{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:C3XW7BQTOFALM5EUOGGLSHKCS5","short_pith_number":"pith:C3XW7BQT","canonical_record":{"source":{"id":"1805.03681","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-05-09T18:20:54Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"66d12ea032ccb00cb290bf5cd5df64cfc15bc47e130da4b05b897d59c02e26fc","abstract_canon_sha256":"4a2d3b087250cb1969108f60fbcc4000a88389f2c0dfc6cc3506e91ea6d74462"},"schema_version":"1.0"},"canonical_sha256":"16ef6f86137140b67494718cb91d42974391f96d79943b1d6958dd3b84ab851d","source":{"kind":"arxiv","id":"1805.03681","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.03681","created_at":"2026-05-18T00:16:19Z"},{"alias_kind":"arxiv_version","alias_value":"1805.03681v1","created_at":"2026-05-18T00:16:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.03681","created_at":"2026-05-18T00:16:19Z"},{"alias_kind":"pith_short_12","alias_value":"C3XW7BQTOFAL","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"C3XW7BQTOFALM5EU","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"C3XW7BQT","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:C3XW7BQTOFALM5EUOGGLSHKCS5","target":"record","payload":{"canonical_record":{"source":{"id":"1805.03681","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-05-09T18:20:54Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"66d12ea032ccb00cb290bf5cd5df64cfc15bc47e130da4b05b897d59c02e26fc","abstract_canon_sha256":"4a2d3b087250cb1969108f60fbcc4000a88389f2c0dfc6cc3506e91ea6d74462"},"schema_version":"1.0"},"canonical_sha256":"16ef6f86137140b67494718cb91d42974391f96d79943b1d6958dd3b84ab851d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:19.008301Z","signature_b64":"QerM/yyRRLI70cfMo9mCxfj+AQq9uqux26tGTDXifgIH0lAZ21uXzOb/wyK3EasGXvRZe4OkNsKTTXRz9oc7Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16ef6f86137140b67494718cb91d42974391f96d79943b1d6958dd3b84ab851d","last_reissued_at":"2026-05-18T00:16:19.007824Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:19.007824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.03681","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":"2026-05-18T00:16:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y9P6dPeCagluI4KbDI9m7IIoarApPDYMv/JSB9tqMy275cCXmBRuV5rFcH+Dt6TYHEaXBnxfBw9Qz5GV+ob+AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:39:49.939025Z"},"content_sha256":"3623006d1d261b3bd37750614aee243f196cd5139b6f9318e2c6fb9962661f38","schema_version":"1.0","event_id":"sha256:3623006d1d261b3bd37750614aee243f196cd5139b6f9318e2c6fb9962661f38"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:C3XW7BQTOFALM5EUOGGLSHKCS5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fourth Time's a XARM","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"Poshak Gandhi (Southampton)","submitted_at":"2018-05-09T18:20:54Z","abstract_excerpt":"Arguably, no mission changed X-ray astronomy in as short a time as did Hitomi. The planned X-ray Astronomy Recovery Mission, XARM, will carry its legacy forward."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.03681","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":"2026-05-18T00:16:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1qunXAsZFIScD4YE4r7SiZMa5rMNLpUDbaqW3aFSihk8vxC0/r05VNDWkL/JSOe5B4hwsoRqpHByqUyMcoyGCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:39:49.939680Z"},"content_sha256":"51620e0223bb0983851b0843bc2c6994b03a4076c7ca7c0d4d74c0c4fcd34ccf","schema_version":"1.0","event_id":"sha256:51620e0223bb0983851b0843bc2c6994b03a4076c7ca7c0d4d74c0c4fcd34ccf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C3XW7BQTOFALM5EUOGGLSHKCS5/bundle.json","state_url":"https://pith.science/pith/C3XW7BQTOFALM5EUOGGLSHKCS5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C3XW7BQTOFALM5EUOGGLSHKCS5/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":"2026-05-25T21:39:49Z","links":{"resolver":"https://pith.science/pith/C3XW7BQTOFALM5EUOGGLSHKCS5","bundle":"https://pith.science/pith/C3XW7BQTOFALM5EUOGGLSHKCS5/bundle.json","state":"https://pith.science/pith/C3XW7BQTOFALM5EUOGGLSHKCS5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C3XW7BQTOFALM5EUOGGLSHKCS5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:C3XW7BQTOFALM5EUOGGLSHKCS5","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":"4a2d3b087250cb1969108f60fbcc4000a88389f2c0dfc6cc3506e91ea6d74462","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-05-09T18:20:54Z","title_canon_sha256":"66d12ea032ccb00cb290bf5cd5df64cfc15bc47e130da4b05b897d59c02e26fc"},"schema_version":"1.0","source":{"id":"1805.03681","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.03681","created_at":"2026-05-18T00:16:19Z"},{"alias_kind":"arxiv_version","alias_value":"1805.03681v1","created_at":"2026-05-18T00:16:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.03681","created_at":"2026-05-18T00:16:19Z"},{"alias_kind":"pith_short_12","alias_value":"C3XW7BQTOFAL","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"C3XW7BQTOFALM5EU","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"C3XW7BQT","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:51620e0223bb0983851b0843bc2c6994b03a4076c7ca7c0d4d74c0c4fcd34ccf","target":"graph","created_at":"2026-05-18T00:16:19Z","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":"Arguably, no mission changed X-ray astronomy in as short a time as did Hitomi. The planned X-ray Astronomy Recovery Mission, XARM, will carry its legacy forward.","authors_text":"Poshak Gandhi (Southampton)","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-05-09T18:20:54Z","title":"Fourth Time's a XARM"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.03681","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":"sha256:3623006d1d261b3bd37750614aee243f196cd5139b6f9318e2c6fb9962661f38","target":"record","created_at":"2026-05-18T00:16:19Z","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":"4a2d3b087250cb1969108f60fbcc4000a88389f2c0dfc6cc3506e91ea6d74462","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-05-09T18:20:54Z","title_canon_sha256":"66d12ea032ccb00cb290bf5cd5df64cfc15bc47e130da4b05b897d59c02e26fc"},"schema_version":"1.0","source":{"id":"1805.03681","kind":"arxiv","version":1}},"canonical_sha256":"16ef6f86137140b67494718cb91d42974391f96d79943b1d6958dd3b84ab851d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"16ef6f86137140b67494718cb91d42974391f96d79943b1d6958dd3b84ab851d","first_computed_at":"2026-05-18T00:16:19.007824Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:19.007824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QerM/yyRRLI70cfMo9mCxfj+AQq9uqux26tGTDXifgIH0lAZ21uXzOb/wyK3EasGXvRZe4OkNsKTTXRz9oc7Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:19.008301Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.03681","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3623006d1d261b3bd37750614aee243f196cd5139b6f9318e2c6fb9962661f38","sha256:51620e0223bb0983851b0843bc2c6994b03a4076c7ca7c0d4d74c0c4fcd34ccf"],"state_sha256":"b947bed64bec7fe755b686e7e996e456b4637472951b60c7ae09bece4dde348d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wX3zwnSilzP+OetAQReKdE+djYOSet50tG2t3lcelG9FNbTNazuSGh7MQWZOCagdgqum1T2ZO2TeRTegg5aDDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:39:49.943201Z","bundle_sha256":"cb0e51e590c1d28152d44a9abeca5f355a1d87fd27d3db9374c3ad8da72a5a59"}}