{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:AIYMJ6XD3X5XHNGYCTHKRW4VFS","short_pith_number":"pith:AIYMJ6XD","canonical_record":{"source":{"id":"1310.7659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-29T01:34:05Z","cross_cats_sorted":[],"title_canon_sha256":"34ed17ed3826453a9fe994210f4adbabe7c7c93b026e672a2d8118a7509b7c53","abstract_canon_sha256":"1569539ddf28684687e836d1ac3d2aec0487598ed81fcd8b14a03292a417c650"},"schema_version":"1.0"},"canonical_sha256":"0230c4fae3ddfb73b4d814cea8db952c920abb12937370517250ed20c5ab2c77","source":{"kind":"arxiv","id":"1310.7659","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7659","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7659v1","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7659","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"pith_short_12","alias_value":"AIYMJ6XD3X5X","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"AIYMJ6XD3X5XHNGY","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"AIYMJ6XD","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:AIYMJ6XD3X5XHNGYCTHKRW4VFS","target":"record","payload":{"canonical_record":{"source":{"id":"1310.7659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-29T01:34:05Z","cross_cats_sorted":[],"title_canon_sha256":"34ed17ed3826453a9fe994210f4adbabe7c7c93b026e672a2d8118a7509b7c53","abstract_canon_sha256":"1569539ddf28684687e836d1ac3d2aec0487598ed81fcd8b14a03292a417c650"},"schema_version":"1.0"},"canonical_sha256":"0230c4fae3ddfb73b4d814cea8db952c920abb12937370517250ed20c5ab2c77","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:48.178239Z","signature_b64":"nbbzjaA6sp4aqfc9OXxOLtyld/G2cHD+dDc1MOpblx6MNokQJvT0jG+Q4xR3/0NxOX5iRvMqFONwe+lkkjbLDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0230c4fae3ddfb73b4d814cea8db952c920abb12937370517250ed20c5ab2c77","last_reissued_at":"2026-05-18T01:46:48.177374Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:48.177374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.7659","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":"2026-05-18T01:46:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ss+KaSUNRcWQdAfwru09/6xpawgmlNS3Dd7E1BLpxurG7SCpfzZIg4CbJnXWe40ZMy8uO07Fz0whO6ScwJGmAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T09:15:51.533880Z"},"content_sha256":"f906e8a1099b089cbe96d2f24fd1249aa37af06f8e01130dbb672a2502a9d56a","schema_version":"1.0","event_id":"sha256:f906e8a1099b089cbe96d2f24fd1249aa37af06f8e01130dbb672a2502a9d56a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:AIYMJ6XD3X5XHNGYCTHKRW4VFS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultrasound Modulated Bioluminescence Tomography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Guillaume Bal, John C Schotland","submitted_at":"2013-10-29T01:34:05Z","abstract_excerpt":"We propose a method to reconstruct the density of a luminescent source in a highly-scattering medium from ultrasound modulated optical measurements. Our approach is based on the solution to a hybrid inverse source problem for the diffusion equation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7659","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":"2026-05-18T01:46:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yJFOpb5cZXB3k9I6COo0lal3cyfq48+3Nt3t1oUbMQVBmPxipguEBDPVwB78kgAAg7VHBfn1Zt5lCPE3C2oEBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T09:15:51.534230Z"},"content_sha256":"c18e69bc5eab375c87dabf49481bbad68fbfc52f8abab4b4e28bfe0d305b8f86","schema_version":"1.0","event_id":"sha256:c18e69bc5eab375c87dabf49481bbad68fbfc52f8abab4b4e28bfe0d305b8f86"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AIYMJ6XD3X5XHNGYCTHKRW4VFS/bundle.json","state_url":"https://pith.science/pith/AIYMJ6XD3X5XHNGYCTHKRW4VFS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AIYMJ6XD3X5XHNGYCTHKRW4VFS/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":"2026-06-01T09:15:51Z","links":{"resolver":"https://pith.science/pith/AIYMJ6XD3X5XHNGYCTHKRW4VFS","bundle":"https://pith.science/pith/AIYMJ6XD3X5XHNGYCTHKRW4VFS/bundle.json","state":"https://pith.science/pith/AIYMJ6XD3X5XHNGYCTHKRW4VFS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AIYMJ6XD3X5XHNGYCTHKRW4VFS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:AIYMJ6XD3X5XHNGYCTHKRW4VFS","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":"1569539ddf28684687e836d1ac3d2aec0487598ed81fcd8b14a03292a417c650","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-29T01:34:05Z","title_canon_sha256":"34ed17ed3826453a9fe994210f4adbabe7c7c93b026e672a2d8118a7509b7c53"},"schema_version":"1.0","source":{"id":"1310.7659","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7659","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7659v1","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7659","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"pith_short_12","alias_value":"AIYMJ6XD3X5X","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"AIYMJ6XD3X5XHNGY","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"AIYMJ6XD","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:c18e69bc5eab375c87dabf49481bbad68fbfc52f8abab4b4e28bfe0d305b8f86","target":"graph","created_at":"2026-05-18T01:46:48Z","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 propose a method to reconstruct the density of a luminescent source in a highly-scattering medium from ultrasound modulated optical measurements. Our approach is based on the solution to a hybrid inverse source problem for the diffusion equation.","authors_text":"Guillaume Bal, John C Schotland","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-29T01:34:05Z","title":"Ultrasound Modulated Bioluminescence Tomography"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7659","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:f906e8a1099b089cbe96d2f24fd1249aa37af06f8e01130dbb672a2502a9d56a","target":"record","created_at":"2026-05-18T01:46:48Z","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":"1569539ddf28684687e836d1ac3d2aec0487598ed81fcd8b14a03292a417c650","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-29T01:34:05Z","title_canon_sha256":"34ed17ed3826453a9fe994210f4adbabe7c7c93b026e672a2d8118a7509b7c53"},"schema_version":"1.0","source":{"id":"1310.7659","kind":"arxiv","version":1}},"canonical_sha256":"0230c4fae3ddfb73b4d814cea8db952c920abb12937370517250ed20c5ab2c77","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0230c4fae3ddfb73b4d814cea8db952c920abb12937370517250ed20c5ab2c77","first_computed_at":"2026-05-18T01:46:48.177374Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:48.177374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nbbzjaA6sp4aqfc9OXxOLtyld/G2cHD+dDc1MOpblx6MNokQJvT0jG+Q4xR3/0NxOX5iRvMqFONwe+lkkjbLDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:48.178239Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.7659","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f906e8a1099b089cbe96d2f24fd1249aa37af06f8e01130dbb672a2502a9d56a","sha256:c18e69bc5eab375c87dabf49481bbad68fbfc52f8abab4b4e28bfe0d305b8f86"],"state_sha256":"adb9275b82be6188f8111d3d6491d3d5f773e8890af62842df27f0665b80dd5b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TgIwf0emrMQ83XPe+BHgTnyIb9Kri+RhZJvEnAIxf7A/Df8JcIBaREp24NyxgsCtiwZAEX05mRRqDJaKSN4nBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T09:15:51.536268Z","bundle_sha256":"81e1a80ec2e271ce5a1756909fe3dbbbdcfa9207eca8a7562c01118b43dc0ab0"}}