{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:YLAMEESX77B37AD2ACTUEIAGVX","short_pith_number":"pith:YLAMEESX","canonical_record":{"source":{"id":"2002.03807","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-02-05T21:38:57Z","cross_cats_sorted":["cs.LG","stat.ML"],"title_canon_sha256":"e7c15bea541c4455c0afbfb53006b6aae577e5c7d601aa44d1dd10314cfb80af","abstract_canon_sha256":"c82f42b1cb3c1616ddc6c29746dbd64b25e902c5880ede6017b4aef01ab1e49a"},"schema_version":"1.0"},"canonical_sha256":"c2c0c21257ffc3bf807a00a7422006adf637500bb3abf80ec91f822722b5cc5b","source":{"kind":"arxiv","id":"2002.03807","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.03807","created_at":"2026-07-05T00:39:26Z"},{"alias_kind":"arxiv_version","alias_value":"2002.03807v1","created_at":"2026-07-05T00:39:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.03807","created_at":"2026-07-05T00:39:26Z"},{"alias_kind":"pith_short_12","alias_value":"YLAMEESX77B3","created_at":"2026-07-05T00:39:26Z"},{"alias_kind":"pith_short_16","alias_value":"YLAMEESX77B37AD2","created_at":"2026-07-05T00:39:26Z"},{"alias_kind":"pith_short_8","alias_value":"YLAMEESX","created_at":"2026-07-05T00:39:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:YLAMEESX77B37AD2ACTUEIAGVX","target":"record","payload":{"canonical_record":{"source":{"id":"2002.03807","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-02-05T21:38:57Z","cross_cats_sorted":["cs.LG","stat.ML"],"title_canon_sha256":"e7c15bea541c4455c0afbfb53006b6aae577e5c7d601aa44d1dd10314cfb80af","abstract_canon_sha256":"c82f42b1cb3c1616ddc6c29746dbd64b25e902c5880ede6017b4aef01ab1e49a"},"schema_version":"1.0"},"canonical_sha256":"c2c0c21257ffc3bf807a00a7422006adf637500bb3abf80ec91f822722b5cc5b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:39:26.262458Z","signature_b64":"x4hLAaOElnJj9/9f5p+1ncCB5ok4r/Uff/Qdp/W8x+/C8Zf92d0MlMsB3DDF8e5z2Z0b15qVDA101zhIoSObBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2c0c21257ffc3bf807a00a7422006adf637500bb3abf80ec91f822722b5cc5b","last_reissued_at":"2026-07-05T00:39:26.262044Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:39:26.262044Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.03807","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":"2026-07-05T00:39:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nqOfe0Ltf81RaZ69llvztMUxK4oFmsxQTGV9SXa3QMxgyTek0l9wfGsoLDzsBprxFsczEP4M93qdu3tM6fQ6Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:41:22.261151Z"},"content_sha256":"82574457e399749ee58a4dccedd66ef2748a36e707858b29453d7460720594fc","schema_version":"1.0","event_id":"sha256:82574457e399749ee58a4dccedd66ef2748a36e707858b29453d7460720594fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:YLAMEESX77B37AD2ACTUEIAGVX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Automatic image-based identification and biomass estimation of invertebrates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","stat.ML"],"primary_cat":"cs.CV","authors_text":"Alexandros Iosifidis, Claus Melvad, Jenni Raitoharju, Johanna \\\"Arje, Kristian Meissner, Mads Rosenh{\\o}j Jeppesen, Maria Strandg{\\aa}rd Rasmussen, Moncef Gabbouj, Sigurd Agerskov Madsen, Toke Thomas H{\\o}ye, Ville Tirronen","submitted_at":"2020-02-05T21:38:57Z","abstract_excerpt":"Understanding how biological communities respond to environmental changes is a key challenge in ecology and ecosystem management. The apparent decline of insect populations necessitates more biomonitoring but the time-consuming sorting and identification of taxa pose strong limitations on how many insect samples can be processed. In turn, this affects the scale of efforts to map invertebrate diversity altogether. Given recent advances in computer vision, we propose to replace the standard manual approach of human expert-based sorting and identification with an automatic image-based technology."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.03807","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/2002.03807/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":"2026-07-05T00:39:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"USXw/66Yx9RE98Mfh6jx7M9ktW0Szyo2CHMXuz+ir01hV/JFEtJzVHvJNhb9xCPT2VJDBfv+hcvlAJrF5MqoCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T16:41:22.261541Z"},"content_sha256":"7ce99561359191dad010762cf6df927f4442ec5516209a143db956136d5b1724","schema_version":"1.0","event_id":"sha256:7ce99561359191dad010762cf6df927f4442ec5516209a143db956136d5b1724"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YLAMEESX77B37AD2ACTUEIAGVX/bundle.json","state_url":"https://pith.science/pith/YLAMEESX77B37AD2ACTUEIAGVX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YLAMEESX77B37AD2ACTUEIAGVX/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":"2026-07-06T16:41:22Z","links":{"resolver":"https://pith.science/pith/YLAMEESX77B37AD2ACTUEIAGVX","bundle":"https://pith.science/pith/YLAMEESX77B37AD2ACTUEIAGVX/bundle.json","state":"https://pith.science/pith/YLAMEESX77B37AD2ACTUEIAGVX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YLAMEESX77B37AD2ACTUEIAGVX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:YLAMEESX77B37AD2ACTUEIAGVX","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":"c82f42b1cb3c1616ddc6c29746dbd64b25e902c5880ede6017b4aef01ab1e49a","cross_cats_sorted":["cs.LG","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-02-05T21:38:57Z","title_canon_sha256":"e7c15bea541c4455c0afbfb53006b6aae577e5c7d601aa44d1dd10314cfb80af"},"schema_version":"1.0","source":{"id":"2002.03807","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.03807","created_at":"2026-07-05T00:39:26Z"},{"alias_kind":"arxiv_version","alias_value":"2002.03807v1","created_at":"2026-07-05T00:39:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.03807","created_at":"2026-07-05T00:39:26Z"},{"alias_kind":"pith_short_12","alias_value":"YLAMEESX77B3","created_at":"2026-07-05T00:39:26Z"},{"alias_kind":"pith_short_16","alias_value":"YLAMEESX77B37AD2","created_at":"2026-07-05T00:39:26Z"},{"alias_kind":"pith_short_8","alias_value":"YLAMEESX","created_at":"2026-07-05T00:39:26Z"}],"graph_snapshots":[{"event_id":"sha256:7ce99561359191dad010762cf6df927f4442ec5516209a143db956136d5b1724","target":"graph","created_at":"2026-07-05T00:39:26Z","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/2002.03807/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Understanding how biological communities respond to environmental changes is a key challenge in ecology and ecosystem management. The apparent decline of insect populations necessitates more biomonitoring but the time-consuming sorting and identification of taxa pose strong limitations on how many insect samples can be processed. In turn, this affects the scale of efforts to map invertebrate diversity altogether. Given recent advances in computer vision, we propose to replace the standard manual approach of human expert-based sorting and identification with an automatic image-based technology.","authors_text":"Alexandros Iosifidis, Claus Melvad, Jenni Raitoharju, Johanna \\\"Arje, Kristian Meissner, Mads Rosenh{\\o}j Jeppesen, Maria Strandg{\\aa}rd Rasmussen, Moncef Gabbouj, Sigurd Agerskov Madsen, Toke Thomas H{\\o}ye, Ville Tirronen","cross_cats":["cs.LG","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-02-05T21:38:57Z","title":"Automatic image-based identification and biomass estimation of invertebrates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.03807","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":"sha256:82574457e399749ee58a4dccedd66ef2748a36e707858b29453d7460720594fc","target":"record","created_at":"2026-07-05T00:39:26Z","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":"c82f42b1cb3c1616ddc6c29746dbd64b25e902c5880ede6017b4aef01ab1e49a","cross_cats_sorted":["cs.LG","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-02-05T21:38:57Z","title_canon_sha256":"e7c15bea541c4455c0afbfb53006b6aae577e5c7d601aa44d1dd10314cfb80af"},"schema_version":"1.0","source":{"id":"2002.03807","kind":"arxiv","version":1}},"canonical_sha256":"c2c0c21257ffc3bf807a00a7422006adf637500bb3abf80ec91f822722b5cc5b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2c0c21257ffc3bf807a00a7422006adf637500bb3abf80ec91f822722b5cc5b","first_computed_at":"2026-07-05T00:39:26.262044Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:39:26.262044Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x4hLAaOElnJj9/9f5p+1ncCB5ok4r/Uff/Qdp/W8x+/C8Zf92d0MlMsB3DDF8e5z2Z0b15qVDA101zhIoSObBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:39:26.262458Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.03807","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82574457e399749ee58a4dccedd66ef2748a36e707858b29453d7460720594fc","sha256:7ce99561359191dad010762cf6df927f4442ec5516209a143db956136d5b1724"],"state_sha256":"b7fec881fb85206f040e177a17bf8328a908bbebb022ad2a1f3e9ce40b12781a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AwiIM+r+qBvuhknBmkBed8TR3C2poELx3VMSmy/5Q1BMNZizX7otcZMqDJ+LPlfc408QwQyWl3DpI7WyLm01DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T16:41:22.263760Z","bundle_sha256":"556d8fa9faf0ef9231be0a4588987773aa7aefaa1d7ff226e0dcd2ecb67fa821"}}