{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:G3ZL5JAKJ7WQBLIUO5SXETQRZQ","short_pith_number":"pith:G3ZL5JAK","canonical_record":{"source":{"id":"2601.14391","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-01-20T19:00:25Z","cross_cats_sorted":[],"title_canon_sha256":"6006d3238b72a3847dd8d14d94660ba914ebc117616e2a89dd1c18f92cd1940e","abstract_canon_sha256":"8d1d99a2cc1c35464206b8feaa911daa7a39afefb094e9afe0d80e86f88455c6"},"schema_version":"1.0"},"canonical_sha256":"36f2bea40a4fed00ad147765724e11cc3713b4dd14d9332fefcdc0f42786209e","source":{"kind":"arxiv","id":"2601.14391","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.14391","created_at":"2026-06-12T01:09:20Z"},{"alias_kind":"arxiv_version","alias_value":"2601.14391v2","created_at":"2026-06-12T01:09:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.14391","created_at":"2026-06-12T01:09:20Z"},{"alias_kind":"pith_short_12","alias_value":"G3ZL5JAKJ7WQ","created_at":"2026-06-12T01:09:20Z"},{"alias_kind":"pith_short_16","alias_value":"G3ZL5JAKJ7WQBLIU","created_at":"2026-06-12T01:09:20Z"},{"alias_kind":"pith_short_8","alias_value":"G3ZL5JAK","created_at":"2026-06-12T01:09:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:G3ZL5JAKJ7WQBLIUO5SXETQRZQ","target":"record","payload":{"canonical_record":{"source":{"id":"2601.14391","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-01-20T19:00:25Z","cross_cats_sorted":[],"title_canon_sha256":"6006d3238b72a3847dd8d14d94660ba914ebc117616e2a89dd1c18f92cd1940e","abstract_canon_sha256":"8d1d99a2cc1c35464206b8feaa911daa7a39afefb094e9afe0d80e86f88455c6"},"schema_version":"1.0"},"canonical_sha256":"36f2bea40a4fed00ad147765724e11cc3713b4dd14d9332fefcdc0f42786209e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-12T01:09:20.580889Z","signature_b64":"G3dozRN5WAQkroGWTby0/xxqhqHI8et1cbsV6hbwD7pPCJP8CNsvAl9sySH0xD4nBVoZdjyJdtn4d38r1P9ZDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"36f2bea40a4fed00ad147765724e11cc3713b4dd14d9332fefcdc0f42786209e","last_reissued_at":"2026-06-12T01:09:20.580305Z","signature_status":"signed_v1","first_computed_at":"2026-06-12T01:09:20.580305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2601.14391","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":"2026-06-12T01:09:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SdmJpSexfbRgqNcxTv5Eg6qpzfRT+q6IXqOg8gl+yz3bV4LjBkaVfvwqLOwWV9jYREpMLgLAAXl2aB1SduKYCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T13:03:57.258789Z"},"content_sha256":"23b3c157d71d254efc88c9c690f042e40af5caf6f4ced6b8b90f85e38d01bbbf","schema_version":"1.0","event_id":"sha256:23b3c157d71d254efc88c9c690f042e40af5caf6f4ced6b8b90f85e38d01bbbf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:G3ZL5JAKJ7WQBLIUO5SXETQRZQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cold gas formation triggered by active galactic nuclei jet feedback in galaxy cluster cores","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Debora Sijacki, Fabrizio Brighenti, Franco Vazza, Martin A. Bourne, Stefano Sotira","submitted_at":"2026-01-20T19:00:25Z","abstract_excerpt":"Extended warm and cold gas nebulae, with complex morphologies and kinematics, have been observed in the centres of cool-core galaxy clusters. Their origin within the hot intracluster medium (ICM) is still puzzling, and among many mechanisms, positive feedback from the central active galactic nucleus (AGN) has been proposed. In this work, we performed a suite of very high-resolution hydrodynamic simulations of a Perseus-like cool-core galaxy cluster subject to self-regulated AGN jet feedback, which leads to realistic ICM properties. By explicitly following warm ionized, neutral, and molecular g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.14391","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/2601.14391/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":"2026-06-12T01:09:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9da8qFPG6MSbaYrpHdtFDPB/abidNdXst18ghFWwrd08nniz7vz/XKLpZ2otFmv369vCfjat9Eo/u9rNkMdzAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T13:03:57.259172Z"},"content_sha256":"67ef426b09cc909abb7883e9183585e442b516645841e7057154beb3b09d8158","schema_version":"1.0","event_id":"sha256:67ef426b09cc909abb7883e9183585e442b516645841e7057154beb3b09d8158"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G3ZL5JAKJ7WQBLIUO5SXETQRZQ/bundle.json","state_url":"https://pith.science/pith/G3ZL5JAKJ7WQBLIUO5SXETQRZQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G3ZL5JAKJ7WQBLIUO5SXETQRZQ/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":"2026-06-25T13:03:57Z","links":{"resolver":"https://pith.science/pith/G3ZL5JAKJ7WQBLIUO5SXETQRZQ","bundle":"https://pith.science/pith/G3ZL5JAKJ7WQBLIUO5SXETQRZQ/bundle.json","state":"https://pith.science/pith/G3ZL5JAKJ7WQBLIUO5SXETQRZQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G3ZL5JAKJ7WQBLIUO5SXETQRZQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:G3ZL5JAKJ7WQBLIUO5SXETQRZQ","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":"8d1d99a2cc1c35464206b8feaa911daa7a39afefb094e9afe0d80e86f88455c6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-01-20T19:00:25Z","title_canon_sha256":"6006d3238b72a3847dd8d14d94660ba914ebc117616e2a89dd1c18f92cd1940e"},"schema_version":"1.0","source":{"id":"2601.14391","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.14391","created_at":"2026-06-12T01:09:20Z"},{"alias_kind":"arxiv_version","alias_value":"2601.14391v2","created_at":"2026-06-12T01:09:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.14391","created_at":"2026-06-12T01:09:20Z"},{"alias_kind":"pith_short_12","alias_value":"G3ZL5JAKJ7WQ","created_at":"2026-06-12T01:09:20Z"},{"alias_kind":"pith_short_16","alias_value":"G3ZL5JAKJ7WQBLIU","created_at":"2026-06-12T01:09:20Z"},{"alias_kind":"pith_short_8","alias_value":"G3ZL5JAK","created_at":"2026-06-12T01:09:20Z"}],"graph_snapshots":[{"event_id":"sha256:67ef426b09cc909abb7883e9183585e442b516645841e7057154beb3b09d8158","target":"graph","created_at":"2026-06-12T01:09:20Z","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/2601.14391/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Extended warm and cold gas nebulae, with complex morphologies and kinematics, have been observed in the centres of cool-core galaxy clusters. Their origin within the hot intracluster medium (ICM) is still puzzling, and among many mechanisms, positive feedback from the central active galactic nucleus (AGN) has been proposed. In this work, we performed a suite of very high-resolution hydrodynamic simulations of a Perseus-like cool-core galaxy cluster subject to self-regulated AGN jet feedback, which leads to realistic ICM properties. By explicitly following warm ionized, neutral, and molecular g","authors_text":"Debora Sijacki, Fabrizio Brighenti, Franco Vazza, Martin A. Bourne, Stefano Sotira","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-01-20T19:00:25Z","title":"Cold gas formation triggered by active galactic nuclei jet feedback in galaxy cluster cores"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.14391","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":"sha256:23b3c157d71d254efc88c9c690f042e40af5caf6f4ced6b8b90f85e38d01bbbf","target":"record","created_at":"2026-06-12T01:09:20Z","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":"8d1d99a2cc1c35464206b8feaa911daa7a39afefb094e9afe0d80e86f88455c6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-01-20T19:00:25Z","title_canon_sha256":"6006d3238b72a3847dd8d14d94660ba914ebc117616e2a89dd1c18f92cd1940e"},"schema_version":"1.0","source":{"id":"2601.14391","kind":"arxiv","version":2}},"canonical_sha256":"36f2bea40a4fed00ad147765724e11cc3713b4dd14d9332fefcdc0f42786209e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"36f2bea40a4fed00ad147765724e11cc3713b4dd14d9332fefcdc0f42786209e","first_computed_at":"2026-06-12T01:09:20.580305Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-12T01:09:20.580305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G3dozRN5WAQkroGWTby0/xxqhqHI8et1cbsV6hbwD7pPCJP8CNsvAl9sySH0xD4nBVoZdjyJdtn4d38r1P9ZDg==","signature_status":"signed_v1","signed_at":"2026-06-12T01:09:20.580889Z","signed_message":"canonical_sha256_bytes"},"source_id":"2601.14391","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:23b3c157d71d254efc88c9c690f042e40af5caf6f4ced6b8b90f85e38d01bbbf","sha256:67ef426b09cc909abb7883e9183585e442b516645841e7057154beb3b09d8158"],"state_sha256":"02b7c1e9c559a1420e492669d7533153d912118f97cd957d57257fcecf7fe372"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kMzZ6DrW7mX3kYqxnB8F4dhMJO80dzSSIeDJSy3dXDM7ITXaGlD8cutSFJFMDe0aDMLJ1X22wGCWfwV13kxRDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T13:03:57.261226Z","bundle_sha256":"fd1cbe688f970bd6fb3ed3cbfd9fb9580c3dc65a0f27b28bdf5adb890d0499ae"}}