{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:DAZQ276H6KWX22N2ZESWJC3X6R","short_pith_number":"pith:DAZQ276H","canonical_record":{"source":{"id":"1208.1193","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-08-03T07:54:04Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"b913ab5a48eb067e313e11c10bcee2b6a93d57739c78ef79121ca1d5080d57af","abstract_canon_sha256":"7406e24f59df5ff73531a4e58f2bd9f11a4b33fe0492dd8f135cab6f0286bdac"},"schema_version":"1.0"},"canonical_sha256":"18330d7fc7f2ad7d69bac925648b77f4647895e5962852823e989ce1e58fb07e","source":{"kind":"arxiv","id":"1208.1193","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.1193","created_at":"2026-05-18T01:55:22Z"},{"alias_kind":"arxiv_version","alias_value":"1208.1193v1","created_at":"2026-05-18T01:55:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.1193","created_at":"2026-05-18T01:55:22Z"},{"alias_kind":"pith_short_12","alias_value":"DAZQ276H6KWX","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"DAZQ276H6KWX22N2","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"DAZQ276H","created_at":"2026-05-18T12:27:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:DAZQ276H6KWX22N2ZESWJC3X6R","target":"record","payload":{"canonical_record":{"source":{"id":"1208.1193","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-08-03T07:54:04Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"b913ab5a48eb067e313e11c10bcee2b6a93d57739c78ef79121ca1d5080d57af","abstract_canon_sha256":"7406e24f59df5ff73531a4e58f2bd9f11a4b33fe0492dd8f135cab6f0286bdac"},"schema_version":"1.0"},"canonical_sha256":"18330d7fc7f2ad7d69bac925648b77f4647895e5962852823e989ce1e58fb07e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:22.624544Z","signature_b64":"b9CxyplW5GHbQS4kPm+W1OD6dkhajRRM0v0JuD3gpM9tPVCUhwsC3TsuX+ayZOnN2EmvYgiRvoID+5i5hyZ6AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18330d7fc7f2ad7d69bac925648b77f4647895e5962852823e989ce1e58fb07e","last_reissued_at":"2026-05-18T01:55:22.624087Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:22.624087Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.1193","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":"2026-05-18T01:55:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"isWLNeT7gsKBFVoYMSyUuHhTXDD16EkL9lAzCU8c+2TPL5UxTbQh1/Lws0ERIzsXMrSahADIKkWbN0UoOHYwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:43:20.674337Z"},"content_sha256":"32fd74970df24030b235445d144cb55e2fd281d4a09a5c8da759ab24ef1b0b57","schema_version":"1.0","event_id":"sha256:32fd74970df24030b235445d144cb55e2fd281d4a09a5c8da759ab24ef1b0b57"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:DAZQ276H6KWX22N2ZESWJC3X6R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Three Parsec-Scale Jet-Driven Outflow from Sgr A*","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"D. A. Roberts, D. Haggard, F. Yusef-Zadeh, H. Bushouse, M. Royster, M. Wardle, M. W. Pound, R. Arendt, W. Cotton","submitted_at":"2012-08-03T07:54:04Z","abstract_excerpt":"The compact radio source Sgr A* is coincident with a 4 million solar mass black hole at the dynamical center of the Galaxy and is surrounded by dense orbiting ionized and molecular gas. We present high resolution radio continuum images of the central 3' and report a faint continuous linear structure centered on Sgr A* with a PA~60 degrees. The extension of this feature appears to be terminated symmetrically by two linearly polarized structures at 8.4 GHz, ~75\" from Sgr A*. A number of weak blobs of radio emission with X-ray counterparts are detected along the axis of the linear structure. The "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.1193","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":"2026-05-18T01:55:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uP6+DHpx2h8pkYGKuBH1j36zeoQ73GMIWUUKFy7J9ByMjULpgNsV5amhoA8snBF9imOUvowXJ0Ty/27w38q0AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:43:20.674845Z"},"content_sha256":"9c1933da4a66833bf6a90d23d3e20e1da431e3b4da345e2f0d1120298e553d89","schema_version":"1.0","event_id":"sha256:9c1933da4a66833bf6a90d23d3e20e1da431e3b4da345e2f0d1120298e553d89"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DAZQ276H6KWX22N2ZESWJC3X6R/bundle.json","state_url":"https://pith.science/pith/DAZQ276H6KWX22N2ZESWJC3X6R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DAZQ276H6KWX22N2ZESWJC3X6R/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":"2026-05-26T14:43:20Z","links":{"resolver":"https://pith.science/pith/DAZQ276H6KWX22N2ZESWJC3X6R","bundle":"https://pith.science/pith/DAZQ276H6KWX22N2ZESWJC3X6R/bundle.json","state":"https://pith.science/pith/DAZQ276H6KWX22N2ZESWJC3X6R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DAZQ276H6KWX22N2ZESWJC3X6R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:DAZQ276H6KWX22N2ZESWJC3X6R","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":"7406e24f59df5ff73531a4e58f2bd9f11a4b33fe0492dd8f135cab6f0286bdac","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-08-03T07:54:04Z","title_canon_sha256":"b913ab5a48eb067e313e11c10bcee2b6a93d57739c78ef79121ca1d5080d57af"},"schema_version":"1.0","source":{"id":"1208.1193","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.1193","created_at":"2026-05-18T01:55:22Z"},{"alias_kind":"arxiv_version","alias_value":"1208.1193v1","created_at":"2026-05-18T01:55:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.1193","created_at":"2026-05-18T01:55:22Z"},{"alias_kind":"pith_short_12","alias_value":"DAZQ276H6KWX","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"DAZQ276H6KWX22N2","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"DAZQ276H","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:9c1933da4a66833bf6a90d23d3e20e1da431e3b4da345e2f0d1120298e553d89","target":"graph","created_at":"2026-05-18T01:55:22Z","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 compact radio source Sgr A* is coincident with a 4 million solar mass black hole at the dynamical center of the Galaxy and is surrounded by dense orbiting ionized and molecular gas. We present high resolution radio continuum images of the central 3' and report a faint continuous linear structure centered on Sgr A* with a PA~60 degrees. The extension of this feature appears to be terminated symmetrically by two linearly polarized structures at 8.4 GHz, ~75\" from Sgr A*. A number of weak blobs of radio emission with X-ray counterparts are detected along the axis of the linear structure. The ","authors_text":"D. A. Roberts, D. Haggard, F. Yusef-Zadeh, H. Bushouse, M. Royster, M. Wardle, M. W. Pound, R. Arendt, W. Cotton","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-08-03T07:54:04Z","title":"A Three Parsec-Scale Jet-Driven Outflow from Sgr A*"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.1193","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":"sha256:32fd74970df24030b235445d144cb55e2fd281d4a09a5c8da759ab24ef1b0b57","target":"record","created_at":"2026-05-18T01:55:22Z","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":"7406e24f59df5ff73531a4e58f2bd9f11a4b33fe0492dd8f135cab6f0286bdac","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-08-03T07:54:04Z","title_canon_sha256":"b913ab5a48eb067e313e11c10bcee2b6a93d57739c78ef79121ca1d5080d57af"},"schema_version":"1.0","source":{"id":"1208.1193","kind":"arxiv","version":1}},"canonical_sha256":"18330d7fc7f2ad7d69bac925648b77f4647895e5962852823e989ce1e58fb07e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18330d7fc7f2ad7d69bac925648b77f4647895e5962852823e989ce1e58fb07e","first_computed_at":"2026-05-18T01:55:22.624087Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:22.624087Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b9CxyplW5GHbQS4kPm+W1OD6dkhajRRM0v0JuD3gpM9tPVCUhwsC3TsuX+ayZOnN2EmvYgiRvoID+5i5hyZ6AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:22.624544Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.1193","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32fd74970df24030b235445d144cb55e2fd281d4a09a5c8da759ab24ef1b0b57","sha256:9c1933da4a66833bf6a90d23d3e20e1da431e3b4da345e2f0d1120298e553d89"],"state_sha256":"1015a1bc4acc5691eecba4d1e2ce0cc67271b81e3ab3594d181c11bac1ce4279"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yVfXUHXmiNUxrkcwTNYS32nn9b3+cd121lrLDndBeyU//ycKVjAe74J+XEQLxrWgTUzkK4Z4A07M0eIL3sroDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T14:43:20.677797Z","bundle_sha256":"0d2ec643b5dc77e45434f248418822206a99f1da3f8d16f01d7e1447e1ec9dd8"}}