{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:HYCCUBXJGHS22DZ23KUJFIAROP","short_pith_number":"pith:HYCCUBXJ","canonical_record":{"source":{"id":"1205.4188","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-05-18T16:25:11Z","cross_cats_sorted":[],"title_canon_sha256":"a1983b650932e50266b4cf917a7eb3c996bdf8af5c5a55def6e690308dbfe34e","abstract_canon_sha256":"bdb6cb4ea3bdba4ec6ae127309d03d14bea9ebb27958bce177c7c13936499a4b"},"schema_version":"1.0"},"canonical_sha256":"3e042a06e931e5ad0f3adaa892a01173c31cbc05b36c411700df771b5f04d166","source":{"kind":"arxiv","id":"1205.4188","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.4188","created_at":"2026-05-18T01:57:25Z"},{"alias_kind":"arxiv_version","alias_value":"1205.4188v1","created_at":"2026-05-18T01:57:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.4188","created_at":"2026-05-18T01:57:25Z"},{"alias_kind":"pith_short_12","alias_value":"HYCCUBXJGHS2","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HYCCUBXJGHS22DZ2","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HYCCUBXJ","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:HYCCUBXJGHS22DZ23KUJFIAROP","target":"record","payload":{"canonical_record":{"source":{"id":"1205.4188","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-05-18T16:25:11Z","cross_cats_sorted":[],"title_canon_sha256":"a1983b650932e50266b4cf917a7eb3c996bdf8af5c5a55def6e690308dbfe34e","abstract_canon_sha256":"bdb6cb4ea3bdba4ec6ae127309d03d14bea9ebb27958bce177c7c13936499a4b"},"schema_version":"1.0"},"canonical_sha256":"3e042a06e931e5ad0f3adaa892a01173c31cbc05b36c411700df771b5f04d166","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:25.646272Z","signature_b64":"EWgetAcqdB8dTkxWU5U89TBIZNynKbROvqbirz7NRKMlFd/dP/y1fPclPexebuU9nqYR9kyn4KwRUIUxL5UqBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e042a06e931e5ad0f3adaa892a01173c31cbc05b36c411700df771b5f04d166","last_reissued_at":"2026-05-18T01:57:25.645785Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:25.645785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.4188","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":"2026-05-18T01:57:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GsIMr2Fxbt6LVPvcFHZxmnEZZWOHyzvIExXXsLe/9/JQdy6LXUowaMwRK72r8h74Mr1jSTyiLvYIfPeTZ8AlAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T03:47:25.420555Z"},"content_sha256":"5994cd6aa94ea38bb070a8aa65d8e59b3dec472d9833fc5b64e505319e8865da","schema_version":"1.0","event_id":"sha256:5994cd6aa94ea38bb070a8aa65d8e59b3dec472d9833fc5b64e505319e8865da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:HYCCUBXJGHS22DZ23KUJFIAROP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Suzaku Study of Ejecta Structure and Origin of Hard X-ray Emission in the Supernova Remnant G156.2+5.7","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Hiroshi Tsunemi, Hiroya Yamaguchi, Hiroyuki Uchida, Koji Mori, Robert Petre, Satoru Katsuda","submitted_at":"2012-05-18T16:25:11Z","abstract_excerpt":"We report an X-ray study of the evolved Galactic supernova remnant (SNR) G156.2+5.7 based on six pointing observations with Suzaku. The remnant's large extent (100$\\arcmin$ in diameter) allows us to investigate its radial structure in the northwestern and eastern directions from the apparent center. The X-ray spectra were well fit with a two-component non-equilibrium ionization model representing the swept-up interstellar medium (ISM) and the metal-rich ejecta. We found prominent central concentrations of Si, S and Fe from the ejecta component; the lighter elements of O, Ne and Mg were distrib"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.4188","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":"2026-05-18T01:57:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+9jR+DzceUgZKKwwWmwbCbsOFVV0CqhGj2YSC5uqok5b5MtX7Z8pnAxsS0YQZDM0caczP5/84hDsfGtPSbMgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T03:47:25.420944Z"},"content_sha256":"946db1172b3994eb8aeb3546a9d8641690225baa1eb417ec9e14e9b0c382bf53","schema_version":"1.0","event_id":"sha256:946db1172b3994eb8aeb3546a9d8641690225baa1eb417ec9e14e9b0c382bf53"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HYCCUBXJGHS22DZ23KUJFIAROP/bundle.json","state_url":"https://pith.science/pith/HYCCUBXJGHS22DZ23KUJFIAROP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HYCCUBXJGHS22DZ23KUJFIAROP/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":"2026-05-20T03:47:25Z","links":{"resolver":"https://pith.science/pith/HYCCUBXJGHS22DZ23KUJFIAROP","bundle":"https://pith.science/pith/HYCCUBXJGHS22DZ23KUJFIAROP/bundle.json","state":"https://pith.science/pith/HYCCUBXJGHS22DZ23KUJFIAROP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HYCCUBXJGHS22DZ23KUJFIAROP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HYCCUBXJGHS22DZ23KUJFIAROP","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":"bdb6cb4ea3bdba4ec6ae127309d03d14bea9ebb27958bce177c7c13936499a4b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-05-18T16:25:11Z","title_canon_sha256":"a1983b650932e50266b4cf917a7eb3c996bdf8af5c5a55def6e690308dbfe34e"},"schema_version":"1.0","source":{"id":"1205.4188","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.4188","created_at":"2026-05-18T01:57:25Z"},{"alias_kind":"arxiv_version","alias_value":"1205.4188v1","created_at":"2026-05-18T01:57:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.4188","created_at":"2026-05-18T01:57:25Z"},{"alias_kind":"pith_short_12","alias_value":"HYCCUBXJGHS2","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HYCCUBXJGHS22DZ2","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HYCCUBXJ","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:946db1172b3994eb8aeb3546a9d8641690225baa1eb417ec9e14e9b0c382bf53","target":"graph","created_at":"2026-05-18T01:57:25Z","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 an X-ray study of the evolved Galactic supernova remnant (SNR) G156.2+5.7 based on six pointing observations with Suzaku. The remnant's large extent (100$\\arcmin$ in diameter) allows us to investigate its radial structure in the northwestern and eastern directions from the apparent center. The X-ray spectra were well fit with a two-component non-equilibrium ionization model representing the swept-up interstellar medium (ISM) and the metal-rich ejecta. We found prominent central concentrations of Si, S and Fe from the ejecta component; the lighter elements of O, Ne and Mg were distrib","authors_text":"Hiroshi Tsunemi, Hiroya Yamaguchi, Hiroyuki Uchida, Koji Mori, Robert Petre, Satoru Katsuda","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-05-18T16:25:11Z","title":"A Suzaku Study of Ejecta Structure and Origin of Hard X-ray Emission in the Supernova Remnant G156.2+5.7"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.4188","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":"sha256:5994cd6aa94ea38bb070a8aa65d8e59b3dec472d9833fc5b64e505319e8865da","target":"record","created_at":"2026-05-18T01:57:25Z","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":"bdb6cb4ea3bdba4ec6ae127309d03d14bea9ebb27958bce177c7c13936499a4b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-05-18T16:25:11Z","title_canon_sha256":"a1983b650932e50266b4cf917a7eb3c996bdf8af5c5a55def6e690308dbfe34e"},"schema_version":"1.0","source":{"id":"1205.4188","kind":"arxiv","version":1}},"canonical_sha256":"3e042a06e931e5ad0f3adaa892a01173c31cbc05b36c411700df771b5f04d166","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e042a06e931e5ad0f3adaa892a01173c31cbc05b36c411700df771b5f04d166","first_computed_at":"2026-05-18T01:57:25.645785Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:25.645785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EWgetAcqdB8dTkxWU5U89TBIZNynKbROvqbirz7NRKMlFd/dP/y1fPclPexebuU9nqYR9kyn4KwRUIUxL5UqBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:25.646272Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.4188","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5994cd6aa94ea38bb070a8aa65d8e59b3dec472d9833fc5b64e505319e8865da","sha256:946db1172b3994eb8aeb3546a9d8641690225baa1eb417ec9e14e9b0c382bf53"],"state_sha256":"797cb9215962facfb388569a9c5e863e4e0615edcde0a0213098a65c842601df"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hWOS4pcIxl6ls8njRxJlElla+AqjSRWuQ4CZIMT/snuumKKjwVrIEiRvD6Ir7gSLuox93WqbnzA+nb758oUdCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T03:47:25.424283Z","bundle_sha256":"07c1711f402f27f3825555b1f80fa32cd3a1a3b286bcbab31550fc8319f4df72"}}