{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:MTVL33KC3VPW7IGFYDDM2FVE4B","short_pith_number":"pith:MTVL33KC","canonical_record":{"source":{"id":"0802.2116","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2008-02-14T23:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"d9f0549fd6d157bcf871b974c0c6e20e437f71c30d84313529f0b206c11db629","abstract_canon_sha256":"8c90a333a1ddc294236f2ffc9b4e56f2d9096c1f055cfdd216b3159d74e358ee"},"schema_version":"1.0"},"canonical_sha256":"64eabded42dd5f6fa0c5c0c6cd16a4e04dffac18bb0cbd2548d0d7f74d955189","source":{"kind":"arxiv","id":"0802.2116","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0802.2116","created_at":"2026-05-18T04:16:23Z"},{"alias_kind":"arxiv_version","alias_value":"0802.2116v1","created_at":"2026-05-18T04:16:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.2116","created_at":"2026-05-18T04:16:23Z"},{"alias_kind":"pith_short_12","alias_value":"MTVL33KC3VPW","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"MTVL33KC3VPW7IGF","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"MTVL33KC","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:MTVL33KC3VPW7IGFYDDM2FVE4B","target":"record","payload":{"canonical_record":{"source":{"id":"0802.2116","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2008-02-14T23:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"d9f0549fd6d157bcf871b974c0c6e20e437f71c30d84313529f0b206c11db629","abstract_canon_sha256":"8c90a333a1ddc294236f2ffc9b4e56f2d9096c1f055cfdd216b3159d74e358ee"},"schema_version":"1.0"},"canonical_sha256":"64eabded42dd5f6fa0c5c0c6cd16a4e04dffac18bb0cbd2548d0d7f74d955189","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:16:23.338726Z","signature_b64":"3iMWXEL8Us+3sedvliXchIOtAa72qCouEOq+lbPkGG5+D1vecDoLRarLys+aHiLsJewYhDxcMigg0rGK6dygDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64eabded42dd5f6fa0c5c0c6cd16a4e04dffac18bb0cbd2548d0d7f74d955189","last_reissued_at":"2026-05-18T04:16:23.338029Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:16:23.338029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0802.2116","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":"2026-05-18T04:16:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ju+JLu3ZTYGTyDRf4MAVCa3dgya3Z9q/rjnWU42CA4p7z+8vb2n5Frehdt0/1viOKrlrWfdHZBugSWXwX24BBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:18:44.236024Z"},"content_sha256":"c106393b8efc23c87cb5549d4c8b968e1e353c09cd6e7ccf18f8a7a01bb06f75","schema_version":"1.0","event_id":"sha256:c106393b8efc23c87cb5549d4c8b968e1e353c09cd6e7ccf18f8a7a01bb06f75"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:MTVL33KC3VPW7IGFYDDM2FVE4B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superdisks in Radio Galaxies: Jet-Wind Interactions","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Gopal-Krishna, Paul J. Wiita, Santosh Joshi","submitted_at":"2008-02-14T23:32:17Z","abstract_excerpt":"Taking a clue from their sharp-edged (strip-like) morphology observed in several cases, a new mechanism is proposed for the formation of the emission gaps seen between the radio lobes of many powerful extragalactic double radio sources. Canonical understanding of the radio gaps invokes either blocking of the back-flowing lobe plasma by the denser interstellar medium (ISM) of the host galaxy, or \"squeezing\" of the radio bridge in the middle through buoyancy force exerted by either the ISM or the surrounding intra-cluster medium (ICM). These pictures encounter difficulties in explaining situatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.2116","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":"2026-05-18T04:16:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"//O2cgOqDKFDl7d1hBw2PeSaa+TjlNfYDWCM7XartaybVlGD9yH0w1x2coyrLmpNV4gBGwufaf7OcVK/ADhqAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:18:44.236710Z"},"content_sha256":"1edfca13dfc4f598f825151b72855006167f4c81962484088e8da09ec3bb6db0","schema_version":"1.0","event_id":"sha256:1edfca13dfc4f598f825151b72855006167f4c81962484088e8da09ec3bb6db0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MTVL33KC3VPW7IGFYDDM2FVE4B/bundle.json","state_url":"https://pith.science/pith/MTVL33KC3VPW7IGFYDDM2FVE4B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MTVL33KC3VPW7IGFYDDM2FVE4B/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":"2026-05-27T03:18:44Z","links":{"resolver":"https://pith.science/pith/MTVL33KC3VPW7IGFYDDM2FVE4B","bundle":"https://pith.science/pith/MTVL33KC3VPW7IGFYDDM2FVE4B/bundle.json","state":"https://pith.science/pith/MTVL33KC3VPW7IGFYDDM2FVE4B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MTVL33KC3VPW7IGFYDDM2FVE4B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:MTVL33KC3VPW7IGFYDDM2FVE4B","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":"8c90a333a1ddc294236f2ffc9b4e56f2d9096c1f055cfdd216b3159d74e358ee","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2008-02-14T23:32:17Z","title_canon_sha256":"d9f0549fd6d157bcf871b974c0c6e20e437f71c30d84313529f0b206c11db629"},"schema_version":"1.0","source":{"id":"0802.2116","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0802.2116","created_at":"2026-05-18T04:16:23Z"},{"alias_kind":"arxiv_version","alias_value":"0802.2116v1","created_at":"2026-05-18T04:16:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.2116","created_at":"2026-05-18T04:16:23Z"},{"alias_kind":"pith_short_12","alias_value":"MTVL33KC3VPW","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"MTVL33KC3VPW7IGF","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"MTVL33KC","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:1edfca13dfc4f598f825151b72855006167f4c81962484088e8da09ec3bb6db0","target":"graph","created_at":"2026-05-18T04:16:23Z","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":"Taking a clue from their sharp-edged (strip-like) morphology observed in several cases, a new mechanism is proposed for the formation of the emission gaps seen between the radio lobes of many powerful extragalactic double radio sources. Canonical understanding of the radio gaps invokes either blocking of the back-flowing lobe plasma by the denser interstellar medium (ISM) of the host galaxy, or \"squeezing\" of the radio bridge in the middle through buoyancy force exerted by either the ISM or the surrounding intra-cluster medium (ICM). These pictures encounter difficulties in explaining situatio","authors_text":"Gopal-Krishna, Paul J. Wiita, Santosh Joshi","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2008-02-14T23:32:17Z","title":"Superdisks in Radio Galaxies: Jet-Wind Interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.2116","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:c106393b8efc23c87cb5549d4c8b968e1e353c09cd6e7ccf18f8a7a01bb06f75","target":"record","created_at":"2026-05-18T04:16:23Z","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":"8c90a333a1ddc294236f2ffc9b4e56f2d9096c1f055cfdd216b3159d74e358ee","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2008-02-14T23:32:17Z","title_canon_sha256":"d9f0549fd6d157bcf871b974c0c6e20e437f71c30d84313529f0b206c11db629"},"schema_version":"1.0","source":{"id":"0802.2116","kind":"arxiv","version":1}},"canonical_sha256":"64eabded42dd5f6fa0c5c0c6cd16a4e04dffac18bb0cbd2548d0d7f74d955189","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64eabded42dd5f6fa0c5c0c6cd16a4e04dffac18bb0cbd2548d0d7f74d955189","first_computed_at":"2026-05-18T04:16:23.338029Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:16:23.338029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3iMWXEL8Us+3sedvliXchIOtAa72qCouEOq+lbPkGG5+D1vecDoLRarLys+aHiLsJewYhDxcMigg0rGK6dygDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:16:23.338726Z","signed_message":"canonical_sha256_bytes"},"source_id":"0802.2116","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c106393b8efc23c87cb5549d4c8b968e1e353c09cd6e7ccf18f8a7a01bb06f75","sha256:1edfca13dfc4f598f825151b72855006167f4c81962484088e8da09ec3bb6db0"],"state_sha256":"40de4a1dc2c64f155963f2ac2ac1bb8af36e4f564c8e81c7533e4dbe2c9806cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vG3LR90F1/glmR1/CLC2MboJsJjgr58q79ppHGYyG8IqbG3e79Xn7Y0JdthJvMS0JyXD/I5u52w5JCGJanLLBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T03:18:44.240410Z","bundle_sha256":"455329283af09b8a2d75ca3cf228882b5c90cc667d82e38e60909923589c19fc"}}