{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:PGVSDCYYVDMVGTKANDRNJUTZEJ","short_pith_number":"pith:PGVSDCYY","canonical_record":{"source":{"id":"1401.3118","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-01-14T09:52:57Z","cross_cats_sorted":["hep-ex","physics.ins-det"],"title_canon_sha256":"2f33f17b74b00d5910639c54843a375a8f9bc9fe1d83a8069d8aacbb3ef25b9f","abstract_canon_sha256":"05f2e1ee206ed403c21b35f9701d306b79ddcab63bb1998c382629424975e461"},"schema_version":"1.0"},"canonical_sha256":"79ab218b18a8d9534d4068e2d4d279225bb41d54c591b3690a3cd7c0ff65f0a5","source":{"kind":"arxiv","id":"1401.3118","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.3118","created_at":"2026-05-18T02:48:24Z"},{"alias_kind":"arxiv_version","alias_value":"1401.3118v2","created_at":"2026-05-18T02:48:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.3118","created_at":"2026-05-18T02:48:24Z"},{"alias_kind":"pith_short_12","alias_value":"PGVSDCYYVDMV","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PGVSDCYYVDMVGTKA","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PGVSDCYY","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:PGVSDCYYVDMVGTKANDRNJUTZEJ","target":"record","payload":{"canonical_record":{"source":{"id":"1401.3118","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-01-14T09:52:57Z","cross_cats_sorted":["hep-ex","physics.ins-det"],"title_canon_sha256":"2f33f17b74b00d5910639c54843a375a8f9bc9fe1d83a8069d8aacbb3ef25b9f","abstract_canon_sha256":"05f2e1ee206ed403c21b35f9701d306b79ddcab63bb1998c382629424975e461"},"schema_version":"1.0"},"canonical_sha256":"79ab218b18a8d9534d4068e2d4d279225bb41d54c591b3690a3cd7c0ff65f0a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:48:24.587596Z","signature_b64":"YVAw0kNSVF0Q0iAJQsYvpgczgMKxaRM3YKDqugO0/czb08GJTr8HGhkeNHMcT5XQcbzVO8TicoKvkOC1Z1sXBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79ab218b18a8d9534d4068e2d4d279225bb41d54c591b3690a3cd7c0ff65f0a5","last_reissued_at":"2026-05-18T02:48:24.587037Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:48:24.587037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.3118","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":"2026-05-18T02:48:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pQq8IuL4c2UUJEaVNs8yYsPWbCCcSmyF0flG5SDOYWE8EdH+78YMn8rP+eThd4swocG2emZG12b47PmKivjFBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:01:44.550907Z"},"content_sha256":"6049574c2a8079de4e5eef9ddc2cbcd541935eae79fc75df0612407697a1ab51","schema_version":"1.0","event_id":"sha256:6049574c2a8079de4e5eef9ddc2cbcd541935eae79fc75df0612407697a1ab51"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:PGVSDCYYVDMVGTKANDRNJUTZEJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study of scintillation in natural and synthetic quartz and methacrylate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","physics.ins-det"],"primary_cat":"physics.optics","authors_text":"A. Ortiz de Solorzano, C. Cuesta, C. Ginestra, C. Pobes, D.C. Herrera, D. Fortuno, E. Garcia, H. Gomez, J. Amare, J.A. Villar, J. Puimedon, M.A. Olivan, M.L. Sarsa, M. Martinez, P. Villar, S. Borjabad, S. Cebrian, Y. Ortigoza","submitted_at":"2014-01-14T09:52:57Z","abstract_excerpt":"Samples from different materials typically used as optical windows or light guides in scintillation detectors were studied in a very low background environment, at the Canfranc Underground Laboratory, searching for scintillation. A positive result can be confirmed for natural quartz: two distinct scintillation components have been identified, not being excited by an external gamma source. Although similar effect has not been observed neither for synthetic quartz nor for methacrylate, a fast light emission excited by intense gamma flux is evidenced for all the samples in our measurements. These"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.3118","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":""},"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":"2026-05-18T02:48:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xioj2A5HkrctOeNPwdkSWl/Es4MRnlZVxeO/I8bxLxnXKyW0xCTYfUT1dzKJ/Ps5UC6KcR47NucBWEqHxixwAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:01:44.551257Z"},"content_sha256":"928a4867a6a857daf4d8dcaeff36c3d1e35da664fe6fed2cb8b595f915cae781","schema_version":"1.0","event_id":"sha256:928a4867a6a857daf4d8dcaeff36c3d1e35da664fe6fed2cb8b595f915cae781"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PGVSDCYYVDMVGTKANDRNJUTZEJ/bundle.json","state_url":"https://pith.science/pith/PGVSDCYYVDMVGTKANDRNJUTZEJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PGVSDCYYVDMVGTKANDRNJUTZEJ/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":"2026-06-04T19:01:44Z","links":{"resolver":"https://pith.science/pith/PGVSDCYYVDMVGTKANDRNJUTZEJ","bundle":"https://pith.science/pith/PGVSDCYYVDMVGTKANDRNJUTZEJ/bundle.json","state":"https://pith.science/pith/PGVSDCYYVDMVGTKANDRNJUTZEJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PGVSDCYYVDMVGTKANDRNJUTZEJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:PGVSDCYYVDMVGTKANDRNJUTZEJ","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":"05f2e1ee206ed403c21b35f9701d306b79ddcab63bb1998c382629424975e461","cross_cats_sorted":["hep-ex","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-01-14T09:52:57Z","title_canon_sha256":"2f33f17b74b00d5910639c54843a375a8f9bc9fe1d83a8069d8aacbb3ef25b9f"},"schema_version":"1.0","source":{"id":"1401.3118","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.3118","created_at":"2026-05-18T02:48:24Z"},{"alias_kind":"arxiv_version","alias_value":"1401.3118v2","created_at":"2026-05-18T02:48:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.3118","created_at":"2026-05-18T02:48:24Z"},{"alias_kind":"pith_short_12","alias_value":"PGVSDCYYVDMV","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PGVSDCYYVDMVGTKA","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PGVSDCYY","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:928a4867a6a857daf4d8dcaeff36c3d1e35da664fe6fed2cb8b595f915cae781","target":"graph","created_at":"2026-05-18T02:48:24Z","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":"Samples from different materials typically used as optical windows or light guides in scintillation detectors were studied in a very low background environment, at the Canfranc Underground Laboratory, searching for scintillation. A positive result can be confirmed for natural quartz: two distinct scintillation components have been identified, not being excited by an external gamma source. Although similar effect has not been observed neither for synthetic quartz nor for methacrylate, a fast light emission excited by intense gamma flux is evidenced for all the samples in our measurements. These","authors_text":"A. Ortiz de Solorzano, C. Cuesta, C. Ginestra, C. Pobes, D.C. Herrera, D. Fortuno, E. Garcia, H. Gomez, J. Amare, J.A. Villar, J. Puimedon, M.A. Olivan, M.L. Sarsa, M. Martinez, P. Villar, S. Borjabad, S. Cebrian, Y. Ortigoza","cross_cats":["hep-ex","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-01-14T09:52:57Z","title":"Study of scintillation in natural and synthetic quartz and methacrylate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.3118","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":"sha256:6049574c2a8079de4e5eef9ddc2cbcd541935eae79fc75df0612407697a1ab51","target":"record","created_at":"2026-05-18T02:48:24Z","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":"05f2e1ee206ed403c21b35f9701d306b79ddcab63bb1998c382629424975e461","cross_cats_sorted":["hep-ex","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-01-14T09:52:57Z","title_canon_sha256":"2f33f17b74b00d5910639c54843a375a8f9bc9fe1d83a8069d8aacbb3ef25b9f"},"schema_version":"1.0","source":{"id":"1401.3118","kind":"arxiv","version":2}},"canonical_sha256":"79ab218b18a8d9534d4068e2d4d279225bb41d54c591b3690a3cd7c0ff65f0a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"79ab218b18a8d9534d4068e2d4d279225bb41d54c591b3690a3cd7c0ff65f0a5","first_computed_at":"2026-05-18T02:48:24.587037Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:48:24.587037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YVAw0kNSVF0Q0iAJQsYvpgczgMKxaRM3YKDqugO0/czb08GJTr8HGhkeNHMcT5XQcbzVO8TicoKvkOC1Z1sXBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:48:24.587596Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.3118","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6049574c2a8079de4e5eef9ddc2cbcd541935eae79fc75df0612407697a1ab51","sha256:928a4867a6a857daf4d8dcaeff36c3d1e35da664fe6fed2cb8b595f915cae781"],"state_sha256":"a1f86bfda5e5acf22a6350d94985c13859de2cc88d5d477c87b0dd86ddce358c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bhlldY/IlpSNNEBl4L7eQIkxG9cEfWIOA50zzzlf2uEing8wISFeQqPSunk3iDXcCSNZjQw7snjyM6LmBNt7Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T19:01:44.553203Z","bundle_sha256":"90392122dbca6a5ff3d5dc24ac478339364d75e96ddbd103f9008e7fc41c7ef6"}}