{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:K32VR5RRD4RT5LN7VLLBCCV5H7","short_pith_number":"pith:K32VR5RR","canonical_record":{"source":{"id":"2508.05529","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-08-07T16:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"fcaa536fd726e8b63a2469559686c0c343fc8f65222d1d4c3a1cad8d549eba6f","abstract_canon_sha256":"d229842024850b2d101db90963949be77546de67583967245b128ac122f127f2"},"schema_version":"1.0"},"canonical_sha256":"56f558f6311f233eadbfaad6110abd3fea02becf59f51b81f3227e9d9ebcdc14","source":{"kind":"arxiv","id":"2508.05529","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.05529","created_at":"2026-07-05T11:50:14Z"},{"alias_kind":"arxiv_version","alias_value":"2508.05529v1","created_at":"2026-07-05T11:50:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.05529","created_at":"2026-07-05T11:50:14Z"},{"alias_kind":"pith_short_12","alias_value":"K32VR5RRD4RT","created_at":"2026-07-05T11:50:14Z"},{"alias_kind":"pith_short_16","alias_value":"K32VR5RRD4RT5LN7","created_at":"2026-07-05T11:50:14Z"},{"alias_kind":"pith_short_8","alias_value":"K32VR5RR","created_at":"2026-07-05T11:50:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:K32VR5RRD4RT5LN7VLLBCCV5H7","target":"record","payload":{"canonical_record":{"source":{"id":"2508.05529","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-08-07T16:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"fcaa536fd726e8b63a2469559686c0c343fc8f65222d1d4c3a1cad8d549eba6f","abstract_canon_sha256":"d229842024850b2d101db90963949be77546de67583967245b128ac122f127f2"},"schema_version":"1.0"},"canonical_sha256":"56f558f6311f233eadbfaad6110abd3fea02becf59f51b81f3227e9d9ebcdc14","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:50:14.915977Z","signature_b64":"NOIgH6J0zLX1Q7Hmf2OywweGtmUt90rzLSm/V8aktXQXo6ge/2Hul02svF4CvtQS12Vjc8QThpdVHhcFJxbRBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56f558f6311f233eadbfaad6110abd3fea02becf59f51b81f3227e9d9ebcdc14","last_reissued_at":"2026-07-05T11:50:14.915488Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:50:14.915488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.05529","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":"2026-07-05T11:50:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XLiMDna29FiVeGfEdx5KXnNhKoKHE8xMPl34ho3EaLts/to+6+iQWDRKN6r2g+bnBB/AZkBcytFgAT0HdXqdCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T03:11:36.714320Z"},"content_sha256":"7200a0576d02c91fd82989b9a31ed2166daac1afc9f01f2e89fe75fa1b032420","schema_version":"1.0","event_id":"sha256:7200a0576d02c91fd82989b9a31ed2166daac1afc9f01f2e89fe75fa1b032420"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:K32VR5RRD4RT5LN7VLLBCCV5H7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Looking into the Unknown: Exploring Action Discovery for Segmentation of Known and Unknown Actions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Emad Bahrami, Federico Spurio, Gianpiero Francesca, Juergen Gall, Olga Zatsarynna, Yazan Abu Farha","submitted_at":"2025-08-07T16:00:00Z","abstract_excerpt":"We introduce Action Discovery, a novel setup within Temporal Action Segmentation that addresses the challenge of defining and annotating ambiguous actions and incomplete annotations in partially labeled datasets. In this setup, only a subset of actions - referred to as known actions - is annotated in the training data, while other unknown actions remain unlabeled. This scenario is particularly relevant in domains like neuroscience, where well-defined behaviors (e.g., walking, eating) coexist with subtle or infrequent actions that are often overlooked, as well as in applications where datasets "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.05529","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/2508.05529/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":"2026-07-05T11:50:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"asinTMzT+VioElqPGuPgdxwJCXcmm4RiAlJMPOf6NyXSkkj9CwUxS/tspfQSI87qJLkn0YSKoh2Cbio5DMnNAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T03:11:36.714829Z"},"content_sha256":"e83ea4cf3c8dd06b6f503b7fb6ba917b86a70873379f02e71ae4f69e7b904266","schema_version":"1.0","event_id":"sha256:e83ea4cf3c8dd06b6f503b7fb6ba917b86a70873379f02e71ae4f69e7b904266"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K32VR5RRD4RT5LN7VLLBCCV5H7/bundle.json","state_url":"https://pith.science/pith/K32VR5RRD4RT5LN7VLLBCCV5H7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K32VR5RRD4RT5LN7VLLBCCV5H7/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":"2026-08-23T03:11:36Z","links":{"resolver":"https://pith.science/pith/K32VR5RRD4RT5LN7VLLBCCV5H7","bundle":"https://pith.science/pith/K32VR5RRD4RT5LN7VLLBCCV5H7/bundle.json","state":"https://pith.science/pith/K32VR5RRD4RT5LN7VLLBCCV5H7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K32VR5RRD4RT5LN7VLLBCCV5H7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:K32VR5RRD4RT5LN7VLLBCCV5H7","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":"d229842024850b2d101db90963949be77546de67583967245b128ac122f127f2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-08-07T16:00:00Z","title_canon_sha256":"fcaa536fd726e8b63a2469559686c0c343fc8f65222d1d4c3a1cad8d549eba6f"},"schema_version":"1.0","source":{"id":"2508.05529","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.05529","created_at":"2026-07-05T11:50:14Z"},{"alias_kind":"arxiv_version","alias_value":"2508.05529v1","created_at":"2026-07-05T11:50:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.05529","created_at":"2026-07-05T11:50:14Z"},{"alias_kind":"pith_short_12","alias_value":"K32VR5RRD4RT","created_at":"2026-07-05T11:50:14Z"},{"alias_kind":"pith_short_16","alias_value":"K32VR5RRD4RT5LN7","created_at":"2026-07-05T11:50:14Z"},{"alias_kind":"pith_short_8","alias_value":"K32VR5RR","created_at":"2026-07-05T11:50:14Z"}],"graph_snapshots":[{"event_id":"sha256:e83ea4cf3c8dd06b6f503b7fb6ba917b86a70873379f02e71ae4f69e7b904266","target":"graph","created_at":"2026-07-05T11:50:14Z","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/2508.05529/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce Action Discovery, a novel setup within Temporal Action Segmentation that addresses the challenge of defining and annotating ambiguous actions and incomplete annotations in partially labeled datasets. In this setup, only a subset of actions - referred to as known actions - is annotated in the training data, while other unknown actions remain unlabeled. This scenario is particularly relevant in domains like neuroscience, where well-defined behaviors (e.g., walking, eating) coexist with subtle or infrequent actions that are often overlooked, as well as in applications where datasets ","authors_text":"Emad Bahrami, Federico Spurio, Gianpiero Francesca, Juergen Gall, Olga Zatsarynna, Yazan Abu Farha","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-08-07T16:00:00Z","title":"Looking into the Unknown: Exploring Action Discovery for Segmentation of Known and Unknown Actions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.05529","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":"sha256:7200a0576d02c91fd82989b9a31ed2166daac1afc9f01f2e89fe75fa1b032420","target":"record","created_at":"2026-07-05T11:50:14Z","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":"d229842024850b2d101db90963949be77546de67583967245b128ac122f127f2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-08-07T16:00:00Z","title_canon_sha256":"fcaa536fd726e8b63a2469559686c0c343fc8f65222d1d4c3a1cad8d549eba6f"},"schema_version":"1.0","source":{"id":"2508.05529","kind":"arxiv","version":1}},"canonical_sha256":"56f558f6311f233eadbfaad6110abd3fea02becf59f51b81f3227e9d9ebcdc14","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"56f558f6311f233eadbfaad6110abd3fea02becf59f51b81f3227e9d9ebcdc14","first_computed_at":"2026-07-05T11:50:14.915488Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:50:14.915488Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NOIgH6J0zLX1Q7Hmf2OywweGtmUt90rzLSm/V8aktXQXo6ge/2Hul02svF4CvtQS12Vjc8QThpdVHhcFJxbRBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:50:14.915977Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.05529","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7200a0576d02c91fd82989b9a31ed2166daac1afc9f01f2e89fe75fa1b032420","sha256:e83ea4cf3c8dd06b6f503b7fb6ba917b86a70873379f02e71ae4f69e7b904266"],"state_sha256":"14e8bdb73b66c3c2b4610252336ab7cbc39398e843be2ef1cbf4fe1e715058a6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hhugDCxVryNOpyBfVuwyTDHxkpOZwyzS6e1nWIlfxhL0YIbDqiUUurh7khJCpoLnoekP59ThSFgJjK9hPmmHCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T03:11:36.719587Z","bundle_sha256":"c9de11d770251510da88b1d30080af94fed66dd654f26bf51014988a1d02fdb2"}}