{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:GXEDOLB5SZVJ3AJWCWPXNQPLS3","short_pith_number":"pith:GXEDOLB5","canonical_record":{"source":{"id":"2004.01808","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-04-03T23:14:35Z","cross_cats_sorted":[],"title_canon_sha256":"8d60dcfd2d62aad041d4806bed75ca9566da49e1f03fd6ea746939a8dde5beac","abstract_canon_sha256":"fbd6c8ef03995974ee82f472896b1a32d5f7ce1e3e3c376719272d456be00c46"},"schema_version":"1.0"},"canonical_sha256":"35c8372c3d966a9d8136159f76c1eb96fef69b19c7b0b3f825438130772bc68a","source":{"kind":"arxiv","id":"2004.01808","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.01808","created_at":"2026-07-05T00:52:38Z"},{"alias_kind":"arxiv_version","alias_value":"2004.01808v1","created_at":"2026-07-05T00:52:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.01808","created_at":"2026-07-05T00:52:38Z"},{"alias_kind":"pith_short_12","alias_value":"GXEDOLB5SZVJ","created_at":"2026-07-05T00:52:38Z"},{"alias_kind":"pith_short_16","alias_value":"GXEDOLB5SZVJ3AJW","created_at":"2026-07-05T00:52:38Z"},{"alias_kind":"pith_short_8","alias_value":"GXEDOLB5","created_at":"2026-07-05T00:52:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:GXEDOLB5SZVJ3AJWCWPXNQPLS3","target":"record","payload":{"canonical_record":{"source":{"id":"2004.01808","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-04-03T23:14:35Z","cross_cats_sorted":[],"title_canon_sha256":"8d60dcfd2d62aad041d4806bed75ca9566da49e1f03fd6ea746939a8dde5beac","abstract_canon_sha256":"fbd6c8ef03995974ee82f472896b1a32d5f7ce1e3e3c376719272d456be00c46"},"schema_version":"1.0"},"canonical_sha256":"35c8372c3d966a9d8136159f76c1eb96fef69b19c7b0b3f825438130772bc68a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:52:38.477591Z","signature_b64":"cax7a25ya1VfqHcwB9GhoQ71U+7tNHsF8p2ghwhsvF7DJdVHTOZwtoge7nVBcOnz+Ixaz4/3nSIttIrPnqM5CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"35c8372c3d966a9d8136159f76c1eb96fef69b19c7b0b3f825438130772bc68a","last_reissued_at":"2026-07-05T00:52:38.477188Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:52:38.477188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.01808","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":"2026-07-05T00:52:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/TBXw002m6jRecFkKkSKBJEIrynweItF6C7ncHTmcbZ3iz2unvM8J/aA0Vbv3VOnYJNAStQu8RYrmlK0PRMHCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T10:34:24.244362Z"},"content_sha256":"ecbf7a06dba243941758b5ecc1b646fe51df75aa0e6072446850b39d779427a6","schema_version":"1.0","event_id":"sha256:ecbf7a06dba243941758b5ecc1b646fe51df75aa0e6072446850b39d779427a6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:GXEDOLB5SZVJ3AJWCWPXNQPLS3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TimeGate: Conditional Gating of Segments in Long-range Activities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Babak Ehteshami Bejnordi, Mihir Jain, Noureldien Hussein","submitted_at":"2020-04-03T23:14:35Z","abstract_excerpt":"When recognizing a long-range activity, exploring the entire video is exhaustive and computationally expensive, as it can span up to a few minutes. Thus, it is of great importance to sample only the salient parts of the video. We propose TimeGate, along with a novel conditional gating module, for sampling the most representative segments from the long-range activity. TimeGate has two novelties that address the shortcomings of previous sampling methods, as SCSampler. First, it enables a differentiable sampling of segments. Thus, TimeGate can be fitted with modern CNNs and trained end-to-end as "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.01808","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/2004.01808/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":"2026-07-05T00:52:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lYooDSHCxO5g8gkisKqdCiRV97GJPydL/wqjmYRJJTAkMx+eE9LN7JEU5BcguFtD728Ci88DbbVr8dohqh0sAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T10:34:24.245494Z"},"content_sha256":"12801ad92860aea9b4e7bb0c6ba0075293f9acc7985dc75e7b1eeb2c38331192","schema_version":"1.0","event_id":"sha256:12801ad92860aea9b4e7bb0c6ba0075293f9acc7985dc75e7b1eeb2c38331192"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GXEDOLB5SZVJ3AJWCWPXNQPLS3/bundle.json","state_url":"https://pith.science/pith/GXEDOLB5SZVJ3AJWCWPXNQPLS3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GXEDOLB5SZVJ3AJWCWPXNQPLS3/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":"2026-08-06T10:34:24Z","links":{"resolver":"https://pith.science/pith/GXEDOLB5SZVJ3AJWCWPXNQPLS3","bundle":"https://pith.science/pith/GXEDOLB5SZVJ3AJWCWPXNQPLS3/bundle.json","state":"https://pith.science/pith/GXEDOLB5SZVJ3AJWCWPXNQPLS3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GXEDOLB5SZVJ3AJWCWPXNQPLS3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:GXEDOLB5SZVJ3AJWCWPXNQPLS3","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":"fbd6c8ef03995974ee82f472896b1a32d5f7ce1e3e3c376719272d456be00c46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-04-03T23:14:35Z","title_canon_sha256":"8d60dcfd2d62aad041d4806bed75ca9566da49e1f03fd6ea746939a8dde5beac"},"schema_version":"1.0","source":{"id":"2004.01808","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.01808","created_at":"2026-07-05T00:52:38Z"},{"alias_kind":"arxiv_version","alias_value":"2004.01808v1","created_at":"2026-07-05T00:52:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.01808","created_at":"2026-07-05T00:52:38Z"},{"alias_kind":"pith_short_12","alias_value":"GXEDOLB5SZVJ","created_at":"2026-07-05T00:52:38Z"},{"alias_kind":"pith_short_16","alias_value":"GXEDOLB5SZVJ3AJW","created_at":"2026-07-05T00:52:38Z"},{"alias_kind":"pith_short_8","alias_value":"GXEDOLB5","created_at":"2026-07-05T00:52:38Z"}],"graph_snapshots":[{"event_id":"sha256:12801ad92860aea9b4e7bb0c6ba0075293f9acc7985dc75e7b1eeb2c38331192","target":"graph","created_at":"2026-07-05T00:52:38Z","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/2004.01808/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"When recognizing a long-range activity, exploring the entire video is exhaustive and computationally expensive, as it can span up to a few minutes. Thus, it is of great importance to sample only the salient parts of the video. We propose TimeGate, along with a novel conditional gating module, for sampling the most representative segments from the long-range activity. TimeGate has two novelties that address the shortcomings of previous sampling methods, as SCSampler. First, it enables a differentiable sampling of segments. Thus, TimeGate can be fitted with modern CNNs and trained end-to-end as ","authors_text":"Babak Ehteshami Bejnordi, Mihir Jain, Noureldien Hussein","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-04-03T23:14:35Z","title":"TimeGate: Conditional Gating of Segments in Long-range Activities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.01808","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:ecbf7a06dba243941758b5ecc1b646fe51df75aa0e6072446850b39d779427a6","target":"record","created_at":"2026-07-05T00:52:38Z","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":"fbd6c8ef03995974ee82f472896b1a32d5f7ce1e3e3c376719272d456be00c46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-04-03T23:14:35Z","title_canon_sha256":"8d60dcfd2d62aad041d4806bed75ca9566da49e1f03fd6ea746939a8dde5beac"},"schema_version":"1.0","source":{"id":"2004.01808","kind":"arxiv","version":1}},"canonical_sha256":"35c8372c3d966a9d8136159f76c1eb96fef69b19c7b0b3f825438130772bc68a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"35c8372c3d966a9d8136159f76c1eb96fef69b19c7b0b3f825438130772bc68a","first_computed_at":"2026-07-05T00:52:38.477188Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:52:38.477188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cax7a25ya1VfqHcwB9GhoQ71U+7tNHsF8p2ghwhsvF7DJdVHTOZwtoge7nVBcOnz+Ixaz4/3nSIttIrPnqM5CA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:52:38.477591Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.01808","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ecbf7a06dba243941758b5ecc1b646fe51df75aa0e6072446850b39d779427a6","sha256:12801ad92860aea9b4e7bb0c6ba0075293f9acc7985dc75e7b1eeb2c38331192"],"state_sha256":"a9e1d503a56d054c0d648fc523725ed843a90d28089cca520c55c6b9e593680f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oo5xptVtD61sEz7dZuVVBW9r4371nX6VI2q4c4Ct20lCxrXyJT4XClGy6EahPR7/caJGG9iAjpZDr/HHj1KQAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T10:34:24.251185Z","bundle_sha256":"f7b3deabf40114a550a92fb5355a75e3f4576d12d425a948a1df36ab2725a5f7"}}