{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VVXAX2EXMKWUEYGNZK6BRN5IQP","short_pith_number":"pith:VVXAX2EX","canonical_record":{"source":{"id":"1503.07096","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-03-24T16:13:28Z","cross_cats_sorted":[],"title_canon_sha256":"bb2728a406f72ddfeee6bf980679f125b9bf85cf4b14d4094f25829f5f46bb53","abstract_canon_sha256":"c82fafcd52aa654b7901575c6599bb031b64d033895957777d10c22be764eda7"},"schema_version":"1.0"},"canonical_sha256":"ad6e0be89762ad4260cdcabc18b7a883c4cb71b589c47d0e60faa2a89e499cbd","source":{"kind":"arxiv","id":"1503.07096","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.07096","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"arxiv_version","alias_value":"1503.07096v1","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.07096","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"pith_short_12","alias_value":"VVXAX2EXMKWU","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VVXAX2EXMKWUEYGN","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VVXAX2EX","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VVXAX2EXMKWUEYGNZK6BRN5IQP","target":"record","payload":{"canonical_record":{"source":{"id":"1503.07096","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-03-24T16:13:28Z","cross_cats_sorted":[],"title_canon_sha256":"bb2728a406f72ddfeee6bf980679f125b9bf85cf4b14d4094f25829f5f46bb53","abstract_canon_sha256":"c82fafcd52aa654b7901575c6599bb031b64d033895957777d10c22be764eda7"},"schema_version":"1.0"},"canonical_sha256":"ad6e0be89762ad4260cdcabc18b7a883c4cb71b589c47d0e60faa2a89e499cbd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:33.493705Z","signature_b64":"7JsYDAOTHa7VCKUDdqfwYT2iFT+1Mr2J3FQ0dddSFasns7kvRtWh/G5SpjKnOj7Fwwn1Hvu+B2gavBv9cOPIBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad6e0be89762ad4260cdcabc18b7a883c4cb71b589c47d0e60faa2a89e499cbd","last_reissued_at":"2026-05-18T02:03:33.493050Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:33.493050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.07096","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:03:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gcLSD9AniwsEKnDaYbpfYruaPkIfZ4AvUzRlXV8H1O6sb8ST5joKYF2r9wzl0FtWZBjc1uvVZTDxsi4gJcPkCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:10:59.962802Z"},"content_sha256":"579e389d75db025e92af0127779018c7f97ec18c542e1fb6f1f3b2a3c7ffab5a","schema_version":"1.0","event_id":"sha256:579e389d75db025e92af0127779018c7f97ec18c542e1fb6f1f3b2a3c7ffab5a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VVXAX2EXMKWUEYGNZK6BRN5IQP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entropy Production in Collisionless Systems. III. Results from Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Colin P. Egerer (University of Wisconsin - La Crosse), Eric I. Barnes","submitted_at":"2015-03-24T16:13:28Z","abstract_excerpt":"The equilibria formed by the self-gravitating, collisionless collapse of simple initial conditions have been investigated for decades. We present the results of our attempts to describe the equilibria formed in $N$-body simulations using thermodynamically-motivated models. Previous work has suggested that it is possible to define distribution functions for such systems that describe maximum entropy states. These distribution functions are used to create radial density and velocity distributions for comparison to those from simulations. A wide variety of $N$-body code conditions are used to red"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.07096","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T02:03:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fjutAksOnWOnB3/aYdUaScasrQxxNcJrMdQ5eaGkYDmqpi/lB1aZsB7h/MjSzt3jmHTndKXlUO1pMJ2vUJhIAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:10:59.963268Z"},"content_sha256":"846b0f6edfcdd3cb01959f006dcc4ed8cb78ffdf441ad97c811546fa714c4a8f","schema_version":"1.0","event_id":"sha256:846b0f6edfcdd3cb01959f006dcc4ed8cb78ffdf441ad97c811546fa714c4a8f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VVXAX2EXMKWUEYGNZK6BRN5IQP/bundle.json","state_url":"https://pith.science/pith/VVXAX2EXMKWUEYGNZK6BRN5IQP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VVXAX2EXMKWUEYGNZK6BRN5IQP/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":"2026-05-31T05:10:59Z","links":{"resolver":"https://pith.science/pith/VVXAX2EXMKWUEYGNZK6BRN5IQP","bundle":"https://pith.science/pith/VVXAX2EXMKWUEYGNZK6BRN5IQP/bundle.json","state":"https://pith.science/pith/VVXAX2EXMKWUEYGNZK6BRN5IQP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VVXAX2EXMKWUEYGNZK6BRN5IQP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VVXAX2EXMKWUEYGNZK6BRN5IQP","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":"c82fafcd52aa654b7901575c6599bb031b64d033895957777d10c22be764eda7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-03-24T16:13:28Z","title_canon_sha256":"bb2728a406f72ddfeee6bf980679f125b9bf85cf4b14d4094f25829f5f46bb53"},"schema_version":"1.0","source":{"id":"1503.07096","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.07096","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"arxiv_version","alias_value":"1503.07096v1","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.07096","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"pith_short_12","alias_value":"VVXAX2EXMKWU","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VVXAX2EXMKWUEYGN","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VVXAX2EX","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:846b0f6edfcdd3cb01959f006dcc4ed8cb78ffdf441ad97c811546fa714c4a8f","target":"graph","created_at":"2026-05-18T02:03:33Z","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"},"paper":{"abstract_excerpt":"The equilibria formed by the self-gravitating, collisionless collapse of simple initial conditions have been investigated for decades. We present the results of our attempts to describe the equilibria formed in $N$-body simulations using thermodynamically-motivated models. Previous work has suggested that it is possible to define distribution functions for such systems that describe maximum entropy states. These distribution functions are used to create radial density and velocity distributions for comparison to those from simulations. A wide variety of $N$-body code conditions are used to red","authors_text":"Colin P. Egerer (University of Wisconsin - La Crosse), Eric I. Barnes","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-03-24T16:13:28Z","title":"Entropy Production in Collisionless Systems. III. Results from Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.07096","kind":"arxiv","version":1},"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":"sha256:579e389d75db025e92af0127779018c7f97ec18c542e1fb6f1f3b2a3c7ffab5a","target":"record","created_at":"2026-05-18T02:03:33Z","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":"c82fafcd52aa654b7901575c6599bb031b64d033895957777d10c22be764eda7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-03-24T16:13:28Z","title_canon_sha256":"bb2728a406f72ddfeee6bf980679f125b9bf85cf4b14d4094f25829f5f46bb53"},"schema_version":"1.0","source":{"id":"1503.07096","kind":"arxiv","version":1}},"canonical_sha256":"ad6e0be89762ad4260cdcabc18b7a883c4cb71b589c47d0e60faa2a89e499cbd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad6e0be89762ad4260cdcabc18b7a883c4cb71b589c47d0e60faa2a89e499cbd","first_computed_at":"2026-05-18T02:03:33.493050Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:33.493050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7JsYDAOTHa7VCKUDdqfwYT2iFT+1Mr2J3FQ0dddSFasns7kvRtWh/G5SpjKnOj7Fwwn1Hvu+B2gavBv9cOPIBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:33.493705Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.07096","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:579e389d75db025e92af0127779018c7f97ec18c542e1fb6f1f3b2a3c7ffab5a","sha256:846b0f6edfcdd3cb01959f006dcc4ed8cb78ffdf441ad97c811546fa714c4a8f"],"state_sha256":"18541f6532663882950ab84fa4bea2093c5580794e45701efbe893baafd1242e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q/lIIXI06TOGGMKoI8cQM+q3qaAuel9dgSNbSC7tzrDfXzAUpBZ/RH8Jbpgtty9VRWe5quHThxjf96f7pTeTBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T05:10:59.966187Z","bundle_sha256":"f4c7e420ee12bc0c42d18cda72680c41012f0da3259161bd75b1e9345f9ecee3"}}