{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:67E6CVZTBBP4EJGLN324K6L4QJ","short_pith_number":"pith:67E6CVZT","canonical_record":{"source":{"id":"1702.03331","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-02-10T21:43:01Z","cross_cats_sorted":[],"title_canon_sha256":"a41aca7d8280743fac3a070230a73eb8811d3f13710b0eae0d19cd9a52434b50","abstract_canon_sha256":"ee659bd1b4def698b6e8a13103f898bfbf66fc219febaef4d7a98fb2b51b422c"},"schema_version":"1.0"},"canonical_sha256":"f7c9e15733085fc224cb6ef5c5797c8241c8910d4151c31c61bc554c6c7f6c59","source":{"kind":"arxiv","id":"1702.03331","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.03331","created_at":"2026-05-18T00:47:48Z"},{"alias_kind":"arxiv_version","alias_value":"1702.03331v1","created_at":"2026-05-18T00:47:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.03331","created_at":"2026-05-18T00:47:48Z"},{"alias_kind":"pith_short_12","alias_value":"67E6CVZTBBP4","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"67E6CVZTBBP4EJGL","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"67E6CVZT","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:67E6CVZTBBP4EJGLN324K6L4QJ","target":"record","payload":{"canonical_record":{"source":{"id":"1702.03331","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-02-10T21:43:01Z","cross_cats_sorted":[],"title_canon_sha256":"a41aca7d8280743fac3a070230a73eb8811d3f13710b0eae0d19cd9a52434b50","abstract_canon_sha256":"ee659bd1b4def698b6e8a13103f898bfbf66fc219febaef4d7a98fb2b51b422c"},"schema_version":"1.0"},"canonical_sha256":"f7c9e15733085fc224cb6ef5c5797c8241c8910d4151c31c61bc554c6c7f6c59","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:48.063552Z","signature_b64":"VpRsO4B0js6pxxvv+zpjvzfeihK8zmHqO329a+W1dDE5/EG8k/SCbfFvPTOx54tpIpnhOZpNJA7y9Y123pQPDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7c9e15733085fc224cb6ef5c5797c8241c8910d4151c31c61bc554c6c7f6c59","last_reissued_at":"2026-05-18T00:47:48.062882Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:48.062882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.03331","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":"2026-05-18T00:47:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sEsfrcvJo6HinykZbmEEDd72AFFHDXgCnzFbcjNz2RY+i3iZ6G1R0dSmqy/DXqNnOTlZcCcxg0kZQLpeuxKZDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:24:27.559055Z"},"content_sha256":"cf98c423477a236ca9c9428369a65acea823952a0d7cd10ce354bf9e00e7aa11","schema_version":"1.0","event_id":"sha256:cf98c423477a236ca9c9428369a65acea823952a0d7cd10ce354bf9e00e7aa11"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:67E6CVZTBBP4EJGLN324K6L4QJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ALMA hints at the existence of an unseen reservoir of diffuse molecular gas in the Galactic bulge","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"H. Liszt, M. Gerin","submitted_at":"2017-02-10T21:43:01Z","abstract_excerpt":"Aims. We aim to understand the unexpected presence of mm-wave molecular absorption at -200 \\kms $< {\\rm v} < -140$ \\kms\\ in a direction that is well away from regions of the Galactic bulge where CO emission at such velocities is prominent.\nMethods. We compared 89 GHz Cycle 2 ALMA absorption spectra of \\hcop, HCN, and HNC toward the extragalactic continuum source B1741-312 at l=-2.14\\degr, b=-1.00\\degr\\ with existing CO, H I, and dust emission and absorption measurements. We placed the atomic and molecular gas in the bulge and disk using circular and non-circular galactic kinematics, deriving N"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.03331","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":"2026-05-18T00:47:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VgfDATbe7IStvHS/eqd2y8AumWfd15H/MpzIE5/WO7kA5xUc7NswPuct2emJQfzplqqA50Jx21YlxRbquhpBDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:24:27.559433Z"},"content_sha256":"c01a77a48dc8ffcf9f0ff6d6168233d2353b2527ec5f975cad8d20a2cc2f529f","schema_version":"1.0","event_id":"sha256:c01a77a48dc8ffcf9f0ff6d6168233d2353b2527ec5f975cad8d20a2cc2f529f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/67E6CVZTBBP4EJGLN324K6L4QJ/bundle.json","state_url":"https://pith.science/pith/67E6CVZTBBP4EJGLN324K6L4QJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/67E6CVZTBBP4EJGLN324K6L4QJ/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":"2026-05-26T15:24:27Z","links":{"resolver":"https://pith.science/pith/67E6CVZTBBP4EJGLN324K6L4QJ","bundle":"https://pith.science/pith/67E6CVZTBBP4EJGLN324K6L4QJ/bundle.json","state":"https://pith.science/pith/67E6CVZTBBP4EJGLN324K6L4QJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/67E6CVZTBBP4EJGLN324K6L4QJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:67E6CVZTBBP4EJGLN324K6L4QJ","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":"ee659bd1b4def698b6e8a13103f898bfbf66fc219febaef4d7a98fb2b51b422c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-02-10T21:43:01Z","title_canon_sha256":"a41aca7d8280743fac3a070230a73eb8811d3f13710b0eae0d19cd9a52434b50"},"schema_version":"1.0","source":{"id":"1702.03331","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.03331","created_at":"2026-05-18T00:47:48Z"},{"alias_kind":"arxiv_version","alias_value":"1702.03331v1","created_at":"2026-05-18T00:47:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.03331","created_at":"2026-05-18T00:47:48Z"},{"alias_kind":"pith_short_12","alias_value":"67E6CVZTBBP4","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"67E6CVZTBBP4EJGL","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"67E6CVZT","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:c01a77a48dc8ffcf9f0ff6d6168233d2353b2527ec5f975cad8d20a2cc2f529f","target":"graph","created_at":"2026-05-18T00:47:48Z","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":"Aims. We aim to understand the unexpected presence of mm-wave molecular absorption at -200 \\kms $< {\\rm v} < -140$ \\kms\\ in a direction that is well away from regions of the Galactic bulge where CO emission at such velocities is prominent.\nMethods. We compared 89 GHz Cycle 2 ALMA absorption spectra of \\hcop, HCN, and HNC toward the extragalactic continuum source B1741-312 at l=-2.14\\degr, b=-1.00\\degr\\ with existing CO, H I, and dust emission and absorption measurements. We placed the atomic and molecular gas in the bulge and disk using circular and non-circular galactic kinematics, deriving N","authors_text":"H. Liszt, M. Gerin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-02-10T21:43:01Z","title":"ALMA hints at the existence of an unseen reservoir of diffuse molecular gas in the Galactic bulge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.03331","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:cf98c423477a236ca9c9428369a65acea823952a0d7cd10ce354bf9e00e7aa11","target":"record","created_at":"2026-05-18T00:47:48Z","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":"ee659bd1b4def698b6e8a13103f898bfbf66fc219febaef4d7a98fb2b51b422c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-02-10T21:43:01Z","title_canon_sha256":"a41aca7d8280743fac3a070230a73eb8811d3f13710b0eae0d19cd9a52434b50"},"schema_version":"1.0","source":{"id":"1702.03331","kind":"arxiv","version":1}},"canonical_sha256":"f7c9e15733085fc224cb6ef5c5797c8241c8910d4151c31c61bc554c6c7f6c59","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7c9e15733085fc224cb6ef5c5797c8241c8910d4151c31c61bc554c6c7f6c59","first_computed_at":"2026-05-18T00:47:48.062882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:48.062882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VpRsO4B0js6pxxvv+zpjvzfeihK8zmHqO329a+W1dDE5/EG8k/SCbfFvPTOx54tpIpnhOZpNJA7y9Y123pQPDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:48.063552Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.03331","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf98c423477a236ca9c9428369a65acea823952a0d7cd10ce354bf9e00e7aa11","sha256:c01a77a48dc8ffcf9f0ff6d6168233d2353b2527ec5f975cad8d20a2cc2f529f"],"state_sha256":"556bab5457e745b338ad4e3c8c5cc30c7e69d3aaea394397936c14629467b94b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3sYyAvzcXD8hB7FXLeGVTNluo2usCIHfMHITEGCiQ56GA5+XIQdAmgV+FNtJdInpMAi8e3HTjRaBGjmRki+8CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T15:24:27.561886Z","bundle_sha256":"ddd9a51a04c9cb580721568d0be069c64959bf48c7db76df51d24bcf23ba5d69"}}