{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:U6TFUVHMIFVECX4GQJEMCAWRHH","short_pith_number":"pith:U6TFUVHM","canonical_record":{"source":{"id":"1110.1809","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-10-09T08:44:50Z","cross_cats_sorted":[],"title_canon_sha256":"719dfc272797ff85f296a3d0c210886983e2a7d543ac5a7169608ab669c20ded","abstract_canon_sha256":"42f027663e957d467b915da9ebe58947086e4aa1769c9b4d21745476bbc1fceb"},"schema_version":"1.0"},"canonical_sha256":"a7a65a54ec416a415f868248c102d139dbce41961a444ef21af60c064dad994e","source":{"kind":"arxiv","id":"1110.1809","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1809","created_at":"2026-07-04T23:54:44Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1809v1","created_at":"2026-07-04T23:54:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1809","created_at":"2026-07-04T23:54:44Z"},{"alias_kind":"pith_short_12","alias_value":"U6TFUVHMIFVE","created_at":"2026-07-04T23:54:44Z"},{"alias_kind":"pith_short_16","alias_value":"U6TFUVHMIFVECX4G","created_at":"2026-07-04T23:54:44Z"},{"alias_kind":"pith_short_8","alias_value":"U6TFUVHM","created_at":"2026-07-04T23:54:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:U6TFUVHMIFVECX4GQJEMCAWRHH","target":"record","payload":{"canonical_record":{"source":{"id":"1110.1809","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-10-09T08:44:50Z","cross_cats_sorted":[],"title_canon_sha256":"719dfc272797ff85f296a3d0c210886983e2a7d543ac5a7169608ab669c20ded","abstract_canon_sha256":"42f027663e957d467b915da9ebe58947086e4aa1769c9b4d21745476bbc1fceb"},"schema_version":"1.0"},"canonical_sha256":"a7a65a54ec416a415f868248c102d139dbce41961a444ef21af60c064dad994e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:54:44.286531Z","signature_b64":"C6oYnqC9MLlmCnSoENJ1+8BjfzKLkHt1v618nlmxv3PBjFtlBwdGAw/YWTd7RJCWKj+NqE/nMav2J4cViqcPCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7a65a54ec416a415f868248c102d139dbce41961a444ef21af60c064dad994e","last_reissued_at":"2026-07-04T23:54:44.286138Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:54:44.286138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.1809","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":"2026-07-04T23:54:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"shC/KSUuSjko9N6E6Zu/fatY+EOGYbgRSdrc0VvDPLXB7qlvXhM7WPr9tRoKAuEL8A8Koc1RHhxmHXBjf2i1DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T03:55:03.731119Z"},"content_sha256":"25e3fc21860eb218ddd5c0690ed253280de6801257596b9ea171ba23c06c71b1","schema_version":"1.0","event_id":"sha256:25e3fc21860eb218ddd5c0690ed253280de6801257596b9ea171ba23c06c71b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:U6TFUVHMIFVECX4GQJEMCAWRHH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TeV gamma-ray survey of the northern sky using the ARGO-YBJ experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"S.Z. Chen (for the ARGO-YBJ collaboration), Z. Cao","submitted_at":"2011-10-09T08:44:50Z","abstract_excerpt":"The ARGO-YBJ experiment is an extensive air shower array with full coverage RPC detectors located at Yangbajing (4300 m asl, Tibet, China). It is operated with high duty cycle (>86%) and a large field of view ($\\sim$ 2sr). It continuously monitors the entire overhead sky at $\\gamma$-ray energies above 0.1 TeV. In the talk, we will present the result of the northern sky survey (between declinations of -10$^{\\circ}$ and 70$^{\\circ}$) from an analysis of ~4 years of the ARGO-YBJ data (between July 2006 and February 2011). There are four known TeV sources observed with significance greater than 5 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1809","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1110.1809/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T23:54:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AWbkFDqBVyGJfB+AAulRSWDfuAuoltxuBA4L+uASe7f+v8aGpkk6+3uDnSznYStNHCSyyTThtC4eku1bU4NTCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T03:55:03.731506Z"},"content_sha256":"127e8fee2c31cd89b9569dc89fae84fbb110618cc99964e87f59ce44ebf68551","schema_version":"1.0","event_id":"sha256:127e8fee2c31cd89b9569dc89fae84fbb110618cc99964e87f59ce44ebf68551"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U6TFUVHMIFVECX4GQJEMCAWRHH/bundle.json","state_url":"https://pith.science/pith/U6TFUVHMIFVECX4GQJEMCAWRHH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U6TFUVHMIFVECX4GQJEMCAWRHH/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":"2026-07-13T03:55:03Z","links":{"resolver":"https://pith.science/pith/U6TFUVHMIFVECX4GQJEMCAWRHH","bundle":"https://pith.science/pith/U6TFUVHMIFVECX4GQJEMCAWRHH/bundle.json","state":"https://pith.science/pith/U6TFUVHMIFVECX4GQJEMCAWRHH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U6TFUVHMIFVECX4GQJEMCAWRHH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:U6TFUVHMIFVECX4GQJEMCAWRHH","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":"42f027663e957d467b915da9ebe58947086e4aa1769c9b4d21745476bbc1fceb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-10-09T08:44:50Z","title_canon_sha256":"719dfc272797ff85f296a3d0c210886983e2a7d543ac5a7169608ab669c20ded"},"schema_version":"1.0","source":{"id":"1110.1809","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1809","created_at":"2026-07-04T23:54:44Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1809v1","created_at":"2026-07-04T23:54:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1809","created_at":"2026-07-04T23:54:44Z"},{"alias_kind":"pith_short_12","alias_value":"U6TFUVHMIFVE","created_at":"2026-07-04T23:54:44Z"},{"alias_kind":"pith_short_16","alias_value":"U6TFUVHMIFVECX4G","created_at":"2026-07-04T23:54:44Z"},{"alias_kind":"pith_short_8","alias_value":"U6TFUVHM","created_at":"2026-07-04T23:54:44Z"}],"graph_snapshots":[{"event_id":"sha256:127e8fee2c31cd89b9569dc89fae84fbb110618cc99964e87f59ce44ebf68551","target":"graph","created_at":"2026-07-04T23:54:44Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1110.1809/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The ARGO-YBJ experiment is an extensive air shower array with full coverage RPC detectors located at Yangbajing (4300 m asl, Tibet, China). It is operated with high duty cycle (>86%) and a large field of view ($\\sim$ 2sr). It continuously monitors the entire overhead sky at $\\gamma$-ray energies above 0.1 TeV. In the talk, we will present the result of the northern sky survey (between declinations of -10$^{\\circ}$ and 70$^{\\circ}$) from an analysis of ~4 years of the ARGO-YBJ data (between July 2006 and February 2011). There are four known TeV sources observed with significance greater than 5 ","authors_text":"S.Z. Chen (for the ARGO-YBJ collaboration), Z. Cao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-10-09T08:44:50Z","title":"TeV gamma-ray survey of the northern sky using the ARGO-YBJ experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1809","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":"sha256:25e3fc21860eb218ddd5c0690ed253280de6801257596b9ea171ba23c06c71b1","target":"record","created_at":"2026-07-04T23:54:44Z","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":"42f027663e957d467b915da9ebe58947086e4aa1769c9b4d21745476bbc1fceb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-10-09T08:44:50Z","title_canon_sha256":"719dfc272797ff85f296a3d0c210886983e2a7d543ac5a7169608ab669c20ded"},"schema_version":"1.0","source":{"id":"1110.1809","kind":"arxiv","version":1}},"canonical_sha256":"a7a65a54ec416a415f868248c102d139dbce41961a444ef21af60c064dad994e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7a65a54ec416a415f868248c102d139dbce41961a444ef21af60c064dad994e","first_computed_at":"2026-07-04T23:54:44.286138Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:54:44.286138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C6oYnqC9MLlmCnSoENJ1+8BjfzKLkHt1v618nlmxv3PBjFtlBwdGAw/YWTd7RJCWKj+NqE/nMav2J4cViqcPCw==","signature_status":"signed_v1","signed_at":"2026-07-04T23:54:44.286531Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.1809","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25e3fc21860eb218ddd5c0690ed253280de6801257596b9ea171ba23c06c71b1","sha256:127e8fee2c31cd89b9569dc89fae84fbb110618cc99964e87f59ce44ebf68551"],"state_sha256":"82fcea768e0a4262c84de292315a250bca50e0ba216d990514fa23edc3b3c745"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BuHIeLxCpvaQlIvUzKbnp1QCGO9nTmfnN2aWpOPrjTlGX8q5YQyUiZq2+VnzYT5QaJF7T+3fyuG+tHh3pCBBCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-13T03:55:03.733975Z","bundle_sha256":"8e658bfb1dde96a6b63fe6ce86e69235059c480948058786c69f8cb55aefe9b2"}}