{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:T5GMBTDOI3YY3SSE7HVLUZTF5Z","short_pith_number":"pith:T5GMBTDO","canonical_record":{"source":{"id":"1210.8178","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-10-30T21:32:41Z","cross_cats_sorted":[],"title_canon_sha256":"17052f393412520f88cfac017ebe86116731d378ed143a887a49debfe2a5bce3","abstract_canon_sha256":"c544dc5a6dbf2c5d0bac6bb0ceb60ae48db79d539b2aa4ea0db6656956870bec"},"schema_version":"1.0"},"canonical_sha256":"9f4cc0cc6e46f18dca44f9eaba6665ee633aa67e21e131ab2670ac85770bf7c5","source":{"kind":"arxiv","id":"1210.8178","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.8178","created_at":"2026-05-18T01:53:35Z"},{"alias_kind":"arxiv_version","alias_value":"1210.8178v1","created_at":"2026-05-18T01:53:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.8178","created_at":"2026-05-18T01:53:35Z"},{"alias_kind":"pith_short_12","alias_value":"T5GMBTDOI3YY","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"T5GMBTDOI3YY3SSE","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"T5GMBTDO","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:T5GMBTDOI3YY3SSE7HVLUZTF5Z","target":"record","payload":{"canonical_record":{"source":{"id":"1210.8178","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-10-30T21:32:41Z","cross_cats_sorted":[],"title_canon_sha256":"17052f393412520f88cfac017ebe86116731d378ed143a887a49debfe2a5bce3","abstract_canon_sha256":"c544dc5a6dbf2c5d0bac6bb0ceb60ae48db79d539b2aa4ea0db6656956870bec"},"schema_version":"1.0"},"canonical_sha256":"9f4cc0cc6e46f18dca44f9eaba6665ee633aa67e21e131ab2670ac85770bf7c5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:35.271475Z","signature_b64":"1/x+CIxbHo8fUlNyfTzEualYmXSgP+iFKtRVDVgm3S0ayDDTfFU0nw3FGKeIIIvaWvPUF4pLpAdjqHg06RkLBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f4cc0cc6e46f18dca44f9eaba6665ee633aa67e21e131ab2670ac85770bf7c5","last_reissued_at":"2026-05-18T01:53:35.270860Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:35.270860Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.8178","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":"2026-05-18T01:53:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+88ex7nB9N5F5H0ZV8miPMR2offVYHRNgjQFVSDLHqhYpe9V9v0oAXqM07ThyhluD3H+U5iuLmfwGA/l9WzDBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:05:16.268070Z"},"content_sha256":"9994a7ca7d485bb72bc591784488afd9140a14782e4ebae503e095c9b0238909","schema_version":"1.0","event_id":"sha256:9994a7ca7d485bb72bc591784488afd9140a14782e4ebae503e095c9b0238909"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:T5GMBTDOI3YY3SSE7HVLUZTF5Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The IRAM-30m line survey of the Horsehead PDR: II. First detection of the l-C3H+ hydrocarbon cation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Belloche, A. Sievers, D. Talbi (LUPM), E. Roueff (LUTH), F. Le Petit (LUTH), J\\'er\\^ome Pety (IRAM, J. Le Bourlot (LUTH), J.R. Goicoechea, M. Gerin (LERMA), OP), P. Gratier (IRAM), S. Bardeau (IRAM), V. Guzm\\'an (IRAM)","submitted_at":"2012-10-30T21:32:41Z","abstract_excerpt":"We present the first detection of the l-C3H+ hydrocarbon in the interstellar medium. The Horsehead WHISPER project, a millimeter unbiased line survey at two positions, namely the photo-dissociation region (PDR) and the nearby shielded core, revealed a consistent set of eight unidentified lines toward the PDR position. Six of them are detected with a signal-to-noise ratio from 6 to 19, while the two last ones are tentatively detected. Mostly noise appears at the same frequency toward the dense core, located less than 40\" away. We simultaneously fit 1) the rotational and centrifugal distortion c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.8178","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":"2026-05-18T01:53:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"olHXokVFQGO6d+/K044btIlELQOcFam2wwbgu32mkxQ6WdwbSQmmTuKgjsTJkHBxl+99wyDFlscaYh8c3bm+BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:05:16.268741Z"},"content_sha256":"e3ccbd67fb33af2893d8d84a8646a25bfa356f786d9a9686f061a5c3459101c8","schema_version":"1.0","event_id":"sha256:e3ccbd67fb33af2893d8d84a8646a25bfa356f786d9a9686f061a5c3459101c8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T5GMBTDOI3YY3SSE7HVLUZTF5Z/bundle.json","state_url":"https://pith.science/pith/T5GMBTDOI3YY3SSE7HVLUZTF5Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T5GMBTDOI3YY3SSE7HVLUZTF5Z/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":"2026-05-28T00:05:16Z","links":{"resolver":"https://pith.science/pith/T5GMBTDOI3YY3SSE7HVLUZTF5Z","bundle":"https://pith.science/pith/T5GMBTDOI3YY3SSE7HVLUZTF5Z/bundle.json","state":"https://pith.science/pith/T5GMBTDOI3YY3SSE7HVLUZTF5Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T5GMBTDOI3YY3SSE7HVLUZTF5Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:T5GMBTDOI3YY3SSE7HVLUZTF5Z","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":"c544dc5a6dbf2c5d0bac6bb0ceb60ae48db79d539b2aa4ea0db6656956870bec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-10-30T21:32:41Z","title_canon_sha256":"17052f393412520f88cfac017ebe86116731d378ed143a887a49debfe2a5bce3"},"schema_version":"1.0","source":{"id":"1210.8178","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.8178","created_at":"2026-05-18T01:53:35Z"},{"alias_kind":"arxiv_version","alias_value":"1210.8178v1","created_at":"2026-05-18T01:53:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.8178","created_at":"2026-05-18T01:53:35Z"},{"alias_kind":"pith_short_12","alias_value":"T5GMBTDOI3YY","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"T5GMBTDOI3YY3SSE","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"T5GMBTDO","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:e3ccbd67fb33af2893d8d84a8646a25bfa356f786d9a9686f061a5c3459101c8","target":"graph","created_at":"2026-05-18T01:53:35Z","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 present the first detection of the l-C3H+ hydrocarbon in the interstellar medium. The Horsehead WHISPER project, a millimeter unbiased line survey at two positions, namely the photo-dissociation region (PDR) and the nearby shielded core, revealed a consistent set of eight unidentified lines toward the PDR position. Six of them are detected with a signal-to-noise ratio from 6 to 19, while the two last ones are tentatively detected. Mostly noise appears at the same frequency toward the dense core, located less than 40\" away. We simultaneously fit 1) the rotational and centrifugal distortion c","authors_text":"A. Belloche, A. Sievers, D. Talbi (LUPM), E. Roueff (LUTH), F. Le Petit (LUTH), J\\'er\\^ome Pety (IRAM, J. Le Bourlot (LUTH), J.R. Goicoechea, M. Gerin (LERMA), OP), P. Gratier (IRAM), S. Bardeau (IRAM), V. Guzm\\'an (IRAM)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-10-30T21:32:41Z","title":"The IRAM-30m line survey of the Horsehead PDR: II. First detection of the l-C3H+ hydrocarbon cation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.8178","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":"sha256:9994a7ca7d485bb72bc591784488afd9140a14782e4ebae503e095c9b0238909","target":"record","created_at":"2026-05-18T01:53:35Z","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":"c544dc5a6dbf2c5d0bac6bb0ceb60ae48db79d539b2aa4ea0db6656956870bec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-10-30T21:32:41Z","title_canon_sha256":"17052f393412520f88cfac017ebe86116731d378ed143a887a49debfe2a5bce3"},"schema_version":"1.0","source":{"id":"1210.8178","kind":"arxiv","version":1}},"canonical_sha256":"9f4cc0cc6e46f18dca44f9eaba6665ee633aa67e21e131ab2670ac85770bf7c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f4cc0cc6e46f18dca44f9eaba6665ee633aa67e21e131ab2670ac85770bf7c5","first_computed_at":"2026-05-18T01:53:35.270860Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:35.270860Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1/x+CIxbHo8fUlNyfTzEualYmXSgP+iFKtRVDVgm3S0ayDDTfFU0nw3FGKeIIIvaWvPUF4pLpAdjqHg06RkLBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:35.271475Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.8178","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9994a7ca7d485bb72bc591784488afd9140a14782e4ebae503e095c9b0238909","sha256:e3ccbd67fb33af2893d8d84a8646a25bfa356f786d9a9686f061a5c3459101c8"],"state_sha256":"a48f0f29eee17c047c23fce58c14e84f099d13262bd6a4666df7b081ce7dcdaa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o7Z3YwR5cLG8KSzBVO/FZklrDt3fKV8szLPogDIKEjacI03VqT+h/+0j6OdYdp+I2ihmR0KIIxtbiOlkxMvNAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:05:16.272274Z","bundle_sha256":"13e59ea178b929963feb3039c1edd3d8d40cccf2b03b68328da50f0c328b1a9e"}}