{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1994:KQOMBHV66R3AM46SJ422W5AORP","short_pith_number":"pith:KQOMBHV6","canonical_record":{"source":{"id":"astro-ph/9402054","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1994-02-22T11:09:02Z","cross_cats_sorted":[],"title_canon_sha256":"14a10ca06abb3c04dc870e41c2453e74dc64ede3bd1ba138a946eb8f6720a9e2","abstract_canon_sha256":"caae9860943646cb145e081860f6c63dd9e1477d7c738cd08f097abfcdf47888"},"schema_version":"1.0"},"canonical_sha256":"541cc09ebef4760673d24f35ab740e8bfddf14d52a4884689c48b98046fa4f30","source":{"kind":"arxiv","id":"astro-ph/9402054","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9402054","created_at":"2026-07-04T15:56:03Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9402054v1","created_at":"2026-07-04T15:56:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9402054","created_at":"2026-07-04T15:56:03Z"},{"alias_kind":"pith_short_12","alias_value":"KQOMBHV66R3A","created_at":"2026-07-04T15:56:03Z"},{"alias_kind":"pith_short_16","alias_value":"KQOMBHV66R3AM46S","created_at":"2026-07-04T15:56:03Z"},{"alias_kind":"pith_short_8","alias_value":"KQOMBHV6","created_at":"2026-07-04T15:56:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1994:KQOMBHV66R3AM46SJ422W5AORP","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9402054","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1994-02-22T11:09:02Z","cross_cats_sorted":[],"title_canon_sha256":"14a10ca06abb3c04dc870e41c2453e74dc64ede3bd1ba138a946eb8f6720a9e2","abstract_canon_sha256":"caae9860943646cb145e081860f6c63dd9e1477d7c738cd08f097abfcdf47888"},"schema_version":"1.0"},"canonical_sha256":"541cc09ebef4760673d24f35ab740e8bfddf14d52a4884689c48b98046fa4f30","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:56:03.704482Z","signature_b64":"y1suQS3Uoi9nAbjR3AaJvKupacbzQVS7vkouiOjFwSKwcPews2fHrL0pLlO923ddssPX7NcxBL4kFF4MtF/oAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"541cc09ebef4760673d24f35ab740e8bfddf14d52a4884689c48b98046fa4f30","last_reissued_at":"2026-07-04T15:56:03.704134Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:56:03.704134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9402054","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":"2026-07-04T15:56:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9kRr0taOA066h6QNQDTov7WQVH1VdnoYksZMlv/0oq3k9QgZkxAfiyJa2xIwjCfZ+93YV/eJvbhSjbXEGFKFBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:10:06.270811Z"},"content_sha256":"d48ca791a11d333cf1f10903a6500cd82856d395e00bdbd6d04603a681d3fc5b","schema_version":"1.0","event_id":"sha256:d48ca791a11d333cf1f10903a6500cd82856d395e00bdbd6d04603a681d3fc5b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1994:KQOMBHV66R3AM46SJ422W5AORP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for Hco+ Infall toward T Tauri?","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Ewine F. van Dishoeck, Geoffrey A. Blake, Huib Jan van Langevelde","submitted_at":"1994-02-22T11:09:02Z","abstract_excerpt":"High spectral and spatial resolution observations of the HCO+ molecule toward the T Tau binary system obtained with the Owens Valley Millimeter Array reveal a broad emission line profile (V_LSR = 7.2 km/s, width = 2.0 km/s) upon which a narrow, redshifted absorption feature (V_LSR = 8.5 km/s, width +/- 0.5 km/s) is superposed. One possible interpretation of the absorption is that it arises from infall of molecular cloud envelope material onto the immediate circumbinary region, which would imply that large scale dynamic accretion processes are still active well into the optically visible stages"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9402054","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/9402054/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:56:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FDvGbyDPmh8CFpB+HRdqD8n6ovQZwjHIbDypQNVd3kRvzW7WdAUjfpAqMKlzaC808BDYnvT9ch2Q6oZRJiKcCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:10:06.271361Z"},"content_sha256":"68ec9d3f189a7a90505d5a07d7a77116cb905299728a858344475f983653fcd5","schema_version":"1.0","event_id":"sha256:68ec9d3f189a7a90505d5a07d7a77116cb905299728a858344475f983653fcd5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KQOMBHV66R3AM46SJ422W5AORP/bundle.json","state_url":"https://pith.science/pith/KQOMBHV66R3AM46SJ422W5AORP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KQOMBHV66R3AM46SJ422W5AORP/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":"2026-08-05T22:10:06Z","links":{"resolver":"https://pith.science/pith/KQOMBHV66R3AM46SJ422W5AORP","bundle":"https://pith.science/pith/KQOMBHV66R3AM46SJ422W5AORP/bundle.json","state":"https://pith.science/pith/KQOMBHV66R3AM46SJ422W5AORP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KQOMBHV66R3AM46SJ422W5AORP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1994:KQOMBHV66R3AM46SJ422W5AORP","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":"caae9860943646cb145e081860f6c63dd9e1477d7c738cd08f097abfcdf47888","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1994-02-22T11:09:02Z","title_canon_sha256":"14a10ca06abb3c04dc870e41c2453e74dc64ede3bd1ba138a946eb8f6720a9e2"},"schema_version":"1.0","source":{"id":"astro-ph/9402054","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9402054","created_at":"2026-07-04T15:56:03Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9402054v1","created_at":"2026-07-04T15:56:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9402054","created_at":"2026-07-04T15:56:03Z"},{"alias_kind":"pith_short_12","alias_value":"KQOMBHV66R3A","created_at":"2026-07-04T15:56:03Z"},{"alias_kind":"pith_short_16","alias_value":"KQOMBHV66R3AM46S","created_at":"2026-07-04T15:56:03Z"},{"alias_kind":"pith_short_8","alias_value":"KQOMBHV6","created_at":"2026-07-04T15:56:03Z"}],"graph_snapshots":[{"event_id":"sha256:68ec9d3f189a7a90505d5a07d7a77116cb905299728a858344475f983653fcd5","target":"graph","created_at":"2026-07-04T15:56:03Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/9402054/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High spectral and spatial resolution observations of the HCO+ molecule toward the T Tau binary system obtained with the Owens Valley Millimeter Array reveal a broad emission line profile (V_LSR = 7.2 km/s, width = 2.0 km/s) upon which a narrow, redshifted absorption feature (V_LSR = 8.5 km/s, width +/- 0.5 km/s) is superposed. One possible interpretation of the absorption is that it arises from infall of molecular cloud envelope material onto the immediate circumbinary region, which would imply that large scale dynamic accretion processes are still active well into the optically visible stages","authors_text":"Ewine F. van Dishoeck, Geoffrey A. Blake, Huib Jan van Langevelde","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1994-02-22T11:09:02Z","title":"Evidence for Hco+ Infall toward T Tauri?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9402054","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:d48ca791a11d333cf1f10903a6500cd82856d395e00bdbd6d04603a681d3fc5b","target":"record","created_at":"2026-07-04T15:56:03Z","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":"caae9860943646cb145e081860f6c63dd9e1477d7c738cd08f097abfcdf47888","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1994-02-22T11:09:02Z","title_canon_sha256":"14a10ca06abb3c04dc870e41c2453e74dc64ede3bd1ba138a946eb8f6720a9e2"},"schema_version":"1.0","source":{"id":"astro-ph/9402054","kind":"arxiv","version":1}},"canonical_sha256":"541cc09ebef4760673d24f35ab740e8bfddf14d52a4884689c48b98046fa4f30","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"541cc09ebef4760673d24f35ab740e8bfddf14d52a4884689c48b98046fa4f30","first_computed_at":"2026-07-04T15:56:03.704134Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:56:03.704134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y1suQS3Uoi9nAbjR3AaJvKupacbzQVS7vkouiOjFwSKwcPews2fHrL0pLlO923ddssPX7NcxBL4kFF4MtF/oAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:56:03.704482Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9402054","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d48ca791a11d333cf1f10903a6500cd82856d395e00bdbd6d04603a681d3fc5b","sha256:68ec9d3f189a7a90505d5a07d7a77116cb905299728a858344475f983653fcd5"],"state_sha256":"bbe16adac475832abc21c88a8a5be5ee4a0663f5759399f6c7a298b7f435d6fc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rZ3lvU1oTk3UvdLtKbtQqPPXhqip8RkMger+xapbjR2/nfSyScXj8LvZi7qpAqa2DD8C8qG3wo/1Q+t12Hy3CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T22:10:06.276784Z","bundle_sha256":"09d010433277d5850a8eccd30a6e4f0610124b12d8a4affc33fd93a253e51cfe"}}