{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:EL226EPIA7CYHIUASGSYZT4T7W","short_pith_number":"pith:EL226EPI","canonical_record":{"source":{"id":"2301.13689","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-31T15:05:28Z","cross_cats_sorted":[],"title_canon_sha256":"3b8e7ba6e2db964282618c01d32fb7e24a8345a57eeae55b0beed95be98e6122","abstract_canon_sha256":"881067242014a15e0a3dbcae49cb906cab97f7dd16aaf7a1319241606480b514"},"schema_version":"1.0"},"canonical_sha256":"22f5af11e807c583a28091a58ccf93fd98fe69cfb88d48601ab25269ac200663","source":{"kind":"arxiv","id":"2301.13689","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.13689","created_at":"2026-07-05T06:53:05Z"},{"alias_kind":"arxiv_version","alias_value":"2301.13689v2","created_at":"2026-07-05T06:53:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.13689","created_at":"2026-07-05T06:53:05Z"},{"alias_kind":"pith_short_12","alias_value":"EL226EPIA7CY","created_at":"2026-07-05T06:53:05Z"},{"alias_kind":"pith_short_16","alias_value":"EL226EPIA7CYHIUA","created_at":"2026-07-05T06:53:05Z"},{"alias_kind":"pith_short_8","alias_value":"EL226EPI","created_at":"2026-07-05T06:53:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:EL226EPIA7CYHIUASGSYZT4T7W","target":"record","payload":{"canonical_record":{"source":{"id":"2301.13689","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-31T15:05:28Z","cross_cats_sorted":[],"title_canon_sha256":"3b8e7ba6e2db964282618c01d32fb7e24a8345a57eeae55b0beed95be98e6122","abstract_canon_sha256":"881067242014a15e0a3dbcae49cb906cab97f7dd16aaf7a1319241606480b514"},"schema_version":"1.0"},"canonical_sha256":"22f5af11e807c583a28091a58ccf93fd98fe69cfb88d48601ab25269ac200663","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:53:05.271198Z","signature_b64":"QqcswW1rUiUFrvz/wR3YsUDw9+Ec4hYdGeHODKAZXTWxyCTiF2BQ1pt1YFS/J7Qhk07VcDVxxpP+m6H5NAOJDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22f5af11e807c583a28091a58ccf93fd98fe69cfb88d48601ab25269ac200663","last_reissued_at":"2026-07-05T06:53:05.270533Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:53:05.270533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.13689","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:53:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OW+Em5svDqyb6BZ4YWpoBTB8P4LG8EgK/FfDD3yil+K81XgFlXvqy7hb438F/3KK1NjVuZOGjMpR+l5unRugCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T18:42:28.140358Z"},"content_sha256":"6671b92ac55154d5dce9e6296e03d22971065fb5a37abeac12befeac708b9b9b","schema_version":"1.0","event_id":"sha256:6671b92ac55154d5dce9e6296e03d22971065fb5a37abeac12befeac708b9b9b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:EL226EPIA7CYHIUASGSYZT4T7W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diffusive shock acceleration at EeV and associated multimessenger flux from ultra-fast outflows driven by Active Galactic Nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alessandra Lamastra, Enrico Peretti, Francesco Gabriele Saturni, Giovanni Morlino, Markus Ahlers, Pasquale Blasi, Pierre Cristofari","submitted_at":"2023-01-31T15:05:28Z","abstract_excerpt":"Active galactic nuclei (AGN) can launch and sustain powerful winds featuring mildly relativistic velocity and wide opening angle. Such winds, known as ultra-fast outflows (UFOs), can develop a bubble structure characterized by a forward shock expanding in the host galaxy and a wind termination shock separating the fast cool wind from the hot shocked wind. In this work we explore whether diffusive shock acceleration can take place efficiently at the wind termination shock of UFOs. We calculate the spectrum of accelerated particles and find that protons can be energized up to the EeV range promo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.13689","kind":"arxiv","version":2},"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/2301.13689/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":"2026-07-05T06:53:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/PICEPO8599YPpkbh5h8pHxrVqjleNn5W+Tp3gqJHwieV4ftkLBfylwS7C2jlp1Uku0AxF0pWWREpRvL9ukuBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T18:42:28.140908Z"},"content_sha256":"8fdebeb3a665dbca8d49f1e2f174e9c870d1d73fab8e944dda1f0181bd5b7928","schema_version":"1.0","event_id":"sha256:8fdebeb3a665dbca8d49f1e2f174e9c870d1d73fab8e944dda1f0181bd5b7928"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EL226EPIA7CYHIUASGSYZT4T7W/bundle.json","state_url":"https://pith.science/pith/EL226EPIA7CYHIUASGSYZT4T7W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EL226EPIA7CYHIUASGSYZT4T7W/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":"2026-07-31T18:42:28Z","links":{"resolver":"https://pith.science/pith/EL226EPIA7CYHIUASGSYZT4T7W","bundle":"https://pith.science/pith/EL226EPIA7CYHIUASGSYZT4T7W/bundle.json","state":"https://pith.science/pith/EL226EPIA7CYHIUASGSYZT4T7W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EL226EPIA7CYHIUASGSYZT4T7W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:EL226EPIA7CYHIUASGSYZT4T7W","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":"881067242014a15e0a3dbcae49cb906cab97f7dd16aaf7a1319241606480b514","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-31T15:05:28Z","title_canon_sha256":"3b8e7ba6e2db964282618c01d32fb7e24a8345a57eeae55b0beed95be98e6122"},"schema_version":"1.0","source":{"id":"2301.13689","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.13689","created_at":"2026-07-05T06:53:05Z"},{"alias_kind":"arxiv_version","alias_value":"2301.13689v2","created_at":"2026-07-05T06:53:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.13689","created_at":"2026-07-05T06:53:05Z"},{"alias_kind":"pith_short_12","alias_value":"EL226EPIA7CY","created_at":"2026-07-05T06:53:05Z"},{"alias_kind":"pith_short_16","alias_value":"EL226EPIA7CYHIUA","created_at":"2026-07-05T06:53:05Z"},{"alias_kind":"pith_short_8","alias_value":"EL226EPI","created_at":"2026-07-05T06:53:05Z"}],"graph_snapshots":[{"event_id":"sha256:8fdebeb3a665dbca8d49f1e2f174e9c870d1d73fab8e944dda1f0181bd5b7928","target":"graph","created_at":"2026-07-05T06:53:05Z","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/2301.13689/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Active galactic nuclei (AGN) can launch and sustain powerful winds featuring mildly relativistic velocity and wide opening angle. Such winds, known as ultra-fast outflows (UFOs), can develop a bubble structure characterized by a forward shock expanding in the host galaxy and a wind termination shock separating the fast cool wind from the hot shocked wind. In this work we explore whether diffusive shock acceleration can take place efficiently at the wind termination shock of UFOs. We calculate the spectrum of accelerated particles and find that protons can be energized up to the EeV range promo","authors_text":"Alessandra Lamastra, Enrico Peretti, Francesco Gabriele Saturni, Giovanni Morlino, Markus Ahlers, Pasquale Blasi, Pierre Cristofari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-31T15:05:28Z","title":"Diffusive shock acceleration at EeV and associated multimessenger flux from ultra-fast outflows driven by Active Galactic Nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.13689","kind":"arxiv","version":2},"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":"sha256:6671b92ac55154d5dce9e6296e03d22971065fb5a37abeac12befeac708b9b9b","target":"record","created_at":"2026-07-05T06:53:05Z","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":"881067242014a15e0a3dbcae49cb906cab97f7dd16aaf7a1319241606480b514","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-31T15:05:28Z","title_canon_sha256":"3b8e7ba6e2db964282618c01d32fb7e24a8345a57eeae55b0beed95be98e6122"},"schema_version":"1.0","source":{"id":"2301.13689","kind":"arxiv","version":2}},"canonical_sha256":"22f5af11e807c583a28091a58ccf93fd98fe69cfb88d48601ab25269ac200663","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"22f5af11e807c583a28091a58ccf93fd98fe69cfb88d48601ab25269ac200663","first_computed_at":"2026-07-05T06:53:05.270533Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:53:05.270533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QqcswW1rUiUFrvz/wR3YsUDw9+Ec4hYdGeHODKAZXTWxyCTiF2BQ1pt1YFS/J7Qhk07VcDVxxpP+m6H5NAOJDg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:53:05.271198Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.13689","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6671b92ac55154d5dce9e6296e03d22971065fb5a37abeac12befeac708b9b9b","sha256:8fdebeb3a665dbca8d49f1e2f174e9c870d1d73fab8e944dda1f0181bd5b7928"],"state_sha256":"8ba6ebfbfaa6c716aafe9032ed869c6029ed2210ad2ae9ccf3c0b9327184387f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e/hz/5PRpILOAimEysn8XqVWM1F98b4KIoDc7u8RJU5pW57J3bBISyOQSbY3JLkCcENfIPhMFIj81OIW5jSpAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T18:42:28.146320Z","bundle_sha256":"51dfa71cbae9e62f45ad5b1166e9793b13c8fdae1c8437047e6539ff2f5319e9"}}