{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:7WIPWA3CGKO3AZ4UPNHVZGSU2L","short_pith_number":"pith:7WIPWA3C","canonical_record":{"source":{"id":"1904.05264","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-10T16:05:43Z","cross_cats_sorted":[],"title_canon_sha256":"1bd2411a77ef823a59d59c3b9e55e2ebb3649ed0c76867613677174f858a6d15","abstract_canon_sha256":"c611093cb0e146b2690965461b3958edc1bf64467cadbee5ef43ccaa343b9586"},"schema_version":"1.0"},"canonical_sha256":"fd90fb0362329db067947b4f5c9a54d2c2136d69f79a6b2d592b5646ec436f48","source":{"kind":"arxiv","id":"1904.05264","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.05264","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"arxiv_version","alias_value":"1904.05264v1","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.05264","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"pith_short_12","alias_value":"7WIPWA3CGKO3","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7WIPWA3CGKO3AZ4U","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7WIPWA3C","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:7WIPWA3CGKO3AZ4UPNHVZGSU2L","target":"record","payload":{"canonical_record":{"source":{"id":"1904.05264","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-10T16:05:43Z","cross_cats_sorted":[],"title_canon_sha256":"1bd2411a77ef823a59d59c3b9e55e2ebb3649ed0c76867613677174f858a6d15","abstract_canon_sha256":"c611093cb0e146b2690965461b3958edc1bf64467cadbee5ef43ccaa343b9586"},"schema_version":"1.0"},"canonical_sha256":"fd90fb0362329db067947b4f5c9a54d2c2136d69f79a6b2d592b5646ec436f48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:53.653654Z","signature_b64":"sqP+ExVM3epms5JyhONAbFUjCbsM1zQe+AEDVkKm+aF89bB/GR40niJmCaYhQbFKpneC4krwgqEdW3cLzhKrBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd90fb0362329db067947b4f5c9a54d2c2136d69f79a6b2d592b5646ec436f48","last_reissued_at":"2026-05-17T23:48:53.653192Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:53.653192Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.05264","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":"2026-05-17T23:48:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B7tOIVKA4eOl+mylOq8yaRnY9DFSH7I8Zsv++8QrDDNKKFzl9CSRQxplDtl0mEz4wGft6SCX+yfOPbMgenFUAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T13:19:29.026777Z"},"content_sha256":"bce91d63788e5a7c6685b0ea8abccae5866b6d1866305b63fa46efd7ee6edc7a","schema_version":"1.0","event_id":"sha256:bce91d63788e5a7c6685b0ea8abccae5866b6d1866305b63fa46efd7ee6edc7a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:7WIPWA3CGKO3AZ4UPNHVZGSU2L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Egocentric Visitors Localization in Cultural Sites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Antonino Furnari, Francesco Ragusa, Giovanni Maria Farinella, Giovanni Signorello, Sebastiano Battiato","submitted_at":"2019-04-10T16:05:43Z","abstract_excerpt":"We consider the problem of localizing visitors in a cultural site from egocentric (first person) images. Localization information can be useful both to assist the user during his visit (e.g., by suggesting where to go and what to see next) and to provide behavioral information to the manager of the cultural site (e.g., how much time has been spent by visitors at a given location? What has been liked most?). To tackle the problem, we collected a large dataset of egocentric videos using two cameras: a head-mounted HoloLens device and a chest-mounted GoPro. Each frame has been labeled according t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.05264","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":"2026-05-17T23:48:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GXy8Ml6zNe5MFJ6gRP2+irslIS6mYMhcXcJsnjs8N+uvbtQ9Thn3v2n9BzPUnvZqx+Oy4pqOcJHTp0o2tES8AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T13:19:29.027127Z"},"content_sha256":"a9a69bd226b573dbeb48909a3ea672f6b43ee26162f7d68b4d834a11d0d26066","schema_version":"1.0","event_id":"sha256:a9a69bd226b573dbeb48909a3ea672f6b43ee26162f7d68b4d834a11d0d26066"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7WIPWA3CGKO3AZ4UPNHVZGSU2L/bundle.json","state_url":"https://pith.science/pith/7WIPWA3CGKO3AZ4UPNHVZGSU2L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7WIPWA3CGKO3AZ4UPNHVZGSU2L/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":"2026-06-04T13:19:29Z","links":{"resolver":"https://pith.science/pith/7WIPWA3CGKO3AZ4UPNHVZGSU2L","bundle":"https://pith.science/pith/7WIPWA3CGKO3AZ4UPNHVZGSU2L/bundle.json","state":"https://pith.science/pith/7WIPWA3CGKO3AZ4UPNHVZGSU2L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7WIPWA3CGKO3AZ4UPNHVZGSU2L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7WIPWA3CGKO3AZ4UPNHVZGSU2L","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":"c611093cb0e146b2690965461b3958edc1bf64467cadbee5ef43ccaa343b9586","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-10T16:05:43Z","title_canon_sha256":"1bd2411a77ef823a59d59c3b9e55e2ebb3649ed0c76867613677174f858a6d15"},"schema_version":"1.0","source":{"id":"1904.05264","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.05264","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"arxiv_version","alias_value":"1904.05264v1","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.05264","created_at":"2026-05-17T23:48:53Z"},{"alias_kind":"pith_short_12","alias_value":"7WIPWA3CGKO3","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7WIPWA3CGKO3AZ4U","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7WIPWA3C","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:a9a69bd226b573dbeb48909a3ea672f6b43ee26162f7d68b4d834a11d0d26066","target":"graph","created_at":"2026-05-17T23:48:53Z","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 consider the problem of localizing visitors in a cultural site from egocentric (first person) images. Localization information can be useful both to assist the user during his visit (e.g., by suggesting where to go and what to see next) and to provide behavioral information to the manager of the cultural site (e.g., how much time has been spent by visitors at a given location? What has been liked most?). To tackle the problem, we collected a large dataset of egocentric videos using two cameras: a head-mounted HoloLens device and a chest-mounted GoPro. Each frame has been labeled according t","authors_text":"Antonino Furnari, Francesco Ragusa, Giovanni Maria Farinella, Giovanni Signorello, Sebastiano Battiato","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-10T16:05:43Z","title":"Egocentric Visitors Localization in Cultural Sites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.05264","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:bce91d63788e5a7c6685b0ea8abccae5866b6d1866305b63fa46efd7ee6edc7a","target":"record","created_at":"2026-05-17T23:48:53Z","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":"c611093cb0e146b2690965461b3958edc1bf64467cadbee5ef43ccaa343b9586","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-10T16:05:43Z","title_canon_sha256":"1bd2411a77ef823a59d59c3b9e55e2ebb3649ed0c76867613677174f858a6d15"},"schema_version":"1.0","source":{"id":"1904.05264","kind":"arxiv","version":1}},"canonical_sha256":"fd90fb0362329db067947b4f5c9a54d2c2136d69f79a6b2d592b5646ec436f48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd90fb0362329db067947b4f5c9a54d2c2136d69f79a6b2d592b5646ec436f48","first_computed_at":"2026-05-17T23:48:53.653192Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:53.653192Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sqP+ExVM3epms5JyhONAbFUjCbsM1zQe+AEDVkKm+aF89bB/GR40niJmCaYhQbFKpneC4krwgqEdW3cLzhKrBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:53.653654Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.05264","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bce91d63788e5a7c6685b0ea8abccae5866b6d1866305b63fa46efd7ee6edc7a","sha256:a9a69bd226b573dbeb48909a3ea672f6b43ee26162f7d68b4d834a11d0d26066"],"state_sha256":"7ceb1fc8bb18955f8afac6fda72b88ac16982bcf8be8999d0a82ac0c3d6317ab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tEQUBwMWyp6gd/miXrY+NVzbkWUskJkqKlmuAIPCFR8/wJHhuQprkwm4LOrglsoJRpXoBPWJ0/fgdwFYFjmPBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T13:19:29.029126Z","bundle_sha256":"770e0ad3da9f9fa631f6fae43a23b502b542940db436dcf036f2119d8d53581d"}}