{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:GCOEX6BXA37CXQPRWG765KHFOF","short_pith_number":"pith:GCOEX6BX","canonical_record":{"source":{"id":"1807.09820","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-07-25T18:45:19Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"613c7f55e10b5746ca1fe2af5edecae0f984aa690ea7207aac216cc968648b55","abstract_canon_sha256":"0bc7f87a95023dd439db527f9e926d66e0930d4d5f524d8c1d8d3693bcdad4af"},"schema_version":"1.0"},"canonical_sha256":"309c4bf83706fe2bc1f1b1bfeea8e5714b13b1d463a1b9f1a1dd53e127216991","source":{"kind":"arxiv","id":"1807.09820","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.09820","created_at":"2026-05-18T00:09:46Z"},{"alias_kind":"arxiv_version","alias_value":"1807.09820v1","created_at":"2026-05-18T00:09:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.09820","created_at":"2026-05-18T00:09:46Z"},{"alias_kind":"pith_short_12","alias_value":"GCOEX6BXA37C","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GCOEX6BXA37CXQPR","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GCOEX6BX","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:GCOEX6BXA37CXQPRWG765KHFOF","target":"record","payload":{"canonical_record":{"source":{"id":"1807.09820","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-07-25T18:45:19Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"613c7f55e10b5746ca1fe2af5edecae0f984aa690ea7207aac216cc968648b55","abstract_canon_sha256":"0bc7f87a95023dd439db527f9e926d66e0930d4d5f524d8c1d8d3693bcdad4af"},"schema_version":"1.0"},"canonical_sha256":"309c4bf83706fe2bc1f1b1bfeea8e5714b13b1d463a1b9f1a1dd53e127216991","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:46.531141Z","signature_b64":"uz21VvzY1aq3jDAGsDar7VoqVxnGyUmclHGHs4Vgd58hFA9e9y9qm3vqINOL2QyKziSCNkqF16XRptQosxEfCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"309c4bf83706fe2bc1f1b1bfeea8e5714b13b1d463a1b9f1a1dd53e127216991","last_reissued_at":"2026-05-18T00:09:46.530451Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:46.530451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.09820","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":"2026-05-18T00:09:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Zv3Fad4WwAN1R9Z13EcY6qMQrj/1lFhXycNWWW2qAOUJrYp3Xvg9sKgsujLYf+KI0GqWk9Cq8gIgshyUa15Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T23:01:29.488853Z"},"content_sha256":"6fac3c595dade1e0998d6acb58ff542bc104aea248698f559df496920ed0440c","schema_version":"1.0","event_id":"sha256:6fac3c595dade1e0998d6acb58ff542bc104aea248698f559df496920ed0440c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:GCOEX6BXA37CXQPRWG765KHFOF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmic String Wake Detection using 3D Ridgelet Transformations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Disrael Camargo Neves da Cunha (McGill University), Robert Brandenberger, Samuel Laliberte","submitted_at":"2018-07-25T18:45:19Z","abstract_excerpt":"Three-dimensional ridgelet statistics are used to search for the signals of cosmic string wakes in the distribution of dark matter. We compare N-body simulations of the dark matter distribution in cosmological models with and without a cosmic string wake, assuming that the dominant sources of fluctuations are those predicted in the standard $\\Lambda$CDM model. Cosmic string wakes lead to overdense regions with planar topology, and hence three-dimensional ridgelet statistics are a promising analysis tool. The string signal is easier identifiable for larger string tensions and at higher redshift"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.09820","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":"2026-05-18T00:09:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vDYIcyPBvvaVVnci5/3B6aiU64HUMG3jZpT162Tu9T3cNy5gKS7MpWO447l5G38fMxQPR1eGibvClEdh7p6VDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T23:01:29.489578Z"},"content_sha256":"5c822bc491554e9b1aa99c3aeff98cb0db8c027eee7c28f38f2de053dc996048","schema_version":"1.0","event_id":"sha256:5c822bc491554e9b1aa99c3aeff98cb0db8c027eee7c28f38f2de053dc996048"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GCOEX6BXA37CXQPRWG765KHFOF/bundle.json","state_url":"https://pith.science/pith/GCOEX6BXA37CXQPRWG765KHFOF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GCOEX6BXA37CXQPRWG765KHFOF/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":"2026-06-04T23:01:29Z","links":{"resolver":"https://pith.science/pith/GCOEX6BXA37CXQPRWG765KHFOF","bundle":"https://pith.science/pith/GCOEX6BXA37CXQPRWG765KHFOF/bundle.json","state":"https://pith.science/pith/GCOEX6BXA37CXQPRWG765KHFOF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GCOEX6BXA37CXQPRWG765KHFOF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:GCOEX6BXA37CXQPRWG765KHFOF","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":"0bc7f87a95023dd439db527f9e926d66e0930d4d5f524d8c1d8d3693bcdad4af","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-07-25T18:45:19Z","title_canon_sha256":"613c7f55e10b5746ca1fe2af5edecae0f984aa690ea7207aac216cc968648b55"},"schema_version":"1.0","source":{"id":"1807.09820","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.09820","created_at":"2026-05-18T00:09:46Z"},{"alias_kind":"arxiv_version","alias_value":"1807.09820v1","created_at":"2026-05-18T00:09:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.09820","created_at":"2026-05-18T00:09:46Z"},{"alias_kind":"pith_short_12","alias_value":"GCOEX6BXA37C","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GCOEX6BXA37CXQPR","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GCOEX6BX","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:5c822bc491554e9b1aa99c3aeff98cb0db8c027eee7c28f38f2de053dc996048","target":"graph","created_at":"2026-05-18T00:09:46Z","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":"Three-dimensional ridgelet statistics are used to search for the signals of cosmic string wakes in the distribution of dark matter. We compare N-body simulations of the dark matter distribution in cosmological models with and without a cosmic string wake, assuming that the dominant sources of fluctuations are those predicted in the standard $\\Lambda$CDM model. Cosmic string wakes lead to overdense regions with planar topology, and hence three-dimensional ridgelet statistics are a promising analysis tool. The string signal is easier identifiable for larger string tensions and at higher redshift","authors_text":"Disrael Camargo Neves da Cunha (McGill University), Robert Brandenberger, Samuel Laliberte","cross_cats":["gr-qc","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-07-25T18:45:19Z","title":"Cosmic String Wake Detection using 3D Ridgelet Transformations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.09820","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":"sha256:6fac3c595dade1e0998d6acb58ff542bc104aea248698f559df496920ed0440c","target":"record","created_at":"2026-05-18T00:09:46Z","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":"0bc7f87a95023dd439db527f9e926d66e0930d4d5f524d8c1d8d3693bcdad4af","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-07-25T18:45:19Z","title_canon_sha256":"613c7f55e10b5746ca1fe2af5edecae0f984aa690ea7207aac216cc968648b55"},"schema_version":"1.0","source":{"id":"1807.09820","kind":"arxiv","version":1}},"canonical_sha256":"309c4bf83706fe2bc1f1b1bfeea8e5714b13b1d463a1b9f1a1dd53e127216991","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"309c4bf83706fe2bc1f1b1bfeea8e5714b13b1d463a1b9f1a1dd53e127216991","first_computed_at":"2026-05-18T00:09:46.530451Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:46.530451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uz21VvzY1aq3jDAGsDar7VoqVxnGyUmclHGHs4Vgd58hFA9e9y9qm3vqINOL2QyKziSCNkqF16XRptQosxEfCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:46.531141Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.09820","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6fac3c595dade1e0998d6acb58ff542bc104aea248698f559df496920ed0440c","sha256:5c822bc491554e9b1aa99c3aeff98cb0db8c027eee7c28f38f2de053dc996048"],"state_sha256":"2f0fe394c20d32176fc3fa8667c5c0bc44146088371e5dd68911e1134187eebe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aAGLE56BHkbvuWtElCRkZjv4Ldg4xvg46GsKsvUTtxRpVEZzbfgvjI4DSNN+0b2mM5DqmD6OAgk0AjEO0pyQBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T23:01:29.493460Z","bundle_sha256":"806619e880cf3c3480ab707f0931bd181f3da8f89ffc8162d1cb8ecb250a9f6e"}}