{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:2EOMN4MBAQCKWU5FP55CJAHPNI","short_pith_number":"pith:2EOMN4MB","canonical_record":{"source":{"id":"1202.0624","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-02-03T08:26:00Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"2716070228c1c94276a3134608ca83d15066cc8ccd28d7a0732fd23f286b1805","abstract_canon_sha256":"5b3198a1e0ec3730eaceeb416d6f080fc445638118430837f24a28b2ebc9259e"},"schema_version":"1.0"},"canonical_sha256":"d11cc6f1810404ab53a57f7a2480ef6a307a4c80089f68002eb4196a5154e49c","source":{"kind":"arxiv","id":"1202.0624","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.0624","created_at":"2026-05-18T04:03:08Z"},{"alias_kind":"arxiv_version","alias_value":"1202.0624v1","created_at":"2026-05-18T04:03:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.0624","created_at":"2026-05-18T04:03:08Z"},{"alias_kind":"pith_short_12","alias_value":"2EOMN4MBAQCK","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2EOMN4MBAQCKWU5F","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2EOMN4MB","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:2EOMN4MBAQCKWU5FP55CJAHPNI","target":"record","payload":{"canonical_record":{"source":{"id":"1202.0624","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-02-03T08:26:00Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"2716070228c1c94276a3134608ca83d15066cc8ccd28d7a0732fd23f286b1805","abstract_canon_sha256":"5b3198a1e0ec3730eaceeb416d6f080fc445638118430837f24a28b2ebc9259e"},"schema_version":"1.0"},"canonical_sha256":"d11cc6f1810404ab53a57f7a2480ef6a307a4c80089f68002eb4196a5154e49c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:03:08.381925Z","signature_b64":"PL/2bNy0wAXzKrlajhpxWjQEKDp5BpkPXbD1WyFiDbXYr6UnYWSgT5MrWawZy4Hni2CBglsjl2qVh9EmWMuiAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d11cc6f1810404ab53a57f7a2480ef6a307a4c80089f68002eb4196a5154e49c","last_reissued_at":"2026-05-18T04:03:08.381160Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:03:08.381160Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.0624","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":"2026-05-18T04:03:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+LrOsw5dfQ1w2DJ66nzsXTyNkFDO+iBj2yjAvj3jdnTpebvS84RmldAQeNGXFmx3OoQpM/EjsWSIn2krDT+fDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:32:55.881185Z"},"content_sha256":"bafe572d3d3e3aad3109322809907506061fbc014b2f3b7b4f3e70a13aa293cf","schema_version":"1.0","event_id":"sha256:bafe572d3d3e3aad3109322809907506061fbc014b2f3b7b4f3e70a13aa293cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:2EOMN4MBAQCKWU5FP55CJAHPNI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Recent results of Micromegas sDHCAL with a new readout chip","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Dalmaz, A. Espargili\\`ere, C. Adloff, C. Drancourt, F. Peltier, G. Vouters, J. Blaha, J. Jacquemier, J.-J. Blaising, J. Prast, M. Chefdeville, N. Geffroy, R. Gaglione, S. Tsigaridas, Y. Karyotakis, Y. Tsipolitis","submitted_at":"2012-02-03T08:26:00Z","abstract_excerpt":"Calorimetry at future linear colliders could be based on a particle flow approach where granularity is the key to high jet energy resolution. Among different technologies, Micromegas chambers with 1 cm2 pad segmentation are studied for the active medium of a hadronic calorimeter. A chamber of 1 m2 with 9216 channels read out by a low noise front-end ASIC called MICROROC has recently been constructed and tested. Chamber design, ASIC circuitry and preliminary test beam results are reported."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.0624","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":"2026-05-18T04:03:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FtlrZ6HRML863plQvRMlC3t/8FJAsn29HB5xCJte1Pxl760QwkiqoHWxOekO5w3BVBgZBPxhGDcmJL3emPFDAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:32:55.881556Z"},"content_sha256":"37f8401dab731c6f774d39713ea53d5272573d88f8e26eaf8c2fa2277f4cdd48","schema_version":"1.0","event_id":"sha256:37f8401dab731c6f774d39713ea53d5272573d88f8e26eaf8c2fa2277f4cdd48"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2EOMN4MBAQCKWU5FP55CJAHPNI/bundle.json","state_url":"https://pith.science/pith/2EOMN4MBAQCKWU5FP55CJAHPNI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2EOMN4MBAQCKWU5FP55CJAHPNI/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":"2026-06-02T00:32:55Z","links":{"resolver":"https://pith.science/pith/2EOMN4MBAQCKWU5FP55CJAHPNI","bundle":"https://pith.science/pith/2EOMN4MBAQCKWU5FP55CJAHPNI/bundle.json","state":"https://pith.science/pith/2EOMN4MBAQCKWU5FP55CJAHPNI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2EOMN4MBAQCKWU5FP55CJAHPNI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:2EOMN4MBAQCKWU5FP55CJAHPNI","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":"5b3198a1e0ec3730eaceeb416d6f080fc445638118430837f24a28b2ebc9259e","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-02-03T08:26:00Z","title_canon_sha256":"2716070228c1c94276a3134608ca83d15066cc8ccd28d7a0732fd23f286b1805"},"schema_version":"1.0","source":{"id":"1202.0624","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.0624","created_at":"2026-05-18T04:03:08Z"},{"alias_kind":"arxiv_version","alias_value":"1202.0624v1","created_at":"2026-05-18T04:03:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.0624","created_at":"2026-05-18T04:03:08Z"},{"alias_kind":"pith_short_12","alias_value":"2EOMN4MBAQCK","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2EOMN4MBAQCKWU5F","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2EOMN4MB","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:37f8401dab731c6f774d39713ea53d5272573d88f8e26eaf8c2fa2277f4cdd48","target":"graph","created_at":"2026-05-18T04:03:08Z","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"},"paper":{"abstract_excerpt":"Calorimetry at future linear colliders could be based on a particle flow approach where granularity is the key to high jet energy resolution. Among different technologies, Micromegas chambers with 1 cm2 pad segmentation are studied for the active medium of a hadronic calorimeter. A chamber of 1 m2 with 9216 channels read out by a low noise front-end ASIC called MICROROC has recently been constructed and tested. Chamber design, ASIC circuitry and preliminary test beam results are reported.","authors_text":"A. Dalmaz, A. Espargili\\`ere, C. Adloff, C. Drancourt, F. Peltier, G. Vouters, J. Blaha, J. Jacquemier, J.-J. Blaising, J. Prast, M. Chefdeville, N. Geffroy, R. Gaglione, S. Tsigaridas, Y. Karyotakis, Y. Tsipolitis","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-02-03T08:26:00Z","title":"Recent results of Micromegas sDHCAL with a new readout chip"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.0624","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:bafe572d3d3e3aad3109322809907506061fbc014b2f3b7b4f3e70a13aa293cf","target":"record","created_at":"2026-05-18T04:03:08Z","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":"5b3198a1e0ec3730eaceeb416d6f080fc445638118430837f24a28b2ebc9259e","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-02-03T08:26:00Z","title_canon_sha256":"2716070228c1c94276a3134608ca83d15066cc8ccd28d7a0732fd23f286b1805"},"schema_version":"1.0","source":{"id":"1202.0624","kind":"arxiv","version":1}},"canonical_sha256":"d11cc6f1810404ab53a57f7a2480ef6a307a4c80089f68002eb4196a5154e49c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d11cc6f1810404ab53a57f7a2480ef6a307a4c80089f68002eb4196a5154e49c","first_computed_at":"2026-05-18T04:03:08.381160Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:03:08.381160Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PL/2bNy0wAXzKrlajhpxWjQEKDp5BpkPXbD1WyFiDbXYr6UnYWSgT5MrWawZy4Hni2CBglsjl2qVh9EmWMuiAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:03:08.381925Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.0624","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bafe572d3d3e3aad3109322809907506061fbc014b2f3b7b4f3e70a13aa293cf","sha256:37f8401dab731c6f774d39713ea53d5272573d88f8e26eaf8c2fa2277f4cdd48"],"state_sha256":"6eb92004b28bd61f9216d874fe59781df6563e1e19e83c6cf2b5e2a7e1eceac7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tb/TueLJjMBF2avppr/rd5XON93Sxq0kX9F9UxDwaR42uO2cgkZHuHybJfpLHTbYWKtBY9I7zt9ilAlXnvlSAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T00:32:55.883514Z","bundle_sha256":"4a9295c0a380cb4bb07db4a743140efc1b929fdc365201b8f41e127cbce8214c"}}