{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:2ZKXNZIB34ZWAFFIBDL477ZVXE","short_pith_number":"pith:2ZKXNZIB","canonical_record":{"source":{"id":"1203.1700","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-08T07:31:57Z","cross_cats_sorted":[],"title_canon_sha256":"82177a1e96539f4b75ed0b222173cb0929ea9928c35108e7dfc6d6a680536695","abstract_canon_sha256":"6dd297f0c6791fdd73cbe95b54dac4e25ca1d5fb01f7f5a73db02c9aa97f9dbb"},"schema_version":"1.0"},"canonical_sha256":"d65576e501df336014a808d7cfff35b92859209c623ef341a094ccf37815134b","source":{"kind":"arxiv","id":"1203.1700","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.1700","created_at":"2026-05-18T01:58:13Z"},{"alias_kind":"arxiv_version","alias_value":"1203.1700v4","created_at":"2026-05-18T01:58:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.1700","created_at":"2026-05-18T01:58:13Z"},{"alias_kind":"pith_short_12","alias_value":"2ZKXNZIB34ZW","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2ZKXNZIB34ZWAFFI","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2ZKXNZIB","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:2ZKXNZIB34ZWAFFIBDL477ZVXE","target":"record","payload":{"canonical_record":{"source":{"id":"1203.1700","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-08T07:31:57Z","cross_cats_sorted":[],"title_canon_sha256":"82177a1e96539f4b75ed0b222173cb0929ea9928c35108e7dfc6d6a680536695","abstract_canon_sha256":"6dd297f0c6791fdd73cbe95b54dac4e25ca1d5fb01f7f5a73db02c9aa97f9dbb"},"schema_version":"1.0"},"canonical_sha256":"d65576e501df336014a808d7cfff35b92859209c623ef341a094ccf37815134b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:13.153278Z","signature_b64":"3LzaC4jQRZ5u4IiY1dUkkOGwwUSorYcLrLQ5+yDDyg5JxUi0bShE0rcZz824BGRLjnfE/JuDmcswSYmnzYIwDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d65576e501df336014a808d7cfff35b92859209c623ef341a094ccf37815134b","last_reissued_at":"2026-05-18T01:58:13.152549Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:13.152549Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.1700","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:58:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+AvquZm12Q2D99SaC7NlULnPhhyY4PGLhyBJ+VBOnmOtNI5LL+7mTjGndftWfxaOiKZMon/MiOBGjmfASbzNDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:05:52.824867Z"},"content_sha256":"03d89850e8131fdb53296574c9436e1d0e0f3b84a6b0b48b182b1457c5cfa1c8","schema_version":"1.0","event_id":"sha256:03d89850e8131fdb53296574c9436e1d0e0f3b84a6b0b48b182b1457c5cfa1c8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:2ZKXNZIB34ZWAFFIBDL477ZVXE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Suzaku observations of the Hydra A cluster out to the virial radius","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Eri Sakuma, Kazuhiro Nakazawa, Kazuya Ichikawa, Kosuke Sato, Kyoko Matsushita, Madoka Kawaharada, Motokazu Takizawa, Naomi Ota, Nobuhiro Okabe, Takaya Ohashi, Takayuki Tamura, Takuya Sato, Toru Sasaki, Yasushi Fukazawa, Yutaka Fujita","submitted_at":"2012-03-08T07:31:57Z","abstract_excerpt":"We report Suzaku observations of the northern half of the Hydra A cluster out to ~1.4 Mpc, reaching the virial radius. This is the first Suzaku observations of a medium-size (kT ~3 keV) cluster out to the virial radius. Two observations were conducted, north-west and north-east offsets, which continue in a filament direction and a void direction of the large-scale structure of the Universe, respectively. The X-ray emission and distribution of galaxies elongate in the filament direction. The temperature profiles in the two directions are mostly consistent with each other within the error bars a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.1700","kind":"arxiv","version":4},"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":"2026-05-18T01:58:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w0L6oIaKzg9lycg/tK0mAAPv4sBDzGAweTJPSdjlCQ0hGQiB7h9bHWE8jvUm312quQKEytV2E1pk/PfglECRAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:05:52.825241Z"},"content_sha256":"058dde44ae017141dbd1c06c4c583d1c26c2afedfaf4448f265ebee56ced3ae5","schema_version":"1.0","event_id":"sha256:058dde44ae017141dbd1c06c4c583d1c26c2afedfaf4448f265ebee56ced3ae5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2ZKXNZIB34ZWAFFIBDL477ZVXE/bundle.json","state_url":"https://pith.science/pith/2ZKXNZIB34ZWAFFIBDL477ZVXE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2ZKXNZIB34ZWAFFIBDL477ZVXE/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":"2026-05-27T18:05:52Z","links":{"resolver":"https://pith.science/pith/2ZKXNZIB34ZWAFFIBDL477ZVXE","bundle":"https://pith.science/pith/2ZKXNZIB34ZWAFFIBDL477ZVXE/bundle.json","state":"https://pith.science/pith/2ZKXNZIB34ZWAFFIBDL477ZVXE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2ZKXNZIB34ZWAFFIBDL477ZVXE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:2ZKXNZIB34ZWAFFIBDL477ZVXE","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":"6dd297f0c6791fdd73cbe95b54dac4e25ca1d5fb01f7f5a73db02c9aa97f9dbb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-08T07:31:57Z","title_canon_sha256":"82177a1e96539f4b75ed0b222173cb0929ea9928c35108e7dfc6d6a680536695"},"schema_version":"1.0","source":{"id":"1203.1700","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.1700","created_at":"2026-05-18T01:58:13Z"},{"alias_kind":"arxiv_version","alias_value":"1203.1700v4","created_at":"2026-05-18T01:58:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.1700","created_at":"2026-05-18T01:58:13Z"},{"alias_kind":"pith_short_12","alias_value":"2ZKXNZIB34ZW","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2ZKXNZIB34ZWAFFI","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2ZKXNZIB","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:058dde44ae017141dbd1c06c4c583d1c26c2afedfaf4448f265ebee56ced3ae5","target":"graph","created_at":"2026-05-18T01:58:13Z","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":"We report Suzaku observations of the northern half of the Hydra A cluster out to ~1.4 Mpc, reaching the virial radius. This is the first Suzaku observations of a medium-size (kT ~3 keV) cluster out to the virial radius. Two observations were conducted, north-west and north-east offsets, which continue in a filament direction and a void direction of the large-scale structure of the Universe, respectively. The X-ray emission and distribution of galaxies elongate in the filament direction. The temperature profiles in the two directions are mostly consistent with each other within the error bars a","authors_text":"Eri Sakuma, Kazuhiro Nakazawa, Kazuya Ichikawa, Kosuke Sato, Kyoko Matsushita, Madoka Kawaharada, Motokazu Takizawa, Naomi Ota, Nobuhiro Okabe, Takaya Ohashi, Takayuki Tamura, Takuya Sato, Toru Sasaki, Yasushi Fukazawa, Yutaka Fujita","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-08T07:31:57Z","title":"Suzaku observations of the Hydra A cluster out to the virial radius"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.1700","kind":"arxiv","version":4},"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":"sha256:03d89850e8131fdb53296574c9436e1d0e0f3b84a6b0b48b182b1457c5cfa1c8","target":"record","created_at":"2026-05-18T01:58:13Z","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":"6dd297f0c6791fdd73cbe95b54dac4e25ca1d5fb01f7f5a73db02c9aa97f9dbb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-08T07:31:57Z","title_canon_sha256":"82177a1e96539f4b75ed0b222173cb0929ea9928c35108e7dfc6d6a680536695"},"schema_version":"1.0","source":{"id":"1203.1700","kind":"arxiv","version":4}},"canonical_sha256":"d65576e501df336014a808d7cfff35b92859209c623ef341a094ccf37815134b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d65576e501df336014a808d7cfff35b92859209c623ef341a094ccf37815134b","first_computed_at":"2026-05-18T01:58:13.152549Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:13.152549Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3LzaC4jQRZ5u4IiY1dUkkOGwwUSorYcLrLQ5+yDDyg5JxUi0bShE0rcZz824BGRLjnfE/JuDmcswSYmnzYIwDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:13.153278Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.1700","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:03d89850e8131fdb53296574c9436e1d0e0f3b84a6b0b48b182b1457c5cfa1c8","sha256:058dde44ae017141dbd1c06c4c583d1c26c2afedfaf4448f265ebee56ced3ae5"],"state_sha256":"fd51865d628f7d70e3afcb110abaf4e79d913dd37b4eced86fc82d639832957b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mtnvIS23tWOk0tyUoDBZebFIAdgfeko5VT9SLMGEL9UATBoQ4JNrj+7+1iPDi/KIlPYEvrr+kpCBxf5bjTkKAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:05:52.827441Z","bundle_sha256":"e555967894a076f83a13aef43304095fb7dd85ab960b18d68e7a8f75290b5038"}}