{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:OTOMCXGLDLNHZVX5UEPELL6O2A","short_pith_number":"pith:OTOMCXGL","canonical_record":{"source":{"id":"1508.06745","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-27T08:13:50Z","cross_cats_sorted":[],"title_canon_sha256":"58301a2bc10c046f9e5827d3b5faf58f56c7c241d6defa71bffe9f1d83c3eb53","abstract_canon_sha256":"061b625fa4746fcc2169a2c937f1fa35aa59cfa90999e8ad2288c4e9926a09b0"},"schema_version":"1.0"},"canonical_sha256":"74dcc15ccb1ada7cd6fda11e45afced013febafd93926b48de34570347cedebc","source":{"kind":"arxiv","id":"1508.06745","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.06745","created_at":"2026-05-18T01:23:23Z"},{"alias_kind":"arxiv_version","alias_value":"1508.06745v1","created_at":"2026-05-18T01:23:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.06745","created_at":"2026-05-18T01:23:23Z"},{"alias_kind":"pith_short_12","alias_value":"OTOMCXGLDLNH","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OTOMCXGLDLNHZVX5","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OTOMCXGL","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:OTOMCXGLDLNHZVX5UEPELL6O2A","target":"record","payload":{"canonical_record":{"source":{"id":"1508.06745","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-27T08:13:50Z","cross_cats_sorted":[],"title_canon_sha256":"58301a2bc10c046f9e5827d3b5faf58f56c7c241d6defa71bffe9f1d83c3eb53","abstract_canon_sha256":"061b625fa4746fcc2169a2c937f1fa35aa59cfa90999e8ad2288c4e9926a09b0"},"schema_version":"1.0"},"canonical_sha256":"74dcc15ccb1ada7cd6fda11e45afced013febafd93926b48de34570347cedebc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:23.433255Z","signature_b64":"lgfefIULxXOsVfbOTU27Ja5EVfi3J7XX/YbBQGHJPbzEFzqQppdjKx5Our2ZUvgBOyV1FuzqSojDCm3m5x4WDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74dcc15ccb1ada7cd6fda11e45afced013febafd93926b48de34570347cedebc","last_reissued_at":"2026-05-18T01:23:23.432510Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:23.432510Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.06745","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":"2026-05-18T01:23:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S+5Ikgd/ppCSoMB3x+3ZMWcq7X8Lg4eC7Xuij0Ofe+Bg+fnzCBIxSz0BB/VNOfzH4gbZxjcoD90EJsbYBfsNDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T18:26:30.512588Z"},"content_sha256":"0b359e41e836373c6779f2f13abdffbfb8b5a8c5eb77fc061d92a78c5fd63618","schema_version":"1.0","event_id":"sha256:0b359e41e836373c6779f2f13abdffbfb8b5a8c5eb77fc061d92a78c5fd63618"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:OTOMCXGLDLNHZVX5UEPELL6O2A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Variations of 14-C around AD 775 and AD 1795 - due to solar activity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Dagmar Neuhaeuser (Jena), Ralph Neuhaeuser (U Jena)","submitted_at":"2015-08-27T08:13:50Z","abstract_excerpt":"The motivation for our study is the disputed cause for the strong variation of 14-C around AD 775. Our method is to compare the 14-C variation around AD 775 with other periods of strong variability. Our results are: (a) We see three periods, where 14-C varied over 200 yr in a special way showing a certain pattern of strong secular variation: after a Grand Minimum with strongly increasing 14-C, there is a series of strong short-term drop(s), rise(s), and again drop(s) within 60 yr, ending up to 200 yr after the start of the Grand Minimum. These three periods include the strong rises around BC 6"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.06745","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":"2026-05-18T01:23:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qZvwC/8bFVC45yDMtJC5x6rXirwqO9/Q6hss6q++AJpqpy+hALjzMxRK+SMQnzs985pOIK1HG4zzxCh01RoZCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T18:26:30.512944Z"},"content_sha256":"dcb5fcf5b93411428173db1cb507b1a4ca00b07d5e774603db62b2322923f418","schema_version":"1.0","event_id":"sha256:dcb5fcf5b93411428173db1cb507b1a4ca00b07d5e774603db62b2322923f418"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OTOMCXGLDLNHZVX5UEPELL6O2A/bundle.json","state_url":"https://pith.science/pith/OTOMCXGLDLNHZVX5UEPELL6O2A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OTOMCXGLDLNHZVX5UEPELL6O2A/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":"2026-06-10T18:26:30Z","links":{"resolver":"https://pith.science/pith/OTOMCXGLDLNHZVX5UEPELL6O2A","bundle":"https://pith.science/pith/OTOMCXGLDLNHZVX5UEPELL6O2A/bundle.json","state":"https://pith.science/pith/OTOMCXGLDLNHZVX5UEPELL6O2A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OTOMCXGLDLNHZVX5UEPELL6O2A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:OTOMCXGLDLNHZVX5UEPELL6O2A","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":"061b625fa4746fcc2169a2c937f1fa35aa59cfa90999e8ad2288c4e9926a09b0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-27T08:13:50Z","title_canon_sha256":"58301a2bc10c046f9e5827d3b5faf58f56c7c241d6defa71bffe9f1d83c3eb53"},"schema_version":"1.0","source":{"id":"1508.06745","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.06745","created_at":"2026-05-18T01:23:23Z"},{"alias_kind":"arxiv_version","alias_value":"1508.06745v1","created_at":"2026-05-18T01:23:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.06745","created_at":"2026-05-18T01:23:23Z"},{"alias_kind":"pith_short_12","alias_value":"OTOMCXGLDLNH","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OTOMCXGLDLNHZVX5","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OTOMCXGL","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:dcb5fcf5b93411428173db1cb507b1a4ca00b07d5e774603db62b2322923f418","target":"graph","created_at":"2026-05-18T01:23:23Z","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"},"paper":{"abstract_excerpt":"The motivation for our study is the disputed cause for the strong variation of 14-C around AD 775. Our method is to compare the 14-C variation around AD 775 with other periods of strong variability. Our results are: (a) We see three periods, where 14-C varied over 200 yr in a special way showing a certain pattern of strong secular variation: after a Grand Minimum with strongly increasing 14-C, there is a series of strong short-term drop(s), rise(s), and again drop(s) within 60 yr, ending up to 200 yr after the start of the Grand Minimum. These three periods include the strong rises around BC 6","authors_text":"Dagmar Neuhaeuser (Jena), Ralph Neuhaeuser (U Jena)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-27T08:13:50Z","title":"Variations of 14-C around AD 775 and AD 1795 - due to solar activity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.06745","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":"sha256:0b359e41e836373c6779f2f13abdffbfb8b5a8c5eb77fc061d92a78c5fd63618","target":"record","created_at":"2026-05-18T01:23:23Z","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":"061b625fa4746fcc2169a2c937f1fa35aa59cfa90999e8ad2288c4e9926a09b0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-08-27T08:13:50Z","title_canon_sha256":"58301a2bc10c046f9e5827d3b5faf58f56c7c241d6defa71bffe9f1d83c3eb53"},"schema_version":"1.0","source":{"id":"1508.06745","kind":"arxiv","version":1}},"canonical_sha256":"74dcc15ccb1ada7cd6fda11e45afced013febafd93926b48de34570347cedebc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"74dcc15ccb1ada7cd6fda11e45afced013febafd93926b48de34570347cedebc","first_computed_at":"2026-05-18T01:23:23.432510Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:23.432510Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lgfefIULxXOsVfbOTU27Ja5EVfi3J7XX/YbBQGHJPbzEFzqQppdjKx5Our2ZUvgBOyV1FuzqSojDCm3m5x4WDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:23.433255Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.06745","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0b359e41e836373c6779f2f13abdffbfb8b5a8c5eb77fc061d92a78c5fd63618","sha256:dcb5fcf5b93411428173db1cb507b1a4ca00b07d5e774603db62b2322923f418"],"state_sha256":"5d62ed25c0956ff4c4572ab5ec67698cd6c39e2947dda30692702786a73f0ebf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3YwKDsexJGQgOHdB+jTqaWS59X30VHuEDPRrUxxM4aQjHSBo5hCHf+q/UQ2lQE6GMuZsyfuIGDK2OP8QYjdSBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T18:26:30.515280Z","bundle_sha256":"ff3142a09b1a23bf585d29a3f8fdb1cae09ffb5e8ad685b6f407458e7f615791"}}