{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:FII63IYA4GW2D6TJGHDB63E4IA","short_pith_number":"pith:FII63IYA","canonical_record":{"source":{"id":"2308.04491","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-08-08T18:00:17Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"20eab49f386fdd1989ec7a9ec72138a623e1cb3f369fe21b7cd8f32d3459650d","abstract_canon_sha256":"fd4fd049dcc1c73087b60b814dc4767990631b15255c31bfb352f1f886afeebc"},"schema_version":"1.0"},"canonical_sha256":"2a11eda300e1ada1fa6931c61f6c9c4017803de8af36fba0b00d3717c8da0cad","source":{"kind":"arxiv","id":"2308.04491","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.04491","created_at":"2026-07-05T07:12:52Z"},{"alias_kind":"arxiv_version","alias_value":"2308.04491v3","created_at":"2026-07-05T07:12:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.04491","created_at":"2026-07-05T07:12:52Z"},{"alias_kind":"pith_short_12","alias_value":"FII63IYA4GW2","created_at":"2026-07-05T07:12:52Z"},{"alias_kind":"pith_short_16","alias_value":"FII63IYA4GW2D6TJ","created_at":"2026-07-05T07:12:52Z"},{"alias_kind":"pith_short_8","alias_value":"FII63IYA","created_at":"2026-07-05T07:12:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:FII63IYA4GW2D6TJGHDB63E4IA","target":"record","payload":{"canonical_record":{"source":{"id":"2308.04491","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-08-08T18:00:17Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"20eab49f386fdd1989ec7a9ec72138a623e1cb3f369fe21b7cd8f32d3459650d","abstract_canon_sha256":"fd4fd049dcc1c73087b60b814dc4767990631b15255c31bfb352f1f886afeebc"},"schema_version":"1.0"},"canonical_sha256":"2a11eda300e1ada1fa6931c61f6c9c4017803de8af36fba0b00d3717c8da0cad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:12:52.236068Z","signature_b64":"KHNkdWqewj1MJGb5I65+DS5nxLhBoQYeZJkJ9b2TK4K9wBuUhmXL5RdZYHJ6bZMDTu3Vgm1XWDGqx4yOnT1vDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a11eda300e1ada1fa6931c61f6c9c4017803de8af36fba0b00d3717c8da0cad","last_reissued_at":"2026-07-05T07:12:52.235610Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:12:52.235610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.04491","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:12:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5KnyuGSEub8D+mJA6G8yYJu9aO4+AHMEoBGTIYGLjMzlG7fUZtCgKAxM+0F/AJVxdn9HFpo81L5+625AEjVEAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T14:24:22.426244Z"},"content_sha256":"d716aeb215c1dfeec196c5c2c8320fe9930d8a396998284cb1fb3979e221ffc0","schema_version":"1.0","event_id":"sha256:d716aeb215c1dfeec196c5c2c8320fe9930d8a396998284cb1fb3979e221ffc0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:FII63IYA4GW2D6TJGHDB63E4IA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hydrodynamic and Non-hydrodynamic Excitations in Kinetic Theory -- A Numerical Analysis in Scalar Field Theory","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph","nucl-th"],"primary_cat":"hep-th","authors_text":"S\\\"oren Schlichting, Stephan Ochsenfeld","submitted_at":"2023-08-08T18:00:17Z","abstract_excerpt":"Viscous hydrodynamics serves as a successful mesoscopic description of the Quark-Gluon Plasma produced in relativistic heavy-ion collisions. In order to investigate, how such an effective description emerges from the underlying microscopic dynamics we calculate the hydrodynamic and non-hydrodynamic modes of linear response in the sound channel from a first-principle calculation in kinetic theory. We do this with a new approach wherein we discretize the collision kernel to directly calculate eigenvalues and eigenmodes of the evolution operator. This allows us to study the Green's functions at a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.04491","kind":"arxiv","version":3},"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/2308.04491/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":"2026-07-05T07:12:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zLVhnsAB+nYz8MIafJ7vh0ZPTDEeIMzmdolQD4yi0DwrG9aDtENVo07kGAg4d5/saRHpRMeUipVPSLeqkS0/CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T14:24:22.426768Z"},"content_sha256":"2b9410a1a582fceb9f8abe84d08828c5f29e99d904de325de0db46c43430cc4d","schema_version":"1.0","event_id":"sha256:2b9410a1a582fceb9f8abe84d08828c5f29e99d904de325de0db46c43430cc4d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FII63IYA4GW2D6TJGHDB63E4IA/bundle.json","state_url":"https://pith.science/pith/FII63IYA4GW2D6TJGHDB63E4IA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FII63IYA4GW2D6TJGHDB63E4IA/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":"2026-08-16T14:24:22Z","links":{"resolver":"https://pith.science/pith/FII63IYA4GW2D6TJGHDB63E4IA","bundle":"https://pith.science/pith/FII63IYA4GW2D6TJGHDB63E4IA/bundle.json","state":"https://pith.science/pith/FII63IYA4GW2D6TJGHDB63E4IA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FII63IYA4GW2D6TJGHDB63E4IA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:FII63IYA4GW2D6TJGHDB63E4IA","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":"fd4fd049dcc1c73087b60b814dc4767990631b15255c31bfb352f1f886afeebc","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-08-08T18:00:17Z","title_canon_sha256":"20eab49f386fdd1989ec7a9ec72138a623e1cb3f369fe21b7cd8f32d3459650d"},"schema_version":"1.0","source":{"id":"2308.04491","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.04491","created_at":"2026-07-05T07:12:52Z"},{"alias_kind":"arxiv_version","alias_value":"2308.04491v3","created_at":"2026-07-05T07:12:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.04491","created_at":"2026-07-05T07:12:52Z"},{"alias_kind":"pith_short_12","alias_value":"FII63IYA4GW2","created_at":"2026-07-05T07:12:52Z"},{"alias_kind":"pith_short_16","alias_value":"FII63IYA4GW2D6TJ","created_at":"2026-07-05T07:12:52Z"},{"alias_kind":"pith_short_8","alias_value":"FII63IYA","created_at":"2026-07-05T07:12:52Z"}],"graph_snapshots":[{"event_id":"sha256:2b9410a1a582fceb9f8abe84d08828c5f29e99d904de325de0db46c43430cc4d","target":"graph","created_at":"2026-07-05T07:12:52Z","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/2308.04491/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Viscous hydrodynamics serves as a successful mesoscopic description of the Quark-Gluon Plasma produced in relativistic heavy-ion collisions. In order to investigate, how such an effective description emerges from the underlying microscopic dynamics we calculate the hydrodynamic and non-hydrodynamic modes of linear response in the sound channel from a first-principle calculation in kinetic theory. We do this with a new approach wherein we discretize the collision kernel to directly calculate eigenvalues and eigenmodes of the evolution operator. This allows us to study the Green's functions at a","authors_text":"S\\\"oren Schlichting, Stephan Ochsenfeld","cross_cats":["hep-ph","nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-08-08T18:00:17Z","title":"Hydrodynamic and Non-hydrodynamic Excitations in Kinetic Theory -- A Numerical Analysis in Scalar Field Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.04491","kind":"arxiv","version":3},"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:d716aeb215c1dfeec196c5c2c8320fe9930d8a396998284cb1fb3979e221ffc0","target":"record","created_at":"2026-07-05T07:12:52Z","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":"fd4fd049dcc1c73087b60b814dc4767990631b15255c31bfb352f1f886afeebc","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-08-08T18:00:17Z","title_canon_sha256":"20eab49f386fdd1989ec7a9ec72138a623e1cb3f369fe21b7cd8f32d3459650d"},"schema_version":"1.0","source":{"id":"2308.04491","kind":"arxiv","version":3}},"canonical_sha256":"2a11eda300e1ada1fa6931c61f6c9c4017803de8af36fba0b00d3717c8da0cad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a11eda300e1ada1fa6931c61f6c9c4017803de8af36fba0b00d3717c8da0cad","first_computed_at":"2026-07-05T07:12:52.235610Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:12:52.235610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KHNkdWqewj1MJGb5I65+DS5nxLhBoQYeZJkJ9b2TK4K9wBuUhmXL5RdZYHJ6bZMDTu3Vgm1XWDGqx4yOnT1vDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:12:52.236068Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.04491","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d716aeb215c1dfeec196c5c2c8320fe9930d8a396998284cb1fb3979e221ffc0","sha256:2b9410a1a582fceb9f8abe84d08828c5f29e99d904de325de0db46c43430cc4d"],"state_sha256":"73a8976482ed32a7ec3d36aeef6bc336c8722f50a58c467af6b6913e8aa6ec38"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AAsY+SijLwQV0OMLvumX9V9hlbZU/nCySAmiC6vmeNA7J+d75QePIosILgsOu/uaVe9VZqCEknuaIMnMe1FoCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T14:24:22.430577Z","bundle_sha256":"8fb9d8cd712afba24609d54766fad7d937942c6b9f32c984a9918f052c138496"}}