{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:X3LCY3DZNWM2LUFSUUDF5ZRNZG","short_pith_number":"pith:X3LCY3DZ","canonical_record":{"source":{"id":"1905.07806","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-19T20:46:30Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"ee19d8b2e574aa71f4bada4942e171f5f005cf835b088889bdc2fdbd924704c2","abstract_canon_sha256":"67ae9e430a988e6446f6686668da70649aea1bf97fd1879d91f3a63a149ae23b"},"schema_version":"1.0"},"canonical_sha256":"bed62c6c796d99a5d0b2a5065ee62dc9bc0bb1f8e89bee804fb162095641fd14","source":{"kind":"arxiv","id":"1905.07806","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.07806","created_at":"2026-05-17T23:45:48Z"},{"alias_kind":"arxiv_version","alias_value":"1905.07806v1","created_at":"2026-05-17T23:45:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.07806","created_at":"2026-05-17T23:45:48Z"},{"alias_kind":"pith_short_12","alias_value":"X3LCY3DZNWM2","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"X3LCY3DZNWM2LUFS","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"X3LCY3DZ","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:X3LCY3DZNWM2LUFSUUDF5ZRNZG","target":"record","payload":{"canonical_record":{"source":{"id":"1905.07806","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-19T20:46:30Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"ee19d8b2e574aa71f4bada4942e171f5f005cf835b088889bdc2fdbd924704c2","abstract_canon_sha256":"67ae9e430a988e6446f6686668da70649aea1bf97fd1879d91f3a63a149ae23b"},"schema_version":"1.0"},"canonical_sha256":"bed62c6c796d99a5d0b2a5065ee62dc9bc0bb1f8e89bee804fb162095641fd14","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:48.425981Z","signature_b64":"XvNMDAr6Z2vW28pphgLEeH+mAjmWhJBq8KiEIgZmFwMih5luI7WmuM8Frpam6Jlf0BBX6p6Wn1l4qEA+ravPBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bed62c6c796d99a5d0b2a5065ee62dc9bc0bb1f8e89bee804fb162095641fd14","last_reissued_at":"2026-05-17T23:45:48.425400Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:48.425400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.07806","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":"2026-05-17T23:45:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gxQsh+NBe2ghCPZgGWcqla5TIosMurPzVf029GEMFxuV0aLL41rGzrWwpgX1RWrRLmnnciKIFIHzw9LglYB4Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T01:07:36.443802Z"},"content_sha256":"997faad82798719505aa749a7012531eec88bda12e880e5b63ecfa7ef44c1abe","schema_version":"1.0","event_id":"sha256:997faad82798719505aa749a7012531eec88bda12e880e5b63ecfa7ef44c1abe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:X3LCY3DZNWM2LUFSUUDF5ZRNZG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"All-Sky-ASTROGAM: The MeV Gamma-Ray Companion to Multimessenger Astronomy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.HE","authors_text":"A. Argan, A. Bulgarelli, A. Bykov, A. De Angelis, A. Meuris, A. Morselli, A. Ulyanov, A. Zdziarski, A. Zoglauer, D. Dominis Prester, D. H. Hartmann, G. Ambrosi, G. Kanbach, I. Grenier, I. Kuvvetli, J. Isern, J. McEnery, J. Rico, K. Nakazawa, L. Hanlon, M. Hernanz, M.N. Mazziotta, M. Pearce, M. Tavani, P. Laurent, P. von Ballmoos, R. Curado da Silva, R. Rando, R. Walter, S. Brandt, S. Ciprini, S. Mereghetti, U. Oberlack, V. Fioretti, V. Tatischeff, X. Wu","submitted_at":"2019-05-19T20:46:30Z","abstract_excerpt":"All-Sky-ASTROGAM is a gamma-ray observatory operating in a broad energy range, 100 keV to a few hundred MeV, recently proposed as the \"Fast\" (F) mission of the European Space Agency for a launch in 2028 to an L2 orbit. The scientific payload is composed of a unique gamma-ray imaging monitor for astrophysical transients, with very large field of view (almost 4$\\pi$ sr) and optimal sensitivity to detect bright and intermediate flux sources (gamma-ray bursts, active galactic nuclei, X-ray binaries, supernovae and novae) at different timescales ranging from seconds to months. The mission will oper"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.07806","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":"2026-05-17T23:45:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r0YrR9DekmWWyJnEcoYsl+K6nWJRuepIUncgIXnuldkha12oPwzEcDbEOHE0gtcEJK74w7zVLy6iXI2oE3jeBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T01:07:36.444492Z"},"content_sha256":"79ca053221d2402dc7bcdb2ea50f03fd1e51a9ddadc04cb036fc684cc29f1020","schema_version":"1.0","event_id":"sha256:79ca053221d2402dc7bcdb2ea50f03fd1e51a9ddadc04cb036fc684cc29f1020"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X3LCY3DZNWM2LUFSUUDF5ZRNZG/bundle.json","state_url":"https://pith.science/pith/X3LCY3DZNWM2LUFSUUDF5ZRNZG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X3LCY3DZNWM2LUFSUUDF5ZRNZG/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":"2026-05-30T01:07:36Z","links":{"resolver":"https://pith.science/pith/X3LCY3DZNWM2LUFSUUDF5ZRNZG","bundle":"https://pith.science/pith/X3LCY3DZNWM2LUFSUUDF5ZRNZG/bundle.json","state":"https://pith.science/pith/X3LCY3DZNWM2LUFSUUDF5ZRNZG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X3LCY3DZNWM2LUFSUUDF5ZRNZG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:X3LCY3DZNWM2LUFSUUDF5ZRNZG","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":"67ae9e430a988e6446f6686668da70649aea1bf97fd1879d91f3a63a149ae23b","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-19T20:46:30Z","title_canon_sha256":"ee19d8b2e574aa71f4bada4942e171f5f005cf835b088889bdc2fdbd924704c2"},"schema_version":"1.0","source":{"id":"1905.07806","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.07806","created_at":"2026-05-17T23:45:48Z"},{"alias_kind":"arxiv_version","alias_value":"1905.07806v1","created_at":"2026-05-17T23:45:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.07806","created_at":"2026-05-17T23:45:48Z"},{"alias_kind":"pith_short_12","alias_value":"X3LCY3DZNWM2","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"X3LCY3DZNWM2LUFS","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"X3LCY3DZ","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:79ca053221d2402dc7bcdb2ea50f03fd1e51a9ddadc04cb036fc684cc29f1020","target":"graph","created_at":"2026-05-17T23:45:48Z","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":"All-Sky-ASTROGAM is a gamma-ray observatory operating in a broad energy range, 100 keV to a few hundred MeV, recently proposed as the \"Fast\" (F) mission of the European Space Agency for a launch in 2028 to an L2 orbit. The scientific payload is composed of a unique gamma-ray imaging monitor for astrophysical transients, with very large field of view (almost 4$\\pi$ sr) and optimal sensitivity to detect bright and intermediate flux sources (gamma-ray bursts, active galactic nuclei, X-ray binaries, supernovae and novae) at different timescales ranging from seconds to months. The mission will oper","authors_text":"A. Argan, A. Bulgarelli, A. Bykov, A. De Angelis, A. Meuris, A. Morselli, A. Ulyanov, A. Zdziarski, A. Zoglauer, D. Dominis Prester, D. H. Hartmann, G. Ambrosi, G. Kanbach, I. Grenier, I. Kuvvetli, J. Isern, J. McEnery, J. Rico, K. Nakazawa, L. Hanlon, M. Hernanz, M.N. Mazziotta, M. Pearce, M. Tavani, P. Laurent, P. von Ballmoos, R. Curado da Silva, R. Rando, R. Walter, S. Brandt, S. Ciprini, S. Mereghetti, U. Oberlack, V. Fioretti, V. Tatischeff, X. Wu","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-19T20:46:30Z","title":"All-Sky-ASTROGAM: The MeV Gamma-Ray Companion to Multimessenger Astronomy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.07806","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":"sha256:997faad82798719505aa749a7012531eec88bda12e880e5b63ecfa7ef44c1abe","target":"record","created_at":"2026-05-17T23:45:48Z","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":"67ae9e430a988e6446f6686668da70649aea1bf97fd1879d91f3a63a149ae23b","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-19T20:46:30Z","title_canon_sha256":"ee19d8b2e574aa71f4bada4942e171f5f005cf835b088889bdc2fdbd924704c2"},"schema_version":"1.0","source":{"id":"1905.07806","kind":"arxiv","version":1}},"canonical_sha256":"bed62c6c796d99a5d0b2a5065ee62dc9bc0bb1f8e89bee804fb162095641fd14","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bed62c6c796d99a5d0b2a5065ee62dc9bc0bb1f8e89bee804fb162095641fd14","first_computed_at":"2026-05-17T23:45:48.425400Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:48.425400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XvNMDAr6Z2vW28pphgLEeH+mAjmWhJBq8KiEIgZmFwMih5luI7WmuM8Frpam6Jlf0BBX6p6Wn1l4qEA+ravPBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:48.425981Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.07806","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:997faad82798719505aa749a7012531eec88bda12e880e5b63ecfa7ef44c1abe","sha256:79ca053221d2402dc7bcdb2ea50f03fd1e51a9ddadc04cb036fc684cc29f1020"],"state_sha256":"c4977d026ccfee7d1d82419e10dcdb7deac620d55275d0bba1757e065d2ddf27"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RexPlT+3nO+19v1DCl7OgzWUg05Zikt+Ozm68rX8srZs4Sly35aPc5HdUQtQKN0RbpVfb9PhB50gvxW4V/lODg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T01:07:36.447946Z","bundle_sha256":"6ead7c17c0ff63bd99f28776b9023d35d86af69ea0c70f7a15cb261f024b3692"}}