{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:KR4BLCRRQEKMECCO3EK36GQVG4","short_pith_number":"pith:KR4BLCRR","canonical_record":{"source":{"id":"1911.00521","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-01T18:00:03Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"b510ad765cab0c22e91035533b058f7fe411078ba22b04cdcdd8908e55cc145f","abstract_canon_sha256":"4221a2280a91c17dfb18ef0dccc71dfb277d8b53523a7645f19e98d0597a9829"},"schema_version":"1.0"},"canonical_sha256":"5478158a318114c2084ed915bf1a153705ac6f53df729fd86a093e918f70c9ed","source":{"kind":"arxiv","id":"1911.00521","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.00521","created_at":"2026-07-05T00:31:29Z"},{"alias_kind":"arxiv_version","alias_value":"1911.00521v1","created_at":"2026-07-05T00:31:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.00521","created_at":"2026-07-05T00:31:29Z"},{"alias_kind":"pith_short_12","alias_value":"KR4BLCRRQEKM","created_at":"2026-07-05T00:31:29Z"},{"alias_kind":"pith_short_16","alias_value":"KR4BLCRRQEKMECCO","created_at":"2026-07-05T00:31:29Z"},{"alias_kind":"pith_short_8","alias_value":"KR4BLCRR","created_at":"2026-07-05T00:31:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:KR4BLCRRQEKMECCO3EK36GQVG4","target":"record","payload":{"canonical_record":{"source":{"id":"1911.00521","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-01T18:00:03Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"b510ad765cab0c22e91035533b058f7fe411078ba22b04cdcdd8908e55cc145f","abstract_canon_sha256":"4221a2280a91c17dfb18ef0dccc71dfb277d8b53523a7645f19e98d0597a9829"},"schema_version":"1.0"},"canonical_sha256":"5478158a318114c2084ed915bf1a153705ac6f53df729fd86a093e918f70c9ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:31:29.484066Z","signature_b64":"YqjhWfZZWN39GMDanV9EpjDV46NoRfAWyL/d+sO6kPtM4SjtbBGy/8zt1md3nV82gb7xNkBL3uOHzht6Bvk/BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5478158a318114c2084ed915bf1a153705ac6f53df729fd86a093e918f70c9ed","last_reissued_at":"2026-07-05T00:31:29.483602Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:31:29.483602Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.00521","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":"2026-07-05T00:31:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oHgUvC8rq/M+QW+IgJPgAcUqSo0oBBAtaFQlRKfA8jPRRRuYEQEAoHJGtL4Y+ZiGvgftCl42jtrMDOv7wmf/Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T01:32:56.614223Z"},"content_sha256":"2327317633a192d507cc6994e659d4502457c7afa1f1879c68ed2b37bde90295","schema_version":"1.0","event_id":"sha256:2327317633a192d507cc6994e659d4502457c7afa1f1879c68ed2b37bde90295"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:KR4BLCRRQEKMECCO3EK36GQVG4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Projected velocity statistics of interstellar turbulence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"Siyao Xu","submitted_at":"2019-11-01T18:00:03Z","abstract_excerpt":"Velocity statistics is a direct probe of the dynamics of interstellar turbulence. Its observational measurements are very challenging due to the convolution between density and velocity and projection effects. We introduce the projected velocity structure function, which can be generally applied to statistical studies of both sub- and super-sonic turbulence in different interstellar phases. It recovers the turbulent velocity spectrum from the projected velocity field in different regimes, and when the thickness of a cloud is less than the driving scale of turbulence, it can also be used to det"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.00521","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/1911.00521/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":"2026-07-05T00:31:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ad+FvcTtmUqywnJfQurm29ObTzdh15k8XUtHXLyqt05vEDaY02FkXuEdJCV+T/rmtX5EumrMiq4wNubIoW5rAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T01:32:56.614616Z"},"content_sha256":"1c967642b1459ff076bdaba77998ea38d4a198c47e1f9de603b4ff9047ae8987","schema_version":"1.0","event_id":"sha256:1c967642b1459ff076bdaba77998ea38d4a198c47e1f9de603b4ff9047ae8987"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KR4BLCRRQEKMECCO3EK36GQVG4/bundle.json","state_url":"https://pith.science/pith/KR4BLCRRQEKMECCO3EK36GQVG4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KR4BLCRRQEKMECCO3EK36GQVG4/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":"2026-08-05T01:32:56Z","links":{"resolver":"https://pith.science/pith/KR4BLCRRQEKMECCO3EK36GQVG4","bundle":"https://pith.science/pith/KR4BLCRRQEKMECCO3EK36GQVG4/bundle.json","state":"https://pith.science/pith/KR4BLCRRQEKMECCO3EK36GQVG4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KR4BLCRRQEKMECCO3EK36GQVG4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:KR4BLCRRQEKMECCO3EK36GQVG4","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":"4221a2280a91c17dfb18ef0dccc71dfb277d8b53523a7645f19e98d0597a9829","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-01T18:00:03Z","title_canon_sha256":"b510ad765cab0c22e91035533b058f7fe411078ba22b04cdcdd8908e55cc145f"},"schema_version":"1.0","source":{"id":"1911.00521","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.00521","created_at":"2026-07-05T00:31:29Z"},{"alias_kind":"arxiv_version","alias_value":"1911.00521v1","created_at":"2026-07-05T00:31:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.00521","created_at":"2026-07-05T00:31:29Z"},{"alias_kind":"pith_short_12","alias_value":"KR4BLCRRQEKM","created_at":"2026-07-05T00:31:29Z"},{"alias_kind":"pith_short_16","alias_value":"KR4BLCRRQEKMECCO","created_at":"2026-07-05T00:31:29Z"},{"alias_kind":"pith_short_8","alias_value":"KR4BLCRR","created_at":"2026-07-05T00:31:29Z"}],"graph_snapshots":[{"event_id":"sha256:1c967642b1459ff076bdaba77998ea38d4a198c47e1f9de603b4ff9047ae8987","target":"graph","created_at":"2026-07-05T00:31:29Z","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/1911.00521/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Velocity statistics is a direct probe of the dynamics of interstellar turbulence. Its observational measurements are very challenging due to the convolution between density and velocity and projection effects. We introduce the projected velocity structure function, which can be generally applied to statistical studies of both sub- and super-sonic turbulence in different interstellar phases. It recovers the turbulent velocity spectrum from the projected velocity field in different regimes, and when the thickness of a cloud is less than the driving scale of turbulence, it can also be used to det","authors_text":"Siyao Xu","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-01T18:00:03Z","title":"Projected velocity statistics of interstellar turbulence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.00521","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":"sha256:2327317633a192d507cc6994e659d4502457c7afa1f1879c68ed2b37bde90295","target":"record","created_at":"2026-07-05T00:31:29Z","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":"4221a2280a91c17dfb18ef0dccc71dfb277d8b53523a7645f19e98d0597a9829","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-11-01T18:00:03Z","title_canon_sha256":"b510ad765cab0c22e91035533b058f7fe411078ba22b04cdcdd8908e55cc145f"},"schema_version":"1.0","source":{"id":"1911.00521","kind":"arxiv","version":1}},"canonical_sha256":"5478158a318114c2084ed915bf1a153705ac6f53df729fd86a093e918f70c9ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5478158a318114c2084ed915bf1a153705ac6f53df729fd86a093e918f70c9ed","first_computed_at":"2026-07-05T00:31:29.483602Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:31:29.483602Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YqjhWfZZWN39GMDanV9EpjDV46NoRfAWyL/d+sO6kPtM4SjtbBGy/8zt1md3nV82gb7xNkBL3uOHzht6Bvk/BA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:31:29.484066Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.00521","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2327317633a192d507cc6994e659d4502457c7afa1f1879c68ed2b37bde90295","sha256:1c967642b1459ff076bdaba77998ea38d4a198c47e1f9de603b4ff9047ae8987"],"state_sha256":"8b07bbded8e1172848fcf2f36c2deed072810093ddeb6fc5e826a03479777c53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pXeXXLS9DmrUrAs7u3sxkTYC7+0gGtQNRohyfs74THNPWP3p7qBogCJ8L52qIt1af8SVUs5r1NEyiC3d0vTABA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T01:32:56.617167Z","bundle_sha256":"9f1dd7ad2338fa71cc8d1d5c0dcc51c03df43e85f66881c479f5bf660f30c7a1"}}