{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:LAUZ4QOY5LA5VM2L4Y6AZECHZN","short_pith_number":"pith:LAUZ4QOY","canonical_record":{"source":{"id":"1501.01222","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-01-06T16:28:05Z","cross_cats_sorted":[],"title_canon_sha256":"09f28269926c5855768465f72448ff359252ecf1aba4fdd3aa40c4842cf9e1cc","abstract_canon_sha256":"b7f8645b3f4c68d54426a0704ac830324724d2f71d976e5d339183f69700bf36"},"schema_version":"1.0"},"canonical_sha256":"58299e41d8eac1dab34be63c0c9047cb7d6cfed5faa5eb4eb84ea0c5fce19267","source":{"kind":"arxiv","id":"1501.01222","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01222","created_at":"2026-05-18T02:30:00Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01222v1","created_at":"2026-05-18T02:30:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01222","created_at":"2026-05-18T02:30:00Z"},{"alias_kind":"pith_short_12","alias_value":"LAUZ4QOY5LA5","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LAUZ4QOY5LA5VM2L","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LAUZ4QOY","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:LAUZ4QOY5LA5VM2L4Y6AZECHZN","target":"record","payload":{"canonical_record":{"source":{"id":"1501.01222","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-01-06T16:28:05Z","cross_cats_sorted":[],"title_canon_sha256":"09f28269926c5855768465f72448ff359252ecf1aba4fdd3aa40c4842cf9e1cc","abstract_canon_sha256":"b7f8645b3f4c68d54426a0704ac830324724d2f71d976e5d339183f69700bf36"},"schema_version":"1.0"},"canonical_sha256":"58299e41d8eac1dab34be63c0c9047cb7d6cfed5faa5eb4eb84ea0c5fce19267","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:00.070589Z","signature_b64":"y5MW6eSX5e2Z6Vg3ydriWGD6F7YyG1j0FgEncek2OA3ljPnW77gOZdTuOhntzpIEeKgv3+QWseTl64UQMg40DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58299e41d8eac1dab34be63c0c9047cb7d6cfed5faa5eb4eb84ea0c5fce19267","last_reissued_at":"2026-05-18T02:30:00.070219Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:00.070219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.01222","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":"2026-05-18T02:30:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mj7ffrdrO9VVifyqsf/x5Rme4lsATfE3WKmwnD1NpmvqCz3jaQ+E790IzM58LSUppPP4GZeyHsnvmNDLR7yeDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:21:18.915123Z"},"content_sha256":"92acfe852228448f5316147cd4d1739596bdd94c5433345368a8dcf55fc235fb","schema_version":"1.0","event_id":"sha256:92acfe852228448f5316147cd4d1739596bdd94c5433345368a8dcf55fc235fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:LAUZ4QOY5LA5VM2L4Y6AZECHZN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Clusters in nuclear matter and Mott points","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"G. R\\\"opke","submitted_at":"2015-01-06T16:28:05Z","abstract_excerpt":"Light clusters (mass number $A \\leq 4$) in nuclear matter at subsaturation densities are described using a quantum statistical approach. In addition to self-energy and Pauli-blocking, effects of continuum correlations are taken into account to calculate the quasiparticle properties and abundances of light elements. Medium-modified quasiparticle properties are important ingredients to derive a nuclear matter equation of state applicable in the entire region of warm dense matter below saturation density. The influence of the nucleon-nucleon interaction on the quasiparticle shift is discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01222","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":"2026-05-18T02:30:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XDsmv5jSJje1AGwBz8nmWUy1urF7zPwIMSDj3N1fVIP7GVVMer0WXnaL7zIG3SbEGhJFnwEuC9+Yx7LXL6YqDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:21:18.915789Z"},"content_sha256":"47529444ef04ce8cb31bdd1a0360ff86551915b31bcddd3a8bd5159f933b5e17","schema_version":"1.0","event_id":"sha256:47529444ef04ce8cb31bdd1a0360ff86551915b31bcddd3a8bd5159f933b5e17"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LAUZ4QOY5LA5VM2L4Y6AZECHZN/bundle.json","state_url":"https://pith.science/pith/LAUZ4QOY5LA5VM2L4Y6AZECHZN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LAUZ4QOY5LA5VM2L4Y6AZECHZN/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":"2026-05-25T18:21:18Z","links":{"resolver":"https://pith.science/pith/LAUZ4QOY5LA5VM2L4Y6AZECHZN","bundle":"https://pith.science/pith/LAUZ4QOY5LA5VM2L4Y6AZECHZN/bundle.json","state":"https://pith.science/pith/LAUZ4QOY5LA5VM2L4Y6AZECHZN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LAUZ4QOY5LA5VM2L4Y6AZECHZN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:LAUZ4QOY5LA5VM2L4Y6AZECHZN","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":"b7f8645b3f4c68d54426a0704ac830324724d2f71d976e5d339183f69700bf36","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-01-06T16:28:05Z","title_canon_sha256":"09f28269926c5855768465f72448ff359252ecf1aba4fdd3aa40c4842cf9e1cc"},"schema_version":"1.0","source":{"id":"1501.01222","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01222","created_at":"2026-05-18T02:30:00Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01222v1","created_at":"2026-05-18T02:30:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01222","created_at":"2026-05-18T02:30:00Z"},{"alias_kind":"pith_short_12","alias_value":"LAUZ4QOY5LA5","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LAUZ4QOY5LA5VM2L","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LAUZ4QOY","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:47529444ef04ce8cb31bdd1a0360ff86551915b31bcddd3a8bd5159f933b5e17","target":"graph","created_at":"2026-05-18T02:30:00Z","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":"Light clusters (mass number $A \\leq 4$) in nuclear matter at subsaturation densities are described using a quantum statistical approach. In addition to self-energy and Pauli-blocking, effects of continuum correlations are taken into account to calculate the quasiparticle properties and abundances of light elements. Medium-modified quasiparticle properties are important ingredients to derive a nuclear matter equation of state applicable in the entire region of warm dense matter below saturation density. The influence of the nucleon-nucleon interaction on the quasiparticle shift is discussed.","authors_text":"G. R\\\"opke","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-01-06T16:28:05Z","title":"Clusters in nuclear matter and Mott points"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01222","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":"sha256:92acfe852228448f5316147cd4d1739596bdd94c5433345368a8dcf55fc235fb","target":"record","created_at":"2026-05-18T02:30:00Z","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":"b7f8645b3f4c68d54426a0704ac830324724d2f71d976e5d339183f69700bf36","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-01-06T16:28:05Z","title_canon_sha256":"09f28269926c5855768465f72448ff359252ecf1aba4fdd3aa40c4842cf9e1cc"},"schema_version":"1.0","source":{"id":"1501.01222","kind":"arxiv","version":1}},"canonical_sha256":"58299e41d8eac1dab34be63c0c9047cb7d6cfed5faa5eb4eb84ea0c5fce19267","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58299e41d8eac1dab34be63c0c9047cb7d6cfed5faa5eb4eb84ea0c5fce19267","first_computed_at":"2026-05-18T02:30:00.070219Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:30:00.070219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y5MW6eSX5e2Z6Vg3ydriWGD6F7YyG1j0FgEncek2OA3ljPnW77gOZdTuOhntzpIEeKgv3+QWseTl64UQMg40DA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:30:00.070589Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.01222","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:92acfe852228448f5316147cd4d1739596bdd94c5433345368a8dcf55fc235fb","sha256:47529444ef04ce8cb31bdd1a0360ff86551915b31bcddd3a8bd5159f933b5e17"],"state_sha256":"b014d0adac1603cc0c399f920a0c04a6e74c65eda0f2e912253fca67fa184e49"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ueZWsZzEnU6PMAhITkG8pbI0n+gi5LMlPY6LaGlfogWbub6sKqEeF5zBbe/+4fW/hTW/jOHcMs1swDSsXFzEBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:21:18.919384Z","bundle_sha256":"ba9e3e5aa8fddacc8556e638f68a89106024dfa37aa41974ab4ff96f224c77cd"}}