{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:5NYJI7MX2NNHAXSNOLL2ZSNCYN","short_pith_number":"pith:5NYJI7MX","canonical_record":{"source":{"id":"1612.03506","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-12-12T00:21:46Z","cross_cats_sorted":[],"title_canon_sha256":"0b7028fc38972f7ef8f426071bcc7b1d7828c9b89179714775026122820e995e","abstract_canon_sha256":"3d4b5c24de9b5fe2d3136c9b69987b77c93a5344417fd09bc9c109feadc49918"},"schema_version":"1.0"},"canonical_sha256":"eb70947d97d35a705e4d72d7acc9a2c364952061d36c950ba3d5ce5d7aa47934","source":{"kind":"arxiv","id":"1612.03506","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.03506","created_at":"2026-05-18T00:52:37Z"},{"alias_kind":"arxiv_version","alias_value":"1612.03506v1","created_at":"2026-05-18T00:52:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.03506","created_at":"2026-05-18T00:52:37Z"},{"alias_kind":"pith_short_12","alias_value":"5NYJI7MX2NNH","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5NYJI7MX2NNHAXSN","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5NYJI7MX","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:5NYJI7MX2NNHAXSNOLL2ZSNCYN","target":"record","payload":{"canonical_record":{"source":{"id":"1612.03506","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-12-12T00:21:46Z","cross_cats_sorted":[],"title_canon_sha256":"0b7028fc38972f7ef8f426071bcc7b1d7828c9b89179714775026122820e995e","abstract_canon_sha256":"3d4b5c24de9b5fe2d3136c9b69987b77c93a5344417fd09bc9c109feadc49918"},"schema_version":"1.0"},"canonical_sha256":"eb70947d97d35a705e4d72d7acc9a2c364952061d36c950ba3d5ce5d7aa47934","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:37.288972Z","signature_b64":"6bOE078NAcbcbPWz52zrVgJT79rv+CBrQ/LIsl2LaxJiXGUMRC25gLHKiT74ftFMeFIiEkGraxhD7tQigY4IAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb70947d97d35a705e4d72d7acc9a2c364952061d36c950ba3d5ce5d7aa47934","last_reissued_at":"2026-05-18T00:52:37.288499Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:37.288499Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.03506","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":"2026-05-18T00:52:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RHWQQUT7e4xykJgBSZPvnzkXEGKDxrmQIyowEHIoDPqnHeCdW6vLfXUDkdYa7/vPmyUiO+yqQYNhQ5HK/grLDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:09:15.136293Z"},"content_sha256":"1592378f774172a19df808baed908d105f8b560dd7333ff45d4a5a359bbe70f0","schema_version":"1.0","event_id":"sha256:1592378f774172a19df808baed908d105f8b560dd7333ff45d4a5a359bbe70f0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:5NYJI7MX2NNHAXSNOLL2ZSNCYN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The calibration of read-out-streak photometry in the XMM-Newton Optical Monitor and the construction of a bright-source catalogue","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A.A. Breeveld, A. Talavera, B. Hancock, M. Carter, M.J. Page, N. Chan, N.P.M. Kuin, P.J. Smith, T. Kennedy, V. Yershov","submitted_at":"2016-12-12T00:21:46Z","abstract_excerpt":"The dynamic range of the XMM-Newton Optical Monitor (XMM-OM) is limited at the bright end by coincidence loss, the superposition of multiple photons in the individual frames recorded from its micro-channel-plate (MCP) intensified charge-coupled device (CCD) detector. One way to overcome this limitation is to use photons that arrive during the frame transfer of the CCD, forming vertical read-out streaks for bright sources. We calibrate these read-out streaks for photometry of bright sources observed with XMM-OM. The bright source limit for read-out streak photometry is set by the recharge time "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.03506","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":"2026-05-18T00:52:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4H4gN+Leq0F5jYJ7CLoykvPJ1b375n5sJLF+B+DX9dP1Um7YDX6EygJqEK7T2Vm7s5AsfTNAHqatdhzM9sAICA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:09:15.136904Z"},"content_sha256":"537fb7e2a477a7e63903ceaab33d75801057c9bf6a6cdd9bb8bcd3cad1b412a2","schema_version":"1.0","event_id":"sha256:537fb7e2a477a7e63903ceaab33d75801057c9bf6a6cdd9bb8bcd3cad1b412a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5NYJI7MX2NNHAXSNOLL2ZSNCYN/bundle.json","state_url":"https://pith.science/pith/5NYJI7MX2NNHAXSNOLL2ZSNCYN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5NYJI7MX2NNHAXSNOLL2ZSNCYN/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":"2026-05-27T16:09:15Z","links":{"resolver":"https://pith.science/pith/5NYJI7MX2NNHAXSNOLL2ZSNCYN","bundle":"https://pith.science/pith/5NYJI7MX2NNHAXSNOLL2ZSNCYN/bundle.json","state":"https://pith.science/pith/5NYJI7MX2NNHAXSNOLL2ZSNCYN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5NYJI7MX2NNHAXSNOLL2ZSNCYN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:5NYJI7MX2NNHAXSNOLL2ZSNCYN","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":"3d4b5c24de9b5fe2d3136c9b69987b77c93a5344417fd09bc9c109feadc49918","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-12-12T00:21:46Z","title_canon_sha256":"0b7028fc38972f7ef8f426071bcc7b1d7828c9b89179714775026122820e995e"},"schema_version":"1.0","source":{"id":"1612.03506","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.03506","created_at":"2026-05-18T00:52:37Z"},{"alias_kind":"arxiv_version","alias_value":"1612.03506v1","created_at":"2026-05-18T00:52:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.03506","created_at":"2026-05-18T00:52:37Z"},{"alias_kind":"pith_short_12","alias_value":"5NYJI7MX2NNH","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5NYJI7MX2NNHAXSN","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5NYJI7MX","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:537fb7e2a477a7e63903ceaab33d75801057c9bf6a6cdd9bb8bcd3cad1b412a2","target":"graph","created_at":"2026-05-18T00:52:37Z","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":"The dynamic range of the XMM-Newton Optical Monitor (XMM-OM) is limited at the bright end by coincidence loss, the superposition of multiple photons in the individual frames recorded from its micro-channel-plate (MCP) intensified charge-coupled device (CCD) detector. One way to overcome this limitation is to use photons that arrive during the frame transfer of the CCD, forming vertical read-out streaks for bright sources. We calibrate these read-out streaks for photometry of bright sources observed with XMM-OM. The bright source limit for read-out streak photometry is set by the recharge time ","authors_text":"A.A. Breeveld, A. Talavera, B. Hancock, M. Carter, M.J. Page, N. Chan, N.P.M. Kuin, P.J. Smith, T. Kennedy, V. Yershov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-12-12T00:21:46Z","title":"The calibration of read-out-streak photometry in the XMM-Newton Optical Monitor and the construction of a bright-source catalogue"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.03506","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":"sha256:1592378f774172a19df808baed908d105f8b560dd7333ff45d4a5a359bbe70f0","target":"record","created_at":"2026-05-18T00:52:37Z","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":"3d4b5c24de9b5fe2d3136c9b69987b77c93a5344417fd09bc9c109feadc49918","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-12-12T00:21:46Z","title_canon_sha256":"0b7028fc38972f7ef8f426071bcc7b1d7828c9b89179714775026122820e995e"},"schema_version":"1.0","source":{"id":"1612.03506","kind":"arxiv","version":1}},"canonical_sha256":"eb70947d97d35a705e4d72d7acc9a2c364952061d36c950ba3d5ce5d7aa47934","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb70947d97d35a705e4d72d7acc9a2c364952061d36c950ba3d5ce5d7aa47934","first_computed_at":"2026-05-18T00:52:37.288499Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:37.288499Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6bOE078NAcbcbPWz52zrVgJT79rv+CBrQ/LIsl2LaxJiXGUMRC25gLHKiT74ftFMeFIiEkGraxhD7tQigY4IAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:37.288972Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.03506","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1592378f774172a19df808baed908d105f8b560dd7333ff45d4a5a359bbe70f0","sha256:537fb7e2a477a7e63903ceaab33d75801057c9bf6a6cdd9bb8bcd3cad1b412a2"],"state_sha256":"167ab7e97813641be340006f9666711cb55788c01f1d7c9a235e36cb722e9a22"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C/BFLbb4+RKS52A3lV5JPeUfmgtfLnYtpQh3ut0s/OYw/xBueIiiPCRIt9A7V+i/jIthT0e24MkINo37UTM9Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T16:09:15.140399Z","bundle_sha256":"d4942bc805ad0df860b93a0e6f9b681a9c715ea1fc8c8e8ccd785cdcd3bf022e"}}