{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:VUR5YPPX5HHLW5LRVNEXM26SL6","short_pith_number":"pith:VUR5YPPX","canonical_record":{"source":{"id":"2512.19259","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-12-22T10:51:08Z","cross_cats_sorted":[],"title_canon_sha256":"83424746644fd9771ec82f7f6267a39ffa9c93d6cc6a90813dd138e6078c5ad9","abstract_canon_sha256":"50312b45a0eb3af483959907a5b7eb7aab363ea245c70bc93a69548602aa3a94"},"schema_version":"1.0"},"canonical_sha256":"ad23dc3df7e9cebb7571ab49766bd25f8bad7bc1a188f387622c1d347e1e2615","source":{"kind":"arxiv","id":"2512.19259","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.19259","created_at":"2026-06-12T01:09:19Z"},{"alias_kind":"arxiv_version","alias_value":"2512.19259v3","created_at":"2026-06-12T01:09:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.19259","created_at":"2026-06-12T01:09:19Z"},{"alias_kind":"pith_short_12","alias_value":"VUR5YPPX5HHL","created_at":"2026-06-12T01:09:19Z"},{"alias_kind":"pith_short_16","alias_value":"VUR5YPPX5HHLW5LR","created_at":"2026-06-12T01:09:19Z"},{"alias_kind":"pith_short_8","alias_value":"VUR5YPPX","created_at":"2026-06-12T01:09:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:VUR5YPPX5HHLW5LRVNEXM26SL6","target":"record","payload":{"canonical_record":{"source":{"id":"2512.19259","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-12-22T10:51:08Z","cross_cats_sorted":[],"title_canon_sha256":"83424746644fd9771ec82f7f6267a39ffa9c93d6cc6a90813dd138e6078c5ad9","abstract_canon_sha256":"50312b45a0eb3af483959907a5b7eb7aab363ea245c70bc93a69548602aa3a94"},"schema_version":"1.0"},"canonical_sha256":"ad23dc3df7e9cebb7571ab49766bd25f8bad7bc1a188f387622c1d347e1e2615","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-12T01:09:19.155356Z","signature_b64":"cWizXFg630YbXyt003odhfcNB/HDhWM0yEmRBWToNC6hxzSMyKLovG1J5dxEaX9pGZmkXXh2WpvlaAmlqgvQBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad23dc3df7e9cebb7571ab49766bd25f8bad7bc1a188f387622c1d347e1e2615","last_reissued_at":"2026-06-12T01:09:19.154165Z","signature_status":"signed_v1","first_computed_at":"2026-06-12T01:09:19.154165Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2512.19259","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-12T01:09:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ggQbmw1bqpzLPslSGsmOPofTDiVsB4DKzc8J+S4jBxXkn57JqsQB/m4yYC7WGO05gIm0tPkGhobF0ykQzk9QBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:41:00.227846Z"},"content_sha256":"1aba344022eda045d173a6315d6ce872c48d6f5ae107da994ae601d7305ac616","schema_version":"1.0","event_id":"sha256:1aba344022eda045d173a6315d6ce872c48d6f5ae107da994ae601d7305ac616"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:VUR5YPPX5HHLW5LRVNEXM26SL6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Projected sensitivity of CTAO to axion-like particles from blazars with a machine learning approach","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"2), 2) ((1) Bari Univ., (2) INFN Bari), Francesco Giordano (1, Francesco Schiavone (1, Leonardo Di Venere (2)","submitted_at":"2025-12-22T10:51:08Z","abstract_excerpt":"Blazars are a class of active galactic nuclei, supermassive black holes located at the centres of distant galaxies characterised by strong emission across the entire electromagnetic spectrum, from radio waves to gamma rays. Their relativistic jets, closely aligned to the line of sight from Earth, are a rich and complex environment, characterised by the presence of strong magnetic fields over parsec-scale lengths. Owing to their cosmological distance from Earth, these sources serve as ideal targets to probe non-standard gamma-ray propagation. In particular, axion-like particles (ALPs) could be "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.19259","kind":"arxiv","version":3},"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/2512.19259/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":"2026-06-12T01:09:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"phZTnCbOPmQ9hFCJPqbuhnNdvdwEtYit0aOKCyI+zH1ew9M4xJZRGZsgqggGHjOrr6ZmxMbEqdwuCWV3E1jACQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:41:00.228274Z"},"content_sha256":"ba8deef26bc4d09581a3447dfa1f910c14818272dcfc05eee27c9f039a89b700","schema_version":"1.0","event_id":"sha256:ba8deef26bc4d09581a3447dfa1f910c14818272dcfc05eee27c9f039a89b700"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VUR5YPPX5HHLW5LRVNEXM26SL6/bundle.json","state_url":"https://pith.science/pith/VUR5YPPX5HHLW5LRVNEXM26SL6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VUR5YPPX5HHLW5LRVNEXM26SL6/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":"2026-08-03T16:41:00Z","links":{"resolver":"https://pith.science/pith/VUR5YPPX5HHLW5LRVNEXM26SL6","bundle":"https://pith.science/pith/VUR5YPPX5HHLW5LRVNEXM26SL6/bundle.json","state":"https://pith.science/pith/VUR5YPPX5HHLW5LRVNEXM26SL6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VUR5YPPX5HHLW5LRVNEXM26SL6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:VUR5YPPX5HHLW5LRVNEXM26SL6","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":"50312b45a0eb3af483959907a5b7eb7aab363ea245c70bc93a69548602aa3a94","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-12-22T10:51:08Z","title_canon_sha256":"83424746644fd9771ec82f7f6267a39ffa9c93d6cc6a90813dd138e6078c5ad9"},"schema_version":"1.0","source":{"id":"2512.19259","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.19259","created_at":"2026-06-12T01:09:19Z"},{"alias_kind":"arxiv_version","alias_value":"2512.19259v3","created_at":"2026-06-12T01:09:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.19259","created_at":"2026-06-12T01:09:19Z"},{"alias_kind":"pith_short_12","alias_value":"VUR5YPPX5HHL","created_at":"2026-06-12T01:09:19Z"},{"alias_kind":"pith_short_16","alias_value":"VUR5YPPX5HHLW5LR","created_at":"2026-06-12T01:09:19Z"},{"alias_kind":"pith_short_8","alias_value":"VUR5YPPX","created_at":"2026-06-12T01:09:19Z"}],"graph_snapshots":[{"event_id":"sha256:ba8deef26bc4d09581a3447dfa1f910c14818272dcfc05eee27c9f039a89b700","target":"graph","created_at":"2026-06-12T01:09:19Z","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/2512.19259/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Blazars are a class of active galactic nuclei, supermassive black holes located at the centres of distant galaxies characterised by strong emission across the entire electromagnetic spectrum, from radio waves to gamma rays. Their relativistic jets, closely aligned to the line of sight from Earth, are a rich and complex environment, characterised by the presence of strong magnetic fields over parsec-scale lengths. Owing to their cosmological distance from Earth, these sources serve as ideal targets to probe non-standard gamma-ray propagation. In particular, axion-like particles (ALPs) could be ","authors_text":"2), 2) ((1) Bari Univ., (2) INFN Bari), Francesco Giordano (1, Francesco Schiavone (1, Leonardo Di Venere (2)","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-12-22T10:51:08Z","title":"Projected sensitivity of CTAO to axion-like particles from blazars with a machine learning approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.19259","kind":"arxiv","version":3},"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":"sha256:1aba344022eda045d173a6315d6ce872c48d6f5ae107da994ae601d7305ac616","target":"record","created_at":"2026-06-12T01:09:19Z","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":"50312b45a0eb3af483959907a5b7eb7aab363ea245c70bc93a69548602aa3a94","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-12-22T10:51:08Z","title_canon_sha256":"83424746644fd9771ec82f7f6267a39ffa9c93d6cc6a90813dd138e6078c5ad9"},"schema_version":"1.0","source":{"id":"2512.19259","kind":"arxiv","version":3}},"canonical_sha256":"ad23dc3df7e9cebb7571ab49766bd25f8bad7bc1a188f387622c1d347e1e2615","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad23dc3df7e9cebb7571ab49766bd25f8bad7bc1a188f387622c1d347e1e2615","first_computed_at":"2026-06-12T01:09:19.154165Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-12T01:09:19.154165Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cWizXFg630YbXyt003odhfcNB/HDhWM0yEmRBWToNC6hxzSMyKLovG1J5dxEaX9pGZmkXXh2WpvlaAmlqgvQBg==","signature_status":"signed_v1","signed_at":"2026-06-12T01:09:19.155356Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.19259","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1aba344022eda045d173a6315d6ce872c48d6f5ae107da994ae601d7305ac616","sha256:ba8deef26bc4d09581a3447dfa1f910c14818272dcfc05eee27c9f039a89b700"],"state_sha256":"68bc13c7ae4aaa6e121064a4ce0acfe3e07c5ba285c687a085ac445476ce4d43"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZcUGQ3LpR4xDbRJPu6DI70kDku9n7m/6O3RMSr9Ee9hVunzqrYsvKViDKGUNNCk3H/rXe9irbos3WfX0Ln/ZDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:41:00.230691Z","bundle_sha256":"29e0352666c52e9b9447f8fea47298da4ab9bd74b7e97ca5107f1bbc27cabc5c"}}