{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:TOCM2LADAMEGGF6EOPRZD2IV5T","short_pith_number":"pith:TOCM2LAD","canonical_record":{"source":{"id":"1802.10397","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-02-28T13:21:24Z","cross_cats_sorted":[],"title_canon_sha256":"8ce5b6dd3276e8dded02be7ccea4591a8fd3d38c7e6cda564636a5200c94c98d","abstract_canon_sha256":"4193467374e0d0d4c972b5728df19eeae060117aad484f8c597b7eb43522794f"},"schema_version":"1.0"},"canonical_sha256":"9b84cd2c0303086317c473e391e915ecdf00162fefc0117e16fa833ba2c1aa90","source":{"kind":"arxiv","id":"1802.10397","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.10397","created_at":"2026-05-18T00:15:15Z"},{"alias_kind":"arxiv_version","alias_value":"1802.10397v2","created_at":"2026-05-18T00:15:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.10397","created_at":"2026-05-18T00:15:15Z"},{"alias_kind":"pith_short_12","alias_value":"TOCM2LADAMEG","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"TOCM2LADAMEGGF6E","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"TOCM2LAD","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:TOCM2LADAMEGGF6EOPRZD2IV5T","target":"record","payload":{"canonical_record":{"source":{"id":"1802.10397","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-02-28T13:21:24Z","cross_cats_sorted":[],"title_canon_sha256":"8ce5b6dd3276e8dded02be7ccea4591a8fd3d38c7e6cda564636a5200c94c98d","abstract_canon_sha256":"4193467374e0d0d4c972b5728df19eeae060117aad484f8c597b7eb43522794f"},"schema_version":"1.0"},"canonical_sha256":"9b84cd2c0303086317c473e391e915ecdf00162fefc0117e16fa833ba2c1aa90","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:15:15.696716Z","signature_b64":"X4Y3oOAGRsAf0T1ogXhA4NQjICvLZ9IvIxzul+IDomOB/oTaSFsRtcGuNezY8TG1oGG9ywi3VswU21j1oGwMAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b84cd2c0303086317c473e391e915ecdf00162fefc0117e16fa833ba2c1aa90","last_reissued_at":"2026-05-18T00:15:15.695867Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:15:15.695867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.10397","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":"2026-05-18T00:15:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KMzUIwa6MqyneSjl/iXPAij0K18Ut/U2YSnENRX4iznbleYJiaqJBKp2hMX+yr1eZREXr7FVf4GENCyt2AS1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:10:14.478599Z"},"content_sha256":"3e600858e3ca5f1196875ba8d7c23ee2f424bfc567ca9c073a3f971e5950f05a","schema_version":"1.0","event_id":"sha256:3e600858e3ca5f1196875ba8d7c23ee2f424bfc567ca9c073a3f971e5950f05a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:TOCM2LADAMEGGF6EOPRZD2IV5T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Continued Brightening of the Afterglow of GW170817/GRB 170817A as due to a Delayed Energy Injection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Bing Li, Jin-Jun Geng, Li-Ming Song, Long-Biao Li, Yong-Bo Yu, Yong-Feng Huang","submitted_at":"2018-02-28T13:21:24Z","abstract_excerpt":"The brightness of the multi-wavelength afterglow of GRB 170817A is increasing unexpectedly even $\\sim$ 160 days after the associated gravitational burst. Here we suggest that the brightening can be caused by a late-time energy injection process. We use an empirical expression to mimic the evolution of the injection luminosity, which is consisted of a power-law rising phase and a power-law decreasing phase. It is found that the power-law indices of the two phases are $0.92$ and $-2.8$, respectively, with the peak time of the injection being $\\sim 110$ days. The energy injection could be due to "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.10397","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":"2026-05-18T00:15:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dorE+ayJBedch6I5E4k3nbntKJ2XQxN5tqhSeGZEsuPdYDzfrY82e2fX0DxLjdYwyQMrZBxCmM6h0VvHO7DhBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:10:14.479369Z"},"content_sha256":"86eed63fa3327f514b8094508b40562d1b433dde3bb99e7269e17897d3fca5cb","schema_version":"1.0","event_id":"sha256:86eed63fa3327f514b8094508b40562d1b433dde3bb99e7269e17897d3fca5cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TOCM2LADAMEGGF6EOPRZD2IV5T/bundle.json","state_url":"https://pith.science/pith/TOCM2LADAMEGGF6EOPRZD2IV5T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TOCM2LADAMEGGF6EOPRZD2IV5T/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":"2026-05-30T06:10:14Z","links":{"resolver":"https://pith.science/pith/TOCM2LADAMEGGF6EOPRZD2IV5T","bundle":"https://pith.science/pith/TOCM2LADAMEGGF6EOPRZD2IV5T/bundle.json","state":"https://pith.science/pith/TOCM2LADAMEGGF6EOPRZD2IV5T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TOCM2LADAMEGGF6EOPRZD2IV5T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:TOCM2LADAMEGGF6EOPRZD2IV5T","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":"4193467374e0d0d4c972b5728df19eeae060117aad484f8c597b7eb43522794f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-02-28T13:21:24Z","title_canon_sha256":"8ce5b6dd3276e8dded02be7ccea4591a8fd3d38c7e6cda564636a5200c94c98d"},"schema_version":"1.0","source":{"id":"1802.10397","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.10397","created_at":"2026-05-18T00:15:15Z"},{"alias_kind":"arxiv_version","alias_value":"1802.10397v2","created_at":"2026-05-18T00:15:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.10397","created_at":"2026-05-18T00:15:15Z"},{"alias_kind":"pith_short_12","alias_value":"TOCM2LADAMEG","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"TOCM2LADAMEGGF6E","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"TOCM2LAD","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:86eed63fa3327f514b8094508b40562d1b433dde3bb99e7269e17897d3fca5cb","target":"graph","created_at":"2026-05-18T00:15:15Z","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 brightness of the multi-wavelength afterglow of GRB 170817A is increasing unexpectedly even $\\sim$ 160 days after the associated gravitational burst. Here we suggest that the brightening can be caused by a late-time energy injection process. We use an empirical expression to mimic the evolution of the injection luminosity, which is consisted of a power-law rising phase and a power-law decreasing phase. It is found that the power-law indices of the two phases are $0.92$ and $-2.8$, respectively, with the peak time of the injection being $\\sim 110$ days. The energy injection could be due to ","authors_text":"Bing Li, Jin-Jun Geng, Li-Ming Song, Long-Biao Li, Yong-Bo Yu, Yong-Feng Huang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-02-28T13:21:24Z","title":"Continued Brightening of the Afterglow of GW170817/GRB 170817A as due to a Delayed Energy Injection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.10397","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":"sha256:3e600858e3ca5f1196875ba8d7c23ee2f424bfc567ca9c073a3f971e5950f05a","target":"record","created_at":"2026-05-18T00:15:15Z","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":"4193467374e0d0d4c972b5728df19eeae060117aad484f8c597b7eb43522794f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-02-28T13:21:24Z","title_canon_sha256":"8ce5b6dd3276e8dded02be7ccea4591a8fd3d38c7e6cda564636a5200c94c98d"},"schema_version":"1.0","source":{"id":"1802.10397","kind":"arxiv","version":2}},"canonical_sha256":"9b84cd2c0303086317c473e391e915ecdf00162fefc0117e16fa833ba2c1aa90","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b84cd2c0303086317c473e391e915ecdf00162fefc0117e16fa833ba2c1aa90","first_computed_at":"2026-05-18T00:15:15.695867Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:15.695867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X4Y3oOAGRsAf0T1ogXhA4NQjICvLZ9IvIxzul+IDomOB/oTaSFsRtcGuNezY8TG1oGG9ywi3VswU21j1oGwMAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:15.696716Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.10397","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e600858e3ca5f1196875ba8d7c23ee2f424bfc567ca9c073a3f971e5950f05a","sha256:86eed63fa3327f514b8094508b40562d1b433dde3bb99e7269e17897d3fca5cb"],"state_sha256":"1bceadb85b10d2f3225496cad27131fc35279e6a34db62d6010601405896aeb4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YCFBIC3I1zKnbxDVO+gOFQa1+lkEsAwB8Kl+hmy6djIfRI+KDBYFCmfELiWFuJC4reBmIxfo7zsbctU5u41xAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T06:10:14.482921Z","bundle_sha256":"15a88e9e9d69f4356f9e57948511265bccf3817553a163888425a264e39b0122"}}