{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:ZNHGIEWIY4MLFYBO4ZJUPYOLA5","short_pith_number":"pith:ZNHGIEWI","canonical_record":{"source":{"id":"0710.4602","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-10-25T02:16:37Z","cross_cats_sorted":[],"title_canon_sha256":"f9a829db504d33a81376fe7fbd59d847121ee09b1042c8c89b052b0699b334e0","abstract_canon_sha256":"68854f2a7a8d9c90627d34bb5e01a6506e24f25aca2fa0a86ffb273ae8b0199b"},"schema_version":"1.0"},"canonical_sha256":"cb4e6412c8c718b2e02ee65347e1cb0745e64e80e2bb37dca4532edde50caac0","source":{"kind":"arxiv","id":"0710.4602","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.4602","created_at":"2026-07-04T17:06:23Z"},{"alias_kind":"arxiv_version","alias_value":"0710.4602v1","created_at":"2026-07-04T17:06:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.4602","created_at":"2026-07-04T17:06:23Z"},{"alias_kind":"pith_short_12","alias_value":"ZNHGIEWIY4ML","created_at":"2026-07-04T17:06:23Z"},{"alias_kind":"pith_short_16","alias_value":"ZNHGIEWIY4MLFYBO","created_at":"2026-07-04T17:06:23Z"},{"alias_kind":"pith_short_8","alias_value":"ZNHGIEWI","created_at":"2026-07-04T17:06:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:ZNHGIEWIY4MLFYBO4ZJUPYOLA5","target":"record","payload":{"canonical_record":{"source":{"id":"0710.4602","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-10-25T02:16:37Z","cross_cats_sorted":[],"title_canon_sha256":"f9a829db504d33a81376fe7fbd59d847121ee09b1042c8c89b052b0699b334e0","abstract_canon_sha256":"68854f2a7a8d9c90627d34bb5e01a6506e24f25aca2fa0a86ffb273ae8b0199b"},"schema_version":"1.0"},"canonical_sha256":"cb4e6412c8c718b2e02ee65347e1cb0745e64e80e2bb37dca4532edde50caac0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:06:23.336014Z","signature_b64":"ZeTbofhcNXWS53aiBfu9lAS2wBdyTcCttDNuwvcKSLnEOmrsawVoh9uVyzk+aDlLlVHu+IptnJkwAOcbLAZMCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb4e6412c8c718b2e02ee65347e1cb0745e64e80e2bb37dca4532edde50caac0","last_reissued_at":"2026-07-04T17:06:23.335628Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:06:23.335628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0710.4602","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":"2026-07-04T17:06:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+ZrhJLRKuqRoaR057sdVF7luVUNwznID4zpxu2FPpv6/O30Gz6hNdL6DkCrji/hK4GooYgbfwz1qH+MZPIxWDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:03:58.461468Z"},"content_sha256":"eab971a10e96421c1ef3df3182fbe33e205ac9e31c06ca037d32fefc25de5d64","schema_version":"1.0","event_id":"sha256:eab971a10e96421c1ef3df3182fbe33e205ac9e31c06ca037d32fefc25de5d64"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:ZNHGIEWIY4MLFYBO4ZJUPYOLA5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"EXIST's Gamma-Ray Burst Sensitivity","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Garson III, D. H. Hartmann, D. L. Band, G. Fishman, G. Skinner, H. Krawczynski, J. E. Grindlay, J. Hong, N. Gehrels, S. Barthelmy","submitted_at":"2007-10-25T02:16:37Z","abstract_excerpt":"We use semi-analytic techniques to evaluate the burst sensitivity of designs for the EXIST hard X-ray survey mission. Applying these techniques to the mission design proposed for the Beyond Einstein program, we find that with its very large field-of-view and faint gamma-ray burst detection threshold, EXIST will detect and localize approximately two bursts per day, a large fraction of which may be at high redshift. We estimate that EXIST's maximum sensitivity will be ~4 times greater than that of Swift's Burst Alert Telescope. Bursts will be localized to better than 40 arcsec at threshold, with"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.4602","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/0710.4602/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":"2026-07-04T17:06:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/FB/cgxos9MvwV9dWeFBpa4ZDgYVIx2bS2AiO0V5GpBNPk8GWbJ9d/s5ylOcqdDNp0QdFyaozuKHS8CuMNB7DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:03:58.462076Z"},"content_sha256":"f785e2c25326a4486e86e05d82807b64a201c154ec2c5728737f6a208ab5fafa","schema_version":"1.0","event_id":"sha256:f785e2c25326a4486e86e05d82807b64a201c154ec2c5728737f6a208ab5fafa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZNHGIEWIY4MLFYBO4ZJUPYOLA5/bundle.json","state_url":"https://pith.science/pith/ZNHGIEWIY4MLFYBO4ZJUPYOLA5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZNHGIEWIY4MLFYBO4ZJUPYOLA5/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":"2026-07-05T15:03:58Z","links":{"resolver":"https://pith.science/pith/ZNHGIEWIY4MLFYBO4ZJUPYOLA5","bundle":"https://pith.science/pith/ZNHGIEWIY4MLFYBO4ZJUPYOLA5/bundle.json","state":"https://pith.science/pith/ZNHGIEWIY4MLFYBO4ZJUPYOLA5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZNHGIEWIY4MLFYBO4ZJUPYOLA5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:ZNHGIEWIY4MLFYBO4ZJUPYOLA5","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":"68854f2a7a8d9c90627d34bb5e01a6506e24f25aca2fa0a86ffb273ae8b0199b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-10-25T02:16:37Z","title_canon_sha256":"f9a829db504d33a81376fe7fbd59d847121ee09b1042c8c89b052b0699b334e0"},"schema_version":"1.0","source":{"id":"0710.4602","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.4602","created_at":"2026-07-04T17:06:23Z"},{"alias_kind":"arxiv_version","alias_value":"0710.4602v1","created_at":"2026-07-04T17:06:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.4602","created_at":"2026-07-04T17:06:23Z"},{"alias_kind":"pith_short_12","alias_value":"ZNHGIEWIY4ML","created_at":"2026-07-04T17:06:23Z"},{"alias_kind":"pith_short_16","alias_value":"ZNHGIEWIY4MLFYBO","created_at":"2026-07-04T17:06:23Z"},{"alias_kind":"pith_short_8","alias_value":"ZNHGIEWI","created_at":"2026-07-04T17:06:23Z"}],"graph_snapshots":[{"event_id":"sha256:f785e2c25326a4486e86e05d82807b64a201c154ec2c5728737f6a208ab5fafa","target":"graph","created_at":"2026-07-04T17:06:23Z","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/0710.4602/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We use semi-analytic techniques to evaluate the burst sensitivity of designs for the EXIST hard X-ray survey mission. Applying these techniques to the mission design proposed for the Beyond Einstein program, we find that with its very large field-of-view and faint gamma-ray burst detection threshold, EXIST will detect and localize approximately two bursts per day, a large fraction of which may be at high redshift. We estimate that EXIST's maximum sensitivity will be ~4 times greater than that of Swift's Burst Alert Telescope. Bursts will be localized to better than 40 arcsec at threshold, with","authors_text":"A. Garson III, D. H. Hartmann, D. L. Band, G. Fishman, G. Skinner, H. Krawczynski, J. E. Grindlay, J. Hong, N. Gehrels, S. Barthelmy","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-10-25T02:16:37Z","title":"EXIST's Gamma-Ray Burst Sensitivity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.4602","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:eab971a10e96421c1ef3df3182fbe33e205ac9e31c06ca037d32fefc25de5d64","target":"record","created_at":"2026-07-04T17:06:23Z","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":"68854f2a7a8d9c90627d34bb5e01a6506e24f25aca2fa0a86ffb273ae8b0199b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-10-25T02:16:37Z","title_canon_sha256":"f9a829db504d33a81376fe7fbd59d847121ee09b1042c8c89b052b0699b334e0"},"schema_version":"1.0","source":{"id":"0710.4602","kind":"arxiv","version":1}},"canonical_sha256":"cb4e6412c8c718b2e02ee65347e1cb0745e64e80e2bb37dca4532edde50caac0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cb4e6412c8c718b2e02ee65347e1cb0745e64e80e2bb37dca4532edde50caac0","first_computed_at":"2026-07-04T17:06:23.335628Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:06:23.335628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZeTbofhcNXWS53aiBfu9lAS2wBdyTcCttDNuwvcKSLnEOmrsawVoh9uVyzk+aDlLlVHu+IptnJkwAOcbLAZMCA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:06:23.336014Z","signed_message":"canonical_sha256_bytes"},"source_id":"0710.4602","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eab971a10e96421c1ef3df3182fbe33e205ac9e31c06ca037d32fefc25de5d64","sha256:f785e2c25326a4486e86e05d82807b64a201c154ec2c5728737f6a208ab5fafa"],"state_sha256":"74fc8d6f5a38783529bdd1f89b2073d5ae754911633830629b48599c81d06382"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"thS2jeVbmc1Zxma+4FWHAfQ2QWc/98nt8YC3i3rxRLLO3NlZl+DgwSC1s2fQBnstNXOQlFpKe3ZGM6xP8teSCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:03:58.464993Z","bundle_sha256":"6b16d24ec6a6a69676a01b585ce44be8c3713e4ce45ba4fb21ff8bd3a3665309"}}