{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:S2MFEY3IUZXNXFJW6EZ7I6DYD2","short_pith_number":"pith:S2MFEY3I","canonical_record":{"source":{"id":"2206.09553","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-20T03:31:00Z","cross_cats_sorted":[],"title_canon_sha256":"2f5e0eacc895c2528cba2602a500ff8b4e8cfa972221b62fad1e5135a53baa9a","abstract_canon_sha256":"6c65e51ed1ef4313c1dedd06a178d2e5f00959da17a2d780e448fd8b873c5e93"},"schema_version":"1.0"},"canonical_sha256":"9698526368a66edb9536f133f478781e84d42d18af5baff1c2b9297397e242c7","source":{"kind":"arxiv","id":"2206.09553","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.09553","created_at":"2026-07-05T04:33:08Z"},{"alias_kind":"arxiv_version","alias_value":"2206.09553v1","created_at":"2026-07-05T04:33:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.09553","created_at":"2026-07-05T04:33:08Z"},{"alias_kind":"pith_short_12","alias_value":"S2MFEY3IUZXN","created_at":"2026-07-05T04:33:08Z"},{"alias_kind":"pith_short_16","alias_value":"S2MFEY3IUZXNXFJW","created_at":"2026-07-05T04:33:08Z"},{"alias_kind":"pith_short_8","alias_value":"S2MFEY3I","created_at":"2026-07-05T04:33:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:S2MFEY3IUZXNXFJW6EZ7I6DYD2","target":"record","payload":{"canonical_record":{"source":{"id":"2206.09553","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-20T03:31:00Z","cross_cats_sorted":[],"title_canon_sha256":"2f5e0eacc895c2528cba2602a500ff8b4e8cfa972221b62fad1e5135a53baa9a","abstract_canon_sha256":"6c65e51ed1ef4313c1dedd06a178d2e5f00959da17a2d780e448fd8b873c5e93"},"schema_version":"1.0"},"canonical_sha256":"9698526368a66edb9536f133f478781e84d42d18af5baff1c2b9297397e242c7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:33:08.502327Z","signature_b64":"Q8izoF7O6fT83cpVyfWerHPODobNkB/sJZO4ujhgVIqG91bFBTXhXs797X03HI9i6zzUDNwf7gjhv3vxwiRvAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9698526368a66edb9536f133f478781e84d42d18af5baff1c2b9297397e242c7","last_reissued_at":"2026-07-05T04:33:08.501956Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:33:08.501956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.09553","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":"2026-07-05T04:33:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zf7ZYfCAl9Oc76d1nfGkFggbRODnfx0xO4ST+yceJqfVDlZbErzgYOLXjpA6UQbfVkK2BTGjZBzQL135WA52CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T18:22:58.942565Z"},"content_sha256":"5bad67e8d0df56cefc034461d373909bbff22276971d2592550b88895d7cccc7","schema_version":"1.0","event_id":"sha256:5bad67e8d0df56cefc034461d373909bbff22276971d2592550b88895d7cccc7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:S2MFEY3IUZXNXFJW6EZ7I6DYD2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Capturing and Inferring Dense Full-Body Human-Scene Contact","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chun-Hao P. Huang, Daniel Scharstein, Hongwei Yi, Markus H\\\"oschle, Matvey Safroshkin, Michael J. Black, Senya Polikovsky, Tsvetelina Alexiadis","submitted_at":"2022-06-20T03:31:00Z","abstract_excerpt":"Inferring human-scene contact (HSC) is the first step toward understanding how humans interact with their surroundings. While detecting 2D human-object interaction (HOI) and reconstructing 3D human pose and shape (HPS) have enjoyed significant progress, reasoning about 3D human-scene contact from a single image is still challenging. Existing HSC detection methods consider only a few types of predefined contact, often reduce body and scene to a small number of primitives, and even overlook image evidence. To predict human-scene contact from a single image, we address the limitations above from "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.09553","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2206.09553/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:33:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bKMw7dytTLH17fnqC8O1FQN09gIiy9Ibn5JSgPYid+akLGgRevgTL+P6rHCN0l3R721QL9ofpHYhaLJg5Ri6DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T18:22:58.943067Z"},"content_sha256":"b277c33e3dbbc5a3d773075ac35723660954d0da846f135b8f55dd59e749aafe","schema_version":"1.0","event_id":"sha256:b277c33e3dbbc5a3d773075ac35723660954d0da846f135b8f55dd59e749aafe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S2MFEY3IUZXNXFJW6EZ7I6DYD2/bundle.json","state_url":"https://pith.science/pith/S2MFEY3IUZXNXFJW6EZ7I6DYD2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S2MFEY3IUZXNXFJW6EZ7I6DYD2/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":"2026-08-22T18:22:58Z","links":{"resolver":"https://pith.science/pith/S2MFEY3IUZXNXFJW6EZ7I6DYD2","bundle":"https://pith.science/pith/S2MFEY3IUZXNXFJW6EZ7I6DYD2/bundle.json","state":"https://pith.science/pith/S2MFEY3IUZXNXFJW6EZ7I6DYD2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S2MFEY3IUZXNXFJW6EZ7I6DYD2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:S2MFEY3IUZXNXFJW6EZ7I6DYD2","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":"6c65e51ed1ef4313c1dedd06a178d2e5f00959da17a2d780e448fd8b873c5e93","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-20T03:31:00Z","title_canon_sha256":"2f5e0eacc895c2528cba2602a500ff8b4e8cfa972221b62fad1e5135a53baa9a"},"schema_version":"1.0","source":{"id":"2206.09553","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.09553","created_at":"2026-07-05T04:33:08Z"},{"alias_kind":"arxiv_version","alias_value":"2206.09553v1","created_at":"2026-07-05T04:33:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.09553","created_at":"2026-07-05T04:33:08Z"},{"alias_kind":"pith_short_12","alias_value":"S2MFEY3IUZXN","created_at":"2026-07-05T04:33:08Z"},{"alias_kind":"pith_short_16","alias_value":"S2MFEY3IUZXNXFJW","created_at":"2026-07-05T04:33:08Z"},{"alias_kind":"pith_short_8","alias_value":"S2MFEY3I","created_at":"2026-07-05T04:33:08Z"}],"graph_snapshots":[{"event_id":"sha256:b277c33e3dbbc5a3d773075ac35723660954d0da846f135b8f55dd59e749aafe","target":"graph","created_at":"2026-07-05T04:33:08Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2206.09553/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Inferring human-scene contact (HSC) is the first step toward understanding how humans interact with their surroundings. While detecting 2D human-object interaction (HOI) and reconstructing 3D human pose and shape (HPS) have enjoyed significant progress, reasoning about 3D human-scene contact from a single image is still challenging. Existing HSC detection methods consider only a few types of predefined contact, often reduce body and scene to a small number of primitives, and even overlook image evidence. To predict human-scene contact from a single image, we address the limitations above from ","authors_text":"Chun-Hao P. Huang, Daniel Scharstein, Hongwei Yi, Markus H\\\"oschle, Matvey Safroshkin, Michael J. Black, Senya Polikovsky, Tsvetelina Alexiadis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-20T03:31:00Z","title":"Capturing and Inferring Dense Full-Body Human-Scene Contact"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.09553","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":"sha256:5bad67e8d0df56cefc034461d373909bbff22276971d2592550b88895d7cccc7","target":"record","created_at":"2026-07-05T04:33:08Z","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":"6c65e51ed1ef4313c1dedd06a178d2e5f00959da17a2d780e448fd8b873c5e93","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-20T03:31:00Z","title_canon_sha256":"2f5e0eacc895c2528cba2602a500ff8b4e8cfa972221b62fad1e5135a53baa9a"},"schema_version":"1.0","source":{"id":"2206.09553","kind":"arxiv","version":1}},"canonical_sha256":"9698526368a66edb9536f133f478781e84d42d18af5baff1c2b9297397e242c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9698526368a66edb9536f133f478781e84d42d18af5baff1c2b9297397e242c7","first_computed_at":"2026-07-05T04:33:08.501956Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:33:08.501956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q8izoF7O6fT83cpVyfWerHPODobNkB/sJZO4ujhgVIqG91bFBTXhXs797X03HI9i6zzUDNwf7gjhv3vxwiRvAA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:33:08.502327Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.09553","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5bad67e8d0df56cefc034461d373909bbff22276971d2592550b88895d7cccc7","sha256:b277c33e3dbbc5a3d773075ac35723660954d0da846f135b8f55dd59e749aafe"],"state_sha256":"fae66be1514bba44bfd4f5302f126932e168053b94bf85c819a1bc070cdfe36b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hL8Dur8rY4Y5F4FKToQAH769USyU8ih1C/ldXx6c4iCfpILP0xdTFNL1bWLHNXcfSwOvVF1kE8BhOJjB+a17Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T18:22:58.947976Z","bundle_sha256":"f48460b1905aa33e839ad7bc53c860c5279b069da1f97d7e081bcb366a5de9ce"}}