{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:URR7PJSR74RMV6ZM4IP3LNZJR4","short_pith_number":"pith:URR7PJSR","canonical_record":{"source":{"id":"1711.07261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-11-20T11:44:08Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"7c10c7f11377f68fa278920166ed46a5150bdd3b40cbf03ffa6a1ccdf50f9d93","abstract_canon_sha256":"f0227c2b0bafc700652165da381bc25dc3564a35b1c121691752c035e569b498"},"schema_version":"1.0"},"canonical_sha256":"a463f7a651ff22cafb2ce21fb5b7298f0f274e8ab43cd406078400649647281e","source":{"kind":"arxiv","id":"1711.07261","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.07261","created_at":"2026-05-18T00:30:10Z"},{"alias_kind":"arxiv_version","alias_value":"1711.07261v1","created_at":"2026-05-18T00:30:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.07261","created_at":"2026-05-18T00:30:10Z"},{"alias_kind":"pith_short_12","alias_value":"URR7PJSR74RM","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"URR7PJSR74RMV6ZM","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"URR7PJSR","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:URR7PJSR74RMV6ZM4IP3LNZJR4","target":"record","payload":{"canonical_record":{"source":{"id":"1711.07261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-11-20T11:44:08Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"7c10c7f11377f68fa278920166ed46a5150bdd3b40cbf03ffa6a1ccdf50f9d93","abstract_canon_sha256":"f0227c2b0bafc700652165da381bc25dc3564a35b1c121691752c035e569b498"},"schema_version":"1.0"},"canonical_sha256":"a463f7a651ff22cafb2ce21fb5b7298f0f274e8ab43cd406078400649647281e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:30:10.707722Z","signature_b64":"4k3D+65sZBQMAvMwFepqrW/YGYDAkfvLNrVvZXKRDCNCtT5ukL8Om99dBWR9jS6FJ6sB6epoOOC+IbnqBj15CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a463f7a651ff22cafb2ce21fb5b7298f0f274e8ab43cd406078400649647281e","last_reissued_at":"2026-05-18T00:30:10.706987Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:30:10.706987Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.07261","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":"2026-05-18T00:30:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"spUxBEkWj7OluBy9ia6eXGMWhdugDFD3FOFPH1dt5zg+HQ5CUGtcN/TN6lKT73lq5a2eUT51VOgp2QR5RuW/Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T02:20:17.021143Z"},"content_sha256":"5d7c588609548c1abad3916dee50d3411951234063e36bf6aea42ce9e865d9f4","schema_version":"1.0","event_id":"sha256:5d7c588609548c1abad3916dee50d3411951234063e36bf6aea42ce9e865d9f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:URR7PJSR74RMV6ZM4IP3LNZJR4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quality Assurance on a custom SiPMs array for the Mu2e experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Saputi, B. Echenard, D. G. Hitlin, E. Diociaiuti, E. Pedreschi, F. Cervelli, F. Colao, F. Grancagnolo, F. Happacher, F. Porter, F. Raffaelli, F. Spinella, G. Corradi, G. Pezzullo, G. Tassielli, I. Sarra, J. Budagov, L. Morescalchi, M. Cordelli, M. Martini, M. Ricci, N. Atanov, P. Murat, R. Donghia, R. Y. Zhu, S. Di Falco, S. Donati, S. Giovannella, S. Miscetti, T. Miyashita, V. Baranov, V. Glagolev, V. Tereshchenko, Yu. I. Davydov, Z. Usubov","submitted_at":"2017-11-20T11:44:08Z","abstract_excerpt":"The Mu2e experiment at Fermilab will search for the coherent $\\mu \\to e$ conversion on aluminum atoms. The detector system consists of a straw tube tracker and a crystal calorimeter. A pre-production of 150 Silicon Photomultiplier arrays for the Mu2e calorimeter has been procured. A detailed quality assur- ance has been carried out on each SiPM for the determination of its own operation voltage, gain, dark current and PDE. The measurement of the mean-time-to-failure for a small random sample of the pro-production group has been also completed as well as the determination of the dark current in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.07261","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":"2026-05-18T00:30:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IbX2x3XKQplxCxQJ8sFixjUSz4GdU9uZ18iC1QulYNF5SqyAL5bb+G4I2chfiFhgkhcX23odQIddnDJGB3ZoAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T02:20:17.021885Z"},"content_sha256":"0c5a2b6c933c9212ad364510007b739e725235f2fafffae7761b2e859bea5c3f","schema_version":"1.0","event_id":"sha256:0c5a2b6c933c9212ad364510007b739e725235f2fafffae7761b2e859bea5c3f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/URR7PJSR74RMV6ZM4IP3LNZJR4/bundle.json","state_url":"https://pith.science/pith/URR7PJSR74RMV6ZM4IP3LNZJR4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/URR7PJSR74RMV6ZM4IP3LNZJR4/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":"2026-06-09T02:20:17Z","links":{"resolver":"https://pith.science/pith/URR7PJSR74RMV6ZM4IP3LNZJR4","bundle":"https://pith.science/pith/URR7PJSR74RMV6ZM4IP3LNZJR4/bundle.json","state":"https://pith.science/pith/URR7PJSR74RMV6ZM4IP3LNZJR4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/URR7PJSR74RMV6ZM4IP3LNZJR4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:URR7PJSR74RMV6ZM4IP3LNZJR4","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":"f0227c2b0bafc700652165da381bc25dc3564a35b1c121691752c035e569b498","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-11-20T11:44:08Z","title_canon_sha256":"7c10c7f11377f68fa278920166ed46a5150bdd3b40cbf03ffa6a1ccdf50f9d93"},"schema_version":"1.0","source":{"id":"1711.07261","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.07261","created_at":"2026-05-18T00:30:10Z"},{"alias_kind":"arxiv_version","alias_value":"1711.07261v1","created_at":"2026-05-18T00:30:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.07261","created_at":"2026-05-18T00:30:10Z"},{"alias_kind":"pith_short_12","alias_value":"URR7PJSR74RM","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"URR7PJSR74RMV6ZM","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"URR7PJSR","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:0c5a2b6c933c9212ad364510007b739e725235f2fafffae7761b2e859bea5c3f","target":"graph","created_at":"2026-05-18T00:30:10Z","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 Mu2e experiment at Fermilab will search for the coherent $\\mu \\to e$ conversion on aluminum atoms. The detector system consists of a straw tube tracker and a crystal calorimeter. A pre-production of 150 Silicon Photomultiplier arrays for the Mu2e calorimeter has been procured. A detailed quality assur- ance has been carried out on each SiPM for the determination of its own operation voltage, gain, dark current and PDE. The measurement of the mean-time-to-failure for a small random sample of the pro-production group has been also completed as well as the determination of the dark current in","authors_text":"A. Saputi, B. Echenard, D. G. Hitlin, E. Diociaiuti, E. Pedreschi, F. Cervelli, F. Colao, F. Grancagnolo, F. Happacher, F. Porter, F. Raffaelli, F. Spinella, G. Corradi, G. Pezzullo, G. Tassielli, I. Sarra, J. Budagov, L. Morescalchi, M. Cordelli, M. Martini, M. Ricci, N. Atanov, P. Murat, R. Donghia, R. Y. Zhu, S. Di Falco, S. Donati, S. Giovannella, S. Miscetti, T. Miyashita, V. Baranov, V. Glagolev, V. Tereshchenko, Yu. I. Davydov, Z. Usubov","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-11-20T11:44:08Z","title":"Quality Assurance on a custom SiPMs array for the Mu2e experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.07261","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":"sha256:5d7c588609548c1abad3916dee50d3411951234063e36bf6aea42ce9e865d9f4","target":"record","created_at":"2026-05-18T00:30:10Z","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":"f0227c2b0bafc700652165da381bc25dc3564a35b1c121691752c035e569b498","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-11-20T11:44:08Z","title_canon_sha256":"7c10c7f11377f68fa278920166ed46a5150bdd3b40cbf03ffa6a1ccdf50f9d93"},"schema_version":"1.0","source":{"id":"1711.07261","kind":"arxiv","version":1}},"canonical_sha256":"a463f7a651ff22cafb2ce21fb5b7298f0f274e8ab43cd406078400649647281e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a463f7a651ff22cafb2ce21fb5b7298f0f274e8ab43cd406078400649647281e","first_computed_at":"2026-05-18T00:30:10.706987Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:30:10.706987Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4k3D+65sZBQMAvMwFepqrW/YGYDAkfvLNrVvZXKRDCNCtT5ukL8Om99dBWR9jS6FJ6sB6epoOOC+IbnqBj15CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:30:10.707722Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.07261","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d7c588609548c1abad3916dee50d3411951234063e36bf6aea42ce9e865d9f4","sha256:0c5a2b6c933c9212ad364510007b739e725235f2fafffae7761b2e859bea5c3f"],"state_sha256":"470cfbe9bf9981656fffef4d9a30f3a092b734e499d7728917e072a6802b566a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x1S3I9FPxQ5oq5iF2m7KqY+NG6Mu+Gt61tJ0zFoXQEggJV2vxXjYtcxGoTQYPIe8g1WlNqzBu7p+xqJxA+MdCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T02:20:17.025973Z","bundle_sha256":"8762aa307a5eda5a8c3c089bbda50af6af848b76fb93a5b20b5df7eb215a6b6a"}}