{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:H6L2LA5QHQQOB3LU7PZRF73KO2","short_pith_number":"pith:H6L2LA5Q","canonical_record":{"source":{"id":"physics/0305025","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.ins-det","submitted_at":"2003-05-07T21:40:38Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"a23888a5635b44029462b3ca519618ecc235ddc3994e04d319aab9491c6a74b8","abstract_canon_sha256":"82114d5d8e88fb685d5e8b25816f51454110712d3b52ade8008f151b59f7c15e"},"schema_version":"1.0"},"canonical_sha256":"3f97a583b03c20e0ed74fbf312ff6a769e31fb1f818cd7888bc1263d282bd75b","source":{"kind":"arxiv","id":"physics/0305025","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0305025","created_at":"2026-05-18T01:38:08Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0305025v1","created_at":"2026-05-18T01:38:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0305025","created_at":"2026-05-18T01:38:08Z"},{"alias_kind":"pith_short_12","alias_value":"H6L2LA5QHQQO","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"H6L2LA5QHQQOB3LU","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"H6L2LA5Q","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:H6L2LA5QHQQOB3LU7PZRF73KO2","target":"record","payload":{"canonical_record":{"source":{"id":"physics/0305025","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.ins-det","submitted_at":"2003-05-07T21:40:38Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"a23888a5635b44029462b3ca519618ecc235ddc3994e04d319aab9491c6a74b8","abstract_canon_sha256":"82114d5d8e88fb685d5e8b25816f51454110712d3b52ade8008f151b59f7c15e"},"schema_version":"1.0"},"canonical_sha256":"3f97a583b03c20e0ed74fbf312ff6a769e31fb1f818cd7888bc1263d282bd75b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:08.910666Z","signature_b64":"ic0XBAs9kobtDFb/I7/DDwjz8vlR/uj5bGzB1pFjr5aj9iwUcUHXhNRZfep8vEnEt7wVFmJIFFN2PDQLfF7rCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f97a583b03c20e0ed74fbf312ff6a769e31fb1f818cd7888bc1263d282bd75b","last_reissued_at":"2026-05-18T01:38:08.910189Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:08.910189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/0305025","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":"2026-05-18T01:38:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fWhdlH2pxMxraEcoapGn5AnVLGINPlPKr7F6hMabRx95hkkga8ZabLk200aqDDclQyww6KLBhjBXvW55b3ffBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:36:56.154870Z"},"content_sha256":"4e299d84bc299e3186d070af7225832395e33bd1711c57748d8e5f9240f54fc4","schema_version":"1.0","event_id":"sha256:4e299d84bc299e3186d070af7225832395e33bd1711c57748d8e5f9240f54fc4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:H6L2LA5QHQQOB3LU7PZRF73KO2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The imaging X-ray detector for Lobster-ISS","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"physics.ins-det","authors_text":"A.N. Brunton, J.K. Black, K. Jahoda, N.P. Bannister, P. Deines-Jones","submitted_at":"2003-05-07T21:40:38Z","abstract_excerpt":"Lobster-ISS is a revolutionary astrophysical X-ray all-sky monitor scheduled for deployment as an attached payload on the International Space Station (ISS) in 2009. Using a new wide field-of-view focusing optic, Lobster-ISS provides an order-of-magnitude improvement in the sensitivity of all-sky monitors in the soft X-ray band (0.1-3.0 keV). This lobster-eye optic presents unique challenges to the imaging X-ray detector at its focus. Micro-patterned imaging proportional counters, with thier mechanical simplicity and high performance, are the most practical means of meeting the requirements. We"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0305025","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":"2026-05-18T01:38:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AatSAwCzYX7VQkR/cfq75kfpl610YEZ/f4TsmzMnxS3F90eUZ4JqZi2PBXm6DoACx+kxm14imvPqq1u3zFmfBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:36:56.155557Z"},"content_sha256":"5089acd080a1cc83ab4fb3781691a7e0b3b7b4ccf8a11ea27d40d1733ad5f17e","schema_version":"1.0","event_id":"sha256:5089acd080a1cc83ab4fb3781691a7e0b3b7b4ccf8a11ea27d40d1733ad5f17e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H6L2LA5QHQQOB3LU7PZRF73KO2/bundle.json","state_url":"https://pith.science/pith/H6L2LA5QHQQOB3LU7PZRF73KO2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H6L2LA5QHQQOB3LU7PZRF73KO2/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":"2026-05-26T20:36:56Z","links":{"resolver":"https://pith.science/pith/H6L2LA5QHQQOB3LU7PZRF73KO2","bundle":"https://pith.science/pith/H6L2LA5QHQQOB3LU7PZRF73KO2/bundle.json","state":"https://pith.science/pith/H6L2LA5QHQQOB3LU7PZRF73KO2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H6L2LA5QHQQOB3LU7PZRF73KO2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:H6L2LA5QHQQOB3LU7PZRF73KO2","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":"82114d5d8e88fb685d5e8b25816f51454110712d3b52ade8008f151b59f7c15e","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"physics.ins-det","submitted_at":"2003-05-07T21:40:38Z","title_canon_sha256":"a23888a5635b44029462b3ca519618ecc235ddc3994e04d319aab9491c6a74b8"},"schema_version":"1.0","source":{"id":"physics/0305025","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0305025","created_at":"2026-05-18T01:38:08Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0305025v1","created_at":"2026-05-18T01:38:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0305025","created_at":"2026-05-18T01:38:08Z"},{"alias_kind":"pith_short_12","alias_value":"H6L2LA5QHQQO","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"H6L2LA5QHQQOB3LU","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"H6L2LA5Q","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:5089acd080a1cc83ab4fb3781691a7e0b3b7b4ccf8a11ea27d40d1733ad5f17e","target":"graph","created_at":"2026-05-18T01:38:08Z","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":"Lobster-ISS is a revolutionary astrophysical X-ray all-sky monitor scheduled for deployment as an attached payload on the International Space Station (ISS) in 2009. Using a new wide field-of-view focusing optic, Lobster-ISS provides an order-of-magnitude improvement in the sensitivity of all-sky monitors in the soft X-ray band (0.1-3.0 keV). This lobster-eye optic presents unique challenges to the imaging X-ray detector at its focus. Micro-patterned imaging proportional counters, with thier mechanical simplicity and high performance, are the most practical means of meeting the requirements. We","authors_text":"A.N. Brunton, J.K. Black, K. Jahoda, N.P. Bannister, P. Deines-Jones","cross_cats":["astro-ph"],"headline":"","license":"","primary_cat":"physics.ins-det","submitted_at":"2003-05-07T21:40:38Z","title":"The imaging X-ray detector for Lobster-ISS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0305025","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":"sha256:4e299d84bc299e3186d070af7225832395e33bd1711c57748d8e5f9240f54fc4","target":"record","created_at":"2026-05-18T01:38:08Z","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":"82114d5d8e88fb685d5e8b25816f51454110712d3b52ade8008f151b59f7c15e","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"physics.ins-det","submitted_at":"2003-05-07T21:40:38Z","title_canon_sha256":"a23888a5635b44029462b3ca519618ecc235ddc3994e04d319aab9491c6a74b8"},"schema_version":"1.0","source":{"id":"physics/0305025","kind":"arxiv","version":1}},"canonical_sha256":"3f97a583b03c20e0ed74fbf312ff6a769e31fb1f818cd7888bc1263d282bd75b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f97a583b03c20e0ed74fbf312ff6a769e31fb1f818cd7888bc1263d282bd75b","first_computed_at":"2026-05-18T01:38:08.910189Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:08.910189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ic0XBAs9kobtDFb/I7/DDwjz8vlR/uj5bGzB1pFjr5aj9iwUcUHXhNRZfep8vEnEt7wVFmJIFFN2PDQLfF7rCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:08.910666Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0305025","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e299d84bc299e3186d070af7225832395e33bd1711c57748d8e5f9240f54fc4","sha256:5089acd080a1cc83ab4fb3781691a7e0b3b7b4ccf8a11ea27d40d1733ad5f17e"],"state_sha256":"061fe94d963a946b2844f590d4ca889d4c74b6ee54d0eddc33af6f49b10c99e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eiZpo0A1UcW243FUjLoCwqqyIDbOXhGidBVaqiCYo9J9Kfp3dOkIKp++MxKoqlVHXJmTFwzxfimx1RvNRq6yCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:36:56.159375Z","bundle_sha256":"bab6a1abc0b277f0c5715cf75ea738b3a239aa2a526b602529f55fae184902de"}}