{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:6N2KTSUBSCDGPV7DNGZ6LWZXD4","short_pith_number":"pith:6N2KTSUB","canonical_record":{"source":{"id":"1306.3446","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-06-14T16:30:48Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"46d30e0907fc32a7c45a97375bb85452bec8e4cd4418dd9699905b02b625ad87","abstract_canon_sha256":"a449690ec4aa0e100b7fe9cafba6531d3735859da5c75c0a501151a8054b765f"},"schema_version":"1.0"},"canonical_sha256":"f374a9ca81908667d7e369b3e5db371f1840aa361f008839925e94859891179b","source":{"kind":"arxiv","id":"1306.3446","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.3446","created_at":"2026-05-18T01:49:16Z"},{"alias_kind":"arxiv_version","alias_value":"1306.3446v1","created_at":"2026-05-18T01:49:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.3446","created_at":"2026-05-18T01:49:16Z"},{"alias_kind":"pith_short_12","alias_value":"6N2KTSUBSCDG","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6N2KTSUBSCDGPV7D","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6N2KTSUB","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:6N2KTSUBSCDGPV7DNGZ6LWZXD4","target":"record","payload":{"canonical_record":{"source":{"id":"1306.3446","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-06-14T16:30:48Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"46d30e0907fc32a7c45a97375bb85452bec8e4cd4418dd9699905b02b625ad87","abstract_canon_sha256":"a449690ec4aa0e100b7fe9cafba6531d3735859da5c75c0a501151a8054b765f"},"schema_version":"1.0"},"canonical_sha256":"f374a9ca81908667d7e369b3e5db371f1840aa361f008839925e94859891179b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:16.864389Z","signature_b64":"8HhHfuR0tmmAr43Zb1MQa4A7JTuyIebNTDSodz9WpGas9bwBgCAXQwaQxiUpSzO9em90cNgfCoqx/QfZGdfcBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f374a9ca81908667d7e369b3e5db371f1840aa361f008839925e94859891179b","last_reissued_at":"2026-05-18T01:49:16.863718Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:16.863718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.3446","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":"2026-05-18T01:49:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LMkeU/SaCLoHwZWffIak23QVDwp4LnkhzeDcxNcUPIA6LdQnCpX2s4PX9uRS5CSibYLqEhRWsMEE8y0jhghlCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:55:07.307228Z"},"content_sha256":"eb022cd2cdcd4e8ac1b2f10d4d1c648ca1aef075ef5681e8731bbee5a31352db","schema_version":"1.0","event_id":"sha256:eb022cd2cdcd4e8ac1b2f10d4d1c648ca1aef075ef5681e8731bbee5a31352db"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:6N2KTSUBSCDGPV7DNGZ6LWZXD4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pattern recognition techniques to reduce backgrounds in the search for the 136Xe double beta decay with gaseous TPCs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Tomas, D.C. Herrera, F.J. Iguaz, G. Luzon, H. Gomez, I.G. Irastorza, L. Segui, S. Cebrian, T. Dafni","submitted_at":"2013-06-14T16:30:48Z","abstract_excerpt":"The observation of the neutrinoless double beta decay may provide essential information on the nature of neutrinos. Among the current experimental approaches, a high pressure gaseous TPC is an attractive option for the search of double beta decay due to its good energy resolution and the detailed topological information of each event. We present in this talk a detailed study of the ionization topology of the 136Xe double beta decay events in a High Pressure Xenon TPC, as well as that of the typical competing backgrounds. We define some observables based on graph theory concepts to develop auto"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.3446","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":"2026-05-18T01:49:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hm4lOD6JLxu6BllN7WmM1HNTzS/10JOdeh6s11KSCxy0ycsbmW/Vw+Q8KcEdbaw4wsg8v6Cgf0MvPR3K9bqiDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:55:07.307591Z"},"content_sha256":"9ccc589247f49536fc351e92eb88c570cef7cefb21b1da8fa43a5983b7624ac1","schema_version":"1.0","event_id":"sha256:9ccc589247f49536fc351e92eb88c570cef7cefb21b1da8fa43a5983b7624ac1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6N2KTSUBSCDGPV7DNGZ6LWZXD4/bundle.json","state_url":"https://pith.science/pith/6N2KTSUBSCDGPV7DNGZ6LWZXD4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6N2KTSUBSCDGPV7DNGZ6LWZXD4/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":"2026-05-26T17:55:07Z","links":{"resolver":"https://pith.science/pith/6N2KTSUBSCDGPV7DNGZ6LWZXD4","bundle":"https://pith.science/pith/6N2KTSUBSCDGPV7DNGZ6LWZXD4/bundle.json","state":"https://pith.science/pith/6N2KTSUBSCDGPV7DNGZ6LWZXD4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6N2KTSUBSCDGPV7DNGZ6LWZXD4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6N2KTSUBSCDGPV7DNGZ6LWZXD4","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":"a449690ec4aa0e100b7fe9cafba6531d3735859da5c75c0a501151a8054b765f","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-06-14T16:30:48Z","title_canon_sha256":"46d30e0907fc32a7c45a97375bb85452bec8e4cd4418dd9699905b02b625ad87"},"schema_version":"1.0","source":{"id":"1306.3446","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.3446","created_at":"2026-05-18T01:49:16Z"},{"alias_kind":"arxiv_version","alias_value":"1306.3446v1","created_at":"2026-05-18T01:49:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.3446","created_at":"2026-05-18T01:49:16Z"},{"alias_kind":"pith_short_12","alias_value":"6N2KTSUBSCDG","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6N2KTSUBSCDGPV7D","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6N2KTSUB","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:9ccc589247f49536fc351e92eb88c570cef7cefb21b1da8fa43a5983b7624ac1","target":"graph","created_at":"2026-05-18T01:49:16Z","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 observation of the neutrinoless double beta decay may provide essential information on the nature of neutrinos. Among the current experimental approaches, a high pressure gaseous TPC is an attractive option for the search of double beta decay due to its good energy resolution and the detailed topological information of each event. We present in this talk a detailed study of the ionization topology of the 136Xe double beta decay events in a High Pressure Xenon TPC, as well as that of the typical competing backgrounds. We define some observables based on graph theory concepts to develop auto","authors_text":"A. Tomas, D.C. Herrera, F.J. Iguaz, G. Luzon, H. Gomez, I.G. Irastorza, L. Segui, S. Cebrian, T. Dafni","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-06-14T16:30:48Z","title":"Pattern recognition techniques to reduce backgrounds in the search for the 136Xe double beta decay with gaseous TPCs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.3446","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:eb022cd2cdcd4e8ac1b2f10d4d1c648ca1aef075ef5681e8731bbee5a31352db","target":"record","created_at":"2026-05-18T01:49:16Z","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":"a449690ec4aa0e100b7fe9cafba6531d3735859da5c75c0a501151a8054b765f","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-06-14T16:30:48Z","title_canon_sha256":"46d30e0907fc32a7c45a97375bb85452bec8e4cd4418dd9699905b02b625ad87"},"schema_version":"1.0","source":{"id":"1306.3446","kind":"arxiv","version":1}},"canonical_sha256":"f374a9ca81908667d7e369b3e5db371f1840aa361f008839925e94859891179b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f374a9ca81908667d7e369b3e5db371f1840aa361f008839925e94859891179b","first_computed_at":"2026-05-18T01:49:16.863718Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:16.863718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8HhHfuR0tmmAr43Zb1MQa4A7JTuyIebNTDSodz9WpGas9bwBgCAXQwaQxiUpSzO9em90cNgfCoqx/QfZGdfcBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:16.864389Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.3446","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb022cd2cdcd4e8ac1b2f10d4d1c648ca1aef075ef5681e8731bbee5a31352db","sha256:9ccc589247f49536fc351e92eb88c570cef7cefb21b1da8fa43a5983b7624ac1"],"state_sha256":"75b1e88ebfb8d66194c3662b2264dc1bf0b3c72a90511febff3a452362511044"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nCyqJ9nLglZHpFjakIdkHju5WNdsCsRpb/5pARdGP246cT4YFY+b4Bd2rG8yfLWUjVTtwu6UpFLVUapMuTvzDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T17:55:07.309782Z","bundle_sha256":"1f1a42e73c846107d6bdf6cf3204506fc8d16c45080b5b5ccd37085d240403fe"}}