{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:TVTKSTNFW3625FJM7PTZEYAT4E","short_pith_number":"pith:TVTKSTNF","canonical_record":{"source":{"id":"1511.03660","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-11T21:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"e469c7287490657cc026b0e80c9087c63138d4521a535e416cd9e97036fbd1e4","abstract_canon_sha256":"1ae6165ec7b55e4b29e829b54151f15cff62ebb4273457006ec38d694012ef5d"},"schema_version":"1.0"},"canonical_sha256":"9d66a94da5b6fdae952cfbe7926013e10d4d8a537b9a1296d66eeb93394cf6ec","source":{"kind":"arxiv","id":"1511.03660","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.03660","created_at":"2026-05-18T01:08:43Z"},{"alias_kind":"arxiv_version","alias_value":"1511.03660v1","created_at":"2026-05-18T01:08:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.03660","created_at":"2026-05-18T01:08:43Z"},{"alias_kind":"pith_short_12","alias_value":"TVTKSTNFW362","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TVTKSTNFW3625FJM","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TVTKSTNF","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:TVTKSTNFW3625FJM7PTZEYAT4E","target":"record","payload":{"canonical_record":{"source":{"id":"1511.03660","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-11T21:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"e469c7287490657cc026b0e80c9087c63138d4521a535e416cd9e97036fbd1e4","abstract_canon_sha256":"1ae6165ec7b55e4b29e829b54151f15cff62ebb4273457006ec38d694012ef5d"},"schema_version":"1.0"},"canonical_sha256":"9d66a94da5b6fdae952cfbe7926013e10d4d8a537b9a1296d66eeb93394cf6ec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:43.187819Z","signature_b64":"aahpdpbtjeqS4xIpviGAV8gLq3qcYhQYmwHQGY2Fw9o/sFCwmDm+rSqSTE1O7dKlor2YcH0FHJOhrTuX3RPLAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d66a94da5b6fdae952cfbe7926013e10d4d8a537b9a1296d66eeb93394cf6ec","last_reissued_at":"2026-05-18T01:08:43.187282Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:43.187282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.03660","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":"2026-05-18T01:08:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gM8tlwpcq6GQioYBkYS1+ydqWhMv6B3OfKwhYPrZvBCgBhX8PsjnmqfaK4+o2hcvjBmRI6RMcK0ldk6Mi36BAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T11:44:57.342039Z"},"content_sha256":"361edd4b5b0130ddaf6a25d58e434647853626d29a1ee2105404f9f977b5e7f8","schema_version":"1.0","event_id":"sha256:361edd4b5b0130ddaf6a25d58e434647853626d29a1ee2105404f9f977b5e7f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:TVTKSTNFW3625FJM7PTZEYAT4E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Phase Coherence of Interstellar Density Fluctuations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alex Lazarian, Blakesley Burkhart","submitted_at":"2015-11-11T21:00:00Z","abstract_excerpt":"Studies of MHD turbulence often investigate the Fourier power spectrum to provide information on the nature of the turbulence cascade. However, the Fourier power spectrum only contains the Fourier amplitudes and rejects all information regarding the Fourier phases. Here we investigate the utility of two statistical diagnostics for recovering information on Fourier phases in ISM density data: the averaged amplitudes of the bispectrum and the phase coherence index (PCI), a new phase technique for the ISM. We create 3D density and 2D column density maps using a set of simulations of isothermal id"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.03660","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":"2026-05-18T01:08:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5siJ3CyqVjMlvE+3yLrWntGVeQGZTdTNlwbW9Hu/xDSZeDAXoiQdOZ8oYPpSnEQ6DX0g3cdf6V5+an86D/hUCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T11:44:57.342575Z"},"content_sha256":"4bfd7ba4031ead8f270ca2df3686c29d8bd4a75ede63ff9f463f50634f04630e","schema_version":"1.0","event_id":"sha256:4bfd7ba4031ead8f270ca2df3686c29d8bd4a75ede63ff9f463f50634f04630e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TVTKSTNFW3625FJM7PTZEYAT4E/bundle.json","state_url":"https://pith.science/pith/TVTKSTNFW3625FJM7PTZEYAT4E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TVTKSTNFW3625FJM7PTZEYAT4E/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":"2026-06-11T11:44:57Z","links":{"resolver":"https://pith.science/pith/TVTKSTNFW3625FJM7PTZEYAT4E","bundle":"https://pith.science/pith/TVTKSTNFW3625FJM7PTZEYAT4E/bundle.json","state":"https://pith.science/pith/TVTKSTNFW3625FJM7PTZEYAT4E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TVTKSTNFW3625FJM7PTZEYAT4E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TVTKSTNFW3625FJM7PTZEYAT4E","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":"1ae6165ec7b55e4b29e829b54151f15cff62ebb4273457006ec38d694012ef5d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-11T21:00:00Z","title_canon_sha256":"e469c7287490657cc026b0e80c9087c63138d4521a535e416cd9e97036fbd1e4"},"schema_version":"1.0","source":{"id":"1511.03660","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.03660","created_at":"2026-05-18T01:08:43Z"},{"alias_kind":"arxiv_version","alias_value":"1511.03660v1","created_at":"2026-05-18T01:08:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.03660","created_at":"2026-05-18T01:08:43Z"},{"alias_kind":"pith_short_12","alias_value":"TVTKSTNFW362","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TVTKSTNFW3625FJM","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TVTKSTNF","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:4bfd7ba4031ead8f270ca2df3686c29d8bd4a75ede63ff9f463f50634f04630e","target":"graph","created_at":"2026-05-18T01:08:43Z","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":"Studies of MHD turbulence often investigate the Fourier power spectrum to provide information on the nature of the turbulence cascade. However, the Fourier power spectrum only contains the Fourier amplitudes and rejects all information regarding the Fourier phases. Here we investigate the utility of two statistical diagnostics for recovering information on Fourier phases in ISM density data: the averaged amplitudes of the bispectrum and the phase coherence index (PCI), a new phase technique for the ISM. We create 3D density and 2D column density maps using a set of simulations of isothermal id","authors_text":"Alex Lazarian, Blakesley Burkhart","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-11T21:00:00Z","title":"The Phase Coherence of Interstellar Density Fluctuations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.03660","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":"sha256:361edd4b5b0130ddaf6a25d58e434647853626d29a1ee2105404f9f977b5e7f8","target":"record","created_at":"2026-05-18T01:08:43Z","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":"1ae6165ec7b55e4b29e829b54151f15cff62ebb4273457006ec38d694012ef5d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-11T21:00:00Z","title_canon_sha256":"e469c7287490657cc026b0e80c9087c63138d4521a535e416cd9e97036fbd1e4"},"schema_version":"1.0","source":{"id":"1511.03660","kind":"arxiv","version":1}},"canonical_sha256":"9d66a94da5b6fdae952cfbe7926013e10d4d8a537b9a1296d66eeb93394cf6ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d66a94da5b6fdae952cfbe7926013e10d4d8a537b9a1296d66eeb93394cf6ec","first_computed_at":"2026-05-18T01:08:43.187282Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:43.187282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aahpdpbtjeqS4xIpviGAV8gLq3qcYhQYmwHQGY2Fw9o/sFCwmDm+rSqSTE1O7dKlor2YcH0FHJOhrTuX3RPLAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:43.187819Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.03660","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:361edd4b5b0130ddaf6a25d58e434647853626d29a1ee2105404f9f977b5e7f8","sha256:4bfd7ba4031ead8f270ca2df3686c29d8bd4a75ede63ff9f463f50634f04630e"],"state_sha256":"e470700af8d3b6003340ee67df882308eb2e6e33f7f56d842d8ee045d2d5eb23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rAfPG39I5iS8VJFl/8LA/RXy/BkKP5+bfpIhYMPdv8NO4HkK7gy/yLUgyoKJQosvJgVi0f3mtpjnxU5rhNQhCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T11:44:57.345200Z","bundle_sha256":"4fd9cfc20727c56c546cdfb77ff6b330a798d7aecec2dfdff991f263588c71d6"}}