{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:IIRNDPLHIT7KTGMWZZWWJOCIFG","short_pith_number":"pith:IIRNDPLH","canonical_record":{"source":{"id":"1710.08432","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-23T18:00:09Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"9740305d730aecb2a65edbad598c61727e91b258b5a012b95febf86b6949f139","abstract_canon_sha256":"e846dfc27277dcea79a5b677522b40682b6ad20e7a67a2a8896c1f111b82bab0"},"schema_version":"1.0"},"canonical_sha256":"4222d1bd6744fea99996ce6d64b84829a59ca96fe3e7141cc7c815ab85fee4db","source":{"kind":"arxiv","id":"1710.08432","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.08432","created_at":"2026-05-18T00:29:24Z"},{"alias_kind":"arxiv_version","alias_value":"1710.08432v1","created_at":"2026-05-18T00:29:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.08432","created_at":"2026-05-18T00:29:24Z"},{"alias_kind":"pith_short_12","alias_value":"IIRNDPLHIT7K","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IIRNDPLHIT7KTGMW","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IIRNDPLH","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:IIRNDPLHIT7KTGMWZZWWJOCIFG","target":"record","payload":{"canonical_record":{"source":{"id":"1710.08432","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-23T18:00:09Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"9740305d730aecb2a65edbad598c61727e91b258b5a012b95febf86b6949f139","abstract_canon_sha256":"e846dfc27277dcea79a5b677522b40682b6ad20e7a67a2a8896c1f111b82bab0"},"schema_version":"1.0"},"canonical_sha256":"4222d1bd6744fea99996ce6d64b84829a59ca96fe3e7141cc7c815ab85fee4db","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:24.613013Z","signature_b64":"v201XYaqUshABv07SCTaYNf612s+2lgNYnFyJ6MVU+NWxv9PnpgelL8xV4O47hZsyTWgNjM4/hP2MRuz/KbOBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4222d1bd6744fea99996ce6d64b84829a59ca96fe3e7141cc7c815ab85fee4db","last_reissued_at":"2026-05-18T00:29:24.612462Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:24.612462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.08432","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":"2026-05-18T00:29:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"080ORVi5AmSsgq6UKULR9oXOlzrq2S5xj6PxZFHyh5mX6ScNGBVTcAvatO5+fc8AOzi85Dl4/ixw0VgOdaqZAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:38:00.212697Z"},"content_sha256":"bb16ae4fe8633fc67802239ef397eb6234d64d14ca5561511fbb60ad6b80b8e7","schema_version":"1.0","event_id":"sha256:bb16ae4fe8633fc67802239ef397eb6234d64d14ca5561511fbb60ad6b80b8e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:IIRNDPLHIT7KTGMWZZWWJOCIFG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Limits on quantum gravity effects from Swift short gamma-ray bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"A. Melandri, F. Piron, G. Ghirlanda, G. Ghisellini, G. Tagliaferri, J.-L. Atteia, M. G. Bernardini, P. D'Avanzo, R. Salvaterra, S. Campana, S. Covino","submitted_at":"2017-10-23T18:00:09Z","abstract_excerpt":"The delay in the arrival times between high and low energy photons from cosmic sources can be used to test the violation of the Lorentz invariance (LIV), predicted by some quantum gravity theories, and to constrain its characteristic energy scale ${\\rm E_{QG}}$ that is of the order of the Planck energy. Gamma-ray bursts (GRBs) and blazars are ideal for this purpose thanks to their broad spectral energy distribution and cosmological distances: at first order approximation, the constraints on ${\\rm E_{QG}}$ are proportional to the photon energy separation and the distance of the source. However,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.08432","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":"2026-05-18T00:29:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1U0Ff/whoIR9ozEzTxADgTzpRVn9vRgxMqgf8w0c+zv6j2AFfpWE0n+IiFUZBql9WZYafvp35S/FVS9uc0oLBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:38:00.213387Z"},"content_sha256":"f42b193582c1501d9609c977fb4111bc64af5018f206a66309031a6f6a453c05","schema_version":"1.0","event_id":"sha256:f42b193582c1501d9609c977fb4111bc64af5018f206a66309031a6f6a453c05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IIRNDPLHIT7KTGMWZZWWJOCIFG/bundle.json","state_url":"https://pith.science/pith/IIRNDPLHIT7KTGMWZZWWJOCIFG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IIRNDPLHIT7KTGMWZZWWJOCIFG/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":"2026-05-26T09:38:00Z","links":{"resolver":"https://pith.science/pith/IIRNDPLHIT7KTGMWZZWWJOCIFG","bundle":"https://pith.science/pith/IIRNDPLHIT7KTGMWZZWWJOCIFG/bundle.json","state":"https://pith.science/pith/IIRNDPLHIT7KTGMWZZWWJOCIFG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IIRNDPLHIT7KTGMWZZWWJOCIFG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:IIRNDPLHIT7KTGMWZZWWJOCIFG","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":"e846dfc27277dcea79a5b677522b40682b6ad20e7a67a2a8896c1f111b82bab0","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-23T18:00:09Z","title_canon_sha256":"9740305d730aecb2a65edbad598c61727e91b258b5a012b95febf86b6949f139"},"schema_version":"1.0","source":{"id":"1710.08432","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.08432","created_at":"2026-05-18T00:29:24Z"},{"alias_kind":"arxiv_version","alias_value":"1710.08432v1","created_at":"2026-05-18T00:29:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.08432","created_at":"2026-05-18T00:29:24Z"},{"alias_kind":"pith_short_12","alias_value":"IIRNDPLHIT7K","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IIRNDPLHIT7KTGMW","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IIRNDPLH","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:f42b193582c1501d9609c977fb4111bc64af5018f206a66309031a6f6a453c05","target":"graph","created_at":"2026-05-18T00:29:24Z","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 delay in the arrival times between high and low energy photons from cosmic sources can be used to test the violation of the Lorentz invariance (LIV), predicted by some quantum gravity theories, and to constrain its characteristic energy scale ${\\rm E_{QG}}$ that is of the order of the Planck energy. Gamma-ray bursts (GRBs) and blazars are ideal for this purpose thanks to their broad spectral energy distribution and cosmological distances: at first order approximation, the constraints on ${\\rm E_{QG}}$ are proportional to the photon energy separation and the distance of the source. However,","authors_text":"A. Melandri, F. Piron, G. Ghirlanda, G. Ghisellini, G. Tagliaferri, J.-L. Atteia, M. G. Bernardini, P. D'Avanzo, R. Salvaterra, S. Campana, S. Covino","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-23T18:00:09Z","title":"Limits on quantum gravity effects from Swift short gamma-ray bursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.08432","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:bb16ae4fe8633fc67802239ef397eb6234d64d14ca5561511fbb60ad6b80b8e7","target":"record","created_at":"2026-05-18T00:29:24Z","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":"e846dfc27277dcea79a5b677522b40682b6ad20e7a67a2a8896c1f111b82bab0","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-10-23T18:00:09Z","title_canon_sha256":"9740305d730aecb2a65edbad598c61727e91b258b5a012b95febf86b6949f139"},"schema_version":"1.0","source":{"id":"1710.08432","kind":"arxiv","version":1}},"canonical_sha256":"4222d1bd6744fea99996ce6d64b84829a59ca96fe3e7141cc7c815ab85fee4db","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4222d1bd6744fea99996ce6d64b84829a59ca96fe3e7141cc7c815ab85fee4db","first_computed_at":"2026-05-18T00:29:24.612462Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:24.612462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v201XYaqUshABv07SCTaYNf612s+2lgNYnFyJ6MVU+NWxv9PnpgelL8xV4O47hZsyTWgNjM4/hP2MRuz/KbOBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:24.613013Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.08432","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb16ae4fe8633fc67802239ef397eb6234d64d14ca5561511fbb60ad6b80b8e7","sha256:f42b193582c1501d9609c977fb4111bc64af5018f206a66309031a6f6a453c05"],"state_sha256":"d1fb0c5f0f4da4328d272bf7893083b607409f61c294b6388096a49b271b2c2d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6aJKIqLj4iXjRtXd6m36oUUPfpoNcn9TexnBtNF/EMhyLbWj8eCz1eOWM7d9EJgFgFJ+oNA6Vn05Qy8co4+ICQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:38:00.217734Z","bundle_sha256":"8c3ed99631a0228b224510f47a64d393606d0db6e148a3484b8839a4446bc564"}}