{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5WHNWSP23XOMREXKQI5R5RI3SM","short_pith_number":"pith:5WHNWSP2","canonical_record":{"source":{"id":"1807.00526","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-02T08:28:14Z","cross_cats_sorted":[],"title_canon_sha256":"a124c21278f32cb9585335bdcff2c4a277106102c809d0977aded70dbb7afef5","abstract_canon_sha256":"fe27728e3173de673eceb73d49bc40121608521cf75c3308381b84be4e19cb2d"},"schema_version":"1.0"},"canonical_sha256":"ed8edb49fadddcc892ea823b1ec51b933171cf9287a8bdc40cc00c201cf93d40","source":{"kind":"arxiv","id":"1807.00526","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.00526","created_at":"2026-05-18T00:07:40Z"},{"alias_kind":"arxiv_version","alias_value":"1807.00526v1","created_at":"2026-05-18T00:07:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.00526","created_at":"2026-05-18T00:07:40Z"},{"alias_kind":"pith_short_12","alias_value":"5WHNWSP23XOM","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5WHNWSP23XOMREXK","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5WHNWSP2","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5WHNWSP23XOMREXKQI5R5RI3SM","target":"record","payload":{"canonical_record":{"source":{"id":"1807.00526","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-02T08:28:14Z","cross_cats_sorted":[],"title_canon_sha256":"a124c21278f32cb9585335bdcff2c4a277106102c809d0977aded70dbb7afef5","abstract_canon_sha256":"fe27728e3173de673eceb73d49bc40121608521cf75c3308381b84be4e19cb2d"},"schema_version":"1.0"},"canonical_sha256":"ed8edb49fadddcc892ea823b1ec51b933171cf9287a8bdc40cc00c201cf93d40","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:40.161688Z","signature_b64":"y4p0xnCOkjpWLXV6qbDMDjDWeiIF68pptq1fJ0fKqG4Nh9W7bc4gqMmybCgWwUf/swmubSLfa9OF3MIYK8iCAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed8edb49fadddcc892ea823b1ec51b933171cf9287a8bdc40cc00c201cf93d40","last_reissued_at":"2026-05-18T00:07:40.160959Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:40.160959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.00526","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":"2026-05-18T00:07:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1m2NN49kf5IApwC7qOQCgENMM+knfTLV6SjmgGt9aHATBRV3FDjC0UZ3sxWMO87Ykzap/LjWcMpzmAdVHnY3DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:58:02.150039Z"},"content_sha256":"21b21e4657a9792bc1382094ff50dfb9d43a3f56061c426effac2329c657726f","schema_version":"1.0","event_id":"sha256:21b21e4657a9792bc1382094ff50dfb9d43a3f56061c426effac2329c657726f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5WHNWSP23XOMREXKQI5R5RI3SM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time-Variability of equivalent width of 6.4 keV line from the Arches Complex: reflected X-rays or charged particles?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"C. M. Ko, D. O. Chernyshov, K. S. Cheng, R. A. Krivonos, V. A. Dogiel","submitted_at":"2018-07-02T08:28:14Z","abstract_excerpt":"Molecular gas in Arches cloud located near the Arches cluster is one of the emitters of K-$\\alpha$ line of neutral iron and X-ray continuum in the Galactic center (GC). Similarly to the cloud Sgr B2, another well-known emitter of the iron line in the GC, the Arches cloud demonstrates temporal decline of the X-ray emission. The most natural origin of this emission is irradiation of primary photons of an X-ray flare from a distant source, most likely Sgr A*. However, recent observations of the Arches cloud discovered variations of equivalent width of the 6.4 keV iron line, which indicated that t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.00526","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":"2026-05-18T00:07:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"edyIIGkf+A2aZlI3hXxuIfY8auopjvgalqNfPjPH6qZSy4MU+y7ZSufEZP99/wqZTCQxSc/hM8cce5d4Yj9DCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:58:02.150401Z"},"content_sha256":"b18e62b2d754bc069c7768ce82ab6012f7a5cb9a8e8e33b3e5e9e16cf6351e10","schema_version":"1.0","event_id":"sha256:b18e62b2d754bc069c7768ce82ab6012f7a5cb9a8e8e33b3e5e9e16cf6351e10"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5WHNWSP23XOMREXKQI5R5RI3SM/bundle.json","state_url":"https://pith.science/pith/5WHNWSP23XOMREXKQI5R5RI3SM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5WHNWSP23XOMREXKQI5R5RI3SM/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":"2026-06-05T10:58:02Z","links":{"resolver":"https://pith.science/pith/5WHNWSP23XOMREXKQI5R5RI3SM","bundle":"https://pith.science/pith/5WHNWSP23XOMREXKQI5R5RI3SM/bundle.json","state":"https://pith.science/pith/5WHNWSP23XOMREXKQI5R5RI3SM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5WHNWSP23XOMREXKQI5R5RI3SM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5WHNWSP23XOMREXKQI5R5RI3SM","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":"fe27728e3173de673eceb73d49bc40121608521cf75c3308381b84be4e19cb2d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-02T08:28:14Z","title_canon_sha256":"a124c21278f32cb9585335bdcff2c4a277106102c809d0977aded70dbb7afef5"},"schema_version":"1.0","source":{"id":"1807.00526","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.00526","created_at":"2026-05-18T00:07:40Z"},{"alias_kind":"arxiv_version","alias_value":"1807.00526v1","created_at":"2026-05-18T00:07:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.00526","created_at":"2026-05-18T00:07:40Z"},{"alias_kind":"pith_short_12","alias_value":"5WHNWSP23XOM","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5WHNWSP23XOMREXK","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5WHNWSP2","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:b18e62b2d754bc069c7768ce82ab6012f7a5cb9a8e8e33b3e5e9e16cf6351e10","target":"graph","created_at":"2026-05-18T00:07:40Z","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":"Molecular gas in Arches cloud located near the Arches cluster is one of the emitters of K-$\\alpha$ line of neutral iron and X-ray continuum in the Galactic center (GC). Similarly to the cloud Sgr B2, another well-known emitter of the iron line in the GC, the Arches cloud demonstrates temporal decline of the X-ray emission. The most natural origin of this emission is irradiation of primary photons of an X-ray flare from a distant source, most likely Sgr A*. However, recent observations of the Arches cloud discovered variations of equivalent width of the 6.4 keV iron line, which indicated that t","authors_text":"C. M. Ko, D. O. Chernyshov, K. S. Cheng, R. A. Krivonos, V. A. Dogiel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-02T08:28:14Z","title":"Time-Variability of equivalent width of 6.4 keV line from the Arches Complex: reflected X-rays or charged particles?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.00526","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":"sha256:21b21e4657a9792bc1382094ff50dfb9d43a3f56061c426effac2329c657726f","target":"record","created_at":"2026-05-18T00:07:40Z","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":"fe27728e3173de673eceb73d49bc40121608521cf75c3308381b84be4e19cb2d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-02T08:28:14Z","title_canon_sha256":"a124c21278f32cb9585335bdcff2c4a277106102c809d0977aded70dbb7afef5"},"schema_version":"1.0","source":{"id":"1807.00526","kind":"arxiv","version":1}},"canonical_sha256":"ed8edb49fadddcc892ea823b1ec51b933171cf9287a8bdc40cc00c201cf93d40","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed8edb49fadddcc892ea823b1ec51b933171cf9287a8bdc40cc00c201cf93d40","first_computed_at":"2026-05-18T00:07:40.160959Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:40.160959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y4p0xnCOkjpWLXV6qbDMDjDWeiIF68pptq1fJ0fKqG4Nh9W7bc4gqMmybCgWwUf/swmubSLfa9OF3MIYK8iCAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:40.161688Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.00526","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21b21e4657a9792bc1382094ff50dfb9d43a3f56061c426effac2329c657726f","sha256:b18e62b2d754bc069c7768ce82ab6012f7a5cb9a8e8e33b3e5e9e16cf6351e10"],"state_sha256":"8c30d2be4ebdc679345e2a60e0ab60e6fc1a2e83913189bc276619f3526d6baa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YwvaEFkCn4JmBYjyEH36Fvm3S/zRe+G15geU0KEi5foa7YqNsee7xsuFAHu4mzYIa9JZscx1aUQ3EabQ5uY9DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T10:58:02.152334Z","bundle_sha256":"5f8c762e35fc568ab3dce4c6be96aff19a956660e2743d20da0d9ea3bd33e621"}}