{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:FRMRO3NGH3YFFEMPLTZRJAJYZQ","short_pith_number":"pith:FRMRO3NG","canonical_record":{"source":{"id":"1702.02157","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-07T19:00:24Z","cross_cats_sorted":[],"title_canon_sha256":"40376f13538a3cac1c166faa766c387e0d5e4be1be9bda3fc4a417d8228a6ecd","abstract_canon_sha256":"974469a50446458b0e10390a6f24d29c6c884694ca2af683c4ca87be02cdf781"},"schema_version":"1.0"},"canonical_sha256":"2c59176da63ef052918f5cf3148138cc3057837553971300c5ef2e4c3be6ed5f","source":{"kind":"arxiv","id":"1702.02157","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.02157","created_at":"2026-05-18T00:23:21Z"},{"alias_kind":"arxiv_version","alias_value":"1702.02157v1","created_at":"2026-05-18T00:23:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02157","created_at":"2026-05-18T00:23:21Z"},{"alias_kind":"pith_short_12","alias_value":"FRMRO3NGH3YF","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FRMRO3NGH3YFFEMP","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FRMRO3NG","created_at":"2026-05-18T12:31:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:FRMRO3NGH3YFFEMPLTZRJAJYZQ","target":"record","payload":{"canonical_record":{"source":{"id":"1702.02157","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-07T19:00:24Z","cross_cats_sorted":[],"title_canon_sha256":"40376f13538a3cac1c166faa766c387e0d5e4be1be9bda3fc4a417d8228a6ecd","abstract_canon_sha256":"974469a50446458b0e10390a6f24d29c6c884694ca2af683c4ca87be02cdf781"},"schema_version":"1.0"},"canonical_sha256":"2c59176da63ef052918f5cf3148138cc3057837553971300c5ef2e4c3be6ed5f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:21.453725Z","signature_b64":"vOOx4lUW0QGG+4xa6UrdbRpi39F3FKyN6loYzRCgpyWREGMZBdyUj0WVLYpMYPNd1JW+am8kyrF9GrRzmo6yAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c59176da63ef052918f5cf3148138cc3057837553971300c5ef2e4c3be6ed5f","last_reissued_at":"2026-05-18T00:23:21.453066Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:21.453066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.02157","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":"2026-05-18T00:23:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t3Pg1nNSIRFYDvydCIdvjsObQkLcJJFnqSHvyzoqR53TVV2KaQtodYgtuacGHlLaBBdeKapReSBBpLzBSxmDDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:08:23.687623Z"},"content_sha256":"ab01f5bd24b0286e05964aecb19afb5807df7acde9dc82bb77390f150ccb960e","schema_version":"1.0","event_id":"sha256:ab01f5bd24b0286e05964aecb19afb5807df7acde9dc82bb77390f150ccb960e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:FRMRO3NGH3YFFEMPLTZRJAJYZQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Search for WHIM around A2744 using Suzaku","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alexis Finoguenov, Hiroki Akamatsu, Naomi Ota, Shiho Hattori, Yu-Ying Zhang","submitted_at":"2017-02-07T19:00:24Z","abstract_excerpt":"We present the results from the Suzaku satellite of the surrounding region of a galaxy cluster, A2744, at $z=0.3$. To search for oxygen emission lines from the warm-hot intergalactic medium (WHIM), we analyzed X-ray spectra from two northeast regions 2.2-3.3 and 3.3-4.4 Mpc from the center of the cluster, which offers the first test on the presence of a WHIM near the typical accretion shock radius ($\\sim 2r_{200}$) predicted by hydrodynamical simulations. For the 2.2-3.3 Mpc region, the spectral fit significantly (99.2% significance) improved when we include OVII and OVIII lines in the spectra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02157","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":"2026-05-18T00:23:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ygxcnV7nD0HLG/uX3CUtKok4MFexrKzmFPJpjZWXXFOL3XumwxYd0Xnmn/IzUThc5PUWC4624kwgeVSiDX8bCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:08:23.688245Z"},"content_sha256":"d843d5e425fc1fdac984cda5bd99a040ef3d589306516cfc26980f894c51554c","schema_version":"1.0","event_id":"sha256:d843d5e425fc1fdac984cda5bd99a040ef3d589306516cfc26980f894c51554c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FRMRO3NGH3YFFEMPLTZRJAJYZQ/bundle.json","state_url":"https://pith.science/pith/FRMRO3NGH3YFFEMPLTZRJAJYZQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FRMRO3NGH3YFFEMPLTZRJAJYZQ/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":"2026-05-27T15:08:23Z","links":{"resolver":"https://pith.science/pith/FRMRO3NGH3YFFEMPLTZRJAJYZQ","bundle":"https://pith.science/pith/FRMRO3NGH3YFFEMPLTZRJAJYZQ/bundle.json","state":"https://pith.science/pith/FRMRO3NGH3YFFEMPLTZRJAJYZQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FRMRO3NGH3YFFEMPLTZRJAJYZQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:FRMRO3NGH3YFFEMPLTZRJAJYZQ","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":"974469a50446458b0e10390a6f24d29c6c884694ca2af683c4ca87be02cdf781","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-07T19:00:24Z","title_canon_sha256":"40376f13538a3cac1c166faa766c387e0d5e4be1be9bda3fc4a417d8228a6ecd"},"schema_version":"1.0","source":{"id":"1702.02157","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.02157","created_at":"2026-05-18T00:23:21Z"},{"alias_kind":"arxiv_version","alias_value":"1702.02157v1","created_at":"2026-05-18T00:23:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02157","created_at":"2026-05-18T00:23:21Z"},{"alias_kind":"pith_short_12","alias_value":"FRMRO3NGH3YF","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"FRMRO3NGH3YFFEMP","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"FRMRO3NG","created_at":"2026-05-18T12:31:15Z"}],"graph_snapshots":[{"event_id":"sha256:d843d5e425fc1fdac984cda5bd99a040ef3d589306516cfc26980f894c51554c","target":"graph","created_at":"2026-05-18T00:23:21Z","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 present the results from the Suzaku satellite of the surrounding region of a galaxy cluster, A2744, at $z=0.3$. To search for oxygen emission lines from the warm-hot intergalactic medium (WHIM), we analyzed X-ray spectra from two northeast regions 2.2-3.3 and 3.3-4.4 Mpc from the center of the cluster, which offers the first test on the presence of a WHIM near the typical accretion shock radius ($\\sim 2r_{200}$) predicted by hydrodynamical simulations. For the 2.2-3.3 Mpc region, the spectral fit significantly (99.2% significance) improved when we include OVII and OVIII lines in the spectra","authors_text":"Alexis Finoguenov, Hiroki Akamatsu, Naomi Ota, Shiho Hattori, Yu-Ying Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-07T19:00:24Z","title":"Search for WHIM around A2744 using Suzaku"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02157","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:ab01f5bd24b0286e05964aecb19afb5807df7acde9dc82bb77390f150ccb960e","target":"record","created_at":"2026-05-18T00:23:21Z","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":"974469a50446458b0e10390a6f24d29c6c884694ca2af683c4ca87be02cdf781","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-02-07T19:00:24Z","title_canon_sha256":"40376f13538a3cac1c166faa766c387e0d5e4be1be9bda3fc4a417d8228a6ecd"},"schema_version":"1.0","source":{"id":"1702.02157","kind":"arxiv","version":1}},"canonical_sha256":"2c59176da63ef052918f5cf3148138cc3057837553971300c5ef2e4c3be6ed5f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2c59176da63ef052918f5cf3148138cc3057837553971300c5ef2e4c3be6ed5f","first_computed_at":"2026-05-18T00:23:21.453066Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:23:21.453066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vOOx4lUW0QGG+4xa6UrdbRpi39F3FKyN6loYzRCgpyWREGMZBdyUj0WVLYpMYPNd1JW+am8kyrF9GrRzmo6yAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:23:21.453725Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.02157","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab01f5bd24b0286e05964aecb19afb5807df7acde9dc82bb77390f150ccb960e","sha256:d843d5e425fc1fdac984cda5bd99a040ef3d589306516cfc26980f894c51554c"],"state_sha256":"5d57600dd8770d9a9d35b92a705a803eaedd4be0ae8aaa215872c3ac6559a76f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"feldkVdaKIkXgz1YOl7wS5JY9t6t1mFO5UsHhdOMGt7sSb7KSWgY91lQfYPDZw2lapV8BaGzbRQnA/ObnK4TAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T15:08:23.691449Z","bundle_sha256":"20ae51a1e3bd4d41a883e97941051fe89f76d7b5b093247a6c05a384f5fc96f5"}}