{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:7FKGBO32IEAETC3QO5BTUPQC6L","short_pith_number":"pith:7FKGBO32","canonical_record":{"source":{"id":"2102.06038","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2021-02-11T14:30:22Z","cross_cats_sorted":["cs.CL","eess.AS"],"title_canon_sha256":"5e8a6ec4bbc74f5addcd580f11d7fd11c9cfd864d15d7c1b66e5bf54afc2fd55","abstract_canon_sha256":"3fac8e0f6ac649a413e5c4b98a8d48dbff0d560517e4547b0ae495bef3d73dbb"},"schema_version":"1.0"},"canonical_sha256":"f95460bb7a4100498b7077433a3e02f2c05d4412f8b2b8f60584ec2866053470","source":{"kind":"arxiv","id":"2102.06038","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.06038","created_at":"2026-07-05T02:14:37Z"},{"alias_kind":"arxiv_version","alias_value":"2102.06038v1","created_at":"2026-07-05T02:14:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.06038","created_at":"2026-07-05T02:14:37Z"},{"alias_kind":"pith_short_12","alias_value":"7FKGBO32IEAE","created_at":"2026-07-05T02:14:37Z"},{"alias_kind":"pith_short_16","alias_value":"7FKGBO32IEAETC3Q","created_at":"2026-07-05T02:14:37Z"},{"alias_kind":"pith_short_8","alias_value":"7FKGBO32","created_at":"2026-07-05T02:14:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:7FKGBO32IEAETC3QO5BTUPQC6L","target":"record","payload":{"canonical_record":{"source":{"id":"2102.06038","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2021-02-11T14:30:22Z","cross_cats_sorted":["cs.CL","eess.AS"],"title_canon_sha256":"5e8a6ec4bbc74f5addcd580f11d7fd11c9cfd864d15d7c1b66e5bf54afc2fd55","abstract_canon_sha256":"3fac8e0f6ac649a413e5c4b98a8d48dbff0d560517e4547b0ae495bef3d73dbb"},"schema_version":"1.0"},"canonical_sha256":"f95460bb7a4100498b7077433a3e02f2c05d4412f8b2b8f60584ec2866053470","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:14:37.246350Z","signature_b64":"seSbw+XYJOQk5TCEn6eDevcnck41keTUXar6s25Cmm0knA29vNxcgtWln3L1wZaBnqApM64meoiO2Sg3tE6YDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f95460bb7a4100498b7077433a3e02f2c05d4412f8b2b8f60584ec2866053470","last_reissued_at":"2026-07-05T02:14:37.245901Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:14:37.245901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.06038","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":"2026-07-05T02:14:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TlcyWD/0sLUR0OuoNqry65fMvULCf+8mAxlFnMV9wQHO7m9b9TPJH9xe52CFAjE6sWiV7vrkQy1JJgRt50z6BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T15:35:51.023347Z"},"content_sha256":"226b28a666300a846a828e3de6822672e3bd863c1f0abadedce076d50d115e15","schema_version":"1.0","event_id":"sha256:226b28a666300a846a828e3de6822672e3bd863c1f0abadedce076d50d115e15"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:7FKGBO32IEAETC3QO5BTUPQC6L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Fractal Approach to Characterize Emotions in Audio and Visual Domain: A Study on Cross-Modal Interaction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CL","eess.AS"],"primary_cat":"cs.SD","authors_text":"Archi Banerjee, Dipak Ghosh, Ranjan Sengupta, Samir Karmakar, Sayan Nag, Shankha Sanyal, Souparno Roy, Uddalok Sarkar","submitted_at":"2021-02-11T14:30:22Z","abstract_excerpt":"It is already known that both auditory and visual stimulus is able to convey emotions in human mind to different extent. The strength or intensity of the emotional arousal vary depending on the type of stimulus chosen. In this study, we try to investigate the emotional arousal in a cross-modal scenario involving both auditory and visual stimulus while studying their source characteristics. A robust fractal analytic technique called Detrended Fluctuation Analysis (DFA) and its 2D analogue has been used to characterize three (3) standardized audio and video signals quantifying their scaling expo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.06038","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/2102.06038/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":"2026-07-05T02:14:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+2SJUtwTTkHLkKawU/E1xVCGvc6s/mofnMibo/eL4euUtgc9Y1LP4obHLXdu4m9NCpz23ML07TPWI9J6edCmAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T15:35:51.023723Z"},"content_sha256":"f79d4ff3ff5d935ac9b5ff0c6ece12cf3d8ba77c1dc60bd37cac5ea5cd9f4f08","schema_version":"1.0","event_id":"sha256:f79d4ff3ff5d935ac9b5ff0c6ece12cf3d8ba77c1dc60bd37cac5ea5cd9f4f08"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7FKGBO32IEAETC3QO5BTUPQC6L/bundle.json","state_url":"https://pith.science/pith/7FKGBO32IEAETC3QO5BTUPQC6L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7FKGBO32IEAETC3QO5BTUPQC6L/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":"2026-08-23T15:35:51Z","links":{"resolver":"https://pith.science/pith/7FKGBO32IEAETC3QO5BTUPQC6L","bundle":"https://pith.science/pith/7FKGBO32IEAETC3QO5BTUPQC6L/bundle.json","state":"https://pith.science/pith/7FKGBO32IEAETC3QO5BTUPQC6L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7FKGBO32IEAETC3QO5BTUPQC6L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:7FKGBO32IEAETC3QO5BTUPQC6L","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":"3fac8e0f6ac649a413e5c4b98a8d48dbff0d560517e4547b0ae495bef3d73dbb","cross_cats_sorted":["cs.CL","eess.AS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2021-02-11T14:30:22Z","title_canon_sha256":"5e8a6ec4bbc74f5addcd580f11d7fd11c9cfd864d15d7c1b66e5bf54afc2fd55"},"schema_version":"1.0","source":{"id":"2102.06038","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.06038","created_at":"2026-07-05T02:14:37Z"},{"alias_kind":"arxiv_version","alias_value":"2102.06038v1","created_at":"2026-07-05T02:14:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.06038","created_at":"2026-07-05T02:14:37Z"},{"alias_kind":"pith_short_12","alias_value":"7FKGBO32IEAE","created_at":"2026-07-05T02:14:37Z"},{"alias_kind":"pith_short_16","alias_value":"7FKGBO32IEAETC3Q","created_at":"2026-07-05T02:14:37Z"},{"alias_kind":"pith_short_8","alias_value":"7FKGBO32","created_at":"2026-07-05T02:14:37Z"}],"graph_snapshots":[{"event_id":"sha256:f79d4ff3ff5d935ac9b5ff0c6ece12cf3d8ba77c1dc60bd37cac5ea5cd9f4f08","target":"graph","created_at":"2026-07-05T02:14:37Z","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/2102.06038/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"It is already known that both auditory and visual stimulus is able to convey emotions in human mind to different extent. The strength or intensity of the emotional arousal vary depending on the type of stimulus chosen. In this study, we try to investigate the emotional arousal in a cross-modal scenario involving both auditory and visual stimulus while studying their source characteristics. A robust fractal analytic technique called Detrended Fluctuation Analysis (DFA) and its 2D analogue has been used to characterize three (3) standardized audio and video signals quantifying their scaling expo","authors_text":"Archi Banerjee, Dipak Ghosh, Ranjan Sengupta, Samir Karmakar, Sayan Nag, Shankha Sanyal, Souparno Roy, Uddalok Sarkar","cross_cats":["cs.CL","eess.AS"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2021-02-11T14:30:22Z","title":"A Fractal Approach to Characterize Emotions in Audio and Visual Domain: A Study on Cross-Modal Interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.06038","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":"sha256:226b28a666300a846a828e3de6822672e3bd863c1f0abadedce076d50d115e15","target":"record","created_at":"2026-07-05T02:14:37Z","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":"3fac8e0f6ac649a413e5c4b98a8d48dbff0d560517e4547b0ae495bef3d73dbb","cross_cats_sorted":["cs.CL","eess.AS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2021-02-11T14:30:22Z","title_canon_sha256":"5e8a6ec4bbc74f5addcd580f11d7fd11c9cfd864d15d7c1b66e5bf54afc2fd55"},"schema_version":"1.0","source":{"id":"2102.06038","kind":"arxiv","version":1}},"canonical_sha256":"f95460bb7a4100498b7077433a3e02f2c05d4412f8b2b8f60584ec2866053470","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f95460bb7a4100498b7077433a3e02f2c05d4412f8b2b8f60584ec2866053470","first_computed_at":"2026-07-05T02:14:37.245901Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:14:37.245901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"seSbw+XYJOQk5TCEn6eDevcnck41keTUXar6s25Cmm0knA29vNxcgtWln3L1wZaBnqApM64meoiO2Sg3tE6YDw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:14:37.246350Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.06038","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:226b28a666300a846a828e3de6822672e3bd863c1f0abadedce076d50d115e15","sha256:f79d4ff3ff5d935ac9b5ff0c6ece12cf3d8ba77c1dc60bd37cac5ea5cd9f4f08"],"state_sha256":"b09b5c0343a668263163c740186b7d78e8edaefca91926dafcc11a8d7153144c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8GT8H2Ij54XeTEIKu1lAEJFd4THXhQRxvyix+9LOsCP0NWu3U4/GgctHX7i4ebxSWfdkDhkH07u4ZeTW1cRABw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T15:35:51.026355Z","bundle_sha256":"5f0047a798b538f4b0b0ec52990a7cfc759de23e0a68104398ffe10ec8fff7cc"}}