{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:N2D4TMOBB2JPBKSHO4LCBX7DGL","short_pith_number":"pith:N2D4TMOB","canonical_record":{"source":{"id":"1610.09539","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-10-29T16:37:49Z","cross_cats_sorted":[],"title_canon_sha256":"e5190aeb00e478bf7b134898a3cc55458d2bb51de370947fed586201148a252f","abstract_canon_sha256":"1359530b3ee67a6e60c53b6b96650430e740d984d6a4d0dc3ac823a46f2456ca"},"schema_version":"1.0"},"canonical_sha256":"6e87c9b1c10e92f0aa47771620dfe332c2316c7c9d8dd2cf70dc56d9d04f95e0","source":{"kind":"arxiv","id":"1610.09539","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.09539","created_at":"2026-05-18T00:41:38Z"},{"alias_kind":"arxiv_version","alias_value":"1610.09539v1","created_at":"2026-05-18T00:41:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.09539","created_at":"2026-05-18T00:41:38Z"},{"alias_kind":"pith_short_12","alias_value":"N2D4TMOBB2JP","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"N2D4TMOBB2JPBKSH","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"N2D4TMOB","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:N2D4TMOBB2JPBKSHO4LCBX7DGL","target":"record","payload":{"canonical_record":{"source":{"id":"1610.09539","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-10-29T16:37:49Z","cross_cats_sorted":[],"title_canon_sha256":"e5190aeb00e478bf7b134898a3cc55458d2bb51de370947fed586201148a252f","abstract_canon_sha256":"1359530b3ee67a6e60c53b6b96650430e740d984d6a4d0dc3ac823a46f2456ca"},"schema_version":"1.0"},"canonical_sha256":"6e87c9b1c10e92f0aa47771620dfe332c2316c7c9d8dd2cf70dc56d9d04f95e0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:38.703350Z","signature_b64":"oRx5Qd6UNNL46GTN+XqGbmhRsDGb0kghpyY2qj8ghEwi/yvpIcCwAqzTTEGmYpINpteYtoBRYLV7gfikH2mQBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e87c9b1c10e92f0aa47771620dfe332c2316c7c9d8dd2cf70dc56d9d04f95e0","last_reissued_at":"2026-05-18T00:41:38.702743Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:38.702743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.09539","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":"2026-05-18T00:41:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rw2ywBQXwfafpEsaS/gefCJW3LAHEINYqVFdJ+QrTAuw567VgX4/MCoZb/GCnDubwrZuUMtGWjalT8bi1HZJBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:33:22.665060Z"},"content_sha256":"11575a9608d2857b78122c5afd9112152554c2f023a22582d940eb279e7653e7","schema_version":"1.0","event_id":"sha256:11575a9608d2857b78122c5afd9112152554c2f023a22582d940eb279e7653e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:N2D4TMOBB2JPBKSHO4LCBX7DGL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Design, Construction and Performance Tests of a Prototype MicroMegas Chamber with Two Readout Planes in a Common Gas Volume","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Andreas D\\\"udder, Bernard Brickwedde, Eda Yildirim, Matthias Schott","submitted_at":"2016-10-29T16:37:49Z","abstract_excerpt":"In this paper, the design and the performance of a prototype detector based on MicroMegas technology with two detection planes in a common gas volume is discussed. The detector is suited for the forward region of LHC detectors, addressing the high-rate environment and limited available space. Each detection plane has an active area of 9x9 cm^2 with a two-dimensional strip readout and is separated by a common gas region with a height of 14 mm. A micro-mesh, working as a cathode, is placed in the middle of the common gas volume separating it into two individual cells. This setup allows for an an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.09539","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":"2026-05-18T00:41:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dvnxmFUlCp49Wg7b1oSJbJ9ewPfrK3DqC+MunhXWApwWA5vZHZRBKRFiEBhnuIJugh9Kh97u/pi/h6pFMRKBBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:33:22.665831Z"},"content_sha256":"5730b74a3738830da27f0563cb5892c37d71e6fd48b3710a84731d20dc3508ec","schema_version":"1.0","event_id":"sha256:5730b74a3738830da27f0563cb5892c37d71e6fd48b3710a84731d20dc3508ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N2D4TMOBB2JPBKSHO4LCBX7DGL/bundle.json","state_url":"https://pith.science/pith/N2D4TMOBB2JPBKSHO4LCBX7DGL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N2D4TMOBB2JPBKSHO4LCBX7DGL/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":"2026-05-31T16:33:22Z","links":{"resolver":"https://pith.science/pith/N2D4TMOBB2JPBKSHO4LCBX7DGL","bundle":"https://pith.science/pith/N2D4TMOBB2JPBKSHO4LCBX7DGL/bundle.json","state":"https://pith.science/pith/N2D4TMOBB2JPBKSHO4LCBX7DGL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N2D4TMOBB2JPBKSHO4LCBX7DGL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:N2D4TMOBB2JPBKSHO4LCBX7DGL","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":"1359530b3ee67a6e60c53b6b96650430e740d984d6a4d0dc3ac823a46f2456ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-10-29T16:37:49Z","title_canon_sha256":"e5190aeb00e478bf7b134898a3cc55458d2bb51de370947fed586201148a252f"},"schema_version":"1.0","source":{"id":"1610.09539","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.09539","created_at":"2026-05-18T00:41:38Z"},{"alias_kind":"arxiv_version","alias_value":"1610.09539v1","created_at":"2026-05-18T00:41:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.09539","created_at":"2026-05-18T00:41:38Z"},{"alias_kind":"pith_short_12","alias_value":"N2D4TMOBB2JP","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"N2D4TMOBB2JPBKSH","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"N2D4TMOB","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:5730b74a3738830da27f0563cb5892c37d71e6fd48b3710a84731d20dc3508ec","target":"graph","created_at":"2026-05-18T00:41:38Z","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":"In this paper, the design and the performance of a prototype detector based on MicroMegas technology with two detection planes in a common gas volume is discussed. The detector is suited for the forward region of LHC detectors, addressing the high-rate environment and limited available space. Each detection plane has an active area of 9x9 cm^2 with a two-dimensional strip readout and is separated by a common gas region with a height of 14 mm. A micro-mesh, working as a cathode, is placed in the middle of the common gas volume separating it into two individual cells. This setup allows for an an","authors_text":"Andreas D\\\"udder, Bernard Brickwedde, Eda Yildirim, Matthias Schott","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-10-29T16:37:49Z","title":"Design, Construction and Performance Tests of a Prototype MicroMegas Chamber with Two Readout Planes in a Common Gas Volume"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.09539","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":"sha256:11575a9608d2857b78122c5afd9112152554c2f023a22582d940eb279e7653e7","target":"record","created_at":"2026-05-18T00:41:38Z","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":"1359530b3ee67a6e60c53b6b96650430e740d984d6a4d0dc3ac823a46f2456ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-10-29T16:37:49Z","title_canon_sha256":"e5190aeb00e478bf7b134898a3cc55458d2bb51de370947fed586201148a252f"},"schema_version":"1.0","source":{"id":"1610.09539","kind":"arxiv","version":1}},"canonical_sha256":"6e87c9b1c10e92f0aa47771620dfe332c2316c7c9d8dd2cf70dc56d9d04f95e0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e87c9b1c10e92f0aa47771620dfe332c2316c7c9d8dd2cf70dc56d9d04f95e0","first_computed_at":"2026-05-18T00:41:38.702743Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:38.702743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oRx5Qd6UNNL46GTN+XqGbmhRsDGb0kghpyY2qj8ghEwi/yvpIcCwAqzTTEGmYpINpteYtoBRYLV7gfikH2mQBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:38.703350Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.09539","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11575a9608d2857b78122c5afd9112152554c2f023a22582d940eb279e7653e7","sha256:5730b74a3738830da27f0563cb5892c37d71e6fd48b3710a84731d20dc3508ec"],"state_sha256":"68a48c0412de6d117b16e5ce96a8fba14143359b5a8a2993c91a862de1ddc634"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3X7AWkhdVcw86ZO2ZsIZQq8DghSbOfrxn4ljgrZ+SFqoA6INndl4F0cYrokhjIyxZYu0IvTMr/GxNFEWCC8aBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:33:22.670025Z","bundle_sha256":"5394b47ba9b0afbd23ac62587686fe750d839ecc4a8dfb9b4765712e955335a3"}}