{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:XNMIJ3CGSFCN3WJZKPU22ZCNST","short_pith_number":"pith:XNMIJ3CG","canonical_record":{"source":{"id":"1308.5760","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-27T06:24:09Z","cross_cats_sorted":[],"title_canon_sha256":"cb9e3b28c1c1b43a1e240b23d4b60151a654243a32957d54e31ba1e5f8ef6414","abstract_canon_sha256":"08938313afbecdbda455f36c2bdb4bf0a9de2f6ee78f46d17e62725fe3554272"},"schema_version":"1.0"},"canonical_sha256":"bb5884ec469144ddd93953e9ad644d94db5d8087777d3330027e005795c2d11f","source":{"kind":"arxiv","id":"1308.5760","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.5760","created_at":"2026-05-18T01:47:58Z"},{"alias_kind":"arxiv_version","alias_value":"1308.5760v2","created_at":"2026-05-18T01:47:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.5760","created_at":"2026-05-18T01:47:58Z"},{"alias_kind":"pith_short_12","alias_value":"XNMIJ3CGSFCN","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"XNMIJ3CGSFCN3WJZ","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"XNMIJ3CG","created_at":"2026-05-18T12:28:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:XNMIJ3CGSFCN3WJZKPU22ZCNST","target":"record","payload":{"canonical_record":{"source":{"id":"1308.5760","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-27T06:24:09Z","cross_cats_sorted":[],"title_canon_sha256":"cb9e3b28c1c1b43a1e240b23d4b60151a654243a32957d54e31ba1e5f8ef6414","abstract_canon_sha256":"08938313afbecdbda455f36c2bdb4bf0a9de2f6ee78f46d17e62725fe3554272"},"schema_version":"1.0"},"canonical_sha256":"bb5884ec469144ddd93953e9ad644d94db5d8087777d3330027e005795c2d11f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:58.165170Z","signature_b64":"k+AWUTttMKGrAaWqKzijmOUF2tPL87pnIfG5sPzFuOrI83M/DaYdw3DE01l1DLBqvDLpT3w+PG9w259iyADsBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb5884ec469144ddd93953e9ad644d94db5d8087777d3330027e005795c2d11f","last_reissued_at":"2026-05-18T01:47:58.164454Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:58.164454Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.5760","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:47:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XqOsdMaCpEIuZRmFdVZ/yVFvs8ajfvFXDaKeiNTcTjxcoanC0Y5ZQ3PO9nvyZqQhLxbn3wey7ps7jlT+V28TDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:09:54.545795Z"},"content_sha256":"2f01620e87a570c76b5de755deb805f65178bfedb07a7fe4316abd26747ad39b","schema_version":"1.0","event_id":"sha256:2f01620e87a570c76b5de755deb805f65178bfedb07a7fe4316abd26747ad39b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:XNMIJ3CGSFCN3WJZKPU22ZCNST","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multi-Wavelength Studies of Spectacular Ram Pressure Stripping of a Galaxy: Discovery of an X-ray Absorption Feature","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Kazuhiro Nakazawa, Kazuo Makishima, Liyi Gu, Masafumi Yagi, Michitoshi Yoshida, Takashi Hattori, Takuya Akahori, Yutaka Fujita","submitted_at":"2013-08-27T06:24:09Z","abstract_excerpt":"We report the detection of an X-ray absorption feature near the galaxy M86 in the Virgo cluster. The absorber has a column density of 2-3 E20 /cm^2, and its position coincides with the peak of an intracluster HI cloud which was removed from the galaxy NGC 4388 presumably by ram pressure. These results indicate that the HI cloud is located in front of M86 along the line-of-sight, and suggest that the stripping was primarily created by an interaction between NGC 4388 and the hot plasmas of the Virgo cluster, not the M86 halo. By calculating an X-ray temperature map, we further detected an X-ray "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.5760","kind":"arxiv","version":2},"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":"2026-05-18T01:47:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3AqhoRqLRgZOtPTcUOWc9gJhZ+oWa4cO72YASSA46Gs2gPEw9l9H3XT3DU7PqrxUZspcufI1Oe/Sq4EsfMlnDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:09:54.546417Z"},"content_sha256":"5d8c44b4e0938294086634ec934ea80d5b05ed243ca48fe190dd4592e4fefafd","schema_version":"1.0","event_id":"sha256:5d8c44b4e0938294086634ec934ea80d5b05ed243ca48fe190dd4592e4fefafd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XNMIJ3CGSFCN3WJZKPU22ZCNST/bundle.json","state_url":"https://pith.science/pith/XNMIJ3CGSFCN3WJZKPU22ZCNST/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XNMIJ3CGSFCN3WJZKPU22ZCNST/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":"2026-05-26T17:09:54Z","links":{"resolver":"https://pith.science/pith/XNMIJ3CGSFCN3WJZKPU22ZCNST","bundle":"https://pith.science/pith/XNMIJ3CGSFCN3WJZKPU22ZCNST/bundle.json","state":"https://pith.science/pith/XNMIJ3CGSFCN3WJZKPU22ZCNST/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XNMIJ3CGSFCN3WJZKPU22ZCNST/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:XNMIJ3CGSFCN3WJZKPU22ZCNST","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":"08938313afbecdbda455f36c2bdb4bf0a9de2f6ee78f46d17e62725fe3554272","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-27T06:24:09Z","title_canon_sha256":"cb9e3b28c1c1b43a1e240b23d4b60151a654243a32957d54e31ba1e5f8ef6414"},"schema_version":"1.0","source":{"id":"1308.5760","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.5760","created_at":"2026-05-18T01:47:58Z"},{"alias_kind":"arxiv_version","alias_value":"1308.5760v2","created_at":"2026-05-18T01:47:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.5760","created_at":"2026-05-18T01:47:58Z"},{"alias_kind":"pith_short_12","alias_value":"XNMIJ3CGSFCN","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"XNMIJ3CGSFCN3WJZ","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"XNMIJ3CG","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:5d8c44b4e0938294086634ec934ea80d5b05ed243ca48fe190dd4592e4fefafd","target":"graph","created_at":"2026-05-18T01:47:58Z","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 the detection of an X-ray absorption feature near the galaxy M86 in the Virgo cluster. The absorber has a column density of 2-3 E20 /cm^2, and its position coincides with the peak of an intracluster HI cloud which was removed from the galaxy NGC 4388 presumably by ram pressure. These results indicate that the HI cloud is located in front of M86 along the line-of-sight, and suggest that the stripping was primarily created by an interaction between NGC 4388 and the hot plasmas of the Virgo cluster, not the M86 halo. By calculating an X-ray temperature map, we further detected an X-ray ","authors_text":"Kazuhiro Nakazawa, Kazuo Makishima, Liyi Gu, Masafumi Yagi, Michitoshi Yoshida, Takashi Hattori, Takuya Akahori, Yutaka Fujita","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-27T06:24:09Z","title":"Multi-Wavelength Studies of Spectacular Ram Pressure Stripping of a Galaxy: Discovery of an X-ray Absorption Feature"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.5760","kind":"arxiv","version":2},"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":"sha256:2f01620e87a570c76b5de755deb805f65178bfedb07a7fe4316abd26747ad39b","target":"record","created_at":"2026-05-18T01:47:58Z","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":"08938313afbecdbda455f36c2bdb4bf0a9de2f6ee78f46d17e62725fe3554272","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-27T06:24:09Z","title_canon_sha256":"cb9e3b28c1c1b43a1e240b23d4b60151a654243a32957d54e31ba1e5f8ef6414"},"schema_version":"1.0","source":{"id":"1308.5760","kind":"arxiv","version":2}},"canonical_sha256":"bb5884ec469144ddd93953e9ad644d94db5d8087777d3330027e005795c2d11f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb5884ec469144ddd93953e9ad644d94db5d8087777d3330027e005795c2d11f","first_computed_at":"2026-05-18T01:47:58.164454Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:58.164454Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k+AWUTttMKGrAaWqKzijmOUF2tPL87pnIfG5sPzFuOrI83M/DaYdw3DE01l1DLBqvDLpT3w+PG9w259iyADsBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:58.165170Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.5760","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2f01620e87a570c76b5de755deb805f65178bfedb07a7fe4316abd26747ad39b","sha256:5d8c44b4e0938294086634ec934ea80d5b05ed243ca48fe190dd4592e4fefafd"],"state_sha256":"c36d0b2dd0cbb92a7380221c6656afeb72a2cd8df52b09c045524f3084f1f0b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bMrT5WPWFyiy1cIChTY+ibaZP69b71L+SZ8R3kx8CHA2f4XuPJkXYXRd27QY+Pnznw5GBGOoW7pMqI4ARObdCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T17:09:54.549237Z","bundle_sha256":"625a10b6fd03155a8a0b05fe9d77352f95744c0253939307ad80258def1b6a97"}}