{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:CYKHWQXECRSL6CDHOC5A32AHGP","short_pith_number":"pith:CYKHWQXE","canonical_record":{"source":{"id":"2006.11089","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-19T11:49:51Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"607c5a88d8baad2f620bec47ab781a2bd555f39d646fd3138846a4d340f62b4b","abstract_canon_sha256":"d0ad9b82f35bffc012b42f19504298175464aa75bea9d8dd9e3d6ef27b5cc0d3"},"schema_version":"1.0"},"canonical_sha256":"16147b42e41464bf086770ba0de80733f5482d0b04e771908eb696c3c49e596a","source":{"kind":"arxiv","id":"2006.11089","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.11089","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"arxiv_version","alias_value":"2006.11089v2","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.11089","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"pith_short_12","alias_value":"CYKHWQXECRSL","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"pith_short_16","alias_value":"CYKHWQXECRSL6CDH","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"pith_short_8","alias_value":"CYKHWQXE","created_at":"2026-07-05T02:43:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:CYKHWQXECRSL6CDHOC5A32AHGP","target":"record","payload":{"canonical_record":{"source":{"id":"2006.11089","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-19T11:49:51Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"607c5a88d8baad2f620bec47ab781a2bd555f39d646fd3138846a4d340f62b4b","abstract_canon_sha256":"d0ad9b82f35bffc012b42f19504298175464aa75bea9d8dd9e3d6ef27b5cc0d3"},"schema_version":"1.0"},"canonical_sha256":"16147b42e41464bf086770ba0de80733f5482d0b04e771908eb696c3c49e596a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:43:06.964286Z","signature_b64":"Qe142DjG9dzp8HbJwksmqm4mRmIFLZH5MYYQAezrytuJNkvZ0N1lTjPV7hYWqOSakvilkAFba4nSGSfGi2hTCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16147b42e41464bf086770ba0de80733f5482d0b04e771908eb696c3c49e596a","last_reissued_at":"2026-07-05T02:43:06.963792Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:43:06.963792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.11089","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":"2026-07-05T02:43:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U55rT5dafaNseWQ0pBrCt6XT7ZZ/LP5UjFNizV+mO3uL45PHolu5vASZva+tyjyLbhjgFadPkapLN0zYBhKACQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:58:54.284436Z"},"content_sha256":"7828967375b3b6fc0e6dde17e862ca94b83a748cea7c24967251baca8c1167c0","schema_version":"1.0","event_id":"sha256:7828967375b3b6fc0e6dde17e862ca94b83a748cea7c24967251baca8c1167c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:CYKHWQXECRSL6CDHOC5A32AHGP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Three Lyman-alpha emitting filaments converging to a massive galaxy group at z=2.91: discussing the case for cold gas infall","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Calabro, A. Finoguenov, A. Marchal, A. Puglisi, B.S. Kalita, C. D'Eugenio, D.C. Martin, D. Elbaz, D. Liu, D. O'Sullivan, E. Daddi, E. Schinnerer, F. Bournaud, F. Valentino, I. Delvecchio, J.D. Neill, M. Gronke, P. Laursen, R. Coogan, R. Gobat, R.M. Rich, S. Jin, T. Wang, V. Strazzullo","submitted_at":"2020-06-19T11:49:51Z","abstract_excerpt":"We have discovered a 300kpc-wide giant Lya nebula centered on the massive galaxy group RO-1001 at z=2.91 in the COSMOS field. Keck Cosmic Web Imager observations reveal three cold gas filaments converging into the center of the potential well of its ~4x10^13Msun dark matter halo, hosting 1200Msun/yr of star formation as probed by ALMA and NOEMA observations. The nebula morphological and kinematics properties and the prevalence of blueshifted components in the Lya spectra are consistent with a scenario of gas accretion. The upper limits on AGN activity and overall energetics favor gravity as th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.11089","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/2006.11089/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":"2026-07-05T02:43:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MYo7ipoNBPguehfOj3IHbk4LRzey0ZAvLM3x1RxnJJCYL/bqPX7pys0kVBwKXDK3HTac/XgRAhcdl/+Y/FBECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:58:54.285091Z"},"content_sha256":"7754152736b5a3c02854e703b60ed1c32dc384b20d38fd900e2718998efa3876","schema_version":"1.0","event_id":"sha256:7754152736b5a3c02854e703b60ed1c32dc384b20d38fd900e2718998efa3876"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CYKHWQXECRSL6CDHOC5A32AHGP/bundle.json","state_url":"https://pith.science/pith/CYKHWQXECRSL6CDHOC5A32AHGP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CYKHWQXECRSL6CDHOC5A32AHGP/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":"2026-07-05T15:58:54Z","links":{"resolver":"https://pith.science/pith/CYKHWQXECRSL6CDHOC5A32AHGP","bundle":"https://pith.science/pith/CYKHWQXECRSL6CDHOC5A32AHGP/bundle.json","state":"https://pith.science/pith/CYKHWQXECRSL6CDHOC5A32AHGP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CYKHWQXECRSL6CDHOC5A32AHGP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:CYKHWQXECRSL6CDHOC5A32AHGP","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":"d0ad9b82f35bffc012b42f19504298175464aa75bea9d8dd9e3d6ef27b5cc0d3","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-19T11:49:51Z","title_canon_sha256":"607c5a88d8baad2f620bec47ab781a2bd555f39d646fd3138846a4d340f62b4b"},"schema_version":"1.0","source":{"id":"2006.11089","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.11089","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"arxiv_version","alias_value":"2006.11089v2","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.11089","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"pith_short_12","alias_value":"CYKHWQXECRSL","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"pith_short_16","alias_value":"CYKHWQXECRSL6CDH","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"pith_short_8","alias_value":"CYKHWQXE","created_at":"2026-07-05T02:43:06Z"}],"graph_snapshots":[{"event_id":"sha256:7754152736b5a3c02854e703b60ed1c32dc384b20d38fd900e2718998efa3876","target":"graph","created_at":"2026-07-05T02:43:06Z","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/2006.11089/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have discovered a 300kpc-wide giant Lya nebula centered on the massive galaxy group RO-1001 at z=2.91 in the COSMOS field. Keck Cosmic Web Imager observations reveal three cold gas filaments converging into the center of the potential well of its ~4x10^13Msun dark matter halo, hosting 1200Msun/yr of star formation as probed by ALMA and NOEMA observations. The nebula morphological and kinematics properties and the prevalence of blueshifted components in the Lya spectra are consistent with a scenario of gas accretion. The upper limits on AGN activity and overall energetics favor gravity as th","authors_text":"A. Calabro, A. Finoguenov, A. Marchal, A. Puglisi, B.S. Kalita, C. D'Eugenio, D.C. Martin, D. Elbaz, D. Liu, D. O'Sullivan, E. Daddi, E. Schinnerer, F. Bournaud, F. Valentino, I. Delvecchio, J.D. Neill, M. Gronke, P. Laursen, R. Coogan, R. Gobat, R.M. Rich, S. Jin, T. Wang, V. Strazzullo","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-19T11:49:51Z","title":"Three Lyman-alpha emitting filaments converging to a massive galaxy group at z=2.91: discussing the case for cold gas infall"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.11089","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":"sha256:7828967375b3b6fc0e6dde17e862ca94b83a748cea7c24967251baca8c1167c0","target":"record","created_at":"2026-07-05T02:43:06Z","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":"d0ad9b82f35bffc012b42f19504298175464aa75bea9d8dd9e3d6ef27b5cc0d3","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-06-19T11:49:51Z","title_canon_sha256":"607c5a88d8baad2f620bec47ab781a2bd555f39d646fd3138846a4d340f62b4b"},"schema_version":"1.0","source":{"id":"2006.11089","kind":"arxiv","version":2}},"canonical_sha256":"16147b42e41464bf086770ba0de80733f5482d0b04e771908eb696c3c49e596a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"16147b42e41464bf086770ba0de80733f5482d0b04e771908eb696c3c49e596a","first_computed_at":"2026-07-05T02:43:06.963792Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:43:06.963792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qe142DjG9dzp8HbJwksmqm4mRmIFLZH5MYYQAezrytuJNkvZ0N1lTjPV7hYWqOSakvilkAFba4nSGSfGi2hTCA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:43:06.964286Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.11089","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7828967375b3b6fc0e6dde17e862ca94b83a748cea7c24967251baca8c1167c0","sha256:7754152736b5a3c02854e703b60ed1c32dc384b20d38fd900e2718998efa3876"],"state_sha256":"204960a919ef0d91acf73dc0fc1ad49bd6acded7730251e46555ab3527eae89a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ElqBQiP8iFpcEUNJ/v/9XbYFOX97EmTirYYcDy2s+4LFPa0wVf4HhT86OobUnkJIzxL0FrA5ZIISaU6uyQ3rBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:58:54.288185Z","bundle_sha256":"383f9d2a84ec776ed5ce1c14501ddc14dcc524b447b5718bd50ce12f3b9e146b"}}