{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:BEGJDGYJCWOZEGMFMPSA77JEXA","short_pith_number":"pith:BEGJDGYJ","canonical_record":{"source":{"id":"2203.00720","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-03-01T19:51:59Z","cross_cats_sorted":[],"title_canon_sha256":"88e6c195394f11ff7b5dfcb7b3713bbbf48c23d69f69d75dc715b83b8627f4c5","abstract_canon_sha256":"e1496cc4414abae4d26996bcdaedb423b0ac2979cd04fa6a95906b3cfbdd954d"},"schema_version":"1.0"},"canonical_sha256":"090c919b09159d92198563e40ffd24b8251bc988813ccc5dbd6a38d2f97502b0","source":{"kind":"arxiv","id":"2203.00720","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.00720","created_at":"2026-07-05T04:01:22Z"},{"alias_kind":"arxiv_version","alias_value":"2203.00720v1","created_at":"2026-07-05T04:01:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.00720","created_at":"2026-07-05T04:01:22Z"},{"alias_kind":"pith_short_12","alias_value":"BEGJDGYJCWOZ","created_at":"2026-07-05T04:01:22Z"},{"alias_kind":"pith_short_16","alias_value":"BEGJDGYJCWOZEGMF","created_at":"2026-07-05T04:01:22Z"},{"alias_kind":"pith_short_8","alias_value":"BEGJDGYJ","created_at":"2026-07-05T04:01:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:BEGJDGYJCWOZEGMFMPSA77JEXA","target":"record","payload":{"canonical_record":{"source":{"id":"2203.00720","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-03-01T19:51:59Z","cross_cats_sorted":[],"title_canon_sha256":"88e6c195394f11ff7b5dfcb7b3713bbbf48c23d69f69d75dc715b83b8627f4c5","abstract_canon_sha256":"e1496cc4414abae4d26996bcdaedb423b0ac2979cd04fa6a95906b3cfbdd954d"},"schema_version":"1.0"},"canonical_sha256":"090c919b09159d92198563e40ffd24b8251bc988813ccc5dbd6a38d2f97502b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:01:22.853003Z","signature_b64":"coEqEbzIqfgnLSxZta+fSP0W0LXkAXESEXlsl74qI3jedIS6hTi6h5J65UEFTAxu1edlA50Ryn+byfEa3tLGBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"090c919b09159d92198563e40ffd24b8251bc988813ccc5dbd6a38d2f97502b0","last_reissued_at":"2026-07-05T04:01:22.852584Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:01:22.852584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.00720","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":"2026-07-05T04:01:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nndMYqEucJanIVQmx7zVJbge7m8wvr+duExWDppATLLvyjhIqC2v0n1WzUPZyj6axyjmoUZyG5IXyJTwIST8Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:47:15.375229Z"},"content_sha256":"fe07bd2edbca549cbf595ef291a5cea61d67d292d1868458eddb75e2228524ed","schema_version":"1.0","event_id":"sha256:fe07bd2edbca549cbf595ef291a5cea61d67d292d1868458eddb75e2228524ed"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:BEGJDGYJCWOZEGMFMPSA77JEXA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Long Tails of the Pegasus-Pisces Arch Intermediate Velocity Cloud","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"J. E. Galyardt, K. Tachihara, M. C. Parker, M. E. Williams, R. L. Shelton, Y. Fukui","submitted_at":"2022-03-01T19:51:59Z","abstract_excerpt":"We present hydrodynamic simulations of the Pegasus-Pisces (PP Arch), an intermediate velocity cloud in our Galaxy. The PP Arch, also known as IVC 86-36, is unique among intermediate and high velocity clouds, because its twin tails are unusually long and narrow. Its -50 km/s line-of-sight velocity qualifies it as an intermediate velocity cloud, but the tails' orientations indicate that the cloud's total three-dimensional speed is at least ~100 km/s. This speed is supersonic in the Reynold's Layer and thick disk. We simulated the cloud as it travels supersonically through the Galactic thick and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.00720","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/2203.00720/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":"2026-07-05T04:01:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q/7rbqd6R1kxPVw0uto3ibdsg1Tnv3e2aGxA8oiXZI5Df4KqT6ik5HMceA3pnfS15xdqTxNr2S+7JBoezvEhBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:47:15.375614Z"},"content_sha256":"bfaa88ea7ba0a2480cd2967fb4ee2ad8a3b74964dc772df3c03bb0b8c2e2cc42","schema_version":"1.0","event_id":"sha256:bfaa88ea7ba0a2480cd2967fb4ee2ad8a3b74964dc772df3c03bb0b8c2e2cc42"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BEGJDGYJCWOZEGMFMPSA77JEXA/bundle.json","state_url":"https://pith.science/pith/BEGJDGYJCWOZEGMFMPSA77JEXA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BEGJDGYJCWOZEGMFMPSA77JEXA/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":"2026-07-07T08:47:15Z","links":{"resolver":"https://pith.science/pith/BEGJDGYJCWOZEGMFMPSA77JEXA","bundle":"https://pith.science/pith/BEGJDGYJCWOZEGMFMPSA77JEXA/bundle.json","state":"https://pith.science/pith/BEGJDGYJCWOZEGMFMPSA77JEXA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BEGJDGYJCWOZEGMFMPSA77JEXA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:BEGJDGYJCWOZEGMFMPSA77JEXA","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":"e1496cc4414abae4d26996bcdaedb423b0ac2979cd04fa6a95906b3cfbdd954d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-03-01T19:51:59Z","title_canon_sha256":"88e6c195394f11ff7b5dfcb7b3713bbbf48c23d69f69d75dc715b83b8627f4c5"},"schema_version":"1.0","source":{"id":"2203.00720","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.00720","created_at":"2026-07-05T04:01:22Z"},{"alias_kind":"arxiv_version","alias_value":"2203.00720v1","created_at":"2026-07-05T04:01:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.00720","created_at":"2026-07-05T04:01:22Z"},{"alias_kind":"pith_short_12","alias_value":"BEGJDGYJCWOZ","created_at":"2026-07-05T04:01:22Z"},{"alias_kind":"pith_short_16","alias_value":"BEGJDGYJCWOZEGMF","created_at":"2026-07-05T04:01:22Z"},{"alias_kind":"pith_short_8","alias_value":"BEGJDGYJ","created_at":"2026-07-05T04:01:22Z"}],"graph_snapshots":[{"event_id":"sha256:bfaa88ea7ba0a2480cd2967fb4ee2ad8a3b74964dc772df3c03bb0b8c2e2cc42","target":"graph","created_at":"2026-07-05T04:01:22Z","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/2203.00720/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present hydrodynamic simulations of the Pegasus-Pisces (PP Arch), an intermediate velocity cloud in our Galaxy. The PP Arch, also known as IVC 86-36, is unique among intermediate and high velocity clouds, because its twin tails are unusually long and narrow. Its -50 km/s line-of-sight velocity qualifies it as an intermediate velocity cloud, but the tails' orientations indicate that the cloud's total three-dimensional speed is at least ~100 km/s. This speed is supersonic in the Reynold's Layer and thick disk. We simulated the cloud as it travels supersonically through the Galactic thick and ","authors_text":"J. E. Galyardt, K. Tachihara, M. C. Parker, M. E. Williams, R. L. Shelton, Y. Fukui","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-03-01T19:51:59Z","title":"The Long Tails of the Pegasus-Pisces Arch Intermediate Velocity Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.00720","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:fe07bd2edbca549cbf595ef291a5cea61d67d292d1868458eddb75e2228524ed","target":"record","created_at":"2026-07-05T04:01:22Z","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":"e1496cc4414abae4d26996bcdaedb423b0ac2979cd04fa6a95906b3cfbdd954d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-03-01T19:51:59Z","title_canon_sha256":"88e6c195394f11ff7b5dfcb7b3713bbbf48c23d69f69d75dc715b83b8627f4c5"},"schema_version":"1.0","source":{"id":"2203.00720","kind":"arxiv","version":1}},"canonical_sha256":"090c919b09159d92198563e40ffd24b8251bc988813ccc5dbd6a38d2f97502b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"090c919b09159d92198563e40ffd24b8251bc988813ccc5dbd6a38d2f97502b0","first_computed_at":"2026-07-05T04:01:22.852584Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:01:22.852584Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"coEqEbzIqfgnLSxZta+fSP0W0LXkAXESEXlsl74qI3jedIS6hTi6h5J65UEFTAxu1edlA50Ryn+byfEa3tLGBA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:01:22.853003Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.00720","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe07bd2edbca549cbf595ef291a5cea61d67d292d1868458eddb75e2228524ed","sha256:bfaa88ea7ba0a2480cd2967fb4ee2ad8a3b74964dc772df3c03bb0b8c2e2cc42"],"state_sha256":"4fbc4beb1ed360989cfab1031a7163ab2bc82ca2e507d9d5521f6e9effa37e99"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SazMLx+227DcdJl3zhSKfcpQBfYVRXrn/bD7b+jBTuONm39oXYD8Vfm8XnxmdWWTvgALo9k3Y4KM17RZvszTDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T08:47:15.377607Z","bundle_sha256":"7f1383bf51df84cf0f39337649f3c593793310ce11925875e4360a746d4077b3"}}