{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VULUERUYV2QEE2BFZFR53VPUIJ","short_pith_number":"pith:VULUERUY","canonical_record":{"source":{"id":"1511.04071","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-12T20:55:55Z","cross_cats_sorted":["astro-ph.HE","astro-ph.SR","nucl-th"],"title_canon_sha256":"5e530bb226ebaf94eedf98a90dc01c0539f189f16a016ff33418e57a544e7255","abstract_canon_sha256":"230c65838029b0301a8850e8f1987b35affda46814f855d6a8ad93701620e6ee"},"schema_version":"1.0"},"canonical_sha256":"ad17424698aea0426825c963ddd5f44258f1148817f5bd16caef8f000904f208","source":{"kind":"arxiv","id":"1511.04071","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.04071","created_at":"2026-05-18T00:44:09Z"},{"alias_kind":"arxiv_version","alias_value":"1511.04071v2","created_at":"2026-05-18T00:44:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04071","created_at":"2026-05-18T00:44:09Z"},{"alias_kind":"pith_short_12","alias_value":"VULUERUYV2QE","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VULUERUYV2QEE2BF","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VULUERUY","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VULUERUYV2QEE2BFZFR53VPUIJ","target":"record","payload":{"canonical_record":{"source":{"id":"1511.04071","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-12T20:55:55Z","cross_cats_sorted":["astro-ph.HE","astro-ph.SR","nucl-th"],"title_canon_sha256":"5e530bb226ebaf94eedf98a90dc01c0539f189f16a016ff33418e57a544e7255","abstract_canon_sha256":"230c65838029b0301a8850e8f1987b35affda46814f855d6a8ad93701620e6ee"},"schema_version":"1.0"},"canonical_sha256":"ad17424698aea0426825c963ddd5f44258f1148817f5bd16caef8f000904f208","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:44:09.923388Z","signature_b64":"yqI0C5+7Qg0qai9XiFw9eTZFAVZzTkciVyVKahz+olVmoy680dhKmop25FSO/n4Kn5ZOvf5NynByUlW7rYkLDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad17424698aea0426825c963ddd5f44258f1148817f5bd16caef8f000904f208","last_reissued_at":"2026-05-18T00:44:09.922882Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:44:09.922882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.04071","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":"2026-05-18T00:44:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"novn+6XXJplzTWVNDxqUjXkhvICbN5xOjmOwW1inciCntzcgVxEakJUgLkTpT0hUQjwYuGr26sGtLdfNKbWvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:08:17.664071Z"},"content_sha256":"9b1ab0420e72019745d2c01d9b2db859b307669ed5e09b446fb4547f807d01af","schema_version":"1.0","event_id":"sha256:9b1ab0420e72019745d2c01d9b2db859b307669ed5e09b446fb4547f807d01af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VULUERUYV2QEE2BFZFR53VPUIJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diffusion of dark matter in a hot and dense nuclear environment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.SR","nucl-th"],"primary_cat":"hep-ph","authors_text":"Joseph Silk, M. \\'Angeles P\\'erez-Garc\\'ia, Marina Cerme\\~no","submitted_at":"2015-11-12T20:55:55Z","abstract_excerpt":"We calculate the mean free path in a hot and dense nuclear environment for a fermionic dark matter particle candidate in the $\\sim$GeV mass range interacting with nucleons via scalar and vector effective couplings. We focus on the effects of density and temperature in the nuclear medium in order to evaluate the importance of the final state blocking in the scattering process. We discuss qualitatively possible implications for opacities in stellar nuclear scenarios, where dark matter may be gravitationally accreted."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04071","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":""},"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":"2026-05-18T00:44:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HOuE6tUcTc/pdK8raWQ5KOVHT1RZ2JQFoz3WgnazGLH7vZBefJLWg9mJoL4H1HxGHP5s5SLU8agCeY36QtVjBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:08:17.664803Z"},"content_sha256":"e94e71c91a9cae86c6800a499b08433c7b8aeefd27833f0b9b59b38d46369044","schema_version":"1.0","event_id":"sha256:e94e71c91a9cae86c6800a499b08433c7b8aeefd27833f0b9b59b38d46369044"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VULUERUYV2QEE2BFZFR53VPUIJ/bundle.json","state_url":"https://pith.science/pith/VULUERUYV2QEE2BFZFR53VPUIJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VULUERUYV2QEE2BFZFR53VPUIJ/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":"2026-05-27T14:08:17Z","links":{"resolver":"https://pith.science/pith/VULUERUYV2QEE2BFZFR53VPUIJ","bundle":"https://pith.science/pith/VULUERUYV2QEE2BFZFR53VPUIJ/bundle.json","state":"https://pith.science/pith/VULUERUYV2QEE2BFZFR53VPUIJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VULUERUYV2QEE2BFZFR53VPUIJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VULUERUYV2QEE2BFZFR53VPUIJ","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":"230c65838029b0301a8850e8f1987b35affda46814f855d6a8ad93701620e6ee","cross_cats_sorted":["astro-ph.HE","astro-ph.SR","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-12T20:55:55Z","title_canon_sha256":"5e530bb226ebaf94eedf98a90dc01c0539f189f16a016ff33418e57a544e7255"},"schema_version":"1.0","source":{"id":"1511.04071","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.04071","created_at":"2026-05-18T00:44:09Z"},{"alias_kind":"arxiv_version","alias_value":"1511.04071v2","created_at":"2026-05-18T00:44:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.04071","created_at":"2026-05-18T00:44:09Z"},{"alias_kind":"pith_short_12","alias_value":"VULUERUYV2QE","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VULUERUYV2QEE2BF","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VULUERUY","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:e94e71c91a9cae86c6800a499b08433c7b8aeefd27833f0b9b59b38d46369044","target":"graph","created_at":"2026-05-18T00:44:09Z","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":"We calculate the mean free path in a hot and dense nuclear environment for a fermionic dark matter particle candidate in the $\\sim$GeV mass range interacting with nucleons via scalar and vector effective couplings. We focus on the effects of density and temperature in the nuclear medium in order to evaluate the importance of the final state blocking in the scattering process. We discuss qualitatively possible implications for opacities in stellar nuclear scenarios, where dark matter may be gravitationally accreted.","authors_text":"Joseph Silk, M. \\'Angeles P\\'erez-Garc\\'ia, Marina Cerme\\~no","cross_cats":["astro-ph.HE","astro-ph.SR","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-12T20:55:55Z","title":"Diffusion of dark matter in a hot and dense nuclear environment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04071","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":"sha256:9b1ab0420e72019745d2c01d9b2db859b307669ed5e09b446fb4547f807d01af","target":"record","created_at":"2026-05-18T00:44:09Z","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":"230c65838029b0301a8850e8f1987b35affda46814f855d6a8ad93701620e6ee","cross_cats_sorted":["astro-ph.HE","astro-ph.SR","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-12T20:55:55Z","title_canon_sha256":"5e530bb226ebaf94eedf98a90dc01c0539f189f16a016ff33418e57a544e7255"},"schema_version":"1.0","source":{"id":"1511.04071","kind":"arxiv","version":2}},"canonical_sha256":"ad17424698aea0426825c963ddd5f44258f1148817f5bd16caef8f000904f208","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad17424698aea0426825c963ddd5f44258f1148817f5bd16caef8f000904f208","first_computed_at":"2026-05-18T00:44:09.922882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:44:09.922882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yqI0C5+7Qg0qai9XiFw9eTZFAVZzTkciVyVKahz+olVmoy680dhKmop25FSO/n4Kn5ZOvf5NynByUlW7rYkLDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:44:09.923388Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.04071","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9b1ab0420e72019745d2c01d9b2db859b307669ed5e09b446fb4547f807d01af","sha256:e94e71c91a9cae86c6800a499b08433c7b8aeefd27833f0b9b59b38d46369044"],"state_sha256":"01adeb5f68766d2be4ee424b7cf0068b51fd3e531638a70b49c9c6e11e717480"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5wXG6cU2UDE2A5M6XaslbBG+6iKeyVELbPRewtcBI4PRLHwow2Ga88VLdSjkxaYQ+8C07KXnhqEfgPxKv01XCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T14:08:17.668737Z","bundle_sha256":"3398b8a2b29548950ddf1e1da8ed9b9edf54ca1f835fab5b47608535054aab4a"}}