{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:75HSN2ETLXARLM7OYJO32QUATD","short_pith_number":"pith:75HSN2ET","canonical_record":{"source":{"id":"1105.3536","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2011-05-18T05:32:11Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.med-ph"],"title_canon_sha256":"9b89c7a78d42f87d5092716f3c178919c706a683b7ba90c2f99cb75943b6c3c1","abstract_canon_sha256":"3c9efb659cb18212485ab6a5348effecdc2bd46123d252b6fb2d4fded35422e8"},"schema_version":"1.0"},"canonical_sha256":"ff4f26e8935dc115b3eec25dbd428098dbca31d3379a03b74ab30739fe5f65cd","source":{"kind":"arxiv","id":"1105.3536","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.3536","created_at":"2026-05-18T04:21:52Z"},{"alias_kind":"arxiv_version","alias_value":"1105.3536v1","created_at":"2026-05-18T04:21:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.3536","created_at":"2026-05-18T04:21:52Z"},{"alias_kind":"pith_short_12","alias_value":"75HSN2ETLXAR","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"75HSN2ETLXARLM7O","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"75HSN2ET","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:75HSN2ETLXARLM7OYJO32QUATD","target":"record","payload":{"canonical_record":{"source":{"id":"1105.3536","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2011-05-18T05:32:11Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.med-ph"],"title_canon_sha256":"9b89c7a78d42f87d5092716f3c178919c706a683b7ba90c2f99cb75943b6c3c1","abstract_canon_sha256":"3c9efb659cb18212485ab6a5348effecdc2bd46123d252b6fb2d4fded35422e8"},"schema_version":"1.0"},"canonical_sha256":"ff4f26e8935dc115b3eec25dbd428098dbca31d3379a03b74ab30739fe5f65cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:52.419107Z","signature_b64":"TVpQnJQ6lh/xoyv34M6Ejd4xDn5kH0WoFdL6YxmfaeiqEgvnP5HARO6lPgG9Osi3cnO5dBJ15GvdGCw1+a2vBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff4f26e8935dc115b3eec25dbd428098dbca31d3379a03b74ab30739fe5f65cd","last_reissued_at":"2026-05-18T04:21:52.418594Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:52.418594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.3536","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":"2026-05-18T04:21:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TMj59iYk43UQW5bPWl7TlQgzHfArbnXqwYsJwR0OCXdwvwYqn+R4zfr1KSWDWAOR3SWGFX0vcRR7uzxsVfu+Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T01:09:38.413657Z"},"content_sha256":"5814e4934ab7ac4ec84439f83f86f90131260da617922afce4e046570abc96df","schema_version":"1.0","event_id":"sha256:5814e4934ab7ac4ec84439f83f86f90131260da617922afce4e046570abc96df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:75HSN2ETLXARLM7OYJO32QUATD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep-Tissue Anatomical Imaging of Mice Using Carbon Nanotube Fluorophores in the Second Near Infrared Window","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.med-ph"],"primary_cat":"physics.bio-ph","authors_text":"Hongjie Dai, Kevin Welsher, Sarah P. Sherlock","submitted_at":"2011-05-18T05:32:11Z","abstract_excerpt":"Fluorescent imaging in the second near infrared window (NIR II, 1-1.4 {\\mu}m) holds much promise due to minimal autofluorescence and tissue scattering. Here, using well functionalized biocompatible single-walled carbon nanotubes (SWNTs) as NIR II fluorescent imaging agents, we performed high frame rate video imaging of mice during intravenous injection of SWNTs and investigated the path of SWNTs through the mouse anatomy. We observed in real-time SWNT circulation through the lungs and kidneys several seconds post-injection, and spleen and liver at slightly later time points. Dynamic contrast e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.3536","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":"2026-05-18T04:21:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BjS1vrfsSlwaNyF+oj5efUSFyWhZbTR+Rm+jupBVc1Ae2sk6ies39ePmO1mddcocWPB9+752Yf3OrrSNlJx8Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T01:09:38.414006Z"},"content_sha256":"fafe36543abbb441e67851d0dc5c93fe9ad02f8fd6894f10a3fb80405cf19d3e","schema_version":"1.0","event_id":"sha256:fafe36543abbb441e67851d0dc5c93fe9ad02f8fd6894f10a3fb80405cf19d3e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/75HSN2ETLXARLM7OYJO32QUATD/bundle.json","state_url":"https://pith.science/pith/75HSN2ETLXARLM7OYJO32QUATD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/75HSN2ETLXARLM7OYJO32QUATD/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":"2026-07-03T01:09:38Z","links":{"resolver":"https://pith.science/pith/75HSN2ETLXARLM7OYJO32QUATD","bundle":"https://pith.science/pith/75HSN2ETLXARLM7OYJO32QUATD/bundle.json","state":"https://pith.science/pith/75HSN2ETLXARLM7OYJO32QUATD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/75HSN2ETLXARLM7OYJO32QUATD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:75HSN2ETLXARLM7OYJO32QUATD","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":"3c9efb659cb18212485ab6a5348effecdc2bd46123d252b6fb2d4fded35422e8","cross_cats_sorted":["cond-mat.mtrl-sci","physics.med-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2011-05-18T05:32:11Z","title_canon_sha256":"9b89c7a78d42f87d5092716f3c178919c706a683b7ba90c2f99cb75943b6c3c1"},"schema_version":"1.0","source":{"id":"1105.3536","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.3536","created_at":"2026-05-18T04:21:52Z"},{"alias_kind":"arxiv_version","alias_value":"1105.3536v1","created_at":"2026-05-18T04:21:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.3536","created_at":"2026-05-18T04:21:52Z"},{"alias_kind":"pith_short_12","alias_value":"75HSN2ETLXAR","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"75HSN2ETLXARLM7O","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"75HSN2ET","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:fafe36543abbb441e67851d0dc5c93fe9ad02f8fd6894f10a3fb80405cf19d3e","target":"graph","created_at":"2026-05-18T04:21:52Z","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":"Fluorescent imaging in the second near infrared window (NIR II, 1-1.4 {\\mu}m) holds much promise due to minimal autofluorescence and tissue scattering. Here, using well functionalized biocompatible single-walled carbon nanotubes (SWNTs) as NIR II fluorescent imaging agents, we performed high frame rate video imaging of mice during intravenous injection of SWNTs and investigated the path of SWNTs through the mouse anatomy. We observed in real-time SWNT circulation through the lungs and kidneys several seconds post-injection, and spleen and liver at slightly later time points. Dynamic contrast e","authors_text":"Hongjie Dai, Kevin Welsher, Sarah P. Sherlock","cross_cats":["cond-mat.mtrl-sci","physics.med-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2011-05-18T05:32:11Z","title":"Deep-Tissue Anatomical Imaging of Mice Using Carbon Nanotube Fluorophores in the Second Near Infrared Window"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.3536","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":"sha256:5814e4934ab7ac4ec84439f83f86f90131260da617922afce4e046570abc96df","target":"record","created_at":"2026-05-18T04:21:52Z","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":"3c9efb659cb18212485ab6a5348effecdc2bd46123d252b6fb2d4fded35422e8","cross_cats_sorted":["cond-mat.mtrl-sci","physics.med-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2011-05-18T05:32:11Z","title_canon_sha256":"9b89c7a78d42f87d5092716f3c178919c706a683b7ba90c2f99cb75943b6c3c1"},"schema_version":"1.0","source":{"id":"1105.3536","kind":"arxiv","version":1}},"canonical_sha256":"ff4f26e8935dc115b3eec25dbd428098dbca31d3379a03b74ab30739fe5f65cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff4f26e8935dc115b3eec25dbd428098dbca31d3379a03b74ab30739fe5f65cd","first_computed_at":"2026-05-18T04:21:52.418594Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:52.418594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TVpQnJQ6lh/xoyv34M6Ejd4xDn5kH0WoFdL6YxmfaeiqEgvnP5HARO6lPgG9Osi3cnO5dBJ15GvdGCw1+a2vBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:52.419107Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.3536","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5814e4934ab7ac4ec84439f83f86f90131260da617922afce4e046570abc96df","sha256:fafe36543abbb441e67851d0dc5c93fe9ad02f8fd6894f10a3fb80405cf19d3e"],"state_sha256":"7966e6065dac9811e71972d794b456974a7329dc440f91d3edb15baa5e3cca36"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P+T/LZfdi0/aS9qcGmenOwZ294GrqJWiJNMUgdQkaCC9psgF/OGw/NvCMw7pkbgWkkxfQJaI1Ume+CE4z/fmBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T01:09:38.416106Z","bundle_sha256":"0659e5e2bdf5df06e7550c9bd5a7a5e82f53e253968e46fe4cd6d0447961a398"}}