{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:OAOEI2S3QGJPHO3QQ5MPL3NKH6","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":"f178cc1e57328096a496e47eeb10180be61b298138f90bb43d39e931bddfa217","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2007-05-23T18:11:07Z","title_canon_sha256":"bde91e1b786f4634915b630fadc26fc736f71a7ac4cda6be397a780794decda0"},"schema_version":"1.0","source":{"id":"0705.3244","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0705.3244","created_at":"2026-07-04T15:44:23Z"},{"alias_kind":"arxiv_version","alias_value":"0705.3244v3","created_at":"2026-07-04T15:44:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0705.3244","created_at":"2026-07-04T15:44:23Z"},{"alias_kind":"pith_short_12","alias_value":"OAOEI2S3QGJP","created_at":"2026-07-04T15:44:23Z"},{"alias_kind":"pith_short_16","alias_value":"OAOEI2S3QGJPHO3Q","created_at":"2026-07-04T15:44:23Z"},{"alias_kind":"pith_short_8","alias_value":"OAOEI2S3","created_at":"2026-07-04T15:44:23Z"}],"graph_snapshots":[{"event_id":"sha256:095bf35d4f344c6aaa73475b8881f6888d13aa9c868cad385b0c777ac288cf43","target":"graph","created_at":"2026-07-04T15:44:23Z","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/0705.3244/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report about very high energy (VHE) gamma-ray observations of the Crab Nebula with the MAGIC telescope. The gamma-ray flux from the nebula was measured between 60 GeV and 9 TeV. The energy spectrum can be described with a curved power law dF/dE=f0 (E/300 GeV)^(a+b*log10(E/300 GeV)) with a flux normalization f0 of(6.0+-0.2)*10^-10 1/(cm^2 s TeV), a=-2.31+-0.06 and b=-0.26+-0.07. The position of the IC-peak is determined at (77+-47) GeV. Within the observation time and the experimental resolution of the telescope, the gamma-ray emission is steady and pointlike. The emission's center of gravit","authors_text":"et al, MAGIC Collaboration: J. Albert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2007-05-23T18:11:07Z","title":"VHE Gamma-Ray Observation of the Crab Nebula and its Pulsar with the MAGIC telescope"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0705.3244","kind":"arxiv","version":3},"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":"sha256:1769d642349b811bca62755ca43a68a9dd47ae8481f173bf092fa1b0e0855a1d","target":"record","created_at":"2026-07-04T15:44:23Z","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":"f178cc1e57328096a496e47eeb10180be61b298138f90bb43d39e931bddfa217","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2007-05-23T18:11:07Z","title_canon_sha256":"bde91e1b786f4634915b630fadc26fc736f71a7ac4cda6be397a780794decda0"},"schema_version":"1.0","source":{"id":"0705.3244","kind":"arxiv","version":3}},"canonical_sha256":"701c446a5b8192f3bb708758f5edaa3fb716ac11055aaef45aaccfd95f14df2b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"701c446a5b8192f3bb708758f5edaa3fb716ac11055aaef45aaccfd95f14df2b","first_computed_at":"2026-07-04T15:44:23.349914Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:44:23.349914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ng7YqDgUzt+R01ftsYG3S+i6xNbcAH4K8BOSpIj8F55Gktx0+9y6xp0hiqYrF0ho1t2ITVBNcejT6txfxSIoBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:44:23.350346Z","signed_message":"canonical_sha256_bytes"},"source_id":"0705.3244","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1769d642349b811bca62755ca43a68a9dd47ae8481f173bf092fa1b0e0855a1d","sha256:095bf35d4f344c6aaa73475b8881f6888d13aa9c868cad385b0c777ac288cf43"],"state_sha256":"d62ddd6be39f0aad70207fe5888315081e078b0394e32d19bb65563ddd887b53"}