:32.547737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kL98UOD+diHTJfaBhHZycMpdYQK/Uo/3vAdnfJOmiEuO9QWtmy7ZknWQ1ymhXULvdqyfWiXAWVnG6m1d0eanDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:32.548224Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.4240","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46bb988a5c2af79bf9c7082c6ccff37a463f227841335226de396529e3a88ed1","sha256:46efc84521599c0d9599a09dc2526058136e18ccbc8cb0db52e4ddc463cbbbda"],"state_sha256":"54bc5da42327fba1b9c549a17bb642855532aacdeabb4133ba41f36117d6d10f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kDk0dxqM6mbIsFRKxzc2U8l4Lp7T5xioc0wQKbErkNJUwxakMsaUvNZBEzUv0dmtzeGYXe+ap3ue6jHeEwbWBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T22:23:41.737055Z","bundle_sha256":"a8e7e817f9c97b51e25e167d6e8d2e6364d9b0530db36881731bd489d0ebe39d"}}