{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:3OC7KTE4Y3KKNSFRIMYR4KVD7C","short_pith_number":"pith:3OC7KTE4","canonical_record":{"source":{"id":"2001.10756","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-01-29T10:56:28Z","cross_cats_sorted":[],"title_canon_sha256":"e019553143838778fc1e885e9e389841bd2391c96473b69b1343fb15cce9162c","abstract_canon_sha256":"c32535237cacf756d9b07be1bd9c3deed5abe8295dfac0fbbd52411114e36416"},"schema_version":"1.0"},"canonical_sha256":"db85f54c9cc6d4a6c8b143311e2aa3f8ac2550d157f33679d31490c622d3fa6b","source":{"kind":"arxiv","id":"2001.10756","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.10756","created_at":"2026-07-05T01:12:35Z"},{"alias_kind":"arxiv_version","alias_value":"2001.10756v2","created_at":"2026-07-05T01:12:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.10756","created_at":"2026-07-05T01:12:35Z"},{"alias_kind":"pith_short_12","alias_value":"3OC7KTE4Y3KK","created_at":"2026-07-05T01:12:35Z"},{"alias_kind":"pith_short_16","alias_value":"3OC7KTE4Y3KKNSFR","created_at":"2026-07-05T01:12:35Z"},{"alias_kind":"pith_short_8","alias_value":"3OC7KTE4","created_at":"2026-07-05T01:12:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:3OC7KTE4Y3KKNSFRIMYR4KVD7C","target":"record","payload":{"canonical_record":{"source":{"id":"2001.10756","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-01-29T10:56:28Z","cross_cats_sorted":[],"title_canon_sha256":"e019553143838778fc1e885e9e389841bd2391c96473b69b1343fb15cce9162c","abstract_canon_sha256":"c32535237cacf756d9b07be1bd9c3deed5abe8295dfac0fbbd52411114e36416"},"schema_version":"1.0"},"canonical_sha256":"db85f54c9cc6d4a6c8b143311e2aa3f8ac2550d157f33679d31490c622d3fa6b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:12:35.219939Z","signature_b64":"UZ5ZRkeZCVTfj6nk4U/hMExK5/FKOEPIkWPT28Jc8Ia7Xjpui4PZe/b3IZ6pXWMBYoOsitNlt6i86uK7fzOfBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db85f54c9cc6d4a6c8b143311e2aa3f8ac2550d157f33679d31490c622d3fa6b","last_reissued_at":"2026-07-05T01:12:35.219502Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:12:35.219502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.10756","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":"2026-07-05T01:12:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SK0vySLFmCbevJ0rBCUxcGF+lwjSIR9sg4186P6IQN3AB4P9xmPYc7ie5CfjpVmnBVS8HfCmvZ2M9pHxoas1AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T04:04:22.535031Z"},"content_sha256":"44aa2dd177741fe92925fa5a7a05884a4fa9bad407c8c609b1abd16aaa855e14","schema_version":"1.0","event_id":"sha256:44aa2dd177741fe92925fa5a7a05884a4fa9bad407c8c609b1abd16aaa855e14"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:3OC7KTE4Y3KKNSFRIMYR4KVD7C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hydrodynamic attractors for Gubser flow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Ashutosh Dash, Victor Roy","submitted_at":"2020-01-29T10:56:28Z","abstract_excerpt":"The Boltzmann equation is solved in the relaxation time approximation using a hierarchy of angular moments of the distribution function. Our solution is obtained for an azimuthally symmetric radially expanding boost-invariant conformal system that is undergoing Gubser flow. The solution of moments that we get after truncating the infinite set of equations at various orders is compared to the exact kinetic solution. The dynamics of transition is described by the presence of fixed points which describes the evolution of the system from an early time collisionless free streaming to the hydrodynam"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.10756","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/2001.10756/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":"2026-07-05T01:12:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IJo/1exYHK3xE4lBnJNQEw/3airgJxzydmzA5n0hhWnvaKCmyByF+z4Md3bbtER2/tEDeMIU59UDXjtdrHr8Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T04:04:22.535525Z"},"content_sha256":"6b13dacab81174dfb321f6a0a9fe34312695cefd29bbedcf7d732475d05b56a5","schema_version":"1.0","event_id":"sha256:6b13dacab81174dfb321f6a0a9fe34312695cefd29bbedcf7d732475d05b56a5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3OC7KTE4Y3KKNSFRIMYR4KVD7C/bundle.json","state_url":"https://pith.science/pith/3OC7KTE4Y3KKNSFRIMYR4KVD7C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3OC7KTE4Y3KKNSFRIMYR4KVD7C/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":"2026-08-22T04:04:22Z","links":{"resolver":"https://pith.science/pith/3OC7KTE4Y3KKNSFRIMYR4KVD7C","bundle":"https://pith.science/pith/3OC7KTE4Y3KKNSFRIMYR4KVD7C/bundle.json","state":"https://pith.science/pith/3OC7KTE4Y3KKNSFRIMYR4KVD7C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3OC7KTE4Y3KKNSFRIMYR4KVD7C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:3OC7KTE4Y3KKNSFRIMYR4KVD7C","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":"c32535237cacf756d9b07be1bd9c3deed5abe8295dfac0fbbd52411114e36416","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-01-29T10:56:28Z","title_canon_sha256":"e019553143838778fc1e885e9e389841bd2391c96473b69b1343fb15cce9162c"},"schema_version":"1.0","source":{"id":"2001.10756","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.10756","created_at":"2026-07-05T01:12:35Z"},{"alias_kind":"arxiv_version","alias_value":"2001.10756v2","created_at":"2026-07-05T01:12:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.10756","created_at":"2026-07-05T01:12:35Z"},{"alias_kind":"pith_short_12","alias_value":"3OC7KTE4Y3KK","created_at":"2026-07-05T01:12:35Z"},{"alias_kind":"pith_short_16","alias_value":"3OC7KTE4Y3KKNSFR","created_at":"2026-07-05T01:12:35Z"},{"alias_kind":"pith_short_8","alias_value":"3OC7KTE4","created_at":"2026-07-05T01:12:35Z"}],"graph_snapshots":[{"event_id":"sha256:6b13dacab81174dfb321f6a0a9fe34312695cefd29bbedcf7d732475d05b56a5","target":"graph","created_at":"2026-07-05T01:12:35Z","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/2001.10756/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Boltzmann equation is solved in the relaxation time approximation using a hierarchy of angular moments of the distribution function. Our solution is obtained for an azimuthally symmetric radially expanding boost-invariant conformal system that is undergoing Gubser flow. The solution of moments that we get after truncating the infinite set of equations at various orders is compared to the exact kinetic solution. The dynamics of transition is described by the presence of fixed points which describes the evolution of the system from an early time collisionless free streaming to the hydrodynam","authors_text":"Ashutosh Dash, Victor Roy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-01-29T10:56:28Z","title":"Hydrodynamic attractors for Gubser flow"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.10756","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":"sha256:44aa2dd177741fe92925fa5a7a05884a4fa9bad407c8c609b1abd16aaa855e14","target":"record","created_at":"2026-07-05T01:12:35Z","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":"c32535237cacf756d9b07be1bd9c3deed5abe8295dfac0fbbd52411114e36416","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-01-29T10:56:28Z","title_canon_sha256":"e019553143838778fc1e885e9e389841bd2391c96473b69b1343fb15cce9162c"},"schema_version":"1.0","source":{"id":"2001.10756","kind":"arxiv","version":2}},"canonical_sha256":"db85f54c9cc6d4a6c8b143311e2aa3f8ac2550d157f33679d31490c622d3fa6b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db85f54c9cc6d4a6c8b143311e2aa3f8ac2550d157f33679d31490c622d3fa6b","first_computed_at":"2026-07-05T01:12:35.219502Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:12:35.219502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UZ5ZRkeZCVTfj6nk4U/hMExK5/FKOEPIkWPT28Jc8Ia7Xjpui4PZe/b3IZ6pXWMBYoOsitNlt6i86uK7fzOfBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:12:35.219939Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.10756","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44aa2dd177741fe92925fa5a7a05884a4fa9bad407c8c609b1abd16aaa855e14","sha256:6b13dacab81174dfb321f6a0a9fe34312695cefd29bbedcf7d732475d05b56a5"],"state_sha256":"c31ad8a84188ed4f34f90c2e40343a8fc6e10d9814c4856f5eb29e5595b938bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CepCBnu/7Laj3G+tnQetd8BGLuh59rcc+lbU0tlONL0zYMfAu90P967Cpvb7mHJwahiBLSJeizuB7i3ql5knBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T04:04:22.539805Z","bundle_sha256":"b3ce69b842e6ba4882ef809f4811f4daaa848d446e1d2b7d0d3f69eef0729b55"}}