{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:XHDNXPFCDR2GSDBA3ETLE2RZ6L","short_pith_number":"pith:XHDNXPFC","canonical_record":{"source":{"id":"2106.00602","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2021-06-01T16:11:05Z","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"title_canon_sha256":"ccc67ef692a20d5f6b05f34dfc6187cc6c6b799fffc990d35122d5b2e6746628","abstract_canon_sha256":"9bbd89dc21d3916487f7ef2bebfecaee206aa66ca6fcbbc4a4c66b348f6ffe12"},"schema_version":"1.0"},"canonical_sha256":"b9c6dbbca21c74690c20d926b26a39f2f1a37c8bfc2f07079918c05be2bc2f25","source":{"kind":"arxiv","id":"2106.00602","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.00602","created_at":"2026-07-05T02:45:08Z"},{"alias_kind":"arxiv_version","alias_value":"2106.00602v1","created_at":"2026-07-05T02:45:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.00602","created_at":"2026-07-05T02:45:08Z"},{"alias_kind":"pith_short_12","alias_value":"XHDNXPFCDR2G","created_at":"2026-07-05T02:45:08Z"},{"alias_kind":"pith_short_16","alias_value":"XHDNXPFCDR2GSDBA","created_at":"2026-07-05T02:45:08Z"},{"alias_kind":"pith_short_8","alias_value":"XHDNXPFC","created_at":"2026-07-05T02:45:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:XHDNXPFCDR2GSDBA3ETLE2RZ6L","target":"record","payload":{"canonical_record":{"source":{"id":"2106.00602","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2021-06-01T16:11:05Z","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"title_canon_sha256":"ccc67ef692a20d5f6b05f34dfc6187cc6c6b799fffc990d35122d5b2e6746628","abstract_canon_sha256":"9bbd89dc21d3916487f7ef2bebfecaee206aa66ca6fcbbc4a4c66b348f6ffe12"},"schema_version":"1.0"},"canonical_sha256":"b9c6dbbca21c74690c20d926b26a39f2f1a37c8bfc2f07079918c05be2bc2f25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:45:08.713223Z","signature_b64":"3efYixOoavKVEcl9ECJUTN4h3mz/H7cikSIRBmnbGvTuFp3eoNz0qfc1Ep4vgAIsYngyyP9nQlwirzSh+taZAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9c6dbbca21c74690c20d926b26a39f2f1a37c8bfc2f07079918c05be2bc2f25","last_reissued_at":"2026-07-05T02:45:08.712880Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:45:08.712880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2106.00602","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":"2026-07-05T02:45:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nWvLIFXCFDa4Okk1Sssbl2eViSyFQObJHL+b1jy73tddAaxPgVAx/h3BZ+xjGrd7Hwmgvf06Nca5FPDvM7eQDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T22:10:08.625722Z"},"content_sha256":"a645265bb21f4965d6a5ff05b8cfb96b4c1eaa43b6c2db1de75625d0bf53264e","schema_version":"1.0","event_id":"sha256:a645265bb21f4965d6a5ff05b8cfb96b4c1eaa43b6c2db1de75625d0bf53264e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:XHDNXPFCDR2GSDBA3ETLE2RZ6L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Proposal for the ILC Preparatory Laboratory (Pre-lab)","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex","hep-ph","nucl-ex"],"primary_cat":"physics.acc-ph","authors_text":"International Linear Collider International Development Team","submitted_at":"2021-06-01T16:11:05Z","abstract_excerpt":"During the preparatory phase of the International Linear Collider (ILC) project, all technical development and engineering design needed for the start of ILC construction must be completed, in parallel with intergovernmental discussion of governance and sharing of responsibilities and cost. The ILC Preparatory Laboratory (Pre-lab) is conceived to execute the technical and engineering work and to assist the intergovernmental discussion by providing relevant information upon request. It will be based on a worldwide partnership among laboratories with a headquarters hosted in Japan. This proposal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.00602","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2106.00602/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:45:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vBF5DGbcMAmfP5OhFgQsIWVQHTIRnrUNDjKkxe0RWEqFagAb6TPq8vteb+MZlVGyc/K4HiNXoEvalJu0fYb9CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T22:10:08.626234Z"},"content_sha256":"f6e8bdb523e73737107f8ece312a83c4f5c87b6bd24927bdfa71f23c2bad71b7","schema_version":"1.0","event_id":"sha256:f6e8bdb523e73737107f8ece312a83c4f5c87b6bd24927bdfa71f23c2bad71b7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XHDNXPFCDR2GSDBA3ETLE2RZ6L/bundle.json","state_url":"https://pith.science/pith/XHDNXPFCDR2GSDBA3ETLE2RZ6L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XHDNXPFCDR2GSDBA3ETLE2RZ6L/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":"2026-08-20T22:10:08Z","links":{"resolver":"https://pith.science/pith/XHDNXPFCDR2GSDBA3ETLE2RZ6L","bundle":"https://pith.science/pith/XHDNXPFCDR2GSDBA3ETLE2RZ6L/bundle.json","state":"https://pith.science/pith/XHDNXPFCDR2GSDBA3ETLE2RZ6L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XHDNXPFCDR2GSDBA3ETLE2RZ6L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:XHDNXPFCDR2GSDBA3ETLE2RZ6L","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":"9bbd89dc21d3916487f7ef2bebfecaee206aa66ca6fcbbc4a4c66b348f6ffe12","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2021-06-01T16:11:05Z","title_canon_sha256":"ccc67ef692a20d5f6b05f34dfc6187cc6c6b799fffc990d35122d5b2e6746628"},"schema_version":"1.0","source":{"id":"2106.00602","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.00602","created_at":"2026-07-05T02:45:08Z"},{"alias_kind":"arxiv_version","alias_value":"2106.00602v1","created_at":"2026-07-05T02:45:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.00602","created_at":"2026-07-05T02:45:08Z"},{"alias_kind":"pith_short_12","alias_value":"XHDNXPFCDR2G","created_at":"2026-07-05T02:45:08Z"},{"alias_kind":"pith_short_16","alias_value":"XHDNXPFCDR2GSDBA","created_at":"2026-07-05T02:45:08Z"},{"alias_kind":"pith_short_8","alias_value":"XHDNXPFC","created_at":"2026-07-05T02:45:08Z"}],"graph_snapshots":[{"event_id":"sha256:f6e8bdb523e73737107f8ece312a83c4f5c87b6bd24927bdfa71f23c2bad71b7","target":"graph","created_at":"2026-07-05T02:45:08Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2106.00602/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"During the preparatory phase of the International Linear Collider (ILC) project, all technical development and engineering design needed for the start of ILC construction must be completed, in parallel with intergovernmental discussion of governance and sharing of responsibilities and cost. The ILC Preparatory Laboratory (Pre-lab) is conceived to execute the technical and engineering work and to assist the intergovernmental discussion by providing relevant information upon request. It will be based on a worldwide partnership among laboratories with a headquarters hosted in Japan. This proposal","authors_text":"International Linear Collider International Development Team","cross_cats":["hep-ex","hep-ph","nucl-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2021-06-01T16:11:05Z","title":"Proposal for the ILC Preparatory Laboratory (Pre-lab)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.00602","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:a645265bb21f4965d6a5ff05b8cfb96b4c1eaa43b6c2db1de75625d0bf53264e","target":"record","created_at":"2026-07-05T02:45:08Z","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":"9bbd89dc21d3916487f7ef2bebfecaee206aa66ca6fcbbc4a4c66b348f6ffe12","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2021-06-01T16:11:05Z","title_canon_sha256":"ccc67ef692a20d5f6b05f34dfc6187cc6c6b799fffc990d35122d5b2e6746628"},"schema_version":"1.0","source":{"id":"2106.00602","kind":"arxiv","version":1}},"canonical_sha256":"b9c6dbbca21c74690c20d926b26a39f2f1a37c8bfc2f07079918c05be2bc2f25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9c6dbbca21c74690c20d926b26a39f2f1a37c8bfc2f07079918c05be2bc2f25","first_computed_at":"2026-07-05T02:45:08.712880Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:45:08.712880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3efYixOoavKVEcl9ECJUTN4h3mz/H7cikSIRBmnbGvTuFp3eoNz0qfc1Ep4vgAIsYngyyP9nQlwirzSh+taZAA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:45:08.713223Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.00602","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a645265bb21f4965d6a5ff05b8cfb96b4c1eaa43b6c2db1de75625d0bf53264e","sha256:f6e8bdb523e73737107f8ece312a83c4f5c87b6bd24927bdfa71f23c2bad71b7"],"state_sha256":"072a8c5d7eb8d4ea8c447fba1ee1331527578133237416e40918d240f1b609fb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cnPRwd93/0PEv2m4D84/S+AsavI0wOkbWlR5bfJVOz3ALBagKWVARg0M70R8stvh0THkNh5Kzupq9s4hHo+9Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T22:10:08.630121Z","bundle_sha256":"1fbd1b7be102245fb0bd6b567b4954304a508b3e24a75a407d358b568fe2a96a"}}