{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:IUINBKGFZ56IEW7LXQ3R5C46DG","short_pith_number":"pith:IUINBKGF","canonical_record":{"source":{"id":"1512.05825","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-17T23:11:28Z","cross_cats_sorted":[],"title_canon_sha256":"419d1203095438eb6110cd3f26405c17ae6d467f455729b615b61819897bafb9","abstract_canon_sha256":"cf0b1f9bed0386402c2846542bd645a8f168dcf894b41b2baf297226d62ad599"},"schema_version":"1.0"},"canonical_sha256":"4510d0a8c5cf7c825bebbc371e8b9e19a0ff4b16bae2a749b1878803ab61f5e6","source":{"kind":"arxiv","id":"1512.05825","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05825","created_at":"2026-05-18T01:16:44Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05825v2","created_at":"2026-05-18T01:16:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05825","created_at":"2026-05-18T01:16:44Z"},{"alias_kind":"pith_short_12","alias_value":"IUINBKGFZ56I","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IUINBKGFZ56IEW7L","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IUINBKGF","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:IUINBKGFZ56IEW7LXQ3R5C46DG","target":"record","payload":{"canonical_record":{"source":{"id":"1512.05825","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-17T23:11:28Z","cross_cats_sorted":[],"title_canon_sha256":"419d1203095438eb6110cd3f26405c17ae6d467f455729b615b61819897bafb9","abstract_canon_sha256":"cf0b1f9bed0386402c2846542bd645a8f168dcf894b41b2baf297226d62ad599"},"schema_version":"1.0"},"canonical_sha256":"4510d0a8c5cf7c825bebbc371e8b9e19a0ff4b16bae2a749b1878803ab61f5e6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:44.412982Z","signature_b64":"KbE9cQk03I5EHudaWdQe1uaGCrlL2IU1aJbjqQ+jObOolIn/Z++V0JcACIXhRy65br+UvsjuGV7Lb7iwhBDjDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4510d0a8c5cf7c825bebbc371e8b9e19a0ff4b16bae2a749b1878803ab61f5e6","last_reissued_at":"2026-05-18T01:16:44.412264Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:44.412264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.05825","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":"2026-05-18T01:16:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oPP2f3kpDtNFRz4UkYJMlKMUxuysAD9NK5iGnVtM/8iKDcWNC/Rcxjna6jEVhJzvDRPL/sKpqwCsXwru4GnkAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:25:26.139295Z"},"content_sha256":"c6837cafa246e7ab0314b191b28156a0a3de2d782217aa092196d371b1583fa9","schema_version":"1.0","event_id":"sha256:c6837cafa246e7ab0314b191b28156a0a3de2d782217aa092196d371b1583fa9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:IUINBKGFZ56IEW7LXQ3R5C46DG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Husimi distribution for nucleon tomography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Yoshikazu Hagiwara, Yoshitaka Hatta","submitted_at":"2015-12-17T23:11:28Z","abstract_excerpt":"We define the QCD Husimi distribution as the phase space distribution of partons inside the nucleon. Compared to the more well-known Wigner distribution, the Husimi distribution is better behaved and positive. It thus allows for a probabilistic interpretation and can be used to define the `entropy' of the nucleon as a measure of complexity of the partonic structure. A possible connection to the Color Glass Condensate approach at small-$x$ is also discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05825","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":"2026-05-18T01:16:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hHy4RaPWFA5FEJyTecRAhshtGO9l35chqcknSDeTi5O1gg33Fd4SNEWfYQl0kYkVSoInjZW3cWYJ4/H0bYUjBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:25:26.139994Z"},"content_sha256":"3fc3b29ecef50ce9bc223a2c9acd7ed12e9689f1805c71ebdacdbc72dc17e0ad","schema_version":"1.0","event_id":"sha256:3fc3b29ecef50ce9bc223a2c9acd7ed12e9689f1805c71ebdacdbc72dc17e0ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IUINBKGFZ56IEW7LXQ3R5C46DG/bundle.json","state_url":"https://pith.science/pith/IUINBKGFZ56IEW7LXQ3R5C46DG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IUINBKGFZ56IEW7LXQ3R5C46DG/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":"2026-05-27T03:25:26Z","links":{"resolver":"https://pith.science/pith/IUINBKGFZ56IEW7LXQ3R5C46DG","bundle":"https://pith.science/pith/IUINBKGFZ56IEW7LXQ3R5C46DG/bundle.json","state":"https://pith.science/pith/IUINBKGFZ56IEW7LXQ3R5C46DG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IUINBKGFZ56IEW7LXQ3R5C46DG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IUINBKGFZ56IEW7LXQ3R5C46DG","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":"cf0b1f9bed0386402c2846542bd645a8f168dcf894b41b2baf297226d62ad599","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-17T23:11:28Z","title_canon_sha256":"419d1203095438eb6110cd3f26405c17ae6d467f455729b615b61819897bafb9"},"schema_version":"1.0","source":{"id":"1512.05825","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05825","created_at":"2026-05-18T01:16:44Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05825v2","created_at":"2026-05-18T01:16:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05825","created_at":"2026-05-18T01:16:44Z"},{"alias_kind":"pith_short_12","alias_value":"IUINBKGFZ56I","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IUINBKGFZ56IEW7L","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IUINBKGF","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:3fc3b29ecef50ce9bc223a2c9acd7ed12e9689f1805c71ebdacdbc72dc17e0ad","target":"graph","created_at":"2026-05-18T01:16:44Z","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 define the QCD Husimi distribution as the phase space distribution of partons inside the nucleon. Compared to the more well-known Wigner distribution, the Husimi distribution is better behaved and positive. It thus allows for a probabilistic interpretation and can be used to define the `entropy' of the nucleon as a measure of complexity of the partonic structure. A possible connection to the Color Glass Condensate approach at small-$x$ is also discussed.","authors_text":"Yoshikazu Hagiwara, Yoshitaka Hatta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-17T23:11:28Z","title":"Husimi distribution for nucleon tomography"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05825","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:c6837cafa246e7ab0314b191b28156a0a3de2d782217aa092196d371b1583fa9","target":"record","created_at":"2026-05-18T01:16:44Z","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":"cf0b1f9bed0386402c2846542bd645a8f168dcf894b41b2baf297226d62ad599","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-17T23:11:28Z","title_canon_sha256":"419d1203095438eb6110cd3f26405c17ae6d467f455729b615b61819897bafb9"},"schema_version":"1.0","source":{"id":"1512.05825","kind":"arxiv","version":2}},"canonical_sha256":"4510d0a8c5cf7c825bebbc371e8b9e19a0ff4b16bae2a749b1878803ab61f5e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4510d0a8c5cf7c825bebbc371e8b9e19a0ff4b16bae2a749b1878803ab61f5e6","first_computed_at":"2026-05-18T01:16:44.412264Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:44.412264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KbE9cQk03I5EHudaWdQe1uaGCrlL2IU1aJbjqQ+jObOolIn/Z++V0JcACIXhRy65br+UvsjuGV7Lb7iwhBDjDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:44.412982Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.05825","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6837cafa246e7ab0314b191b28156a0a3de2d782217aa092196d371b1583fa9","sha256:3fc3b29ecef50ce9bc223a2c9acd7ed12e9689f1805c71ebdacdbc72dc17e0ad"],"state_sha256":"416841b7d84658f3e668c9e4ad9c59dc4c1e4aa4206bc8481b9dc2ad496beaf8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tfRfT0BO0hIrwR167DnLCxCYq44S9o6D5gyoPNQg74z7D1Z/iMBF3PxP+m62e21wjd5Q8e0rVvpCFddXYoqIAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T03:25:26.143589Z","bundle_sha256":"c1fc346b5819a1f5486198c406be6f0bcf03164cc31912e46dbf1e8fd2a813b0"}}