{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:DODVCZT44BLKRMQ573CUV2NYRR","short_pith_number":"pith:DODVCZT4","canonical_record":{"source":{"id":"1112.5682","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2011-12-24T01:05:06Z","cross_cats_sorted":[],"title_canon_sha256":"3e63c56e0054f4f505484a2855234bfcbff162795e52ba8c342fdfd0cc632001","abstract_canon_sha256":"46019060c6e4eb22b436547ea81116032e9a1ebd37541b1a2347d04e2cc4e173"},"schema_version":"1.0"},"canonical_sha256":"1b8751667ce056a8b21dfec54ae9b88c404bbe34a5204d248c079ec06ffeae38","source":{"kind":"arxiv","id":"1112.5682","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.5682","created_at":"2026-05-18T04:05:37Z"},{"alias_kind":"arxiv_version","alias_value":"1112.5682v1","created_at":"2026-05-18T04:05:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.5682","created_at":"2026-05-18T04:05:37Z"},{"alias_kind":"pith_short_12","alias_value":"DODVCZT44BLK","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"DODVCZT44BLKRMQ5","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"DODVCZT4","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:DODVCZT44BLKRMQ573CUV2NYRR","target":"record","payload":{"canonical_record":{"source":{"id":"1112.5682","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2011-12-24T01:05:06Z","cross_cats_sorted":[],"title_canon_sha256":"3e63c56e0054f4f505484a2855234bfcbff162795e52ba8c342fdfd0cc632001","abstract_canon_sha256":"46019060c6e4eb22b436547ea81116032e9a1ebd37541b1a2347d04e2cc4e173"},"schema_version":"1.0"},"canonical_sha256":"1b8751667ce056a8b21dfec54ae9b88c404bbe34a5204d248c079ec06ffeae38","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:05:37.819563Z","signature_b64":"DYCdchBgQKKFqcHYanpyAefZ+Q5V1FnCp8R5dg8GF96VCmos7b+ElsTC9cw+xr3+H8STHQFy4iqZPe0A6RiSBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b8751667ce056a8b21dfec54ae9b88c404bbe34a5204d248c079ec06ffeae38","last_reissued_at":"2026-05-18T04:05:37.819198Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:05:37.819198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.5682","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":"2026-05-18T04:05:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZZv6gZN/IHAyc0iqWaRytq9G2++FwFrgFv8jYUeTQR7Y+vssm9YNASgLtI1v8yqhejIrDp4mmIwc+XYkrfw8Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:25:20.453996Z"},"content_sha256":"07066820a1654bafad534067fe318d5c6bca233390a6b0e3b6b1af5b2c76a168","schema_version":"1.0","event_id":"sha256:07066820a1654bafad534067fe318d5c6bca233390a6b0e3b6b1af5b2c76a168"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:DODVCZT44BLKRMQ573CUV2NYRR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Medium Effects in Parton Distributions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Huey-Wen Lin, William Detmold","submitted_at":"2011-12-24T01:05:06Z","abstract_excerpt":"Understanding the effects of a background hadronic medium on hadronic observables is important in the context of hadron structure. Many experiments probing nucleon structure make use of nuclear targets and unraveling the modifications that ensue is a complex task. Using lattice QCD, we investigate the ab initio computation of hadron structure in a medium, focusing on the structure of the pion in a Bose-condensed gas of pions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.5682","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":"2026-05-18T04:05:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NTJR9QkYVjmRFHjZlmlPzuPvleMtgiRDx4rf17mke0nMXB+793Tqh1yo1uO9KaXoIgqvKG9DR+KCbOoVULw7BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:25:20.454690Z"},"content_sha256":"f79e842beb53bfe91981bda9318c0144b336f932fda2ec5f3419ddbdafcae73b","schema_version":"1.0","event_id":"sha256:f79e842beb53bfe91981bda9318c0144b336f932fda2ec5f3419ddbdafcae73b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DODVCZT44BLKRMQ573CUV2NYRR/bundle.json","state_url":"https://pith.science/pith/DODVCZT44BLKRMQ573CUV2NYRR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DODVCZT44BLKRMQ573CUV2NYRR/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":"2026-05-25T18:25:20Z","links":{"resolver":"https://pith.science/pith/DODVCZT44BLKRMQ573CUV2NYRR","bundle":"https://pith.science/pith/DODVCZT44BLKRMQ573CUV2NYRR/bundle.json","state":"https://pith.science/pith/DODVCZT44BLKRMQ573CUV2NYRR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DODVCZT44BLKRMQ573CUV2NYRR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:DODVCZT44BLKRMQ573CUV2NYRR","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":"46019060c6e4eb22b436547ea81116032e9a1ebd37541b1a2347d04e2cc4e173","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2011-12-24T01:05:06Z","title_canon_sha256":"3e63c56e0054f4f505484a2855234bfcbff162795e52ba8c342fdfd0cc632001"},"schema_version":"1.0","source":{"id":"1112.5682","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.5682","created_at":"2026-05-18T04:05:37Z"},{"alias_kind":"arxiv_version","alias_value":"1112.5682v1","created_at":"2026-05-18T04:05:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.5682","created_at":"2026-05-18T04:05:37Z"},{"alias_kind":"pith_short_12","alias_value":"DODVCZT44BLK","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"DODVCZT44BLKRMQ5","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"DODVCZT4","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:f79e842beb53bfe91981bda9318c0144b336f932fda2ec5f3419ddbdafcae73b","target":"graph","created_at":"2026-05-18T04:05:37Z","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":"Understanding the effects of a background hadronic medium on hadronic observables is important in the context of hadron structure. Many experiments probing nucleon structure make use of nuclear targets and unraveling the modifications that ensue is a complex task. Using lattice QCD, we investigate the ab initio computation of hadron structure in a medium, focusing on the structure of the pion in a Bose-condensed gas of pions.","authors_text":"Huey-Wen Lin, William Detmold","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2011-12-24T01:05:06Z","title":"Medium Effects in Parton Distributions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.5682","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":"sha256:07066820a1654bafad534067fe318d5c6bca233390a6b0e3b6b1af5b2c76a168","target":"record","created_at":"2026-05-18T04:05:37Z","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":"46019060c6e4eb22b436547ea81116032e9a1ebd37541b1a2347d04e2cc4e173","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2011-12-24T01:05:06Z","title_canon_sha256":"3e63c56e0054f4f505484a2855234bfcbff162795e52ba8c342fdfd0cc632001"},"schema_version":"1.0","source":{"id":"1112.5682","kind":"arxiv","version":1}},"canonical_sha256":"1b8751667ce056a8b21dfec54ae9b88c404bbe34a5204d248c079ec06ffeae38","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b8751667ce056a8b21dfec54ae9b88c404bbe34a5204d248c079ec06ffeae38","first_computed_at":"2026-05-18T04:05:37.819198Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:05:37.819198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DYCdchBgQKKFqcHYanpyAefZ+Q5V1FnCp8R5dg8GF96VCmos7b+ElsTC9cw+xr3+H8STHQFy4iqZPe0A6RiSBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:05:37.819563Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.5682","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07066820a1654bafad534067fe318d5c6bca233390a6b0e3b6b1af5b2c76a168","sha256:f79e842beb53bfe91981bda9318c0144b336f932fda2ec5f3419ddbdafcae73b"],"state_sha256":"73ebf70bcddfdba3d1cf3ea7b33282173b08fb107a02224cfd67e1e295a5dba9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7AtMyy1ANDyM+gR/xeka9w7F5YXgIRybCAmVk10nCH7G3UWlPBYA8sW1Bki5t1VR+JytqFKMc7buxPJ9yQhEAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:25:20.459051Z","bundle_sha256":"00e1064f29fba7d5039cafdf5edd789214a80502b2187a6804d8d5314acbb643"}}