{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:IK5NHFLC5U7MQ5YRYAZVEFIUHV","short_pith_number":"pith:IK5NHFLC","canonical_record":{"source":{"id":"1006.2111","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-06-10T18:30:10Z","cross_cats_sorted":[],"title_canon_sha256":"455da635bf14bbff170d43c55857a30c50e6e1d9fdc83de655c1a88093edbbcf","abstract_canon_sha256":"0bc18235e6a601f58cae6999ce522d3272980a30dfb8b22def02c3c0bc267f01"},"schema_version":"1.0"},"canonical_sha256":"42bad39562ed3ec87711c0335215143d7610d0362cc390b30057d20e2433c0d2","source":{"kind":"arxiv","id":"1006.2111","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.2111","created_at":"2026-05-18T04:40:20Z"},{"alias_kind":"arxiv_version","alias_value":"1006.2111v2","created_at":"2026-05-18T04:40:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.2111","created_at":"2026-05-18T04:40:20Z"},{"alias_kind":"pith_short_12","alias_value":"IK5NHFLC5U7M","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IK5NHFLC5U7MQ5YR","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IK5NHFLC","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:IK5NHFLC5U7MQ5YRYAZVEFIUHV","target":"record","payload":{"canonical_record":{"source":{"id":"1006.2111","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-06-10T18:30:10Z","cross_cats_sorted":[],"title_canon_sha256":"455da635bf14bbff170d43c55857a30c50e6e1d9fdc83de655c1a88093edbbcf","abstract_canon_sha256":"0bc18235e6a601f58cae6999ce522d3272980a30dfb8b22def02c3c0bc267f01"},"schema_version":"1.0"},"canonical_sha256":"42bad39562ed3ec87711c0335215143d7610d0362cc390b30057d20e2433c0d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:40:20.133397Z","signature_b64":"FTCdWlRRMxvMUroeaMD23/IN4rvaVkTZclU8ynXaKGSX1YJXKcXsYmr5DOaA9hx/gBHzsw+a+LWl4LrwvQfUCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42bad39562ed3ec87711c0335215143d7610d0362cc390b30057d20e2433c0d2","last_reissued_at":"2026-05-18T04:40:20.132711Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:40:20.132711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.2111","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":"2026-05-18T04:40:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sxHZUR9H5PAfbr6JcVwZk8z4ZTFC5rf0o75zihDdl89mjPc07XXIFj+/U3kmVqNBs/XzKn/L85yTrrkKIalSAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T11:40:05.013635Z"},"content_sha256":"ef06e92e7d421f25c50e9e04935e3c9417e646a3fa8ed0bf2551751c647f403f","schema_version":"1.0","event_id":"sha256:ef06e92e7d421f25c50e9e04935e3c9417e646a3fa8ed0bf2551751c647f403f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:IK5NHFLC5U7MQ5YRYAZVEFIUHV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"VLBI Observations of SN 2009bb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. K. Tzioumis, A. M. Soderberg, C. J. Phillips, M. F. Bietenholz, M. H. Wieringa, N. Bartel, N. N. Chugai, S. Horiuchi, S. P. Ellingsen","submitted_at":"2010-06-10T18:30:10Z","abstract_excerpt":"We report on VLBI, as well as VLA radio observations of the Type Ib/c supernova 2009bb. The high radio luminosity of this supernova seems to require relativistic outflow, implying that the early radio emission was \"engine-driven\", that is driven by collimated outflow from a compact object, even though no gamma-ray emission was seen. The radio light curve shows a general decline, with a \"bump\" near t = 52 d, seen most prominently at 5 GHz. The lightcurve bump could be either engine-driven, or it might represent the turn-on of the normal radio emission from a supernova, driven by interaction wit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.2111","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":"2026-05-18T04:40:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pi4QBiOmCb2uElfQHdsgdkiqCPfJ+IdjYr5XXxwuPYQuZsrTRZm31XSB3es2BZP8MG++867IAsLff0Z0Nh6eBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T11:40:05.014401Z"},"content_sha256":"74d8a43cdf530b06261949f32c581994b61757ac06266051a58188a92464018c","schema_version":"1.0","event_id":"sha256:74d8a43cdf530b06261949f32c581994b61757ac06266051a58188a92464018c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IK5NHFLC5U7MQ5YRYAZVEFIUHV/bundle.json","state_url":"https://pith.science/pith/IK5NHFLC5U7MQ5YRYAZVEFIUHV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IK5NHFLC5U7MQ5YRYAZVEFIUHV/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":"2026-05-31T11:40:05Z","links":{"resolver":"https://pith.science/pith/IK5NHFLC5U7MQ5YRYAZVEFIUHV","bundle":"https://pith.science/pith/IK5NHFLC5U7MQ5YRYAZVEFIUHV/bundle.json","state":"https://pith.science/pith/IK5NHFLC5U7MQ5YRYAZVEFIUHV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IK5NHFLC5U7MQ5YRYAZVEFIUHV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:IK5NHFLC5U7MQ5YRYAZVEFIUHV","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":"0bc18235e6a601f58cae6999ce522d3272980a30dfb8b22def02c3c0bc267f01","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-06-10T18:30:10Z","title_canon_sha256":"455da635bf14bbff170d43c55857a30c50e6e1d9fdc83de655c1a88093edbbcf"},"schema_version":"1.0","source":{"id":"1006.2111","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.2111","created_at":"2026-05-18T04:40:20Z"},{"alias_kind":"arxiv_version","alias_value":"1006.2111v2","created_at":"2026-05-18T04:40:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.2111","created_at":"2026-05-18T04:40:20Z"},{"alias_kind":"pith_short_12","alias_value":"IK5NHFLC5U7M","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IK5NHFLC5U7MQ5YR","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IK5NHFLC","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:74d8a43cdf530b06261949f32c581994b61757ac06266051a58188a92464018c","target":"graph","created_at":"2026-05-18T04:40:20Z","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 report on VLBI, as well as VLA radio observations of the Type Ib/c supernova 2009bb. The high radio luminosity of this supernova seems to require relativistic outflow, implying that the early radio emission was \"engine-driven\", that is driven by collimated outflow from a compact object, even though no gamma-ray emission was seen. The radio light curve shows a general decline, with a \"bump\" near t = 52 d, seen most prominently at 5 GHz. The lightcurve bump could be either engine-driven, or it might represent the turn-on of the normal radio emission from a supernova, driven by interaction wit","authors_text":"A. K. Tzioumis, A. M. Soderberg, C. J. Phillips, M. F. Bietenholz, M. H. Wieringa, N. Bartel, N. N. Chugai, S. Horiuchi, S. P. Ellingsen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-06-10T18:30:10Z","title":"VLBI Observations of SN 2009bb"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.2111","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:ef06e92e7d421f25c50e9e04935e3c9417e646a3fa8ed0bf2551751c647f403f","target":"record","created_at":"2026-05-18T04:40:20Z","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":"0bc18235e6a601f58cae6999ce522d3272980a30dfb8b22def02c3c0bc267f01","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-06-10T18:30:10Z","title_canon_sha256":"455da635bf14bbff170d43c55857a30c50e6e1d9fdc83de655c1a88093edbbcf"},"schema_version":"1.0","source":{"id":"1006.2111","kind":"arxiv","version":2}},"canonical_sha256":"42bad39562ed3ec87711c0335215143d7610d0362cc390b30057d20e2433c0d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"42bad39562ed3ec87711c0335215143d7610d0362cc390b30057d20e2433c0d2","first_computed_at":"2026-05-18T04:40:20.132711Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:40:20.132711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FTCdWlRRMxvMUroeaMD23/IN4rvaVkTZclU8ynXaKGSX1YJXKcXsYmr5DOaA9hx/gBHzsw+a+LWl4LrwvQfUCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:40:20.133397Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.2111","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef06e92e7d421f25c50e9e04935e3c9417e646a3fa8ed0bf2551751c647f403f","sha256:74d8a43cdf530b06261949f32c581994b61757ac06266051a58188a92464018c"],"state_sha256":"4a5f8a75c78881efc2044c404880022fcd8257eb893f805d07471133d9980eb0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wk7xUkNy71t6PZtvPPxuc4KawHsP2EtzKiezPlhd+tLTIBhtjLYb4BnEwW1nH31v+jeR4LPAOsnDXhgWXCPBCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T11:40:05.018226Z","bundle_sha256":"d4128d4e2c1dcf491b63cec050bc62692153982d405635fcce9e3d9aca7e190b"}}