{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:ZVA74DR6MYOKLUHNNFJIJS653U","short_pith_number":"pith:ZVA74DR6","canonical_record":{"source":{"id":"1403.7902","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-31T08:06:16Z","cross_cats_sorted":[],"title_canon_sha256":"98157edde141b3e56ebff65d2eeedee0c3dffbc358c5b686102384fc0105362d","abstract_canon_sha256":"41015cbc0410828598b9837f701f7917cbbc70bccec2445e160e3cc81101ba39"},"schema_version":"1.0"},"canonical_sha256":"cd41fe0e3e661ca5d0ed695284cbdddd073ecccbfc74ae7c9a7d06bc062c76ef","source":{"kind":"arxiv","id":"1403.7902","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.7902","created_at":"2026-05-18T02:44:17Z"},{"alias_kind":"arxiv_version","alias_value":"1403.7902v2","created_at":"2026-05-18T02:44:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.7902","created_at":"2026-05-18T02:44:17Z"},{"alias_kind":"pith_short_12","alias_value":"ZVA74DR6MYOK","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZVA74DR6MYOKLUHN","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZVA74DR6","created_at":"2026-05-18T12:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:ZVA74DR6MYOKLUHNNFJIJS653U","target":"record","payload":{"canonical_record":{"source":{"id":"1403.7902","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-31T08:06:16Z","cross_cats_sorted":[],"title_canon_sha256":"98157edde141b3e56ebff65d2eeedee0c3dffbc358c5b686102384fc0105362d","abstract_canon_sha256":"41015cbc0410828598b9837f701f7917cbbc70bccec2445e160e3cc81101ba39"},"schema_version":"1.0"},"canonical_sha256":"cd41fe0e3e661ca5d0ed695284cbdddd073ecccbfc74ae7c9a7d06bc062c76ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:17.795771Z","signature_b64":"tH/F1fMfByaNvgjYUHJb18sA1E6NcdV1lYup1bm2il4E2EVmP4wfBKj770ZinN58vVMdQ+0APwq+2yX84xpQCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cd41fe0e3e661ca5d0ed695284cbdddd073ecccbfc74ae7c9a7d06bc062c76ef","last_reissued_at":"2026-05-18T02:44:17.795349Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:17.795349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.7902","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:44:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7z3/BTk9fzr3B2qGfKB3LB/AOanisnCyTRomy/kMznXsfpH1wf8421QReaogUBXoytM7B3uJ9akr/myvRopLAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T22:25:33.551835Z"},"content_sha256":"c67388c80ad52dd23449502b87886489da777b6d8d6cce21c517abd2b1c564cc","schema_version":"1.0","event_id":"sha256:c67388c80ad52dd23449502b87886489da777b6d8d6cce21c517abd2b1c564cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:ZVA74DR6MYOKLUHNNFJIJS653U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ubiquitous argonium (ArH$^+$) in the diffuse interstellar medium -- a molecular tracer of almost purely atomic gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alvaro Sanchez-Monge, Benjamin Godard, Benjamin Winkel, Claudia Comito, Dariusz C. Lis, David A. Neufeld, Edith Falgarone, Edwin A. Bergin, Holger S.P. M\\\"uller, John. C. Pearson, John H. Black, Karl M. Menten, Mark Wolfire, Maryvonne Gerin, Nick Indriolo, Peter Schilke, Thomas Moeller","submitted_at":"2014-03-31T08:06:16Z","abstract_excerpt":"We describe the assignment of a previously unidentified interstellar absorption line to ArH$^+$ and discuss its relevance in the context of hydride absorption in diffuse gas with a low H$_2$ fraction. The column densities along several lines of sight are determined and discussd in the framework of chemical models. The column densities of ArH$^+$ are compared to those of other species, tracing interstellar medium (ISM) components with different H$_2$ abundances. Chemical models are constructed, taking UV radiation and cosmic ray ionization into account. Due to the detection of two isotopologues"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.7902","kind":"arxiv","version":2},"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":"2026-05-18T02:44:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jNMth7XJEE/G6vJFCvjjccUBwTz2AGwo9txMltVMCuYKreOxZfQuMFb3C+5oLANHYlXXrRzU0KeLCtklMc/oBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T22:25:33.552570Z"},"content_sha256":"b7775e42fa3090c92f82c376ab9d5a3f0cc4749e85bf358c3085651f5644071f","schema_version":"1.0","event_id":"sha256:b7775e42fa3090c92f82c376ab9d5a3f0cc4749e85bf358c3085651f5644071f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZVA74DR6MYOKLUHNNFJIJS653U/bundle.json","state_url":"https://pith.science/pith/ZVA74DR6MYOKLUHNNFJIJS653U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZVA74DR6MYOKLUHNNFJIJS653U/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":"2026-05-29T22:25:33Z","links":{"resolver":"https://pith.science/pith/ZVA74DR6MYOKLUHNNFJIJS653U","bundle":"https://pith.science/pith/ZVA74DR6MYOKLUHNNFJIJS653U/bundle.json","state":"https://pith.science/pith/ZVA74DR6MYOKLUHNNFJIJS653U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZVA74DR6MYOKLUHNNFJIJS653U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ZVA74DR6MYOKLUHNNFJIJS653U","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":"41015cbc0410828598b9837f701f7917cbbc70bccec2445e160e3cc81101ba39","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-31T08:06:16Z","title_canon_sha256":"98157edde141b3e56ebff65d2eeedee0c3dffbc358c5b686102384fc0105362d"},"schema_version":"1.0","source":{"id":"1403.7902","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.7902","created_at":"2026-05-18T02:44:17Z"},{"alias_kind":"arxiv_version","alias_value":"1403.7902v2","created_at":"2026-05-18T02:44:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.7902","created_at":"2026-05-18T02:44:17Z"},{"alias_kind":"pith_short_12","alias_value":"ZVA74DR6MYOK","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZVA74DR6MYOKLUHN","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZVA74DR6","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:b7775e42fa3090c92f82c376ab9d5a3f0cc4749e85bf358c3085651f5644071f","target":"graph","created_at":"2026-05-18T02:44:17Z","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 describe the assignment of a previously unidentified interstellar absorption line to ArH$^+$ and discuss its relevance in the context of hydride absorption in diffuse gas with a low H$_2$ fraction. The column densities along several lines of sight are determined and discussd in the framework of chemical models. The column densities of ArH$^+$ are compared to those of other species, tracing interstellar medium (ISM) components with different H$_2$ abundances. Chemical models are constructed, taking UV radiation and cosmic ray ionization into account. Due to the detection of two isotopologues","authors_text":"Alvaro Sanchez-Monge, Benjamin Godard, Benjamin Winkel, Claudia Comito, Dariusz C. Lis, David A. Neufeld, Edith Falgarone, Edwin A. Bergin, Holger S.P. M\\\"uller, John. C. Pearson, John H. Black, Karl M. Menten, Mark Wolfire, Maryvonne Gerin, Nick Indriolo, Peter Schilke, Thomas Moeller","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-31T08:06:16Z","title":"Ubiquitous argonium (ArH$^+$) in the diffuse interstellar medium -- a molecular tracer of almost purely atomic gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.7902","kind":"arxiv","version":2},"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:c67388c80ad52dd23449502b87886489da777b6d8d6cce21c517abd2b1c564cc","target":"record","created_at":"2026-05-18T02:44:17Z","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":"41015cbc0410828598b9837f701f7917cbbc70bccec2445e160e3cc81101ba39","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-31T08:06:16Z","title_canon_sha256":"98157edde141b3e56ebff65d2eeedee0c3dffbc358c5b686102384fc0105362d"},"schema_version":"1.0","source":{"id":"1403.7902","kind":"arxiv","version":2}},"canonical_sha256":"cd41fe0e3e661ca5d0ed695284cbdddd073ecccbfc74ae7c9a7d06bc062c76ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cd41fe0e3e661ca5d0ed695284cbdddd073ecccbfc74ae7c9a7d06bc062c76ef","first_computed_at":"2026-05-18T02:44:17.795349Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:44:17.795349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tH/F1fMfByaNvgjYUHJb18sA1E6NcdV1lYup1bm2il4E2EVmP4wfBKj770ZinN58vVMdQ+0APwq+2yX84xpQCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:44:17.795771Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.7902","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c67388c80ad52dd23449502b87886489da777b6d8d6cce21c517abd2b1c564cc","sha256:b7775e42fa3090c92f82c376ab9d5a3f0cc4749e85bf358c3085651f5644071f"],"state_sha256":"445b4aae84a3606932baf87758d5882106fe535d7726d3164d5659f5020fa1f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/dxGYJ5B+RzBvt2AAr0WdR2Ai96HNUhmoF202GjT/jNC6qZ2/OQVvP8y38N+yJJXbnPtZbndyX8BTePLXjZ1DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T22:25:33.556355Z","bundle_sha256":"53f0baf3007a51a6057d7d41c04819dadf739b1f86b2892c5de4c971028d45bc"}}