{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:47WGXLCYR54BJPM7CLQNCVRSHR","short_pith_number":"pith:47WGXLCY","canonical_record":{"source":{"id":"2211.02680","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-11-04T19:08:01Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"6d1f5cf04fa805d4df985b9b7a362f4769e90c390362d67f2fab01a1d1ea1c6d","abstract_canon_sha256":"602ce6225866c64ccb34042edab13ea86be501f117585cdfc24299b619e85956"},"schema_version":"1.0"},"canonical_sha256":"e7ec6bac588f7814bd9f12e0d156323c5a2efe88cfc988e8f657669012bb95a4","source":{"kind":"arxiv","id":"2211.02680","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.02680","created_at":"2026-07-05T07:55:56Z"},{"alias_kind":"arxiv_version","alias_value":"2211.02680v2","created_at":"2026-07-05T07:55:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.02680","created_at":"2026-07-05T07:55:56Z"},{"alias_kind":"pith_short_12","alias_value":"47WGXLCYR54B","created_at":"2026-07-05T07:55:56Z"},{"alias_kind":"pith_short_16","alias_value":"47WGXLCYR54BJPM7","created_at":"2026-07-05T07:55:56Z"},{"alias_kind":"pith_short_8","alias_value":"47WGXLCY","created_at":"2026-07-05T07:55:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:47WGXLCYR54BJPM7CLQNCVRSHR","target":"record","payload":{"canonical_record":{"source":{"id":"2211.02680","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-11-04T19:08:01Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"6d1f5cf04fa805d4df985b9b7a362f4769e90c390362d67f2fab01a1d1ea1c6d","abstract_canon_sha256":"602ce6225866c64ccb34042edab13ea86be501f117585cdfc24299b619e85956"},"schema_version":"1.0"},"canonical_sha256":"e7ec6bac588f7814bd9f12e0d156323c5a2efe88cfc988e8f657669012bb95a4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:55:56.478014Z","signature_b64":"JsaHJex4t8WnLECUTu/oVLsTETOAZnUiSWB2YbRxELnerUskEKIZsEXQtdKRRMpN3lLkvFj8joRGNhGSmhY1Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e7ec6bac588f7814bd9f12e0d156323c5a2efe88cfc988e8f657669012bb95a4","last_reissued_at":"2026-07-05T07:55:56.477548Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:55:56.477548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2211.02680","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":"2026-07-05T07:55:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5RIe+7s0+jCk76LO9MBm5epc1/+f8e+A1QLDFOGsME99DA5sXRhPuUH1gPLAHM7XGsIAWud8Ml/VNBD7v7cyAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:42:02.039116Z"},"content_sha256":"99b53dbc0a11cbb77f2eb77c9b55d9fb46d7238a60af9df40c21d7cf144259dd","schema_version":"1.0","event_id":"sha256:99b53dbc0a11cbb77f2eb77c9b55d9fb46d7238a60af9df40c21d7cf144259dd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:47WGXLCYR54BJPM7CLQNCVRSHR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Climbing Routes Clustering Using Energy-Efficient Accelerometers Attached to the Quickdraws","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.LG"],"primary_cat":"eess.SP","authors_text":"Andrea Janes, Camillo Porcaro, Lorenzo Mucchi, Luca Barletta, Massimiliano Pierobon, Sadaf Moaveninejad","submitted_at":"2022-11-04T19:08:01Z","abstract_excerpt":"One of the challenges for climbing gyms is to find out popular routes for the climbers to improve their services and optimally use their infrastructure. This problem must be addressed preserving both the privacy and convenience of the climbers and the costs of the gyms. To this aim, a hardware prototype is developed to collect data using accelerometer sensors attached to a piece of climbing equipment mounted on the wall, called quickdraw, that connects the climbing rope to the bolt anchors. The corresponding sensors are configured to be energy-efficient, hence becoming practical in terms of ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.02680","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2211.02680/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":"2026-07-05T07:55:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"87EIaVVWQ0RSL8i7XQrUFU5fdnxlep0PdFYtxs3BlidU/hSfb3/hFALm+vEBouVAD6EjjztQKZjvXz/NC6SPAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:42:02.040056Z"},"content_sha256":"0059daa9bfe3125c391a7bddfb2a0e8619d9428cfb16ea9301c815ee115574be","schema_version":"1.0","event_id":"sha256:0059daa9bfe3125c391a7bddfb2a0e8619d9428cfb16ea9301c815ee115574be"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/47WGXLCYR54BJPM7CLQNCVRSHR/bundle.json","state_url":"https://pith.science/pith/47WGXLCYR54BJPM7CLQNCVRSHR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/47WGXLCYR54BJPM7CLQNCVRSHR/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":"2026-08-03T16:42:02Z","links":{"resolver":"https://pith.science/pith/47WGXLCYR54BJPM7CLQNCVRSHR","bundle":"https://pith.science/pith/47WGXLCYR54BJPM7CLQNCVRSHR/bundle.json","state":"https://pith.science/pith/47WGXLCYR54BJPM7CLQNCVRSHR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/47WGXLCYR54BJPM7CLQNCVRSHR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:47WGXLCYR54BJPM7CLQNCVRSHR","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":"602ce6225866c64ccb34042edab13ea86be501f117585cdfc24299b619e85956","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-11-04T19:08:01Z","title_canon_sha256":"6d1f5cf04fa805d4df985b9b7a362f4769e90c390362d67f2fab01a1d1ea1c6d"},"schema_version":"1.0","source":{"id":"2211.02680","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.02680","created_at":"2026-07-05T07:55:56Z"},{"alias_kind":"arxiv_version","alias_value":"2211.02680v2","created_at":"2026-07-05T07:55:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.02680","created_at":"2026-07-05T07:55:56Z"},{"alias_kind":"pith_short_12","alias_value":"47WGXLCYR54B","created_at":"2026-07-05T07:55:56Z"},{"alias_kind":"pith_short_16","alias_value":"47WGXLCYR54BJPM7","created_at":"2026-07-05T07:55:56Z"},{"alias_kind":"pith_short_8","alias_value":"47WGXLCY","created_at":"2026-07-05T07:55:56Z"}],"graph_snapshots":[{"event_id":"sha256:0059daa9bfe3125c391a7bddfb2a0e8619d9428cfb16ea9301c815ee115574be","target":"graph","created_at":"2026-07-05T07:55:56Z","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/2211.02680/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"One of the challenges for climbing gyms is to find out popular routes for the climbers to improve their services and optimally use their infrastructure. This problem must be addressed preserving both the privacy and convenience of the climbers and the costs of the gyms. To this aim, a hardware prototype is developed to collect data using accelerometer sensors attached to a piece of climbing equipment mounted on the wall, called quickdraw, that connects the climbing rope to the bolt anchors. The corresponding sensors are configured to be energy-efficient, hence becoming practical in terms of ex","authors_text":"Andrea Janes, Camillo Porcaro, Lorenzo Mucchi, Luca Barletta, Massimiliano Pierobon, Sadaf Moaveninejad","cross_cats":["cs.AI","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-11-04T19:08:01Z","title":"Climbing Routes Clustering Using Energy-Efficient Accelerometers Attached to the Quickdraws"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.02680","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":"sha256:99b53dbc0a11cbb77f2eb77c9b55d9fb46d7238a60af9df40c21d7cf144259dd","target":"record","created_at":"2026-07-05T07:55:56Z","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":"602ce6225866c64ccb34042edab13ea86be501f117585cdfc24299b619e85956","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-11-04T19:08:01Z","title_canon_sha256":"6d1f5cf04fa805d4df985b9b7a362f4769e90c390362d67f2fab01a1d1ea1c6d"},"schema_version":"1.0","source":{"id":"2211.02680","kind":"arxiv","version":2}},"canonical_sha256":"e7ec6bac588f7814bd9f12e0d156323c5a2efe88cfc988e8f657669012bb95a4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e7ec6bac588f7814bd9f12e0d156323c5a2efe88cfc988e8f657669012bb95a4","first_computed_at":"2026-07-05T07:55:56.477548Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:55:56.477548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JsaHJex4t8WnLECUTu/oVLsTETOAZnUiSWB2YbRxELnerUskEKIZsEXQtdKRRMpN3lLkvFj8joRGNhGSmhY1Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:55:56.478014Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.02680","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99b53dbc0a11cbb77f2eb77c9b55d9fb46d7238a60af9df40c21d7cf144259dd","sha256:0059daa9bfe3125c391a7bddfb2a0e8619d9428cfb16ea9301c815ee115574be"],"state_sha256":"8abec63d71677c46786c19d9afa47ca4234c0f41c232910cd4bdcebf879b2cf8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q+YGiLsyQYGhcGUHWXmTBQjWGFY7N7nLvuvO6gTFHHa17UutVaQY6/530kLHYcmL7Y/ku3Rh4fCjwVd8Es51CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:42:02.045960Z","bundle_sha256":"4392e55f036d384e9f1b8f52c6a80b79df317d8a9f9554c3ac3f44001937d621"}}