{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:SXAMQGR7QSY2JBQELCJEM245GK","short_pith_number":"pith:SXAMQGR7","canonical_record":{"source":{"id":"1509.03416","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-09-11T08:23:20Z","cross_cats_sorted":[],"title_canon_sha256":"c56ccad92a3b5e208dbdd0b31645e8fb1b2f05cad42c43422686759cfdead682","abstract_canon_sha256":"a6ad60fae535447b634e6daf6b962b0744c32848ed7d6235a80ab49d32d82477"},"schema_version":"1.0"},"canonical_sha256":"95c0c81a3f84b1a486045892466b9d32b674968a545aaa8c8413f89ec6738355","source":{"kind":"arxiv","id":"1509.03416","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.03416","created_at":"2026-05-18T01:22:20Z"},{"alias_kind":"arxiv_version","alias_value":"1509.03416v1","created_at":"2026-05-18T01:22:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.03416","created_at":"2026-05-18T01:22:20Z"},{"alias_kind":"pith_short_12","alias_value":"SXAMQGR7QSY2","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SXAMQGR7QSY2JBQE","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SXAMQGR7","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:SXAMQGR7QSY2JBQELCJEM245GK","target":"record","payload":{"canonical_record":{"source":{"id":"1509.03416","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-09-11T08:23:20Z","cross_cats_sorted":[],"title_canon_sha256":"c56ccad92a3b5e208dbdd0b31645e8fb1b2f05cad42c43422686759cfdead682","abstract_canon_sha256":"a6ad60fae535447b634e6daf6b962b0744c32848ed7d6235a80ab49d32d82477"},"schema_version":"1.0"},"canonical_sha256":"95c0c81a3f84b1a486045892466b9d32b674968a545aaa8c8413f89ec6738355","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:20.189770Z","signature_b64":"ajRIUOK0nu5grEEpfeGdP2luMa/EPy9u9oW1o1dje8dEEYw7+6tsyqnt2dwBvBQCq9v53Nte9udsMC96pqDMCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95c0c81a3f84b1a486045892466b9d32b674968a545aaa8c8413f89ec6738355","last_reissued_at":"2026-05-18T01:22:20.189072Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:20.189072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.03416","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":"2026-05-18T01:22:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"osh4gklp6n5kdkrW1osLWOioMcfjsi3pAJ8y4b6PiXPLU8iUVBSP/uQ3WMZ3UnSuDI/BGyfqnfsvkXwX4U8MDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T17:20:28.568099Z"},"content_sha256":"81ca47c6024fea5bfdcf0c2e158a37d0df356aeac7bbd8b36582c33106318251","schema_version":"1.0","event_id":"sha256:81ca47c6024fea5bfdcf0c2e158a37d0df356aeac7bbd8b36582c33106318251"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:SXAMQGR7QSY2JBQELCJEM245GK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hard x-ray broad band Laue lenses (80 - 600 keV): building methods and performances","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"E. Caroli, E. Virgilli, F. Frontera, J.B. Stephen, N. Auricchio, P. Rosati, S. Squerzanti, V. Carassiti, V. Liccardo","submitted_at":"2015-09-11T08:23:20Z","abstract_excerpt":"We present the status of the laue project devoted to develop a technology for building a 20 meter long focal length Laue lens for hard x-/soft gamma-ray astronomy (80 - 600 keV). The Laue lens is composed of bent crystals of Gallium Arsenide (GaAs, 220) and Germanium (Ge, 111), and, for the first time, the focusing property of bent crystals has been exploited for this field of applications. We show the preliminary results concerning the adhesive employed to fix the crystal tiles over the lens support, the positioning accuracy obtained and possible further improvements. The Laue lens petal that"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.03416","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":"2026-05-18T01:22:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vcq0irYVcPLpsRLVjo1WtxsY2o78VRIyjYRrzFc+kDX0W9sLM2P5Tve1CzUaAueDvpVfprujJ3oygDD2dKZgCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T17:20:28.568459Z"},"content_sha256":"7cc833f608b0fcae128c8ae217293b1a99d17b7c42a288301d76f9d8657c10d5","schema_version":"1.0","event_id":"sha256:7cc833f608b0fcae128c8ae217293b1a99d17b7c42a288301d76f9d8657c10d5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SXAMQGR7QSY2JBQELCJEM245GK/bundle.json","state_url":"https://pith.science/pith/SXAMQGR7QSY2JBQELCJEM245GK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SXAMQGR7QSY2JBQELCJEM245GK/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":"2026-07-02T17:20:28Z","links":{"resolver":"https://pith.science/pith/SXAMQGR7QSY2JBQELCJEM245GK","bundle":"https://pith.science/pith/SXAMQGR7QSY2JBQELCJEM245GK/bundle.json","state":"https://pith.science/pith/SXAMQGR7QSY2JBQELCJEM245GK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SXAMQGR7QSY2JBQELCJEM245GK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SXAMQGR7QSY2JBQELCJEM245GK","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":"a6ad60fae535447b634e6daf6b962b0744c32848ed7d6235a80ab49d32d82477","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-09-11T08:23:20Z","title_canon_sha256":"c56ccad92a3b5e208dbdd0b31645e8fb1b2f05cad42c43422686759cfdead682"},"schema_version":"1.0","source":{"id":"1509.03416","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.03416","created_at":"2026-05-18T01:22:20Z"},{"alias_kind":"arxiv_version","alias_value":"1509.03416v1","created_at":"2026-05-18T01:22:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.03416","created_at":"2026-05-18T01:22:20Z"},{"alias_kind":"pith_short_12","alias_value":"SXAMQGR7QSY2","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SXAMQGR7QSY2JBQE","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SXAMQGR7","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:7cc833f608b0fcae128c8ae217293b1a99d17b7c42a288301d76f9d8657c10d5","target":"graph","created_at":"2026-05-18T01:22:20Z","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":"We present the status of the laue project devoted to develop a technology for building a 20 meter long focal length Laue lens for hard x-/soft gamma-ray astronomy (80 - 600 keV). The Laue lens is composed of bent crystals of Gallium Arsenide (GaAs, 220) and Germanium (Ge, 111), and, for the first time, the focusing property of bent crystals has been exploited for this field of applications. We show the preliminary results concerning the adhesive employed to fix the crystal tiles over the lens support, the positioning accuracy obtained and possible further improvements. The Laue lens petal that","authors_text":"E. Caroli, E. Virgilli, F. Frontera, J.B. Stephen, N. Auricchio, P. Rosati, S. Squerzanti, V. Carassiti, V. Liccardo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-09-11T08:23:20Z","title":"Hard x-ray broad band Laue lenses (80 - 600 keV): building methods and performances"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.03416","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":"sha256:81ca47c6024fea5bfdcf0c2e158a37d0df356aeac7bbd8b36582c33106318251","target":"record","created_at":"2026-05-18T01:22:20Z","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":"a6ad60fae535447b634e6daf6b962b0744c32848ed7d6235a80ab49d32d82477","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-09-11T08:23:20Z","title_canon_sha256":"c56ccad92a3b5e208dbdd0b31645e8fb1b2f05cad42c43422686759cfdead682"},"schema_version":"1.0","source":{"id":"1509.03416","kind":"arxiv","version":1}},"canonical_sha256":"95c0c81a3f84b1a486045892466b9d32b674968a545aaa8c8413f89ec6738355","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"95c0c81a3f84b1a486045892466b9d32b674968a545aaa8c8413f89ec6738355","first_computed_at":"2026-05-18T01:22:20.189072Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:20.189072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ajRIUOK0nu5grEEpfeGdP2luMa/EPy9u9oW1o1dje8dEEYw7+6tsyqnt2dwBvBQCq9v53Nte9udsMC96pqDMCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:20.189770Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.03416","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81ca47c6024fea5bfdcf0c2e158a37d0df356aeac7bbd8b36582c33106318251","sha256:7cc833f608b0fcae128c8ae217293b1a99d17b7c42a288301d76f9d8657c10d5"],"state_sha256":"02b383c105daf7c47f782846eb57666dcbc35b03d4b1dd8376eee204abb22160"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"omK/emSPsD0HorgIXKjDTivBiW8kFlpDUN4Wjkt16fJ2WlCT/9mGArFLCBzYwDGuFe1hefsNITuKQ/N5oDBDDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T17:20:28.570403Z","bundle_sha256":"a5207287d765376e127c33ec753112505160498899f38bf1890b45dbeafa6cf0"}}