{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:WRAPHJNCBWHFC4QQ5B54LDUO4K","short_pith_number":"pith:WRAPHJNC","canonical_record":{"source":{"id":"2007.10365","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-07-20T18:00:20Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"16bfec4c87b2fa030da87d53f971af93a2b2f2b2a25ee2f100019d4a66375a47","abstract_canon_sha256":"ee9ab1ddc26d6dd3e0ec51efc5a0df492ac080de0addaec7afcd9d881f87eb81"},"schema_version":"1.0"},"canonical_sha256":"b440f3a5a20d8e517210e87bc58e8ee28accd954bf18a438755be94e35c1a71d","source":{"kind":"arxiv","id":"2007.10365","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.10365","created_at":"2026-07-05T02:16:13Z"},{"alias_kind":"arxiv_version","alias_value":"2007.10365v2","created_at":"2026-07-05T02:16:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.10365","created_at":"2026-07-05T02:16:13Z"},{"alias_kind":"pith_short_12","alias_value":"WRAPHJNCBWHF","created_at":"2026-07-05T02:16:13Z"},{"alias_kind":"pith_short_16","alias_value":"WRAPHJNCBWHFC4QQ","created_at":"2026-07-05T02:16:13Z"},{"alias_kind":"pith_short_8","alias_value":"WRAPHJNC","created_at":"2026-07-05T02:16:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:WRAPHJNCBWHFC4QQ5B54LDUO4K","target":"record","payload":{"canonical_record":{"source":{"id":"2007.10365","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-07-20T18:00:20Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"16bfec4c87b2fa030da87d53f971af93a2b2f2b2a25ee2f100019d4a66375a47","abstract_canon_sha256":"ee9ab1ddc26d6dd3e0ec51efc5a0df492ac080de0addaec7afcd9d881f87eb81"},"schema_version":"1.0"},"canonical_sha256":"b440f3a5a20d8e517210e87bc58e8ee28accd954bf18a438755be94e35c1a71d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:16:13.866511Z","signature_b64":"oFYbzlSS/BtP6WJUMGq4Eg8sa6lbzqJ5GLmBNifEw4JTkvctuhNVGE+TxmMUAZnx/gSPUpwvglf0+ABPm/AqDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b440f3a5a20d8e517210e87bc58e8ee28accd954bf18a438755be94e35c1a71d","last_reissued_at":"2026-07-05T02:16:13.865877Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:16:13.865877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.10365","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:16:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/z5svpfUaoAa+h6x5OkTN89V9anrsDB2btdgnsgQqJg90CxwvpfIELjZVD916Dy0DAsMHlJjQoKnBk15V1RvCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T19:49:34.365548Z"},"content_sha256":"52ebefb17686460cd0d50844e0cef313908a73d9b2d946268157a50d5ac5a11f","schema_version":"1.0","event_id":"sha256:52ebefb17686460cd0d50844e0cef313908a73d9b2d946268157a50d5ac5a11f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:WRAPHJNCBWHFC4QQ5B54LDUO4K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmic Ballet III: halo spin evolution in the cosmic web","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Carlos S. Frenk, Elmo Tempel, Marius Cautun, Punyakoti Ganeshaiah Veena, Rien van de Weygaert","submitted_at":"2020-07-20T18:00:20Z","abstract_excerpt":"We explore the evolution of halo spins in the cosmic web using a very large sample of dark matter haloes in the $\\Lambda$CDM Planck-Millennium N-body simulation. We use the NEXUS+ multiscale formalism to identify the hierarchy of filaments and sheets of the cosmic web at several redshifts. We find that at all times the magnitude of halo spins correlates with the web environment, being largest in filaments, and, for the first time, we show that it also correlates with filament thickness as well as the angle between spin-orientation and the spine of the host filament. For example, massive haloes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.10365","kind":"arxiv","version":2},"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/2007.10365/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":"2026-07-05T02:16:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jh80zgywRSuay8MpwxdHtTs3ELQoYceFihoP/c7Ko9v04va3rvrF0H7XxdA5mTcyiyxTafaPuVoK0c8KNwKaCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T19:49:34.366053Z"},"content_sha256":"b792a1a7eaaa0e57c6e2cdeebd8e3d3505176d7a022f64e45aaec25748b0e664","schema_version":"1.0","event_id":"sha256:b792a1a7eaaa0e57c6e2cdeebd8e3d3505176d7a022f64e45aaec25748b0e664"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WRAPHJNCBWHFC4QQ5B54LDUO4K/bundle.json","state_url":"https://pith.science/pith/WRAPHJNCBWHFC4QQ5B54LDUO4K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WRAPHJNCBWHFC4QQ5B54LDUO4K/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":"2026-08-05T19:49:34Z","links":{"resolver":"https://pith.science/pith/WRAPHJNCBWHFC4QQ5B54LDUO4K","bundle":"https://pith.science/pith/WRAPHJNCBWHFC4QQ5B54LDUO4K/bundle.json","state":"https://pith.science/pith/WRAPHJNCBWHFC4QQ5B54LDUO4K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WRAPHJNCBWHFC4QQ5B54LDUO4K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:WRAPHJNCBWHFC4QQ5B54LDUO4K","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":"ee9ab1ddc26d6dd3e0ec51efc5a0df492ac080de0addaec7afcd9d881f87eb81","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-07-20T18:00:20Z","title_canon_sha256":"16bfec4c87b2fa030da87d53f971af93a2b2f2b2a25ee2f100019d4a66375a47"},"schema_version":"1.0","source":{"id":"2007.10365","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.10365","created_at":"2026-07-05T02:16:13Z"},{"alias_kind":"arxiv_version","alias_value":"2007.10365v2","created_at":"2026-07-05T02:16:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.10365","created_at":"2026-07-05T02:16:13Z"},{"alias_kind":"pith_short_12","alias_value":"WRAPHJNCBWHF","created_at":"2026-07-05T02:16:13Z"},{"alias_kind":"pith_short_16","alias_value":"WRAPHJNCBWHFC4QQ","created_at":"2026-07-05T02:16:13Z"},{"alias_kind":"pith_short_8","alias_value":"WRAPHJNC","created_at":"2026-07-05T02:16:13Z"}],"graph_snapshots":[{"event_id":"sha256:b792a1a7eaaa0e57c6e2cdeebd8e3d3505176d7a022f64e45aaec25748b0e664","target":"graph","created_at":"2026-07-05T02:16:13Z","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/2007.10365/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We explore the evolution of halo spins in the cosmic web using a very large sample of dark matter haloes in the $\\Lambda$CDM Planck-Millennium N-body simulation. We use the NEXUS+ multiscale formalism to identify the hierarchy of filaments and sheets of the cosmic web at several redshifts. We find that at all times the magnitude of halo spins correlates with the web environment, being largest in filaments, and, for the first time, we show that it also correlates with filament thickness as well as the angle between spin-orientation and the spine of the host filament. For example, massive haloes","authors_text":"Carlos S. Frenk, Elmo Tempel, Marius Cautun, Punyakoti Ganeshaiah Veena, Rien van de Weygaert","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-07-20T18:00:20Z","title":"Cosmic Ballet III: halo spin evolution in the cosmic web"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.10365","kind":"arxiv","version":2},"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":"sha256:52ebefb17686460cd0d50844e0cef313908a73d9b2d946268157a50d5ac5a11f","target":"record","created_at":"2026-07-05T02:16:13Z","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":"ee9ab1ddc26d6dd3e0ec51efc5a0df492ac080de0addaec7afcd9d881f87eb81","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-07-20T18:00:20Z","title_canon_sha256":"16bfec4c87b2fa030da87d53f971af93a2b2f2b2a25ee2f100019d4a66375a47"},"schema_version":"1.0","source":{"id":"2007.10365","kind":"arxiv","version":2}},"canonical_sha256":"b440f3a5a20d8e517210e87bc58e8ee28accd954bf18a438755be94e35c1a71d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b440f3a5a20d8e517210e87bc58e8ee28accd954bf18a438755be94e35c1a71d","first_computed_at":"2026-07-05T02:16:13.865877Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:16:13.865877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oFYbzlSS/BtP6WJUMGq4Eg8sa6lbzqJ5GLmBNifEw4JTkvctuhNVGE+TxmMUAZnx/gSPUpwvglf0+ABPm/AqDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:16:13.866511Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.10365","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:52ebefb17686460cd0d50844e0cef313908a73d9b2d946268157a50d5ac5a11f","sha256:b792a1a7eaaa0e57c6e2cdeebd8e3d3505176d7a022f64e45aaec25748b0e664"],"state_sha256":"566de14f059e121ecbafdfc556102d49caa0a10bfaa716a0ecf8f0dc256fd7bc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wu/HmE7MfYLOVEEr7fhefG+HMKAHPv+SbZ7b3dlbJbKxrnkO5Y2cso5nrv1zpQR00WnPvT+Rg9qniJQQ37SoAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T19:49:34.371944Z","bundle_sha256":"36aa16c7a20035dcf7699a68efbf222a9eb39eee61436cbcdc71c09b55cc950b"}}