{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:JGLLF3DLOEWJTFAPYEP7TMHNKL","short_pith_number":"pith:JGLLF3DL","canonical_record":{"source":{"id":"1503.03913","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-03-12T23:20:30Z","cross_cats_sorted":[],"title_canon_sha256":"51131418d869addaa44984e32d4263818866c7bf403fb214a655469d66230c85","abstract_canon_sha256":"eeda3eb01f0f49066764c669397257e0aebf9d2cbdf420be4fe217d4df8422a2"},"schema_version":"1.0"},"canonical_sha256":"4996b2ec6b712c99940fc11ff9b0ed52c6896cd73e694f6bb9a9619cc006f5e9","source":{"kind":"arxiv","id":"1503.03913","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.03913","created_at":"2026-05-18T02:23:57Z"},{"alias_kind":"arxiv_version","alias_value":"1503.03913v1","created_at":"2026-05-18T02:23:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.03913","created_at":"2026-05-18T02:23:57Z"},{"alias_kind":"pith_short_12","alias_value":"JGLLF3DLOEWJ","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JGLLF3DLOEWJTFAP","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JGLLF3DL","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:JGLLF3DLOEWJTFAPYEP7TMHNKL","target":"record","payload":{"canonical_record":{"source":{"id":"1503.03913","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-03-12T23:20:30Z","cross_cats_sorted":[],"title_canon_sha256":"51131418d869addaa44984e32d4263818866c7bf403fb214a655469d66230c85","abstract_canon_sha256":"eeda3eb01f0f49066764c669397257e0aebf9d2cbdf420be4fe217d4df8422a2"},"schema_version":"1.0"},"canonical_sha256":"4996b2ec6b712c99940fc11ff9b0ed52c6896cd73e694f6bb9a9619cc006f5e9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:23:57.798784Z","signature_b64":"9L+QFTwhzLQNEU8dGGoLLGRczDKAmVmjGn2G1cPi//uUJCM7mNyh08ILhTGufKwdFw3HLYjpyt7IFk9IUEEqBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4996b2ec6b712c99940fc11ff9b0ed52c6896cd73e694f6bb9a9619cc006f5e9","last_reissued_at":"2026-05-18T02:23:57.798071Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:23:57.798071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.03913","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":"2026-05-18T02:23:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"15X+8KJrH4cuEk0+V4hLfZCgS67huSWC+llzpYUF5XJKXE5OZ+vhSSTPcP1x+Zk4jsqGfP5XKOkyNvYl+u+rAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:15:32.806771Z"},"content_sha256":"cb8bb630fe22192d3cf4dcdf67433e643fa7a7affc002bf0dae9bd410b25bd6e","schema_version":"1.0","event_id":"sha256:cb8bb630fe22192d3cf4dcdf67433e643fa7a7affc002bf0dae9bd410b25bd6e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:JGLLF3DLOEWJTFAPYEP7TMHNKL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diagnosing Heterogeneous Dynamics for CT Scan Images of Human Brain in Wavelet and MFDFA domain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Asish Mitra, Nandan K Das, Nirmalya Ghosh, Prasanta K Panigrahi, Sabyasachi Mukhopadhyay, Soham Mandal, Subhadip Dey","submitted_at":"2015-03-12T23:20:30Z","abstract_excerpt":"CT scan images of human brain of a particular patient in different cross sections are taken, on which wavelet transform and multi-fractal analysis are applied. The vertical and horizontal unfolding of images are done before analyzing these images. A systematic investigation of de-noised CT scan images of human brain in different cross-sections are carried out through wavelet normalized energy and wavelet semi-log plots, which clearly points out the mismatch between results of vertical and horizontal unfolding. The mismatch of results confirms the heterogeneity in spatial domain. Using the mult"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.03913","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":""},"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":"2026-05-18T02:23:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DnTmwEkHbevc0piBW7znobU426USryWbJRHHG0vmQjfVWzR8CgR+dYfroOUJTQTPK0cPKVCTgy3e7rurp7lXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:15:32.807461Z"},"content_sha256":"42db0c8606cacd9efc571761e2e210cf43c8df98ff8cb755fbef8b49d2eb1860","schema_version":"1.0","event_id":"sha256:42db0c8606cacd9efc571761e2e210cf43c8df98ff8cb755fbef8b49d2eb1860"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGLLF3DLOEWJTFAPYEP7TMHNKL/bundle.json","state_url":"https://pith.science/pith/JGLLF3DLOEWJTFAPYEP7TMHNKL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGLLF3DLOEWJTFAPYEP7TMHNKL/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":"2026-05-26T21:15:32Z","links":{"resolver":"https://pith.science/pith/JGLLF3DLOEWJTFAPYEP7TMHNKL","bundle":"https://pith.science/pith/JGLLF3DLOEWJTFAPYEP7TMHNKL/bundle.json","state":"https://pith.science/pith/JGLLF3DLOEWJTFAPYEP7TMHNKL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGLLF3DLOEWJTFAPYEP7TMHNKL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:JGLLF3DLOEWJTFAPYEP7TMHNKL","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":"eeda3eb01f0f49066764c669397257e0aebf9d2cbdf420be4fe217d4df8422a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-03-12T23:20:30Z","title_canon_sha256":"51131418d869addaa44984e32d4263818866c7bf403fb214a655469d66230c85"},"schema_version":"1.0","source":{"id":"1503.03913","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.03913","created_at":"2026-05-18T02:23:57Z"},{"alias_kind":"arxiv_version","alias_value":"1503.03913v1","created_at":"2026-05-18T02:23:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.03913","created_at":"2026-05-18T02:23:57Z"},{"alias_kind":"pith_short_12","alias_value":"JGLLF3DLOEWJ","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JGLLF3DLOEWJTFAP","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JGLLF3DL","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:42db0c8606cacd9efc571761e2e210cf43c8df98ff8cb755fbef8b49d2eb1860","target":"graph","created_at":"2026-05-18T02:23:57Z","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"},"paper":{"abstract_excerpt":"CT scan images of human brain of a particular patient in different cross sections are taken, on which wavelet transform and multi-fractal analysis are applied. The vertical and horizontal unfolding of images are done before analyzing these images. A systematic investigation of de-noised CT scan images of human brain in different cross-sections are carried out through wavelet normalized energy and wavelet semi-log plots, which clearly points out the mismatch between results of vertical and horizontal unfolding. The mismatch of results confirms the heterogeneity in spatial domain. Using the mult","authors_text":"Asish Mitra, Nandan K Das, Nirmalya Ghosh, Prasanta K Panigrahi, Sabyasachi Mukhopadhyay, Soham Mandal, Subhadip Dey","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-03-12T23:20:30Z","title":"Diagnosing Heterogeneous Dynamics for CT Scan Images of Human Brain in Wavelet and MFDFA domain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.03913","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:cb8bb630fe22192d3cf4dcdf67433e643fa7a7affc002bf0dae9bd410b25bd6e","target":"record","created_at":"2026-05-18T02:23:57Z","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":"eeda3eb01f0f49066764c669397257e0aebf9d2cbdf420be4fe217d4df8422a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-03-12T23:20:30Z","title_canon_sha256":"51131418d869addaa44984e32d4263818866c7bf403fb214a655469d66230c85"},"schema_version":"1.0","source":{"id":"1503.03913","kind":"arxiv","version":1}},"canonical_sha256":"4996b2ec6b712c99940fc11ff9b0ed52c6896cd73e694f6bb9a9619cc006f5e9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4996b2ec6b712c99940fc11ff9b0ed52c6896cd73e694f6bb9a9619cc006f5e9","first_computed_at":"2026-05-18T02:23:57.798071Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:23:57.798071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9L+QFTwhzLQNEU8dGGoLLGRczDKAmVmjGn2G1cPi//uUJCM7mNyh08ILhTGufKwdFw3HLYjpyt7IFk9IUEEqBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:23:57.798784Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.03913","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb8bb630fe22192d3cf4dcdf67433e643fa7a7affc002bf0dae9bd410b25bd6e","sha256:42db0c8606cacd9efc571761e2e210cf43c8df98ff8cb755fbef8b49d2eb1860"],"state_sha256":"b8a7b8f80a852df9d1465724a279b812a813b35f4369c191f86bcf072e20b04b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"adsSYy5VAl+v6leR8vclIDq/FWZ1N6kQq2g/QmErMgHhq6zRj/yne28CjSZODi2F3EN2pYwiTjheJmh86brQCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:15:32.810792Z","bundle_sha256":"7037c193c5633c5c7d02718cf4702fd78534889562cbed8d15a72afe240cc8cb"}}