{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:56QEAY3V2TXQMTIG3KY53HFUNH","short_pith_number":"pith:56QEAY3V","canonical_record":{"source":{"id":"1702.08606","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-02-28T02:18:47Z","cross_cats_sorted":["q-bio.NC","q-bio.QM"],"title_canon_sha256":"932ee7d048358d318d84daca09bb2be20429431d2ccfffb999623d41411934ce","abstract_canon_sha256":"08674a2a0ac0511bc3ab9363d5b941dfad514172d8703c49cb343dd89afc110e"},"schema_version":"1.0"},"canonical_sha256":"efa0406375d4ef064d06dab1dd9cb469ee8f6145d549b13bd54edf3d8c3cbe28","source":{"kind":"arxiv","id":"1702.08606","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.08606","created_at":"2026-05-18T00:25:01Z"},{"alias_kind":"arxiv_version","alias_value":"1702.08606v3","created_at":"2026-05-18T00:25:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.08606","created_at":"2026-05-18T00:25:01Z"},{"alias_kind":"pith_short_12","alias_value":"56QEAY3V2TXQ","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"56QEAY3V2TXQMTIG","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"56QEAY3V","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:56QEAY3V2TXQMTIG3KY53HFUNH","target":"record","payload":{"canonical_record":{"source":{"id":"1702.08606","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-02-28T02:18:47Z","cross_cats_sorted":["q-bio.NC","q-bio.QM"],"title_canon_sha256":"932ee7d048358d318d84daca09bb2be20429431d2ccfffb999623d41411934ce","abstract_canon_sha256":"08674a2a0ac0511bc3ab9363d5b941dfad514172d8703c49cb343dd89afc110e"},"schema_version":"1.0"},"canonical_sha256":"efa0406375d4ef064d06dab1dd9cb469ee8f6145d549b13bd54edf3d8c3cbe28","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:01.943957Z","signature_b64":"RNDzg1VCwgvJ28+9i3Ew8Wcb9d8IAIMsLutdpZfrVk3y4IbVkMBWrfdP4y6AkgjfjpPHoKn0ro4g0J9DzbV6Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"efa0406375d4ef064d06dab1dd9cb469ee8f6145d549b13bd54edf3d8c3cbe28","last_reissued_at":"2026-05-18T00:25:01.943610Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:01.943610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.08606","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:25:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/YZ0rsgdSCZvFeSHgNMqOIK4Zz5s6SVh8kP/DuaDw766Teqwi3ne570ClrlX+xY2n42qNLz6I+R9mHYt/2gRBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:16:27.071975Z"},"content_sha256":"25a00e2b2a28c0553cf3f779a6268a0468e3ba7442c08b65198480983d5be4c2","schema_version":"1.0","event_id":"sha256:25a00e2b2a28c0553cf3f779a6268a0468e3ba7442c08b65198480983d5be4c2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:56QEAY3V2TXQMTIG3KY53HFUNH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Active Atlas: Combining 3D Anatomical Models with Texture Detectors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.NC","q-bio.QM"],"primary_cat":"cs.CV","authors_text":"Alex Tolpygo, Daniel Ferrante, David Kleinfeld, Harvey Karten, Lauren McElvain, Partha Mitra, Yoav Freund, Yuncong Chen","submitted_at":"2017-02-28T02:18:47Z","abstract_excerpt":"While modern imaging technologies such as fMRI have opened exciting new possibilities for studying the brain in vivo, histological sections remain the best way to study the anatomy of the brain at the level of single neurons. The histological atlas changed little since 1909 and localizing brain regions is a still a labor intensive process performed only by experienced neuro-anatomists. Existing digital atlases such as the Allen Brain atlas are limited to low resolution images which cannot identify the detailed structure of the neurons. We have developed a digital atlas methodology that combine"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.08606","kind":"arxiv","version":3},"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":"2026-05-18T00:25:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3INam53I7ruaP67Uo7AXxgcFBQED9HYdKs8ojDjZg3FZAI9NAf1Dt6jk4FF9y31UMBV0GJ8h4scTHAuvqb2mCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:16:27.072354Z"},"content_sha256":"51a7487fe0856b7b85f7b2629a082d3812b235f0fc6795a3ad73f8fcd845c68f","schema_version":"1.0","event_id":"sha256:51a7487fe0856b7b85f7b2629a082d3812b235f0fc6795a3ad73f8fcd845c68f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/56QEAY3V2TXQMTIG3KY53HFUNH/bundle.json","state_url":"https://pith.science/pith/56QEAY3V2TXQMTIG3KY53HFUNH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/56QEAY3V2TXQMTIG3KY53HFUNH/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":"2026-05-26T22:16:27Z","links":{"resolver":"https://pith.science/pith/56QEAY3V2TXQMTIG3KY53HFUNH","bundle":"https://pith.science/pith/56QEAY3V2TXQMTIG3KY53HFUNH/bundle.json","state":"https://pith.science/pith/56QEAY3V2TXQMTIG3KY53HFUNH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/56QEAY3V2TXQMTIG3KY53HFUNH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:56QEAY3V2TXQMTIG3KY53HFUNH","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":"08674a2a0ac0511bc3ab9363d5b941dfad514172d8703c49cb343dd89afc110e","cross_cats_sorted":["q-bio.NC","q-bio.QM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-02-28T02:18:47Z","title_canon_sha256":"932ee7d048358d318d84daca09bb2be20429431d2ccfffb999623d41411934ce"},"schema_version":"1.0","source":{"id":"1702.08606","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.08606","created_at":"2026-05-18T00:25:01Z"},{"alias_kind":"arxiv_version","alias_value":"1702.08606v3","created_at":"2026-05-18T00:25:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.08606","created_at":"2026-05-18T00:25:01Z"},{"alias_kind":"pith_short_12","alias_value":"56QEAY3V2TXQ","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"56QEAY3V2TXQMTIG","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"56QEAY3V","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:51a7487fe0856b7b85f7b2629a082d3812b235f0fc6795a3ad73f8fcd845c68f","target":"graph","created_at":"2026-05-18T00:25:01Z","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":"While modern imaging technologies such as fMRI have opened exciting new possibilities for studying the brain in vivo, histological sections remain the best way to study the anatomy of the brain at the level of single neurons. The histological atlas changed little since 1909 and localizing brain regions is a still a labor intensive process performed only by experienced neuro-anatomists. Existing digital atlases such as the Allen Brain atlas are limited to low resolution images which cannot identify the detailed structure of the neurons. We have developed a digital atlas methodology that combine","authors_text":"Alex Tolpygo, Daniel Ferrante, David Kleinfeld, Harvey Karten, Lauren McElvain, Partha Mitra, Yoav Freund, Yuncong Chen","cross_cats":["q-bio.NC","q-bio.QM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-02-28T02:18:47Z","title":"The Active Atlas: Combining 3D Anatomical Models with Texture Detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.08606","kind":"arxiv","version":3},"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":"sha256:25a00e2b2a28c0553cf3f779a6268a0468e3ba7442c08b65198480983d5be4c2","target":"record","created_at":"2026-05-18T00:25:01Z","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":"08674a2a0ac0511bc3ab9363d5b941dfad514172d8703c49cb343dd89afc110e","cross_cats_sorted":["q-bio.NC","q-bio.QM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-02-28T02:18:47Z","title_canon_sha256":"932ee7d048358d318d84daca09bb2be20429431d2ccfffb999623d41411934ce"},"schema_version":"1.0","source":{"id":"1702.08606","kind":"arxiv","version":3}},"canonical_sha256":"efa0406375d4ef064d06dab1dd9cb469ee8f6145d549b13bd54edf3d8c3cbe28","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"efa0406375d4ef064d06dab1dd9cb469ee8f6145d549b13bd54edf3d8c3cbe28","first_computed_at":"2026-05-18T00:25:01.943610Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:01.943610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RNDzg1VCwgvJ28+9i3Ew8Wcb9d8IAIMsLutdpZfrVk3y4IbVkMBWrfdP4y6AkgjfjpPHoKn0ro4g0J9DzbV6Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:01.943957Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.08606","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25a00e2b2a28c0553cf3f779a6268a0468e3ba7442c08b65198480983d5be4c2","sha256:51a7487fe0856b7b85f7b2629a082d3812b235f0fc6795a3ad73f8fcd845c68f"],"state_sha256":"5913d029cb8240100d703eaa18a3b9328c3848e57647089c740e91998fc20f84"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XjTEYxwFzLJKef/a7kTW+yo1sCL0O/KytZXvqA82q9vDOE0jx32rkBRkzIfxYFPMul2iVAX/b84pOhEy0qS3Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:16:27.074530Z","bundle_sha256":"602045c8771791df85d2b14b04b2b2ee196a1dd46a9bc0b77740b4fa57570544"}}