{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:QQBRHCIQ6S2523SCIEHG7G5U25","short_pith_number":"pith:QQBRHCIQ","canonical_record":{"source":{"id":"astro-ph/9712231","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-12-17T15:31:37Z","cross_cats_sorted":[],"title_canon_sha256":"605f681c0eb3ed678a8192056f16e969b47dbb92cfe2f47be629d402bd4609f8","abstract_canon_sha256":"ee1d676665798790c9151ecdc7d42893aa0e20369bf5eb2b54a699ab9846398e"},"schema_version":"1.0"},"canonical_sha256":"8403138910f4b5dd6e42410e6f9bb4d76748dcbb0f74da41f5ebdea41623b808","source":{"kind":"arxiv","id":"astro-ph/9712231","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9712231","created_at":"2026-05-18T01:40:14Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9712231v1","created_at":"2026-05-18T01:40:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9712231","created_at":"2026-05-18T01:40:14Z"},{"alias_kind":"pith_short_12","alias_value":"QQBRHCIQ6S25","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"QQBRHCIQ6S2523SC","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"QQBRHCIQ","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:QQBRHCIQ6S2523SCIEHG7G5U25","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9712231","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-12-17T15:31:37Z","cross_cats_sorted":[],"title_canon_sha256":"605f681c0eb3ed678a8192056f16e969b47dbb92cfe2f47be629d402bd4609f8","abstract_canon_sha256":"ee1d676665798790c9151ecdc7d42893aa0e20369bf5eb2b54a699ab9846398e"},"schema_version":"1.0"},"canonical_sha256":"8403138910f4b5dd6e42410e6f9bb4d76748dcbb0f74da41f5ebdea41623b808","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:14.699114Z","signature_b64":"DavM4H3d4r122FIttLL+EDRB9dTjnexERRemOVLt3BJB1irRWtknV2GkG9Yqs1ifFkh6bYef6xcmJk7MFIlxCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8403138910f4b5dd6e42410e6f9bb4d76748dcbb0f74da41f5ebdea41623b808","last_reissued_at":"2026-05-18T01:40:14.698619Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:14.698619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9712231","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":"2026-05-18T01:40:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n+Rchh9qnCyc8UID1B09c4Ba6iFZeQTc+IQt17aa33MZBHquXcj42L3O/hbAfoxZlZ+PfmFjuT9OhRgoyj0fDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T06:41:51.545469Z"},"content_sha256":"6607ad6ad7a88fa997f19ce827c4561ea963585617c54db73ec1d9981f6d91c2","schema_version":"1.0","event_id":"sha256:6607ad6ad7a88fa997f19ce827c4561ea963585617c54db73ec1d9981f6d91c2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:QQBRHCIQ6S2523SCIEHG7G5U25","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The broad-band X-ray spectrum of RE 0751+14 (PQ Gem)","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D. de Martino, F. Giovannelli, F. Haberl, G. Matt, J. Osborne, K. Mukai, L. Chiappetti, M. Mouchet, S. Molendi, T. Belloni","submitted_at":"1997-12-17T15:31:37Z","abstract_excerpt":"RE 0751+14 is a member of the class of Soft Intermediate Polars. Unlike classical Intermediate Polars, they are characterized by the presence of a soft component in their X-ray spectra, in addition to the hard component typical of these systems. The broad-band coverage of the Narrow-Field instruments on board BeppoSAX is ideal for the study of such objects. Here we report the preliminary results of the analysis of a BeppoSAX pointing to RE 0751+14. Both components are clearly detected, and their temperature determined (~50 eV and ~40 keV), enabling the possibility of studying them simultaneous"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9712231","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":"2026-05-18T01:40:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GP2fhnAJyUz7R3yCVVepd+xPX9LZurLu8Dw4Rl+kEZtzkv/avblYHdBZhDk2WdIs1lBSCQ5x0Z9n5+1BK8wADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T06:41:51.545975Z"},"content_sha256":"89557e007512a04136a128274e8fb31f5d066c222274e67b60b369f168086104","schema_version":"1.0","event_id":"sha256:89557e007512a04136a128274e8fb31f5d066c222274e67b60b369f168086104"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QQBRHCIQ6S2523SCIEHG7G5U25/bundle.json","state_url":"https://pith.science/pith/QQBRHCIQ6S2523SCIEHG7G5U25/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QQBRHCIQ6S2523SCIEHG7G5U25/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":"2026-05-25T06:41:51Z","links":{"resolver":"https://pith.science/pith/QQBRHCIQ6S2523SCIEHG7G5U25","bundle":"https://pith.science/pith/QQBRHCIQ6S2523SCIEHG7G5U25/bundle.json","state":"https://pith.science/pith/QQBRHCIQ6S2523SCIEHG7G5U25/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QQBRHCIQ6S2523SCIEHG7G5U25/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:QQBRHCIQ6S2523SCIEHG7G5U25","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":"ee1d676665798790c9151ecdc7d42893aa0e20369bf5eb2b54a699ab9846398e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-12-17T15:31:37Z","title_canon_sha256":"605f681c0eb3ed678a8192056f16e969b47dbb92cfe2f47be629d402bd4609f8"},"schema_version":"1.0","source":{"id":"astro-ph/9712231","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9712231","created_at":"2026-05-18T01:40:14Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9712231v1","created_at":"2026-05-18T01:40:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9712231","created_at":"2026-05-18T01:40:14Z"},{"alias_kind":"pith_short_12","alias_value":"QQBRHCIQ6S25","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"QQBRHCIQ6S2523SC","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"QQBRHCIQ","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:89557e007512a04136a128274e8fb31f5d066c222274e67b60b369f168086104","target":"graph","created_at":"2026-05-18T01:40:14Z","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":"RE 0751+14 is a member of the class of Soft Intermediate Polars. Unlike classical Intermediate Polars, they are characterized by the presence of a soft component in their X-ray spectra, in addition to the hard component typical of these systems. The broad-band coverage of the Narrow-Field instruments on board BeppoSAX is ideal for the study of such objects. Here we report the preliminary results of the analysis of a BeppoSAX pointing to RE 0751+14. Both components are clearly detected, and their temperature determined (~50 eV and ~40 keV), enabling the possibility of studying them simultaneous","authors_text":"D. de Martino, F. Giovannelli, F. Haberl, G. Matt, J. Osborne, K. Mukai, L. Chiappetti, M. Mouchet, S. Molendi, T. Belloni","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1997-12-17T15:31:37Z","title":"The broad-band X-ray spectrum of RE 0751+14 (PQ Gem)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9712231","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":"sha256:6607ad6ad7a88fa997f19ce827c4561ea963585617c54db73ec1d9981f6d91c2","target":"record","created_at":"2026-05-18T01:40:14Z","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":"ee1d676665798790c9151ecdc7d42893aa0e20369bf5eb2b54a699ab9846398e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-12-17T15:31:37Z","title_canon_sha256":"605f681c0eb3ed678a8192056f16e969b47dbb92cfe2f47be629d402bd4609f8"},"schema_version":"1.0","source":{"id":"astro-ph/9712231","kind":"arxiv","version":1}},"canonical_sha256":"8403138910f4b5dd6e42410e6f9bb4d76748dcbb0f74da41f5ebdea41623b808","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8403138910f4b5dd6e42410e6f9bb4d76748dcbb0f74da41f5ebdea41623b808","first_computed_at":"2026-05-18T01:40:14.698619Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:14.698619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DavM4H3d4r122FIttLL+EDRB9dTjnexERRemOVLt3BJB1irRWtknV2GkG9Yqs1ifFkh6bYef6xcmJk7MFIlxCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:14.699114Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9712231","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6607ad6ad7a88fa997f19ce827c4561ea963585617c54db73ec1d9981f6d91c2","sha256:89557e007512a04136a128274e8fb31f5d066c222274e67b60b369f168086104"],"state_sha256":"0c6f4733ebf857674b9cdd637dfa27203dfa9c376e95be734ad63bd916d15d25"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BPRnj0B4fc9wxg530Rki3/4mIiw7FF753Q1rv6m7U8j2vc7HxkJ1cr+vjJbXn5zS0S68zaAefFYdNuFS3ssFCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T06:41:51.549266Z","bundle_sha256":"cd552a892eb5308a0d7d460330478245a7082bb240f18e833ac6a47de5d5402b"}}