{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:56GA6QQOFOSN7UUBXWRRIXD67Q","short_pith_number":"pith:56GA6QQO","canonical_record":{"source":{"id":"0907.0738","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-07-04T04:02:47Z","cross_cats_sorted":[],"title_canon_sha256":"af93094a50949466e930cbf686f88a6c9e94672cf3759c00bab3f67975ca6e67","abstract_canon_sha256":"cbb2f74caf7c6dca8b11af342a611e3b0e33f0ca09d7a66d01b1f7d6b335497d"},"schema_version":"1.0"},"canonical_sha256":"ef8c0f420e2ba4dfd281bda3145c7efc23d3cfc4fa95e8694b66e90e87480eb8","source":{"kind":"arxiv","id":"0907.0738","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.0738","created_at":"2026-07-04T23:53:01Z"},{"alias_kind":"arxiv_version","alias_value":"0907.0738v1","created_at":"2026-07-04T23:53:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.0738","created_at":"2026-07-04T23:53:01Z"},{"alias_kind":"pith_short_12","alias_value":"56GA6QQOFOSN","created_at":"2026-07-04T23:53:01Z"},{"alias_kind":"pith_short_16","alias_value":"56GA6QQOFOSN7UUB","created_at":"2026-07-04T23:53:01Z"},{"alias_kind":"pith_short_8","alias_value":"56GA6QQO","created_at":"2026-07-04T23:53:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:56GA6QQOFOSN7UUBXWRRIXD67Q","target":"record","payload":{"canonical_record":{"source":{"id":"0907.0738","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-07-04T04:02:47Z","cross_cats_sorted":[],"title_canon_sha256":"af93094a50949466e930cbf686f88a6c9e94672cf3759c00bab3f67975ca6e67","abstract_canon_sha256":"cbb2f74caf7c6dca8b11af342a611e3b0e33f0ca09d7a66d01b1f7d6b335497d"},"schema_version":"1.0"},"canonical_sha256":"ef8c0f420e2ba4dfd281bda3145c7efc23d3cfc4fa95e8694b66e90e87480eb8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:53:01.183547Z","signature_b64":"zyo1VmPPMcGHgYjaHFKTT0HE77FThmfWqCyZKjN1HFEdGd/ADY/qW329ED0Z3HveNWJtHnjnhRTAS03UHL3aDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef8c0f420e2ba4dfd281bda3145c7efc23d3cfc4fa95e8694b66e90e87480eb8","last_reissued_at":"2026-07-04T23:53:01.183181Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:53:01.183181Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.0738","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":"2026-07-04T23:53:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QAa9rFiMiGDfJD1WYd7uJipuGEU920GAI1H2tJlivz6LKNPcvwb49IDzGt2edK6CIVvHB61nFKI83C2oVAv1Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:30:46.077853Z"},"content_sha256":"9c4b9850637fd0b1356261858a84c9dedbf964345fe4c64c9897a3428644bcfb","schema_version":"1.0","event_id":"sha256:9c4b9850637fd0b1356261858a84c9dedbf964345fe4c64c9897a3428644bcfb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:56GA6QQOFOSN7UUBXWRRIXD67Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Search for Dark Matter signatures with MAGIC-I and prospects for MAGIC Phase-II","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Biland, D. Elsaesser, D. Nieto, F. Prada, F. Zandanel (for the MAGIC Collaboration), J.A. Barrio, J. Aleksic, J. Rico, K. Mannheim, L.S. Stark, M.A. Sanchez-Conde, M. Doro, M. Gaug, M. Mariotti, M. Martinez, M. Persic, M. Rissi, S. Lombardi","submitted_at":"2009-07-04T04:02:47Z","abstract_excerpt":"In many Dark Matter (DM) scenarios, the annihilation of DM particles can produce gamma rays with a continuum spectrum that extends up to very high energies of the order of the electroweak symmetry breaking scale (hundreds of GeV). Astrophysical structures supposed to be dynamically dominated by DM, such as dwarf Spheroidal Galaxies, Galaxy Clusters (the largest ones in the local Universe being mostly observable from the northern hemisphere) and Intermediate Mass Black Holes, can be considered as interesting targets to look for DM annihilation with Imaging Atmospheric Cherenkov Telescopes (IACT"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.0738","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/0907.0738/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":"2026-07-04T23:53:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BYw8it6Kr12BevPupwoyb6UQtBIN0jc/7D6sd6yAySajSTGtipaBeTO/JC8W2eVElVV2Mwd1fO2w+iehztepBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:30:46.078292Z"},"content_sha256":"ce40c28414f64b06c6b38b7e111872bcb5111eb8f4e4d9d38f345beb58bbdafb","schema_version":"1.0","event_id":"sha256:ce40c28414f64b06c6b38b7e111872bcb5111eb8f4e4d9d38f345beb58bbdafb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/56GA6QQOFOSN7UUBXWRRIXD67Q/bundle.json","state_url":"https://pith.science/pith/56GA6QQOFOSN7UUBXWRRIXD67Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/56GA6QQOFOSN7UUBXWRRIXD67Q/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":"2026-07-05T14:30:46Z","links":{"resolver":"https://pith.science/pith/56GA6QQOFOSN7UUBXWRRIXD67Q","bundle":"https://pith.science/pith/56GA6QQOFOSN7UUBXWRRIXD67Q/bundle.json","state":"https://pith.science/pith/56GA6QQOFOSN7UUBXWRRIXD67Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/56GA6QQOFOSN7UUBXWRRIXD67Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:56GA6QQOFOSN7UUBXWRRIXD67Q","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":"cbb2f74caf7c6dca8b11af342a611e3b0e33f0ca09d7a66d01b1f7d6b335497d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-07-04T04:02:47Z","title_canon_sha256":"af93094a50949466e930cbf686f88a6c9e94672cf3759c00bab3f67975ca6e67"},"schema_version":"1.0","source":{"id":"0907.0738","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.0738","created_at":"2026-07-04T23:53:01Z"},{"alias_kind":"arxiv_version","alias_value":"0907.0738v1","created_at":"2026-07-04T23:53:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.0738","created_at":"2026-07-04T23:53:01Z"},{"alias_kind":"pith_short_12","alias_value":"56GA6QQOFOSN","created_at":"2026-07-04T23:53:01Z"},{"alias_kind":"pith_short_16","alias_value":"56GA6QQOFOSN7UUB","created_at":"2026-07-04T23:53:01Z"},{"alias_kind":"pith_short_8","alias_value":"56GA6QQO","created_at":"2026-07-04T23:53:01Z"}],"graph_snapshots":[{"event_id":"sha256:ce40c28414f64b06c6b38b7e111872bcb5111eb8f4e4d9d38f345beb58bbdafb","target":"graph","created_at":"2026-07-04T23:53:01Z","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/0907.0738/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In many Dark Matter (DM) scenarios, the annihilation of DM particles can produce gamma rays with a continuum spectrum that extends up to very high energies of the order of the electroweak symmetry breaking scale (hundreds of GeV). Astrophysical structures supposed to be dynamically dominated by DM, such as dwarf Spheroidal Galaxies, Galaxy Clusters (the largest ones in the local Universe being mostly observable from the northern hemisphere) and Intermediate Mass Black Holes, can be considered as interesting targets to look for DM annihilation with Imaging Atmospheric Cherenkov Telescopes (IACT","authors_text":"A. Biland, D. Elsaesser, D. Nieto, F. Prada, F. Zandanel (for the MAGIC Collaboration), J.A. Barrio, J. Aleksic, J. Rico, K. Mannheim, L.S. Stark, M.A. Sanchez-Conde, M. Doro, M. Gaug, M. Mariotti, M. Martinez, M. Persic, M. Rissi, S. Lombardi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-07-04T04:02:47Z","title":"Search for Dark Matter signatures with MAGIC-I and prospects for MAGIC Phase-II"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.0738","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":"sha256:9c4b9850637fd0b1356261858a84c9dedbf964345fe4c64c9897a3428644bcfb","target":"record","created_at":"2026-07-04T23:53:01Z","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":"cbb2f74caf7c6dca8b11af342a611e3b0e33f0ca09d7a66d01b1f7d6b335497d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-07-04T04:02:47Z","title_canon_sha256":"af93094a50949466e930cbf686f88a6c9e94672cf3759c00bab3f67975ca6e67"},"schema_version":"1.0","source":{"id":"0907.0738","kind":"arxiv","version":1}},"canonical_sha256":"ef8c0f420e2ba4dfd281bda3145c7efc23d3cfc4fa95e8694b66e90e87480eb8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef8c0f420e2ba4dfd281bda3145c7efc23d3cfc4fa95e8694b66e90e87480eb8","first_computed_at":"2026-07-04T23:53:01.183181Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:53:01.183181Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zyo1VmPPMcGHgYjaHFKTT0HE77FThmfWqCyZKjN1HFEdGd/ADY/qW329ED0Z3HveNWJtHnjnhRTAS03UHL3aDg==","signature_status":"signed_v1","signed_at":"2026-07-04T23:53:01.183547Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.0738","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c4b9850637fd0b1356261858a84c9dedbf964345fe4c64c9897a3428644bcfb","sha256:ce40c28414f64b06c6b38b7e111872bcb5111eb8f4e4d9d38f345beb58bbdafb"],"state_sha256":"05fb0782b6cb714cba70bdf756bcb6a76f8b4c7a804da849200643f978c1110a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oEVXUlG3ZY00vxmDNlsbVjt2ZiqG7bv5R96TFyRnmpRzMZVn9UJeACEe+k4suL52WAPfOMWaLCFZl3IWE3bJAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T14:30:46.080695Z","bundle_sha256":"2500986661321281a41e0a402c3816c1bc091ccf849d100def6723e5318c0b25"}}