{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:EXV56P3CWSVPMA5GGGGJ6SOIFV","short_pith_number":"pith:EXV56P3C","canonical_record":{"source":{"id":"1306.5653","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-06-24T15:33:55Z","cross_cats_sorted":[],"title_canon_sha256":"740ec28ba643efd48c35ce147a47ed46377f38b03c58dd1af0a5d0425d9fd93b","abstract_canon_sha256":"cabd8500b725cbd54f5aced6baf23ebd5b95bbbcedc6151226242a351852d879"},"schema_version":"1.0"},"canonical_sha256":"25ebdf3f62b4aaf603a6318c9f49c82d5f916c153831e14a0c86da33ae7799ca","source":{"kind":"arxiv","id":"1306.5653","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.5653","created_at":"2026-05-18T03:20:07Z"},{"alias_kind":"arxiv_version","alias_value":"1306.5653v1","created_at":"2026-05-18T03:20:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5653","created_at":"2026-05-18T03:20:07Z"},{"alias_kind":"pith_short_12","alias_value":"EXV56P3CWSVP","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EXV56P3CWSVPMA5G","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EXV56P3C","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:EXV56P3CWSVPMA5GGGGJ6SOIFV","target":"record","payload":{"canonical_record":{"source":{"id":"1306.5653","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-06-24T15:33:55Z","cross_cats_sorted":[],"title_canon_sha256":"740ec28ba643efd48c35ce147a47ed46377f38b03c58dd1af0a5d0425d9fd93b","abstract_canon_sha256":"cabd8500b725cbd54f5aced6baf23ebd5b95bbbcedc6151226242a351852d879"},"schema_version":"1.0"},"canonical_sha256":"25ebdf3f62b4aaf603a6318c9f49c82d5f916c153831e14a0c86da33ae7799ca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:20:07.346353Z","signature_b64":"e9o3+5kcXb6EZORf2b1431WpizJrbYhTECeWeLRb5Dg7W6Ui7aytZX0scCSA/BBWA0ZJuyWDbBlOi24l1lbrBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25ebdf3f62b4aaf603a6318c9f49c82d5f916c153831e14a0c86da33ae7799ca","last_reissued_at":"2026-05-18T03:20:07.345789Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:20:07.345789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.5653","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":"2026-05-18T03:20:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dPaenCm1RkAQMSJinft0pykkTxwele2h+1ACcei2YjlMvIWm8fZH8KelAvOsxl2Su7EZ/BAzPy2EXcstLpapDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T17:51:03.856446Z"},"content_sha256":"01479358a55dbfa7f8401fbfa97519e766b28e3a54cd50fc625ff0472374d69e","schema_version":"1.0","event_id":"sha256:01479358a55dbfa7f8401fbfa97519e766b28e3a54cd50fc625ff0472374d69e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:EXV56P3CWSVPMA5GGGGJ6SOIFV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Synchronous Phase Shift at LHC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"D. Valuch, E. Shaposhnikova, G. Iadarola, G. Papotti, G. Rumolo, J. F. Esteban M\\\"uller, P. Baudrenghien, T. Mastoridis","submitted_at":"2013-06-24T15:33:55Z","abstract_excerpt":"The electron cloud in vacuum pipes of accelerators of positively charged particle beams causes a beam energy loss which could be estimated from the synchronous phase. Measurements done with beams of 75 ns, 50 ns, and 25 ns bunch spacing in the LHC for some fills in 2010 and 2011 show that the average energy loss depends on the total beam intensity in the ring. Later measurements during the scrubbing run with 50 ns beams show the reduction of the electron cloud due to scrubbing. Finally, measurements of the individual bunch phase give us information about the electron cloud build-up inside the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5653","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":"2026-05-18T03:20:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vXI2G0+qWayLuPc7xUkwH4yB9C2iSOSJzeU5bkyYIMMPWmk2kZYklGlZeCo2kgVecRjdu7pC5WuenrbzmpEUBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T17:51:03.857066Z"},"content_sha256":"08a92e36183b8f1157e3d1065a46261dc609f58019f73ab052518bf0a666bd3c","schema_version":"1.0","event_id":"sha256:08a92e36183b8f1157e3d1065a46261dc609f58019f73ab052518bf0a666bd3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EXV56P3CWSVPMA5GGGGJ6SOIFV/bundle.json","state_url":"https://pith.science/pith/EXV56P3CWSVPMA5GGGGJ6SOIFV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EXV56P3CWSVPMA5GGGGJ6SOIFV/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":"2026-05-23T17:51:03Z","links":{"resolver":"https://pith.science/pith/EXV56P3CWSVPMA5GGGGJ6SOIFV","bundle":"https://pith.science/pith/EXV56P3CWSVPMA5GGGGJ6SOIFV/bundle.json","state":"https://pith.science/pith/EXV56P3CWSVPMA5GGGGJ6SOIFV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EXV56P3CWSVPMA5GGGGJ6SOIFV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:EXV56P3CWSVPMA5GGGGJ6SOIFV","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":"cabd8500b725cbd54f5aced6baf23ebd5b95bbbcedc6151226242a351852d879","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-06-24T15:33:55Z","title_canon_sha256":"740ec28ba643efd48c35ce147a47ed46377f38b03c58dd1af0a5d0425d9fd93b"},"schema_version":"1.0","source":{"id":"1306.5653","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.5653","created_at":"2026-05-18T03:20:07Z"},{"alias_kind":"arxiv_version","alias_value":"1306.5653v1","created_at":"2026-05-18T03:20:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5653","created_at":"2026-05-18T03:20:07Z"},{"alias_kind":"pith_short_12","alias_value":"EXV56P3CWSVP","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EXV56P3CWSVPMA5G","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EXV56P3C","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:08a92e36183b8f1157e3d1065a46261dc609f58019f73ab052518bf0a666bd3c","target":"graph","created_at":"2026-05-18T03:20:07Z","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":"The electron cloud in vacuum pipes of accelerators of positively charged particle beams causes a beam energy loss which could be estimated from the synchronous phase. Measurements done with beams of 75 ns, 50 ns, and 25 ns bunch spacing in the LHC for some fills in 2010 and 2011 show that the average energy loss depends on the total beam intensity in the ring. Later measurements during the scrubbing run with 50 ns beams show the reduction of the electron cloud due to scrubbing. Finally, measurements of the individual bunch phase give us information about the electron cloud build-up inside the ","authors_text":"D. Valuch, E. Shaposhnikova, G. Iadarola, G. Papotti, G. Rumolo, J. F. Esteban M\\\"uller, P. Baudrenghien, T. Mastoridis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-06-24T15:33:55Z","title":"Synchronous Phase Shift at LHC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5653","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":"sha256:01479358a55dbfa7f8401fbfa97519e766b28e3a54cd50fc625ff0472374d69e","target":"record","created_at":"2026-05-18T03:20:07Z","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":"cabd8500b725cbd54f5aced6baf23ebd5b95bbbcedc6151226242a351852d879","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2013-06-24T15:33:55Z","title_canon_sha256":"740ec28ba643efd48c35ce147a47ed46377f38b03c58dd1af0a5d0425d9fd93b"},"schema_version":"1.0","source":{"id":"1306.5653","kind":"arxiv","version":1}},"canonical_sha256":"25ebdf3f62b4aaf603a6318c9f49c82d5f916c153831e14a0c86da33ae7799ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"25ebdf3f62b4aaf603a6318c9f49c82d5f916c153831e14a0c86da33ae7799ca","first_computed_at":"2026-05-18T03:20:07.345789Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:20:07.345789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e9o3+5kcXb6EZORf2b1431WpizJrbYhTECeWeLRb5Dg7W6Ui7aytZX0scCSA/BBWA0ZJuyWDbBlOi24l1lbrBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:20:07.346353Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.5653","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01479358a55dbfa7f8401fbfa97519e766b28e3a54cd50fc625ff0472374d69e","sha256:08a92e36183b8f1157e3d1065a46261dc609f58019f73ab052518bf0a666bd3c"],"state_sha256":"d9adac02924b8f5e4efdabbdad7ba9e0c378e0accd66ff61e891f664ff4456ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VBm8O85z2vLYhU6EFFKw8sjYcSnmTigXc1cL09h4/p06E4PvYw7lOpouDopMpU8oZmtLYc/e9L5FO8wyN1nVAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T17:51:03.860721Z","bundle_sha256":"d83ae4a6ef80ebab53d802cedf46e94b120c6dcbb781938015684fd0b5aee518"}}