{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:BJY6NLUNQOVFNYOGSPO5LW2VR2","short_pith_number":"pith:BJY6NLUN","canonical_record":{"source":{"id":"1807.11175","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-07-30T05:12:03Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"4b4d55c073b26dde77cead81583eba425c3d763962b1612f58242c7f684556a9","abstract_canon_sha256":"1f21a214ed430df7785e7a5b0e93ffe65b8fee4237ac25aca57163114b82ab97"},"schema_version":"1.0"},"canonical_sha256":"0a71e6ae8d83aa56e1c693ddd5db558eac9165af2456232e0073070dc2ce4d25","source":{"kind":"arxiv","id":"1807.11175","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.11175","created_at":"2026-05-18T00:09:32Z"},{"alias_kind":"arxiv_version","alias_value":"1807.11175v1","created_at":"2026-05-18T00:09:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.11175","created_at":"2026-05-18T00:09:32Z"},{"alias_kind":"pith_short_12","alias_value":"BJY6NLUNQOVF","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"BJY6NLUNQOVFNYOG","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"BJY6NLUN","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:BJY6NLUNQOVFNYOGSPO5LW2VR2","target":"record","payload":{"canonical_record":{"source":{"id":"1807.11175","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-07-30T05:12:03Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"4b4d55c073b26dde77cead81583eba425c3d763962b1612f58242c7f684556a9","abstract_canon_sha256":"1f21a214ed430df7785e7a5b0e93ffe65b8fee4237ac25aca57163114b82ab97"},"schema_version":"1.0"},"canonical_sha256":"0a71e6ae8d83aa56e1c693ddd5db558eac9165af2456232e0073070dc2ce4d25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:32.744530Z","signature_b64":"Mi4qIvVpRa/13ryOwMExa4ljo60lf550Y+dJ8y+9sb490oF2yl5yPTPweCQWN5voB841wbysh+ntOYVdxK4xDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a71e6ae8d83aa56e1c693ddd5db558eac9165af2456232e0073070dc2ce4d25","last_reissued_at":"2026-05-18T00:09:32.744138Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:32.744138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.11175","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":"2026-05-18T00:09:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uNy8MxgCbB/LX7+McQNCkB5OiNmFd1a8dlUbld6Q9/jCU71oaKpDgTVyjATEKyPy2foltGnH6st1X8auoFk5Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T18:02:26.911232Z"},"content_sha256":"8105b3b8477c466399cad549a0b1220acd4c668b5e6e318baebbe34c9887a3e8","schema_version":"1.0","event_id":"sha256:8105b3b8477c466399cad549a0b1220acd4c668b5e6e318baebbe34c9887a3e8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:BJY6NLUNQOVFNYOGSPO5LW2VR2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The FORCE mission : Science aim and instrument parameter for broadband X-ray imaging spectroscopy with good angular resolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"Hironori Matsumoto, Hiroshi Murakami, Hiroshi Tsunemi, Hisamitsu Awaki, Kazuhiro Nakazawa, Koji Mori, Manabu Ishida, Tadayuki Takahashi, Takashi Okajima, Takeshi G. Tsuru, William W. Zhang, Yasushi Fukazawa, Yoshihiro Ueda","submitted_at":"2018-07-30T05:12:03Z","abstract_excerpt":"FORCE is a 1.2 tonnes small mission dedicated for wide-band fine-imaging x-ray observation. It covers from 1 to 80 keV with a good angular resolution of $15\"$ half-power-diameter. It is proposed to be launched around mid-2020s and designed to reach a limiting sensitivity as good as $F_X (10-40~{\\rm keV}) = 3 \\times 10^{-15}$~erg cm$^{-2}$ s$^{-1}$ keV$^{-1}$ within 1~Ms. This number is one order of magnitude better than current best one. With its high-sensitivity wide-band coverage, FORCE will probe the new science field of \"missing BHs\", searching for families of black holes of which populati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.11175","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":"2026-05-18T00:09:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K0pWq1AZIaACUPdU70dZanoR61YvrLGJU13UTDprD0Yfn1XJrqo1wr0Mp9DyUUjc9GNq7/baAEuf1t2pIr0qBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T18:02:26.911908Z"},"content_sha256":"da425c2288019cbdb4d0f2314f3ec4a94920197a001f04dd11f2415e4df193d7","schema_version":"1.0","event_id":"sha256:da425c2288019cbdb4d0f2314f3ec4a94920197a001f04dd11f2415e4df193d7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BJY6NLUNQOVFNYOGSPO5LW2VR2/bundle.json","state_url":"https://pith.science/pith/BJY6NLUNQOVFNYOGSPO5LW2VR2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BJY6NLUNQOVFNYOGSPO5LW2VR2/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":"2026-05-20T18:02:26Z","links":{"resolver":"https://pith.science/pith/BJY6NLUNQOVFNYOGSPO5LW2VR2","bundle":"https://pith.science/pith/BJY6NLUNQOVFNYOGSPO5LW2VR2/bundle.json","state":"https://pith.science/pith/BJY6NLUNQOVFNYOGSPO5LW2VR2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BJY6NLUNQOVFNYOGSPO5LW2VR2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:BJY6NLUNQOVFNYOGSPO5LW2VR2","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":"1f21a214ed430df7785e7a5b0e93ffe65b8fee4237ac25aca57163114b82ab97","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-07-30T05:12:03Z","title_canon_sha256":"4b4d55c073b26dde77cead81583eba425c3d763962b1612f58242c7f684556a9"},"schema_version":"1.0","source":{"id":"1807.11175","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.11175","created_at":"2026-05-18T00:09:32Z"},{"alias_kind":"arxiv_version","alias_value":"1807.11175v1","created_at":"2026-05-18T00:09:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.11175","created_at":"2026-05-18T00:09:32Z"},{"alias_kind":"pith_short_12","alias_value":"BJY6NLUNQOVF","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"BJY6NLUNQOVFNYOG","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"BJY6NLUN","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:da425c2288019cbdb4d0f2314f3ec4a94920197a001f04dd11f2415e4df193d7","target":"graph","created_at":"2026-05-18T00:09:32Z","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":"FORCE is a 1.2 tonnes small mission dedicated for wide-band fine-imaging x-ray observation. It covers from 1 to 80 keV with a good angular resolution of $15\"$ half-power-diameter. It is proposed to be launched around mid-2020s and designed to reach a limiting sensitivity as good as $F_X (10-40~{\\rm keV}) = 3 \\times 10^{-15}$~erg cm$^{-2}$ s$^{-1}$ keV$^{-1}$ within 1~Ms. This number is one order of magnitude better than current best one. With its high-sensitivity wide-band coverage, FORCE will probe the new science field of \"missing BHs\", searching for families of black holes of which populati","authors_text":"Hironori Matsumoto, Hiroshi Murakami, Hiroshi Tsunemi, Hisamitsu Awaki, Kazuhiro Nakazawa, Koji Mori, Manabu Ishida, Tadayuki Takahashi, Takashi Okajima, Takeshi G. Tsuru, William W. Zhang, Yasushi Fukazawa, Yoshihiro Ueda","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-07-30T05:12:03Z","title":"The FORCE mission : Science aim and instrument parameter for broadband X-ray imaging spectroscopy with good angular resolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.11175","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":"sha256:8105b3b8477c466399cad549a0b1220acd4c668b5e6e318baebbe34c9887a3e8","target":"record","created_at":"2026-05-18T00:09:32Z","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":"1f21a214ed430df7785e7a5b0e93ffe65b8fee4237ac25aca57163114b82ab97","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-07-30T05:12:03Z","title_canon_sha256":"4b4d55c073b26dde77cead81583eba425c3d763962b1612f58242c7f684556a9"},"schema_version":"1.0","source":{"id":"1807.11175","kind":"arxiv","version":1}},"canonical_sha256":"0a71e6ae8d83aa56e1c693ddd5db558eac9165af2456232e0073070dc2ce4d25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a71e6ae8d83aa56e1c693ddd5db558eac9165af2456232e0073070dc2ce4d25","first_computed_at":"2026-05-18T00:09:32.744138Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:32.744138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Mi4qIvVpRa/13ryOwMExa4ljo60lf550Y+dJ8y+9sb490oF2yl5yPTPweCQWN5voB841wbysh+ntOYVdxK4xDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:32.744530Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.11175","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8105b3b8477c466399cad549a0b1220acd4c668b5e6e318baebbe34c9887a3e8","sha256:da425c2288019cbdb4d0f2314f3ec4a94920197a001f04dd11f2415e4df193d7"],"state_sha256":"ff2f5bf378bfd91b3f1325a741920b25aad8028871fbcfd2f16925af526417ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UTaAZID/LqxHtEe+vT5kW8H0hZEsuvhJpSoUuT9FFXXa7POjdaZeydfKY1qX7snw+jgF13WbVQ6JrIQAMhwjBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T18:02:26.915117Z","bundle_sha256":"782132e8c9562b69f206243fbef32d988706a2a93d6a266ca95c970935b09416"}}