{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:CIMLDMI3RA6H4JX7GXQ7OHFW6K","short_pith_number":"pith:CIMLDMI3","canonical_record":{"source":{"id":"2504.18490","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-25T17:00:50Z","cross_cats_sorted":[],"title_canon_sha256":"0599d3ad2b1e6fee87d5401d599ae27ef0441438cbf787a9989d1e06e40c157b","abstract_canon_sha256":"824eace6a32d5e126dec4c02ec4fbdb0c7428f8ce0b3991491268ebc7f2a6eae"},"schema_version":"1.0"},"canonical_sha256":"1218b1b11b883c7e26ff35e1f71cb6f296afa12067878acf7067563692128736","source":{"kind":"arxiv","id":"2504.18490","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.18490","created_at":"2026-07-05T10:54:08Z"},{"alias_kind":"arxiv_version","alias_value":"2504.18490v1","created_at":"2026-07-05T10:54:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.18490","created_at":"2026-07-05T10:54:08Z"},{"alias_kind":"pith_short_12","alias_value":"CIMLDMI3RA6H","created_at":"2026-07-05T10:54:08Z"},{"alias_kind":"pith_short_16","alias_value":"CIMLDMI3RA6H4JX7","created_at":"2026-07-05T10:54:08Z"},{"alias_kind":"pith_short_8","alias_value":"CIMLDMI3","created_at":"2026-07-05T10:54:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:CIMLDMI3RA6H4JX7GXQ7OHFW6K","target":"record","payload":{"canonical_record":{"source":{"id":"2504.18490","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-25T17:00:50Z","cross_cats_sorted":[],"title_canon_sha256":"0599d3ad2b1e6fee87d5401d599ae27ef0441438cbf787a9989d1e06e40c157b","abstract_canon_sha256":"824eace6a32d5e126dec4c02ec4fbdb0c7428f8ce0b3991491268ebc7f2a6eae"},"schema_version":"1.0"},"canonical_sha256":"1218b1b11b883c7e26ff35e1f71cb6f296afa12067878acf7067563692128736","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:54:08.470667Z","signature_b64":"FqaAFJvBUH4BP25zKRFn8q6elpOhjrIbY7spj8pcyOBmEyGCLPnX/xBg1SJt7aJ5QMMOk5/PCg6feTHHtjQpDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1218b1b11b883c7e26ff35e1f71cb6f296afa12067878acf7067563692128736","last_reissued_at":"2026-07-05T10:54:08.470197Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:54:08.470197Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.18490","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":"2026-07-05T10:54:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qfuZJnwrVXEl9+r41AsPPDqNWe+rszubvCgtU0g9DVfj5mGulE5hQlJ/UIjjixe8utgeL0dOzRVRliSb4fD2DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T16:34:02.304168Z"},"content_sha256":"13e60ba72a504d1052dd8b2307f3f87a8edae799a0fe9ed4745db8b5b9017b69","schema_version":"1.0","event_id":"sha256:13e60ba72a504d1052dd8b2307f3f87a8edae799a0fe9ed4745db8b5b9017b69"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:CIMLDMI3RA6H4JX7GXQ7OHFW6K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Improved ResNet50 Model for Predicting Pavement Condition Index (PCI) Directly from Pavement Images","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Andrews Danyo, Anthony Dontoh, Armstrong Aboah","submitted_at":"2025-04-25T17:00:50Z","abstract_excerpt":"Accurately predicting the Pavement Condition Index (PCI), a measure of roadway conditions, from pavement images is crucial for infrastructure maintenance. This study proposes an enhanced version of the Residual Network (ResNet50) architecture, integrated with a Convolutional Block Attention Module (CBAM), to predict PCI directly from pavement images without additional annotations. By incorporating CBAM, the model autonomously prioritizes critical features within the images, improving prediction accuracy. Compared to the original baseline ResNet50 and DenseNet161 architectures, the enhanced Res"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.18490","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/2504.18490/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":"2026-07-05T10:54:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EWJjEFrgzu+NZxyPoNqcFOW7MiUljSKU1KP88laSpRl7JyfxJ24yQ6fm5urqp6vljP/uMUDt2uTxDeOzNR8xAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T16:34:02.305156Z"},"content_sha256":"40c2203006a9a33d31e078fcac2b32248e114daf416bace6c09cea26285dcd32","schema_version":"1.0","event_id":"sha256:40c2203006a9a33d31e078fcac2b32248e114daf416bace6c09cea26285dcd32"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CIMLDMI3RA6H4JX7GXQ7OHFW6K/bundle.json","state_url":"https://pith.science/pith/CIMLDMI3RA6H4JX7GXQ7OHFW6K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CIMLDMI3RA6H4JX7GXQ7OHFW6K/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":"2026-08-18T16:34:02Z","links":{"resolver":"https://pith.science/pith/CIMLDMI3RA6H4JX7GXQ7OHFW6K","bundle":"https://pith.science/pith/CIMLDMI3RA6H4JX7GXQ7OHFW6K/bundle.json","state":"https://pith.science/pith/CIMLDMI3RA6H4JX7GXQ7OHFW6K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CIMLDMI3RA6H4JX7GXQ7OHFW6K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:CIMLDMI3RA6H4JX7GXQ7OHFW6K","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":"824eace6a32d5e126dec4c02ec4fbdb0c7428f8ce0b3991491268ebc7f2a6eae","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-25T17:00:50Z","title_canon_sha256":"0599d3ad2b1e6fee87d5401d599ae27ef0441438cbf787a9989d1e06e40c157b"},"schema_version":"1.0","source":{"id":"2504.18490","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.18490","created_at":"2026-07-05T10:54:08Z"},{"alias_kind":"arxiv_version","alias_value":"2504.18490v1","created_at":"2026-07-05T10:54:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.18490","created_at":"2026-07-05T10:54:08Z"},{"alias_kind":"pith_short_12","alias_value":"CIMLDMI3RA6H","created_at":"2026-07-05T10:54:08Z"},{"alias_kind":"pith_short_16","alias_value":"CIMLDMI3RA6H4JX7","created_at":"2026-07-05T10:54:08Z"},{"alias_kind":"pith_short_8","alias_value":"CIMLDMI3","created_at":"2026-07-05T10:54:08Z"}],"graph_snapshots":[{"event_id":"sha256:40c2203006a9a33d31e078fcac2b32248e114daf416bace6c09cea26285dcd32","target":"graph","created_at":"2026-07-05T10:54:08Z","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/2504.18490/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Accurately predicting the Pavement Condition Index (PCI), a measure of roadway conditions, from pavement images is crucial for infrastructure maintenance. This study proposes an enhanced version of the Residual Network (ResNet50) architecture, integrated with a Convolutional Block Attention Module (CBAM), to predict PCI directly from pavement images without additional annotations. By incorporating CBAM, the model autonomously prioritizes critical features within the images, improving prediction accuracy. Compared to the original baseline ResNet50 and DenseNet161 architectures, the enhanced Res","authors_text":"Andrews Danyo, Anthony Dontoh, Armstrong Aboah","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-25T17:00:50Z","title":"An Improved ResNet50 Model for Predicting Pavement Condition Index (PCI) Directly from Pavement Images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.18490","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":"sha256:13e60ba72a504d1052dd8b2307f3f87a8edae799a0fe9ed4745db8b5b9017b69","target":"record","created_at":"2026-07-05T10:54:08Z","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":"824eace6a32d5e126dec4c02ec4fbdb0c7428f8ce0b3991491268ebc7f2a6eae","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-25T17:00:50Z","title_canon_sha256":"0599d3ad2b1e6fee87d5401d599ae27ef0441438cbf787a9989d1e06e40c157b"},"schema_version":"1.0","source":{"id":"2504.18490","kind":"arxiv","version":1}},"canonical_sha256":"1218b1b11b883c7e26ff35e1f71cb6f296afa12067878acf7067563692128736","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1218b1b11b883c7e26ff35e1f71cb6f296afa12067878acf7067563692128736","first_computed_at":"2026-07-05T10:54:08.470197Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:54:08.470197Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FqaAFJvBUH4BP25zKRFn8q6elpOhjrIbY7spj8pcyOBmEyGCLPnX/xBg1SJt7aJ5QMMOk5/PCg6feTHHtjQpDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:54:08.470667Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.18490","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:13e60ba72a504d1052dd8b2307f3f87a8edae799a0fe9ed4745db8b5b9017b69","sha256:40c2203006a9a33d31e078fcac2b32248e114daf416bace6c09cea26285dcd32"],"state_sha256":"f6146d7bc9a4ab90a5b281ddd4c9a877e5e1b1c04d35f2dddbb8dc24c4dc8a90"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MFCrFXZsKYx4v0yxb9ilHVdukC9zD8HYfPS1ICpaL7KvLfXwhu1omnk89XVP47Q8JrT/ZfKZXNgZJr/yWDNlBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T16:34:02.310874Z","bundle_sha256":"1449811d5fe913e677f79f16c3f0c4a1494bb865a1f55f5cb9e4c63b05a4ffe5"}}