{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:KN6NKX2KH7MGCOV7YA7654NCMY","short_pith_number":"pith:KN6NKX2K","canonical_record":{"source":{"id":"1604.05776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-04-20T00:17:02Z","cross_cats_sorted":[],"title_canon_sha256":"1e4aabb226e12cea8d18f379ec33ab9a9540822e11abe2bb67074cee8250d07b","abstract_canon_sha256":"6448247c14395e56a85267a91cf74306b9cc42c555dc540a59d1415de329ba60"},"schema_version":"1.0"},"canonical_sha256":"537cd55f4a3fd8613abfc03feef1a266049f1cc26a7c29ea4660c8249116bf18","source":{"kind":"arxiv","id":"1604.05776","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05776","created_at":"2026-05-18T01:16:37Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05776v1","created_at":"2026-05-18T01:16:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05776","created_at":"2026-05-18T01:16:37Z"},{"alias_kind":"pith_short_12","alias_value":"KN6NKX2KH7MG","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KN6NKX2KH7MGCOV7","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KN6NKX2K","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:KN6NKX2KH7MGCOV7YA7654NCMY","target":"record","payload":{"canonical_record":{"source":{"id":"1604.05776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-04-20T00:17:02Z","cross_cats_sorted":[],"title_canon_sha256":"1e4aabb226e12cea8d18f379ec33ab9a9540822e11abe2bb67074cee8250d07b","abstract_canon_sha256":"6448247c14395e56a85267a91cf74306b9cc42c555dc540a59d1415de329ba60"},"schema_version":"1.0"},"canonical_sha256":"537cd55f4a3fd8613abfc03feef1a266049f1cc26a7c29ea4660c8249116bf18","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:37.200263Z","signature_b64":"B1PGT63rlsvGRDaMzOYRonCNHNDEVV9d/VK+RvfIkvPBXSN6Cs2hmSXMn5SCT0XCC8AeEPPqjhVV3PoYNmsIDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"537cd55f4a3fd8613abfc03feef1a266049f1cc26a7c29ea4660c8249116bf18","last_reissued_at":"2026-05-18T01:16:37.199537Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:37.199537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.05776","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":"2026-05-18T01:16:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9Anx5HwK/z4iwx//BQ4y204pZ0eH/0L1QXzvSGF2bHrQXE5BZbC8EQM8FHV2VQtgTwouYfN2xMwEUXxStNSGBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:04:07.968515Z"},"content_sha256":"945119a220aaf847e7ae8fc5a88504cfd2834760b0b019d7c7fb740909ea43af","schema_version":"1.0","event_id":"sha256:945119a220aaf847e7ae8fc5a88504cfd2834760b0b019d7c7fb740909ea43af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:KN6NKX2KH7MGCOV7YA7654NCMY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interpretation of astrophysical neutrinos observed by IceCube experiment by setting Galactic and extra-Galactic spectral components","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alfredo Urbano, Antonio Marinelli, Daniele Gaggero, Dario Grasso, Mauro Valli","submitted_at":"2016-04-20T00:17:02Z","abstract_excerpt":"The last IceCube catalog of High Energy Starting Events (HESE) obtained with a livetime of 1347 days comprises 54 neutrino events equally-distributed between the three families with energies between 25 TeV and few PeVs. Considering the homogeneous flavors distribution (1:1:1) and the spectral features of these neutrinos the IceCube collaboration claims the astrophysical origin of these events with more than $5\\sigma$. The spatial distribution of cited events does not show a clear correlation with known astrophysical accelerators leaving opened both the Galactic and the extra-Galactic origin in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05776","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":"2026-05-18T01:16:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jmL7W8p4H3uuRc41Po+Ca+hfzJtMkx0vj+YlmuwbXLhLfYAjqL74jxBzVVbBnsMJUlqOhQoNEPM7gDbI9d4sDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:04:07.968921Z"},"content_sha256":"078967e30f27e20e82589ed7f0c70f2520581ff84e26806ee20223344b9588f2","schema_version":"1.0","event_id":"sha256:078967e30f27e20e82589ed7f0c70f2520581ff84e26806ee20223344b9588f2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KN6NKX2KH7MGCOV7YA7654NCMY/bundle.json","state_url":"https://pith.science/pith/KN6NKX2KH7MGCOV7YA7654NCMY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KN6NKX2KH7MGCOV7YA7654NCMY/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":"2026-06-03T21:04:07Z","links":{"resolver":"https://pith.science/pith/KN6NKX2KH7MGCOV7YA7654NCMY","bundle":"https://pith.science/pith/KN6NKX2KH7MGCOV7YA7654NCMY/bundle.json","state":"https://pith.science/pith/KN6NKX2KH7MGCOV7YA7654NCMY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KN6NKX2KH7MGCOV7YA7654NCMY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:KN6NKX2KH7MGCOV7YA7654NCMY","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":"6448247c14395e56a85267a91cf74306b9cc42c555dc540a59d1415de329ba60","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-04-20T00:17:02Z","title_canon_sha256":"1e4aabb226e12cea8d18f379ec33ab9a9540822e11abe2bb67074cee8250d07b"},"schema_version":"1.0","source":{"id":"1604.05776","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05776","created_at":"2026-05-18T01:16:37Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05776v1","created_at":"2026-05-18T01:16:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05776","created_at":"2026-05-18T01:16:37Z"},{"alias_kind":"pith_short_12","alias_value":"KN6NKX2KH7MG","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KN6NKX2KH7MGCOV7","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KN6NKX2K","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:078967e30f27e20e82589ed7f0c70f2520581ff84e26806ee20223344b9588f2","target":"graph","created_at":"2026-05-18T01:16:37Z","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":"The last IceCube catalog of High Energy Starting Events (HESE) obtained with a livetime of 1347 days comprises 54 neutrino events equally-distributed between the three families with energies between 25 TeV and few PeVs. Considering the homogeneous flavors distribution (1:1:1) and the spectral features of these neutrinos the IceCube collaboration claims the astrophysical origin of these events with more than $5\\sigma$. The spatial distribution of cited events does not show a clear correlation with known astrophysical accelerators leaving opened both the Galactic and the extra-Galactic origin in","authors_text":"Alfredo Urbano, Antonio Marinelli, Daniele Gaggero, Dario Grasso, Mauro Valli","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-04-20T00:17:02Z","title":"Interpretation of astrophysical neutrinos observed by IceCube experiment by setting Galactic and extra-Galactic spectral components"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05776","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":"sha256:945119a220aaf847e7ae8fc5a88504cfd2834760b0b019d7c7fb740909ea43af","target":"record","created_at":"2026-05-18T01:16:37Z","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":"6448247c14395e56a85267a91cf74306b9cc42c555dc540a59d1415de329ba60","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-04-20T00:17:02Z","title_canon_sha256":"1e4aabb226e12cea8d18f379ec33ab9a9540822e11abe2bb67074cee8250d07b"},"schema_version":"1.0","source":{"id":"1604.05776","kind":"arxiv","version":1}},"canonical_sha256":"537cd55f4a3fd8613abfc03feef1a266049f1cc26a7c29ea4660c8249116bf18","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"537cd55f4a3fd8613abfc03feef1a266049f1cc26a7c29ea4660c8249116bf18","first_computed_at":"2026-05-18T01:16:37.199537Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:37.199537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B1PGT63rlsvGRDaMzOYRonCNHNDEVV9d/VK+RvfIkvPBXSN6Cs2hmSXMn5SCT0XCC8AeEPPqjhVV3PoYNmsIDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:37.200263Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.05776","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:945119a220aaf847e7ae8fc5a88504cfd2834760b0b019d7c7fb740909ea43af","sha256:078967e30f27e20e82589ed7f0c70f2520581ff84e26806ee20223344b9588f2"],"state_sha256":"1eac0734653a54269109a55be0f4423d4e1358f0f1ebb613a167a70432adc8b0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+iwo/Fp4sbhdoWiMQvTiFPqos8OweYVJCQrjcxghxC+AJpLlPzhBmEU6LGw0VMiJuu+rfEpq72DijS9MudR/Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T21:04:07.970855Z","bundle_sha256":"a8bab51606dc0c49235523092e5fbfc5049653e3ee46667113b41c046031556c"}}