{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:EJ5GPX6YOTJ3CY2EQCB3ZOJLB5","short_pith_number":"pith:EJ5GPX6Y","canonical_record":{"source":{"id":"1704.00460","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-04-03T07:58:11Z","cross_cats_sorted":[],"title_canon_sha256":"a356340f407a3b65bc208f08c4ea6de8b4a85d19c4c667429f45172f9a55c656","abstract_canon_sha256":"0df722f1a1d3f596cd7d1c3a0193add25b82f45556621fb2e2fa53a452ea80a6"},"schema_version":"1.0"},"canonical_sha256":"227a67dfd874d3b163448083bcb92b0f514550d33c166b7994f212a35b2e2624","source":{"kind":"arxiv","id":"1704.00460","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.00460","created_at":"2026-05-18T00:46:34Z"},{"alias_kind":"arxiv_version","alias_value":"1704.00460v1","created_at":"2026-05-18T00:46:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.00460","created_at":"2026-05-18T00:46:34Z"},{"alias_kind":"pith_short_12","alias_value":"EJ5GPX6YOTJ3","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EJ5GPX6YOTJ3CY2E","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EJ5GPX6Y","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:EJ5GPX6YOTJ3CY2EQCB3ZOJLB5","target":"record","payload":{"canonical_record":{"source":{"id":"1704.00460","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-04-03T07:58:11Z","cross_cats_sorted":[],"title_canon_sha256":"a356340f407a3b65bc208f08c4ea6de8b4a85d19c4c667429f45172f9a55c656","abstract_canon_sha256":"0df722f1a1d3f596cd7d1c3a0193add25b82f45556621fb2e2fa53a452ea80a6"},"schema_version":"1.0"},"canonical_sha256":"227a67dfd874d3b163448083bcb92b0f514550d33c166b7994f212a35b2e2624","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:34.288426Z","signature_b64":"+yYbEakLw8qWZAATex6ZpYCn4zg4l6MumLmeVDxPjXJ63PbjfDfeWIAP1NW1ZFPFjH5s/PrXOiJh+4esITi3Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"227a67dfd874d3b163448083bcb92b0f514550d33c166b7994f212a35b2e2624","last_reissued_at":"2026-05-18T00:46:34.287712Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:34.287712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.00460","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":"2026-05-18T00:46:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v2rImX4VzdawZHNLdkzLBuWltl1wRhnY8F+OiAMOt34YHQf35o834f11FWIiYhaw6zXUzHNKiSLh+yRPAWbSDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:53:58.077478Z"},"content_sha256":"cbbbbf8ac243bf55c1f67f7009845afab7aab85e2872cd41686a6aab3ca6fa07","schema_version":"1.0","event_id":"sha256:cbbbbf8ac243bf55c1f67f7009845afab7aab85e2872cd41686a6aab3ca6fa07"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:EJ5GPX6YOTJ3CY2EQCB3ZOJLB5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chandra Phase-Resolved Spectroscopy of the High Magnetic Field Pulsar B1509-58","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Chin-Ping Hu, C.-Y. Ng, J. Takata, R. M. Shannon, S. Johnston","submitted_at":"2017-04-03T07:58:11Z","abstract_excerpt":"We report on a timing and spectral analysis of the young, high magnetic field rotation-powered pulsar (RPP) B1509-58 using Chandra continuous-clocking mode observation. The pulsar's X-ray light curve can be fit by the two Gaussian components and the pulsed fraction shows moderate energy dependence over the Chandra band. The pulsed X-ray spectrum is well described by a power law with a photon index 1.16(4), which is harder than the values measured with RXTE PCA and NuSTAR. This result supports the log-parabolic model for the broadband X-ray spectrum. With the unprecedented angular resolution of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.00460","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":"2026-05-18T00:46:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3XFL7K+NqI6W40gdGn55260IUgSoajWLvPQBdwy9TkObCKtl1SYppA2VibJy3Vqcy5wvRK6ci2rQ+jFr/w7wBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:53:58.077821Z"},"content_sha256":"c4bb3b9703afcf8848417a53ef6b6a2aec804d6bfc66e6ae384e5520e86ca4f1","schema_version":"1.0","event_id":"sha256:c4bb3b9703afcf8848417a53ef6b6a2aec804d6bfc66e6ae384e5520e86ca4f1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EJ5GPX6YOTJ3CY2EQCB3ZOJLB5/bundle.json","state_url":"https://pith.science/pith/EJ5GPX6YOTJ3CY2EQCB3ZOJLB5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EJ5GPX6YOTJ3CY2EQCB3ZOJLB5/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":"2026-06-08T22:53:58Z","links":{"resolver":"https://pith.science/pith/EJ5GPX6YOTJ3CY2EQCB3ZOJLB5","bundle":"https://pith.science/pith/EJ5GPX6YOTJ3CY2EQCB3ZOJLB5/bundle.json","state":"https://pith.science/pith/EJ5GPX6YOTJ3CY2EQCB3ZOJLB5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EJ5GPX6YOTJ3CY2EQCB3ZOJLB5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:EJ5GPX6YOTJ3CY2EQCB3ZOJLB5","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":"0df722f1a1d3f596cd7d1c3a0193add25b82f45556621fb2e2fa53a452ea80a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-04-03T07:58:11Z","title_canon_sha256":"a356340f407a3b65bc208f08c4ea6de8b4a85d19c4c667429f45172f9a55c656"},"schema_version":"1.0","source":{"id":"1704.00460","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.00460","created_at":"2026-05-18T00:46:34Z"},{"alias_kind":"arxiv_version","alias_value":"1704.00460v1","created_at":"2026-05-18T00:46:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.00460","created_at":"2026-05-18T00:46:34Z"},{"alias_kind":"pith_short_12","alias_value":"EJ5GPX6YOTJ3","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EJ5GPX6YOTJ3CY2E","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EJ5GPX6Y","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:c4bb3b9703afcf8848417a53ef6b6a2aec804d6bfc66e6ae384e5520e86ca4f1","target":"graph","created_at":"2026-05-18T00:46:34Z","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 on a timing and spectral analysis of the young, high magnetic field rotation-powered pulsar (RPP) B1509-58 using Chandra continuous-clocking mode observation. The pulsar's X-ray light curve can be fit by the two Gaussian components and the pulsed fraction shows moderate energy dependence over the Chandra band. The pulsed X-ray spectrum is well described by a power law with a photon index 1.16(4), which is harder than the values measured with RXTE PCA and NuSTAR. This result supports the log-parabolic model for the broadband X-ray spectrum. With the unprecedented angular resolution of","authors_text":"Chin-Ping Hu, C.-Y. Ng, J. Takata, R. M. Shannon, S. Johnston","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-04-03T07:58:11Z","title":"Chandra Phase-Resolved Spectroscopy of the High Magnetic Field Pulsar B1509-58"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.00460","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:cbbbbf8ac243bf55c1f67f7009845afab7aab85e2872cd41686a6aab3ca6fa07","target":"record","created_at":"2026-05-18T00:46:34Z","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":"0df722f1a1d3f596cd7d1c3a0193add25b82f45556621fb2e2fa53a452ea80a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-04-03T07:58:11Z","title_canon_sha256":"a356340f407a3b65bc208f08c4ea6de8b4a85d19c4c667429f45172f9a55c656"},"schema_version":"1.0","source":{"id":"1704.00460","kind":"arxiv","version":1}},"canonical_sha256":"227a67dfd874d3b163448083bcb92b0f514550d33c166b7994f212a35b2e2624","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"227a67dfd874d3b163448083bcb92b0f514550d33c166b7994f212a35b2e2624","first_computed_at":"2026-05-18T00:46:34.287712Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:34.287712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+yYbEakLw8qWZAATex6ZpYCn4zg4l6MumLmeVDxPjXJ63PbjfDfeWIAP1NW1ZFPFjH5s/PrXOiJh+4esITi3Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:34.288426Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.00460","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cbbbbf8ac243bf55c1f67f7009845afab7aab85e2872cd41686a6aab3ca6fa07","sha256:c4bb3b9703afcf8848417a53ef6b6a2aec804d6bfc66e6ae384e5520e86ca4f1"],"state_sha256":"842dc971347d4676915ae4b1b2a9a1255fd2729d54cb72821a326e505e41a892"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o9Yndja5CTUHBksL9D+kw+NJh1kDp+0+rfbrp4Wn+pVOXKMWuiOW1gIYq8mHDHFd88DCiO2ayxtaCIRq51qCCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T22:53:58.079768Z","bundle_sha256":"01aa56a4867cf97ace301fb883a3f7ac8f29f1408f8b50543bc996e724dbfb48"}}