{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:KHUXSVTW3XK6D6NVSKGMAQKXE6","short_pith_number":"pith:KHUXSVTW","canonical_record":{"source":{"id":"0910.2765","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-10-15T02:55:47Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"74c3349711ebc6246ee2708a0ba2f786d6a7ffe5f4084f801048d119ac4fee63","abstract_canon_sha256":"aa48f35c0719791b310b473f25b7ede9e91e3fbb1f2a0b701c02c88c37d4dfec"},"schema_version":"1.0"},"canonical_sha256":"51e9795676ddd5e1f9b5928cc04157278533a37200cec33a06283eb79fedb96b","source":{"kind":"arxiv","id":"0910.2765","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.2765","created_at":"2026-05-18T00:48:48Z"},{"alias_kind":"arxiv_version","alias_value":"0910.2765v2","created_at":"2026-05-18T00:48:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.2765","created_at":"2026-05-18T00:48:48Z"},{"alias_kind":"pith_short_12","alias_value":"KHUXSVTW3XK6","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"KHUXSVTW3XK6D6NV","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"KHUXSVTW","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:KHUXSVTW3XK6D6NVSKGMAQKXE6","target":"record","payload":{"canonical_record":{"source":{"id":"0910.2765","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-10-15T02:55:47Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"74c3349711ebc6246ee2708a0ba2f786d6a7ffe5f4084f801048d119ac4fee63","abstract_canon_sha256":"aa48f35c0719791b310b473f25b7ede9e91e3fbb1f2a0b701c02c88c37d4dfec"},"schema_version":"1.0"},"canonical_sha256":"51e9795676ddd5e1f9b5928cc04157278533a37200cec33a06283eb79fedb96b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:48.210548Z","signature_b64":"jswELTpi5FEDB89KKWlbTglfPVTWe11mBfsZ5wboR+fEsRems25zxO5115lkA5QMU4zRt1H+TAs68XvHI1M0BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"51e9795676ddd5e1f9b5928cc04157278533a37200cec33a06283eb79fedb96b","last_reissued_at":"2026-05-18T00:48:48.209679Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:48.209679Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.2765","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:48:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Au/ZlrGApmjl8AIl1lrczTs3LEExDNre6eWfZmwpIPKuFkL2OMLvPEFivAFpdi8BudplXPRiIYU+Qxzrbqq7AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:34:25.873293Z"},"content_sha256":"e882d654151ee53af7f2fe5936361e65caba5934581ccc434abb402f6a3b21dd","schema_version":"1.0","event_id":"sha256:e882d654151ee53af7f2fe5936361e65caba5934581ccc434abb402f6a3b21dd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:KHUXSVTW3XK6D6NVSKGMAQKXE6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Systematic Survey of the Correlation between Northern HECR Events and SDSS Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"Hajime Takami, Katsuhiko Sato, Takahiro Nishimichi","submitted_at":"2009-10-15T02:55:47Z","abstract_excerpt":"We investigated the spatial correlation between the arrival directions of the highest energy cosmic rays (HECRs) detected by the Akeno Giant Air Shower Array (AGASA) with energies above $4 \\times 10^{19}$ eV and the positions of galaxies observed by the Sloan Digital Sky Survey (SDSS) within $z = 0.024$. We systematically tested the dependence of the correlation on the redshift ranges and properties of the galaxies, i.e., absolute luminosity, color, and morphology, to understand where HECR sources are and what objects are HECR sources. In the systematic survey, we found potential signals of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.2765","kind":"arxiv","version":2},"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":"2026-05-18T00:48:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3qXr3E+bRB7B/qFkAzxtxJZ7QcOybZvcVx03tcfEGAxt/joUqRipdnlTKQ3JBmZn3tiPyORyg8axrS1rsMiqAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:34:25.874002Z"},"content_sha256":"2db930d870c7f1efc7ea77b094ae3553731bed54e46df3789c364f30a180a14a","schema_version":"1.0","event_id":"sha256:2db930d870c7f1efc7ea77b094ae3553731bed54e46df3789c364f30a180a14a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KHUXSVTW3XK6D6NVSKGMAQKXE6/bundle.json","state_url":"https://pith.science/pith/KHUXSVTW3XK6D6NVSKGMAQKXE6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KHUXSVTW3XK6D6NVSKGMAQKXE6/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":"2026-06-04T03:34:25Z","links":{"resolver":"https://pith.science/pith/KHUXSVTW3XK6D6NVSKGMAQKXE6","bundle":"https://pith.science/pith/KHUXSVTW3XK6D6NVSKGMAQKXE6/bundle.json","state":"https://pith.science/pith/KHUXSVTW3XK6D6NVSKGMAQKXE6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KHUXSVTW3XK6D6NVSKGMAQKXE6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:KHUXSVTW3XK6D6NVSKGMAQKXE6","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":"aa48f35c0719791b310b473f25b7ede9e91e3fbb1f2a0b701c02c88c37d4dfec","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-10-15T02:55:47Z","title_canon_sha256":"74c3349711ebc6246ee2708a0ba2f786d6a7ffe5f4084f801048d119ac4fee63"},"schema_version":"1.0","source":{"id":"0910.2765","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.2765","created_at":"2026-05-18T00:48:48Z"},{"alias_kind":"arxiv_version","alias_value":"0910.2765v2","created_at":"2026-05-18T00:48:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.2765","created_at":"2026-05-18T00:48:48Z"},{"alias_kind":"pith_short_12","alias_value":"KHUXSVTW3XK6","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"KHUXSVTW3XK6D6NV","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"KHUXSVTW","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:2db930d870c7f1efc7ea77b094ae3553731bed54e46df3789c364f30a180a14a","target":"graph","created_at":"2026-05-18T00:48:48Z","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":"We investigated the spatial correlation between the arrival directions of the highest energy cosmic rays (HECRs) detected by the Akeno Giant Air Shower Array (AGASA) with energies above $4 \\times 10^{19}$ eV and the positions of galaxies observed by the Sloan Digital Sky Survey (SDSS) within $z = 0.024$. We systematically tested the dependence of the correlation on the redshift ranges and properties of the galaxies, i.e., absolute luminosity, color, and morphology, to understand where HECR sources are and what objects are HECR sources. In the systematic survey, we found potential signals of th","authors_text":"Hajime Takami, Katsuhiko Sato, Takahiro Nishimichi","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-10-15T02:55:47Z","title":"Systematic Survey of the Correlation between Northern HECR Events and SDSS Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.2765","kind":"arxiv","version":2},"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:e882d654151ee53af7f2fe5936361e65caba5934581ccc434abb402f6a3b21dd","target":"record","created_at":"2026-05-18T00:48:48Z","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":"aa48f35c0719791b310b473f25b7ede9e91e3fbb1f2a0b701c02c88c37d4dfec","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-10-15T02:55:47Z","title_canon_sha256":"74c3349711ebc6246ee2708a0ba2f786d6a7ffe5f4084f801048d119ac4fee63"},"schema_version":"1.0","source":{"id":"0910.2765","kind":"arxiv","version":2}},"canonical_sha256":"51e9795676ddd5e1f9b5928cc04157278533a37200cec33a06283eb79fedb96b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"51e9795676ddd5e1f9b5928cc04157278533a37200cec33a06283eb79fedb96b","first_computed_at":"2026-05-18T00:48:48.209679Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:48.209679Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jswELTpi5FEDB89KKWlbTglfPVTWe11mBfsZ5wboR+fEsRems25zxO5115lkA5QMU4zRt1H+TAs68XvHI1M0BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:48.210548Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.2765","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e882d654151ee53af7f2fe5936361e65caba5934581ccc434abb402f6a3b21dd","sha256:2db930d870c7f1efc7ea77b094ae3553731bed54e46df3789c364f30a180a14a"],"state_sha256":"6d55b865fd1c8f0eab272c76381491aa183c4a9b8cded9adc56d211c6dc30c51"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1+nG/aZbpCuR229i7xlF8TluoYMGZV1sg0Atd4swWQ7xA0xVDsbeG7XV/6qGXHl1WcRwNBJ/vM7e3nKOzAEnDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T03:34:25.877862Z","bundle_sha256":"c89ec1e214c5dd2849d94abbfbaf999d97670bacf76991bf346fc585d2753426"}}