{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:YS6OXLWDLCG7E6NZEJOOOSFPOH","short_pith_number":"pith:YS6OXLWD","canonical_record":{"source":{"id":"1601.01358","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2016-01-07T00:28:06Z","cross_cats_sorted":[],"title_canon_sha256":"608ff7a13642fcdd42f3177898169542476ac131ea10ac172a5d0e7df032f23f","abstract_canon_sha256":"170a81000b90abcf9ae5747825e5973592d2abc102e5930ed4cb1e68cad326e1"},"schema_version":"1.0"},"canonical_sha256":"c4bcebaec3588df279b9225ce748af71e402433acba0b6ae7052eda538997374","source":{"kind":"arxiv","id":"1601.01358","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01358","created_at":"2026-05-18T00:38:04Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01358v2","created_at":"2026-05-18T00:38:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01358","created_at":"2026-05-18T00:38:04Z"},{"alias_kind":"pith_short_12","alias_value":"YS6OXLWDLCG7","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YS6OXLWDLCG7E6NZ","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YS6OXLWD","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:YS6OXLWDLCG7E6NZEJOOOSFPOH","target":"record","payload":{"canonical_record":{"source":{"id":"1601.01358","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2016-01-07T00:28:06Z","cross_cats_sorted":[],"title_canon_sha256":"608ff7a13642fcdd42f3177898169542476ac131ea10ac172a5d0e7df032f23f","abstract_canon_sha256":"170a81000b90abcf9ae5747825e5973592d2abc102e5930ed4cb1e68cad326e1"},"schema_version":"1.0"},"canonical_sha256":"c4bcebaec3588df279b9225ce748af71e402433acba0b6ae7052eda538997374","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:04.570163Z","signature_b64":"VfJs4ah1UeKdKCMmPE4sjUXYOThfsQEAYZ3plhVR1Dizl8TJFkx4g5XUcecYuCz0nMmNskJr4rX6nBclCZzrCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4bcebaec3588df279b9225ce748af71e402433acba0b6ae7052eda538997374","last_reissued_at":"2026-05-18T00:38:04.569494Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:04.569494Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.01358","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":"2026-05-18T00:38:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mp+attWWYeEEmiu/kz1iDU/bjMW5B1/RhPOF7MwNHull6tKIfTaeFG7rce5A0RdOidRfmCXm+k9JQtZguN2+Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:43:58.153301Z"},"content_sha256":"9192dddf18fe6ff3997634043aeff5789ecb0d3f1a67722fd1d1046b61ee4105","schema_version":"1.0","event_id":"sha256:9192dddf18fe6ff3997634043aeff5789ecb0d3f1a67722fd1d1046b61ee4105"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:YS6OXLWDLCG7E6NZEJOOOSFPOH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast, invariant representation for human action in the visual system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.NC","authors_text":"Andrea Tacchetti, Leyla Isik, Tomaso Poggio","submitted_at":"2016-01-07T00:28:06Z","abstract_excerpt":"Humans can effortlessly recognize others' actions in the presence of complex transformations, such as changes in viewpoint. Several studies have located the regions in the brain involved in invariant action recognition, however, the underlying neural computations remain poorly understood. We use magnetoencephalography (MEG) decoding and a dataset of well-controlled, naturalistic videos of five actions (run, walk, jump, eat, drink) performed by different actors at different viewpoints to study the computational steps used to recognize actions across complex transformations. In particular, we as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01358","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":"2026-05-18T00:38:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S40ttPM9cujgbFh0ySGN1bHLrCK7OKE9+L8S3kykaRBlE+mzn+8t3MP/8ThhyI4eSefAsygaZviGqGtBfMsODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:43:58.153995Z"},"content_sha256":"33259b29543f7d899f4478a8fc12096a036cac7d7f4ef9844e56802eb7cebf31","schema_version":"1.0","event_id":"sha256:33259b29543f7d899f4478a8fc12096a036cac7d7f4ef9844e56802eb7cebf31"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YS6OXLWDLCG7E6NZEJOOOSFPOH/bundle.json","state_url":"https://pith.science/pith/YS6OXLWDLCG7E6NZEJOOOSFPOH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YS6OXLWDLCG7E6NZEJOOOSFPOH/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":"2026-05-28T17:43:58Z","links":{"resolver":"https://pith.science/pith/YS6OXLWDLCG7E6NZEJOOOSFPOH","bundle":"https://pith.science/pith/YS6OXLWDLCG7E6NZEJOOOSFPOH/bundle.json","state":"https://pith.science/pith/YS6OXLWDLCG7E6NZEJOOOSFPOH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YS6OXLWDLCG7E6NZEJOOOSFPOH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:YS6OXLWDLCG7E6NZEJOOOSFPOH","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":"170a81000b90abcf9ae5747825e5973592d2abc102e5930ed4cb1e68cad326e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2016-01-07T00:28:06Z","title_canon_sha256":"608ff7a13642fcdd42f3177898169542476ac131ea10ac172a5d0e7df032f23f"},"schema_version":"1.0","source":{"id":"1601.01358","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01358","created_at":"2026-05-18T00:38:04Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01358v2","created_at":"2026-05-18T00:38:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01358","created_at":"2026-05-18T00:38:04Z"},{"alias_kind":"pith_short_12","alias_value":"YS6OXLWDLCG7","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YS6OXLWDLCG7E6NZ","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YS6OXLWD","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:33259b29543f7d899f4478a8fc12096a036cac7d7f4ef9844e56802eb7cebf31","target":"graph","created_at":"2026-05-18T00:38:04Z","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":"Humans can effortlessly recognize others' actions in the presence of complex transformations, such as changes in viewpoint. Several studies have located the regions in the brain involved in invariant action recognition, however, the underlying neural computations remain poorly understood. We use magnetoencephalography (MEG) decoding and a dataset of well-controlled, naturalistic videos of five actions (run, walk, jump, eat, drink) performed by different actors at different viewpoints to study the computational steps used to recognize actions across complex transformations. In particular, we as","authors_text":"Andrea Tacchetti, Leyla Isik, Tomaso Poggio","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2016-01-07T00:28:06Z","title":"Fast, invariant representation for human action in the visual system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01358","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":"sha256:9192dddf18fe6ff3997634043aeff5789ecb0d3f1a67722fd1d1046b61ee4105","target":"record","created_at":"2026-05-18T00:38:04Z","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":"170a81000b90abcf9ae5747825e5973592d2abc102e5930ed4cb1e68cad326e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2016-01-07T00:28:06Z","title_canon_sha256":"608ff7a13642fcdd42f3177898169542476ac131ea10ac172a5d0e7df032f23f"},"schema_version":"1.0","source":{"id":"1601.01358","kind":"arxiv","version":2}},"canonical_sha256":"c4bcebaec3588df279b9225ce748af71e402433acba0b6ae7052eda538997374","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4bcebaec3588df279b9225ce748af71e402433acba0b6ae7052eda538997374","first_computed_at":"2026-05-18T00:38:04.569494Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:04.569494Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VfJs4ah1UeKdKCMmPE4sjUXYOThfsQEAYZ3plhVR1Dizl8TJFkx4g5XUcecYuCz0nMmNskJr4rX6nBclCZzrCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:04.570163Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.01358","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9192dddf18fe6ff3997634043aeff5789ecb0d3f1a67722fd1d1046b61ee4105","sha256:33259b29543f7d899f4478a8fc12096a036cac7d7f4ef9844e56802eb7cebf31"],"state_sha256":"ca2b2ae2df1aa1cb79b77793e4b105113601bde5612de746fc79e143d34222c2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pdHBCK09bnLWWvfrJgjGgkssD3FjMMQvDe0gSk+swp2PkhCu06kRNZ+/QC270vnA8Zu0pBZmsQ9yWh0SBIMEDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T17:43:58.157649Z","bundle_sha256":"539b76a00c869f5f4b1da74b57044b78fd6049b6422d667cef2fd0d79ddd0188"}}