{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:5UQIALFW5I5IAU3EEXPRXCFTNT","short_pith_number":"pith:5UQIALFW","canonical_record":{"source":{"id":"1511.08298","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-26T06:38:28Z","cross_cats_sorted":[],"title_canon_sha256":"d17f58fc641dd531d71c2500b1f6dbca47772f46aedbf3bc55db92c106eef421","abstract_canon_sha256":"4f6217c10068df61a6a3053f223a6254eae56dde9a9389fd53a68500da9ed4b0"},"schema_version":"1.0"},"canonical_sha256":"ed20802cb6ea3a80536425df1b88b36ce6bb14bdacf457e115a2718549ad920e","source":{"kind":"arxiv","id":"1511.08298","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.08298","created_at":"2026-05-18T01:22:50Z"},{"alias_kind":"arxiv_version","alias_value":"1511.08298v2","created_at":"2026-05-18T01:22:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.08298","created_at":"2026-05-18T01:22:50Z"},{"alias_kind":"pith_short_12","alias_value":"5UQIALFW5I5I","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"5UQIALFW5I5IAU3E","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"5UQIALFW","created_at":"2026-05-18T12:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:5UQIALFW5I5IAU3EEXPRXCFTNT","target":"record","payload":{"canonical_record":{"source":{"id":"1511.08298","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-26T06:38:28Z","cross_cats_sorted":[],"title_canon_sha256":"d17f58fc641dd531d71c2500b1f6dbca47772f46aedbf3bc55db92c106eef421","abstract_canon_sha256":"4f6217c10068df61a6a3053f223a6254eae56dde9a9389fd53a68500da9ed4b0"},"schema_version":"1.0"},"canonical_sha256":"ed20802cb6ea3a80536425df1b88b36ce6bb14bdacf457e115a2718549ad920e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:50.257629Z","signature_b64":"o9JHw6266Fkfu2MFYrth95vYDjZdwDxvFevgadeESusRqWuKcEMMyI9TaUPaXXqA0LjfRfTbZPVoTSY2FYk/Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed20802cb6ea3a80536425df1b88b36ce6bb14bdacf457e115a2718549ad920e","last_reissued_at":"2026-05-18T01:22:50.257049Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:50.257049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.08298","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":"2026-05-18T01:22:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CPx9gG06r+x7nexyXlsuGNesWxk7UVrb3CLXNI7XBqaWfA7PK2n8W74dieeTCMBGLlic8NNH6987VTVawTxfAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:58:38.301105Z"},"content_sha256":"cb8110cb20e2f6dce2b700e6fedf80e52b407896d5b276f89e65e24a26275aaa","schema_version":"1.0","event_id":"sha256:cb8110cb20e2f6dce2b700e6fedf80e52b407896d5b276f89e65e24a26275aaa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:5UQIALFW5I5IAU3EEXPRXCFTNT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multi-frequency Radio Profiles of PSR B1133+16: radiation location and particle energy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Guo-Jun Qiao, Ji-Guang Lu, Ke-Jia Lee, Long-Fei Hao, Lun-Hua Shang, Min Wang, Qi-jun Zhi, Ren-Xin Xu, You-Ling Yue, Yuan-Jie Du, Zhen Yan, Zhi-yong Liu","submitted_at":"2015-11-26T06:38:28Z","abstract_excerpt":"The pulse profile of PSR B1133+16 is usually regarded as a conal-double structure. However, its multifrequency profiles cannot simply be fitted with two Gaussian functions, and a third component is always needed to fit the bridge region (between two peaks). This would introduce additional, redundant parameters. In this paper, through a comparison of five fitting functions (Gaussian, von Mises, hyperbolic secant, square hyperbolic secant, and Lorentz), it is found that the square hyperbolic secant function can best reproduce the profile, yielding an improved fit. Moreover, a symmetric 2D radiat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.08298","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":"2026-05-18T01:22:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KZgUde+PI5Q9fKqxicYkVqY0jzJLy/uNWOE0qMcHJrytJ1pAyHeH2J/pkIseZpbmGEAWrS++CpfarTlIj1cUCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:58:38.301713Z"},"content_sha256":"15d2aed7b757d61097bcfc66ddb153e53829d235fff6622de0bb2c39935f7db5","schema_version":"1.0","event_id":"sha256:15d2aed7b757d61097bcfc66ddb153e53829d235fff6622de0bb2c39935f7db5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5UQIALFW5I5IAU3EEXPRXCFTNT/bundle.json","state_url":"https://pith.science/pith/5UQIALFW5I5IAU3EEXPRXCFTNT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5UQIALFW5I5IAU3EEXPRXCFTNT/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":"2026-05-27T10:58:38Z","links":{"resolver":"https://pith.science/pith/5UQIALFW5I5IAU3EEXPRXCFTNT","bundle":"https://pith.science/pith/5UQIALFW5I5IAU3EEXPRXCFTNT/bundle.json","state":"https://pith.science/pith/5UQIALFW5I5IAU3EEXPRXCFTNT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5UQIALFW5I5IAU3EEXPRXCFTNT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:5UQIALFW5I5IAU3EEXPRXCFTNT","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":"4f6217c10068df61a6a3053f223a6254eae56dde9a9389fd53a68500da9ed4b0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-26T06:38:28Z","title_canon_sha256":"d17f58fc641dd531d71c2500b1f6dbca47772f46aedbf3bc55db92c106eef421"},"schema_version":"1.0","source":{"id":"1511.08298","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.08298","created_at":"2026-05-18T01:22:50Z"},{"alias_kind":"arxiv_version","alias_value":"1511.08298v2","created_at":"2026-05-18T01:22:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.08298","created_at":"2026-05-18T01:22:50Z"},{"alias_kind":"pith_short_12","alias_value":"5UQIALFW5I5I","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"5UQIALFW5I5IAU3E","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"5UQIALFW","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:15d2aed7b757d61097bcfc66ddb153e53829d235fff6622de0bb2c39935f7db5","target":"graph","created_at":"2026-05-18T01:22:50Z","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":"The pulse profile of PSR B1133+16 is usually regarded as a conal-double structure. However, its multifrequency profiles cannot simply be fitted with two Gaussian functions, and a third component is always needed to fit the bridge region (between two peaks). This would introduce additional, redundant parameters. In this paper, through a comparison of five fitting functions (Gaussian, von Mises, hyperbolic secant, square hyperbolic secant, and Lorentz), it is found that the square hyperbolic secant function can best reproduce the profile, yielding an improved fit. Moreover, a symmetric 2D radiat","authors_text":"Guo-Jun Qiao, Ji-Guang Lu, Ke-Jia Lee, Long-Fei Hao, Lun-Hua Shang, Min Wang, Qi-jun Zhi, Ren-Xin Xu, You-Ling Yue, Yuan-Jie Du, Zhen Yan, Zhi-yong Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-26T06:38:28Z","title":"Multi-frequency Radio Profiles of PSR B1133+16: radiation location and particle energy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.08298","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:cb8110cb20e2f6dce2b700e6fedf80e52b407896d5b276f89e65e24a26275aaa","target":"record","created_at":"2026-05-18T01:22:50Z","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":"4f6217c10068df61a6a3053f223a6254eae56dde9a9389fd53a68500da9ed4b0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-26T06:38:28Z","title_canon_sha256":"d17f58fc641dd531d71c2500b1f6dbca47772f46aedbf3bc55db92c106eef421"},"schema_version":"1.0","source":{"id":"1511.08298","kind":"arxiv","version":2}},"canonical_sha256":"ed20802cb6ea3a80536425df1b88b36ce6bb14bdacf457e115a2718549ad920e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed20802cb6ea3a80536425df1b88b36ce6bb14bdacf457e115a2718549ad920e","first_computed_at":"2026-05-18T01:22:50.257049Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:50.257049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o9JHw6266Fkfu2MFYrth95vYDjZdwDxvFevgadeESusRqWuKcEMMyI9TaUPaXXqA0LjfRfTbZPVoTSY2FYk/Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:50.257629Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.08298","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb8110cb20e2f6dce2b700e6fedf80e52b407896d5b276f89e65e24a26275aaa","sha256:15d2aed7b757d61097bcfc66ddb153e53829d235fff6622de0bb2c39935f7db5"],"state_sha256":"dc6915d1a5c6f80cad34ed312573a08d5a57e129c0a2b46b72caec86a6e117e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UNubpms5Gc4qV44ZzyCK8498XX+xSszuwMA3S4Ef99EGEXPL2bOR5e0IT3PQAMmtQreCGKRfjvuJDAeEG+YYAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T10:58:38.304800Z","bundle_sha256":"7648c8eac1c34bc199810d2cce3a44ae010d77ab9d8a67b5cdb38b47afa06815"}}