{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:B43WG5GTTJSUBDGLNELD2BSODJ","short_pith_number":"pith:B43WG5GT","canonical_record":{"source":{"id":"1204.6068","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-26T22:14:49Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"40bae241d45d76e4e709ad12c17136d7e435bbfe99664b66c44aa412fc2aa700","abstract_canon_sha256":"1e8e39ac02141b40445acead076b735a663c037bb97a24f35a78e224af934295"},"schema_version":"1.0"},"canonical_sha256":"0f376374d39a65408ccb69163d064e1a6bddc25c68bd8dfd13984f98dd486b95","source":{"kind":"arxiv","id":"1204.6068","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.6068","created_at":"2026-05-18T03:53:42Z"},{"alias_kind":"arxiv_version","alias_value":"1204.6068v1","created_at":"2026-05-18T03:53:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.6068","created_at":"2026-05-18T03:53:42Z"},{"alias_kind":"pith_short_12","alias_value":"B43WG5GTTJSU","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"B43WG5GTTJSUBDGL","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"B43WG5GT","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:B43WG5GTTJSUBDGLNELD2BSODJ","target":"record","payload":{"canonical_record":{"source":{"id":"1204.6068","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-26T22:14:49Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"40bae241d45d76e4e709ad12c17136d7e435bbfe99664b66c44aa412fc2aa700","abstract_canon_sha256":"1e8e39ac02141b40445acead076b735a663c037bb97a24f35a78e224af934295"},"schema_version":"1.0"},"canonical_sha256":"0f376374d39a65408ccb69163d064e1a6bddc25c68bd8dfd13984f98dd486b95","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:53:42.017119Z","signature_b64":"gAREJ7jGDkDGEa976QYrGk6avB6RtyTqK1THB9yado2IPZe9wMhHNZmlcakcGGBUD1i5O8aOCZvMQ7gQmY5cAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f376374d39a65408ccb69163d064e1a6bddc25c68bd8dfd13984f98dd486b95","last_reissued_at":"2026-05-18T03:53:42.016345Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:53:42.016345Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.6068","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":"2026-05-18T03:53:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cI1X8xDgLnBPyKeOJQQWHlVUbfxuG9XHRnx7q0V6FmeRBMy3h7dMaUHxNIyNfrycUtRfiW+ftH87TY/NtVlKCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T02:10:58.359015Z"},"content_sha256":"06e91d3261c72dc7c4ca36a390fbae870272ac76e89387b1435a6bceccd2f1aa","schema_version":"1.0","event_id":"sha256:06e91d3261c72dc7c4ca36a390fbae870272ac76e89387b1435a6bceccd2f1aa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:B43WG5GTTJSUBDGLNELD2BSODJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Search for ionized jets towards high-mass young stellar objects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Andr\\'es E. Guzm\\'an, Guido Garay, Kate J. Brooks, Maxim A. Voronkov","submitted_at":"2012-04-26T22:14:49Z","abstract_excerpt":"We are carrying out multi-frequency radio continuum observations, using the Australia Telescope Compact Array, to systematically search for collimated ionized jets towards high-mass young stellar objects (HMYSOs). Here we report observations at 1.4, 2.4, 4.8 and 8.6 GHz, made with angular resolutions of about 7, 4, 2, and 1 arcsec, respectively, towards six objects of a sample of 33 southern HMYSOs thought to be in very early stages of evolution. The objects in the sample were selected from radio and infrared catalogs by having positive radio spectral indices and being luminous (L_bol > 20,000"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.6068","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":"2026-05-18T03:53:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ch66B+8CPfwdJejruOR4MjsrJhp8/fOSX59eXhH+uVrLmvp1+oct7Xn668lk6SsDD3NPWABi6e1pdF6YVi6jAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T02:10:58.359380Z"},"content_sha256":"17ebe82846b670c8303834bd5d61f06c8af4d89b43bea4da017fbf155dc75e3b","schema_version":"1.0","event_id":"sha256:17ebe82846b670c8303834bd5d61f06c8af4d89b43bea4da017fbf155dc75e3b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B43WG5GTTJSUBDGLNELD2BSODJ/bundle.json","state_url":"https://pith.science/pith/B43WG5GTTJSUBDGLNELD2BSODJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B43WG5GTTJSUBDGLNELD2BSODJ/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":"2026-05-28T02:10:58Z","links":{"resolver":"https://pith.science/pith/B43WG5GTTJSUBDGLNELD2BSODJ","bundle":"https://pith.science/pith/B43WG5GTTJSUBDGLNELD2BSODJ/bundle.json","state":"https://pith.science/pith/B43WG5GTTJSUBDGLNELD2BSODJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B43WG5GTTJSUBDGLNELD2BSODJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:B43WG5GTTJSUBDGLNELD2BSODJ","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":"1e8e39ac02141b40445acead076b735a663c037bb97a24f35a78e224af934295","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-26T22:14:49Z","title_canon_sha256":"40bae241d45d76e4e709ad12c17136d7e435bbfe99664b66c44aa412fc2aa700"},"schema_version":"1.0","source":{"id":"1204.6068","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.6068","created_at":"2026-05-18T03:53:42Z"},{"alias_kind":"arxiv_version","alias_value":"1204.6068v1","created_at":"2026-05-18T03:53:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.6068","created_at":"2026-05-18T03:53:42Z"},{"alias_kind":"pith_short_12","alias_value":"B43WG5GTTJSU","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"B43WG5GTTJSUBDGL","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"B43WG5GT","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:17ebe82846b670c8303834bd5d61f06c8af4d89b43bea4da017fbf155dc75e3b","target":"graph","created_at":"2026-05-18T03:53:42Z","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 are carrying out multi-frequency radio continuum observations, using the Australia Telescope Compact Array, to systematically search for collimated ionized jets towards high-mass young stellar objects (HMYSOs). Here we report observations at 1.4, 2.4, 4.8 and 8.6 GHz, made with angular resolutions of about 7, 4, 2, and 1 arcsec, respectively, towards six objects of a sample of 33 southern HMYSOs thought to be in very early stages of evolution. The objects in the sample were selected from radio and infrared catalogs by having positive radio spectral indices and being luminous (L_bol > 20,000","authors_text":"Andr\\'es E. Guzm\\'an, Guido Garay, Kate J. Brooks, Maxim A. Voronkov","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-26T22:14:49Z","title":"Search for ionized jets towards high-mass young stellar objects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.6068","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":"sha256:06e91d3261c72dc7c4ca36a390fbae870272ac76e89387b1435a6bceccd2f1aa","target":"record","created_at":"2026-05-18T03:53:42Z","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":"1e8e39ac02141b40445acead076b735a663c037bb97a24f35a78e224af934295","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-04-26T22:14:49Z","title_canon_sha256":"40bae241d45d76e4e709ad12c17136d7e435bbfe99664b66c44aa412fc2aa700"},"schema_version":"1.0","source":{"id":"1204.6068","kind":"arxiv","version":1}},"canonical_sha256":"0f376374d39a65408ccb69163d064e1a6bddc25c68bd8dfd13984f98dd486b95","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f376374d39a65408ccb69163d064e1a6bddc25c68bd8dfd13984f98dd486b95","first_computed_at":"2026-05-18T03:53:42.016345Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:53:42.016345Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gAREJ7jGDkDGEa976QYrGk6avB6RtyTqK1THB9yado2IPZe9wMhHNZmlcakcGGBUD1i5O8aOCZvMQ7gQmY5cAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:53:42.017119Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.6068","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:06e91d3261c72dc7c4ca36a390fbae870272ac76e89387b1435a6bceccd2f1aa","sha256:17ebe82846b670c8303834bd5d61f06c8af4d89b43bea4da017fbf155dc75e3b"],"state_sha256":"52c5fe0db6e141b5f59b472fcfc7761836ede5c6490b67b72cf6f534fd0338af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2cPKzBH681OEKebGYpdv5lR+GRk+IC8cOGcZs5R26WGMpU08eoQcOiLVwGM+7dhGMmoK5K7hCPS/hSqfAiIHDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T02:10:58.361456Z","bundle_sha256":"f84bd3fd53f22299d322cf2b5c69460056d4e439afaa268e583f22984ee34052"}}