{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:SJWE73WBKB4ZGHDWJEDIHWHYDQ","short_pith_number":"pith:SJWE73WB","canonical_record":{"source":{"id":"1512.07320","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-23T01:10:24Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"583e98063bf3f7d1d7f2274380ff7f0bf8b02ac14fa5dfc3908ec771067eee05","abstract_canon_sha256":"10862c46dfdb7dbb872ef76da6a9ba43d495d6ea50d7718fb244b7544431233f"},"schema_version":"1.0"},"canonical_sha256":"926c4feec15079931c76490683d8f81c22724f3c1092176d4cfd1925a21bc42b","source":{"kind":"arxiv","id":"1512.07320","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07320","created_at":"2026-05-18T01:23:50Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07320v1","created_at":"2026-05-18T01:23:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07320","created_at":"2026-05-18T01:23:50Z"},{"alias_kind":"pith_short_12","alias_value":"SJWE73WBKB4Z","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SJWE73WBKB4ZGHDW","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SJWE73WB","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:SJWE73WBKB4ZGHDWJEDIHWHYDQ","target":"record","payload":{"canonical_record":{"source":{"id":"1512.07320","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-23T01:10:24Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"583e98063bf3f7d1d7f2274380ff7f0bf8b02ac14fa5dfc3908ec771067eee05","abstract_canon_sha256":"10862c46dfdb7dbb872ef76da6a9ba43d495d6ea50d7718fb244b7544431233f"},"schema_version":"1.0"},"canonical_sha256":"926c4feec15079931c76490683d8f81c22724f3c1092176d4cfd1925a21bc42b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:50.050612Z","signature_b64":"tXs1MGUsZKz0nAieH+W02eSBKE9ZAABaxVHTm/wzeNaZ27bC98to7uBLbPlK/aM8mSsz61LVjlcXUHs7urluDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"926c4feec15079931c76490683d8f81c22724f3c1092176d4cfd1925a21bc42b","last_reissued_at":"2026-05-18T01:23:50.049962Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:50.049962Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.07320","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":"2026-05-18T01:23:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+xcgq1uDi1m/BoTBBWxjn3SiDpAT8SLJ3hh1NAmFTHHvS5qHiauDF3K2SbTmrMzGgKGP1S01MXn6CxmPWBx6Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T21:05:54.008582Z"},"content_sha256":"acb96bab6624912adc44cbbc3854141c4d6169da6f616aecb956b9d58c4c6bea","schema_version":"1.0","event_id":"sha256:acb96bab6624912adc44cbbc3854141c4d6169da6f616aecb956b9d58c4c6bea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:SJWE73WBKB4ZGHDWJEDIHWHYDQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High Energy Emission from Black Widows and Redbacks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Alice K. Harding, Christo Venter, Markus B\\\"ottcher, Zorawar Wadiasingh","submitted_at":"2015-12-23T01:10:24Z","abstract_excerpt":"A large number of new black widow and redback energetic millisecond pulsars with irradiated stellar companions have been discovered through radio searches of unidentified \\emph{Fermi} sources. We construct a 3D emission model of these systems to predict the high-energy emission components from particles accelerated to several TeV in the intrabinary shocks, and its predicted modulation at the binary orbital period. Synchrotron emission is expected at X-ray energies and such modulated emission has already been detected by \\emph{Chandra} and \\emph{XMM-Newton} in some systems. Synchrotron and inve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07320","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":"2026-05-18T01:23:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Subp7Jj6+HdTih6e7vgEtIlIGLivGgLL5pFF44HQeoR7F2hBzb8mdUhT2IGLd2B1PcUQgjR5ePQCO03Yf3z1Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T21:05:54.008927Z"},"content_sha256":"386fffddf878a543c927ddbaed77748686f190f2cde6deae059a78b9f41d2e3e","schema_version":"1.0","event_id":"sha256:386fffddf878a543c927ddbaed77748686f190f2cde6deae059a78b9f41d2e3e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SJWE73WBKB4ZGHDWJEDIHWHYDQ/bundle.json","state_url":"https://pith.science/pith/SJWE73WBKB4ZGHDWJEDIHWHYDQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SJWE73WBKB4ZGHDWJEDIHWHYDQ/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":"2026-05-19T21:05:54Z","links":{"resolver":"https://pith.science/pith/SJWE73WBKB4ZGHDWJEDIHWHYDQ","bundle":"https://pith.science/pith/SJWE73WBKB4ZGHDWJEDIHWHYDQ/bundle.json","state":"https://pith.science/pith/SJWE73WBKB4ZGHDWJEDIHWHYDQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SJWE73WBKB4ZGHDWJEDIHWHYDQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SJWE73WBKB4ZGHDWJEDIHWHYDQ","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":"10862c46dfdb7dbb872ef76da6a9ba43d495d6ea50d7718fb244b7544431233f","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-23T01:10:24Z","title_canon_sha256":"583e98063bf3f7d1d7f2274380ff7f0bf8b02ac14fa5dfc3908ec771067eee05"},"schema_version":"1.0","source":{"id":"1512.07320","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07320","created_at":"2026-05-18T01:23:50Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07320v1","created_at":"2026-05-18T01:23:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07320","created_at":"2026-05-18T01:23:50Z"},{"alias_kind":"pith_short_12","alias_value":"SJWE73WBKB4Z","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SJWE73WBKB4ZGHDW","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SJWE73WB","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:386fffddf878a543c927ddbaed77748686f190f2cde6deae059a78b9f41d2e3e","target":"graph","created_at":"2026-05-18T01:23:50Z","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":"A large number of new black widow and redback energetic millisecond pulsars with irradiated stellar companions have been discovered through radio searches of unidentified \\emph{Fermi} sources. We construct a 3D emission model of these systems to predict the high-energy emission components from particles accelerated to several TeV in the intrabinary shocks, and its predicted modulation at the binary orbital period. Synchrotron emission is expected at X-ray energies and such modulated emission has already been detected by \\emph{Chandra} and \\emph{XMM-Newton} in some systems. Synchrotron and inve","authors_text":"Alice K. Harding, Christo Venter, Markus B\\\"ottcher, Zorawar Wadiasingh","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-23T01:10:24Z","title":"High Energy Emission from Black Widows and Redbacks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07320","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:acb96bab6624912adc44cbbc3854141c4d6169da6f616aecb956b9d58c4c6bea","target":"record","created_at":"2026-05-18T01:23:50Z","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":"10862c46dfdb7dbb872ef76da6a9ba43d495d6ea50d7718fb244b7544431233f","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-23T01:10:24Z","title_canon_sha256":"583e98063bf3f7d1d7f2274380ff7f0bf8b02ac14fa5dfc3908ec771067eee05"},"schema_version":"1.0","source":{"id":"1512.07320","kind":"arxiv","version":1}},"canonical_sha256":"926c4feec15079931c76490683d8f81c22724f3c1092176d4cfd1925a21bc42b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"926c4feec15079931c76490683d8f81c22724f3c1092176d4cfd1925a21bc42b","first_computed_at":"2026-05-18T01:23:50.049962Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:50.049962Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tXs1MGUsZKz0nAieH+W02eSBKE9ZAABaxVHTm/wzeNaZ27bC98to7uBLbPlK/aM8mSsz61LVjlcXUHs7urluDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:50.050612Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.07320","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:acb96bab6624912adc44cbbc3854141c4d6169da6f616aecb956b9d58c4c6bea","sha256:386fffddf878a543c927ddbaed77748686f190f2cde6deae059a78b9f41d2e3e"],"state_sha256":"ff9a277a1c1dc14610fd53c11b12a148aa7d785f9c24950bc8038c144068c1bc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"swlr7zQ4I8AVjR216m9AOYaWwewrJl3uZoQAB5T/4NeCLE0vkFX+0/4L3pTgeunyHGi9jar6NkHO7m2b1IwgAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T21:05:54.010899Z","bundle_sha256":"66f27150cc52fac741135b4e7892cc396e04b6f0a9fd7cbc377b8a529fcca58d"}}