{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:RDDGIEJDLUWMMHLL6Y7ZSOE4MF","short_pith_number":"pith:RDDGIEJD","canonical_record":{"source":{"id":"1712.04574","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-12-13T00:09:14Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"fa5cc000bd107d35b71c54bef3ad20ff03c3199981ee1a35c114292379427d0a","abstract_canon_sha256":"701d7eaacefe6ad1dacc8b077f106620938e129d89daa672d5e299e6b26cacd8"},"schema_version":"1.0"},"canonical_sha256":"88c66411235d2cc61d6bf63f99389c615870ef994e281e06aaa241720000a640","source":{"kind":"arxiv","id":"1712.04574","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.04574","created_at":"2026-05-18T00:28:04Z"},{"alias_kind":"arxiv_version","alias_value":"1712.04574v1","created_at":"2026-05-18T00:28:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.04574","created_at":"2026-05-18T00:28:04Z"},{"alias_kind":"pith_short_12","alias_value":"RDDGIEJDLUWM","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RDDGIEJDLUWMMHLL","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RDDGIEJD","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:RDDGIEJDLUWMMHLL6Y7ZSOE4MF","target":"record","payload":{"canonical_record":{"source":{"id":"1712.04574","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-12-13T00:09:14Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"fa5cc000bd107d35b71c54bef3ad20ff03c3199981ee1a35c114292379427d0a","abstract_canon_sha256":"701d7eaacefe6ad1dacc8b077f106620938e129d89daa672d5e299e6b26cacd8"},"schema_version":"1.0"},"canonical_sha256":"88c66411235d2cc61d6bf63f99389c615870ef994e281e06aaa241720000a640","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:04.194273Z","signature_b64":"etaVzUbe7jxMX92O8stm5OrzmvP5JJ+X2H48zE+9iVxQxSmC/qVnEkgJypQmierLThhdnVfngWoTC6OD6n6WAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88c66411235d2cc61d6bf63f99389c615870ef994e281e06aaa241720000a640","last_reissued_at":"2026-05-18T00:28:04.193573Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:04.193573Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.04574","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":"2026-05-18T00:28:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LoR90VRnw7C5L29owlFayiXXoP5m5TkQ17uIBCxk7ZV9sPO5GXKzEvKTmStz3v+vrP8ggfcxwbfHIo3kfyMgBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:52:41.314867Z"},"content_sha256":"baead8eb5854061b11b633cd35328518ae9ef7ac9baa3b0104a1799153014698","schema_version":"1.0","event_id":"sha256:baead8eb5854061b11b633cd35328518ae9ef7ac9baa3b0104a1799153014698"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:RDDGIEJDLUWMMHLL6Y7ZSOE4MF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing proton transition momentum in neutron-rich matter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"Gao-Chan Yong","submitted_at":"2017-12-13T00:09:14Z","abstract_excerpt":"Around the nuclear Fermi momentum, there is a transition of nucleon momentum distribution n(k) in nuclear matter, i.e., from a constant to the $1/k^{4}$ nucleon momentum distribution. While nowadays the transition momentum of minority in asymmetric matter is rarely studied and thus undetermined. In the framework of the IBUU transport model, proton transition momentum in nuclei is first studied. It is found that the transition momentum of proton is sensitive to the $\\pi^{-}/\\pi^{+}$ ratio as well as the energetic photon production in neutron-rich nuclear reaction. This result may push the study"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.04574","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":"2026-05-18T00:28:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v8yOqJrTtgVepcYc9QsZGoxYnEa0N1NBig/EzqqChQsIrutbBe2Ksg7EDtFO/EJ9+frRLzeYxKBquWYlhkVnAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:52:41.315413Z"},"content_sha256":"3021dcf2d28f074092bc6772b1387510092f187e498bb4b074abb6174df84c27","schema_version":"1.0","event_id":"sha256:3021dcf2d28f074092bc6772b1387510092f187e498bb4b074abb6174df84c27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RDDGIEJDLUWMMHLL6Y7ZSOE4MF/bundle.json","state_url":"https://pith.science/pith/RDDGIEJDLUWMMHLL6Y7ZSOE4MF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RDDGIEJDLUWMMHLL6Y7ZSOE4MF/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":"2026-05-26T21:52:41Z","links":{"resolver":"https://pith.science/pith/RDDGIEJDLUWMMHLL6Y7ZSOE4MF","bundle":"https://pith.science/pith/RDDGIEJDLUWMMHLL6Y7ZSOE4MF/bundle.json","state":"https://pith.science/pith/RDDGIEJDLUWMMHLL6Y7ZSOE4MF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RDDGIEJDLUWMMHLL6Y7ZSOE4MF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:RDDGIEJDLUWMMHLL6Y7ZSOE4MF","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":"701d7eaacefe6ad1dacc8b077f106620938e129d89daa672d5e299e6b26cacd8","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-12-13T00:09:14Z","title_canon_sha256":"fa5cc000bd107d35b71c54bef3ad20ff03c3199981ee1a35c114292379427d0a"},"schema_version":"1.0","source":{"id":"1712.04574","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.04574","created_at":"2026-05-18T00:28:04Z"},{"alias_kind":"arxiv_version","alias_value":"1712.04574v1","created_at":"2026-05-18T00:28:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.04574","created_at":"2026-05-18T00:28:04Z"},{"alias_kind":"pith_short_12","alias_value":"RDDGIEJDLUWM","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RDDGIEJDLUWMMHLL","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RDDGIEJD","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:3021dcf2d28f074092bc6772b1387510092f187e498bb4b074abb6174df84c27","target":"graph","created_at":"2026-05-18T00:28:04Z","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":"Around the nuclear Fermi momentum, there is a transition of nucleon momentum distribution n(k) in nuclear matter, i.e., from a constant to the $1/k^{4}$ nucleon momentum distribution. While nowadays the transition momentum of minority in asymmetric matter is rarely studied and thus undetermined. In the framework of the IBUU transport model, proton transition momentum in nuclei is first studied. It is found that the transition momentum of proton is sensitive to the $\\pi^{-}/\\pi^{+}$ ratio as well as the energetic photon production in neutron-rich nuclear reaction. This result may push the study","authors_text":"Gao-Chan Yong","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-12-13T00:09:14Z","title":"Probing proton transition momentum in neutron-rich matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.04574","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:baead8eb5854061b11b633cd35328518ae9ef7ac9baa3b0104a1799153014698","target":"record","created_at":"2026-05-18T00:28:04Z","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":"701d7eaacefe6ad1dacc8b077f106620938e129d89daa672d5e299e6b26cacd8","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-12-13T00:09:14Z","title_canon_sha256":"fa5cc000bd107d35b71c54bef3ad20ff03c3199981ee1a35c114292379427d0a"},"schema_version":"1.0","source":{"id":"1712.04574","kind":"arxiv","version":1}},"canonical_sha256":"88c66411235d2cc61d6bf63f99389c615870ef994e281e06aaa241720000a640","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"88c66411235d2cc61d6bf63f99389c615870ef994e281e06aaa241720000a640","first_computed_at":"2026-05-18T00:28:04.193573Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:04.193573Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"etaVzUbe7jxMX92O8stm5OrzmvP5JJ+X2H48zE+9iVxQxSmC/qVnEkgJypQmierLThhdnVfngWoTC6OD6n6WAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:04.194273Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.04574","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:baead8eb5854061b11b633cd35328518ae9ef7ac9baa3b0104a1799153014698","sha256:3021dcf2d28f074092bc6772b1387510092f187e498bb4b074abb6174df84c27"],"state_sha256":"bef7a68ebc3f61f23549d0a3ce39a6603276370e96029af2c275a7a4a610c783"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MHOBDMWIipOolWayySlfP73OLBvFccAsV9dH577HB2/HJtsBl9Nkk1g0U7tqdi+W90vMYIEPr+rNambHQGSKAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:52:41.318025Z","bundle_sha256":"d753c61209f71c251fe600f62881175e39212b644f3026a170c2b81cd80cb64b"}}