{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:UFN6GN7NP5UKG6QFXFXDDXQVBA","short_pith_number":"pith:UFN6GN7N","canonical_record":{"source":{"id":"1307.3793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-07-14T23:06:26Z","cross_cats_sorted":[],"title_canon_sha256":"044d40f8a5d79e1966f198eaf89f716d5423d4e4f2721d5ac1876da96998e57c","abstract_canon_sha256":"79ec7433dbfbf5d99f6bed6ca25c9fd4f046f46ef0343262abb7784c5a12e508"},"schema_version":"1.0"},"canonical_sha256":"a15be337ed7f68a37a05b96e31de150807836f00eaf4fd71343b5ed752d89750","source":{"kind":"arxiv","id":"1307.3793","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.3793","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"arxiv_version","alias_value":"1307.3793v1","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.3793","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"pith_short_12","alias_value":"UFN6GN7NP5UK","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UFN6GN7NP5UKG6QF","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UFN6GN7N","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:UFN6GN7NP5UKG6QFXFXDDXQVBA","target":"record","payload":{"canonical_record":{"source":{"id":"1307.3793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-07-14T23:06:26Z","cross_cats_sorted":[],"title_canon_sha256":"044d40f8a5d79e1966f198eaf89f716d5423d4e4f2721d5ac1876da96998e57c","abstract_canon_sha256":"79ec7433dbfbf5d99f6bed6ca25c9fd4f046f46ef0343262abb7784c5a12e508"},"schema_version":"1.0"},"canonical_sha256":"a15be337ed7f68a37a05b96e31de150807836f00eaf4fd71343b5ed752d89750","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:50.441954Z","signature_b64":"07cwwAgU9PW5pHWFYiPdRcNuw44siHUK7Y52kV+/w6QdWtjS8dbQLInxhL49+28rodEuMOlp45ru4EB1XdnUAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a15be337ed7f68a37a05b96e31de150807836f00eaf4fd71343b5ed752d89750","last_reissued_at":"2026-05-18T01:48:50.441330Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:50.441330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.3793","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":"2026-05-18T01:48:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nBh33hguUG9XChFulC7RYQXXZ+dVYPVSzLtur0XlRJ92CMpEWDEaRcIosGhRskp3IvvRQNqcSEpKSNtuwbjVBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T20:13:31.366675Z"},"content_sha256":"42c7eead05dadff0a9179049c5c4a72383ca70a83e633f563489d4c32e630eff","schema_version":"1.0","event_id":"sha256:42c7eead05dadff0a9179049c5c4a72383ca70a83e633f563489d4c32e630eff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:UFN6GN7NP5UKG6QFXFXDDXQVBA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The spatiokinematical structure of H_2O and OH masers in the \"water fountain\" source IRAS 18460-0151","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"2), (2) ICRAR/University of Western Australia, (3) Nobeyama Radio Observatory, (4) University of Hong Kong, (5) SKA Organisation), Hiroshi Imai (1, Jun-ichi Nakashima (4), Philip J. Diamond (5) ((1) Kagoshima University, Shuji Deguchi (3), Sun Kwok (4)","submitted_at":"2013-07-14T23:06:26Z","abstract_excerpt":"Using the Very Long Baseline Array and the European VLBI Network, we have observed 22.2 GHz H_2O and 1612 MHz OH masers in the \"water fountain\" source IRAS 18460-0151. The H_2O maser spectrum has a very wide line-of-sight velocity range (~310 km/s) and consists of three groups of emission features at the blue-shifted (-68 km/s <~ V_LSR <~ -17 km/s) and red-shifted (V_LSR ~= 240 km/s) edges as well as around the systemic velocity (112 km/s <~ V_LSR <~ 133 km/s). The first two H_2O spectral components exhibit a highly-collimated high-velocity bipolar jet on the sky, with an angular separation of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.3793","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":"2026-05-18T01:48:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6qq0hq4uKgNRLSdxQvXnebEKOzYj23YlDgyflroQexoluHMBIDruUbtIfaLgEoa/V6ZRp/d1dasVCSpejPs8AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T20:13:31.367366Z"},"content_sha256":"2c4140a9d77365ebc471033badc34bd9350bbf39fb13a9562a299c4854c09d8d","schema_version":"1.0","event_id":"sha256:2c4140a9d77365ebc471033badc34bd9350bbf39fb13a9562a299c4854c09d8d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UFN6GN7NP5UKG6QFXFXDDXQVBA/bundle.json","state_url":"https://pith.science/pith/UFN6GN7NP5UKG6QFXFXDDXQVBA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UFN6GN7NP5UKG6QFXFXDDXQVBA/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":"2026-06-05T20:13:31Z","links":{"resolver":"https://pith.science/pith/UFN6GN7NP5UKG6QFXFXDDXQVBA","bundle":"https://pith.science/pith/UFN6GN7NP5UKG6QFXFXDDXQVBA/bundle.json","state":"https://pith.science/pith/UFN6GN7NP5UKG6QFXFXDDXQVBA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UFN6GN7NP5UKG6QFXFXDDXQVBA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:UFN6GN7NP5UKG6QFXFXDDXQVBA","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":"79ec7433dbfbf5d99f6bed6ca25c9fd4f046f46ef0343262abb7784c5a12e508","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-07-14T23:06:26Z","title_canon_sha256":"044d40f8a5d79e1966f198eaf89f716d5423d4e4f2721d5ac1876da96998e57c"},"schema_version":"1.0","source":{"id":"1307.3793","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.3793","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"arxiv_version","alias_value":"1307.3793v1","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.3793","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"pith_short_12","alias_value":"UFN6GN7NP5UK","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UFN6GN7NP5UKG6QF","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UFN6GN7N","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:2c4140a9d77365ebc471033badc34bd9350bbf39fb13a9562a299c4854c09d8d","target":"graph","created_at":"2026-05-18T01:48:50Z","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":"Using the Very Long Baseline Array and the European VLBI Network, we have observed 22.2 GHz H_2O and 1612 MHz OH masers in the \"water fountain\" source IRAS 18460-0151. The H_2O maser spectrum has a very wide line-of-sight velocity range (~310 km/s) and consists of three groups of emission features at the blue-shifted (-68 km/s <~ V_LSR <~ -17 km/s) and red-shifted (V_LSR ~= 240 km/s) edges as well as around the systemic velocity (112 km/s <~ V_LSR <~ 133 km/s). The first two H_2O spectral components exhibit a highly-collimated high-velocity bipolar jet on the sky, with an angular separation of","authors_text":"2), (2) ICRAR/University of Western Australia, (3) Nobeyama Radio Observatory, (4) University of Hong Kong, (5) SKA Organisation), Hiroshi Imai (1, Jun-ichi Nakashima (4), Philip J. Diamond (5) ((1) Kagoshima University, Shuji Deguchi (3), Sun Kwok (4)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-07-14T23:06:26Z","title":"The spatiokinematical structure of H_2O and OH masers in the \"water fountain\" source IRAS 18460-0151"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.3793","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":"sha256:42c7eead05dadff0a9179049c5c4a72383ca70a83e633f563489d4c32e630eff","target":"record","created_at":"2026-05-18T01:48:50Z","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":"79ec7433dbfbf5d99f6bed6ca25c9fd4f046f46ef0343262abb7784c5a12e508","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-07-14T23:06:26Z","title_canon_sha256":"044d40f8a5d79e1966f198eaf89f716d5423d4e4f2721d5ac1876da96998e57c"},"schema_version":"1.0","source":{"id":"1307.3793","kind":"arxiv","version":1}},"canonical_sha256":"a15be337ed7f68a37a05b96e31de150807836f00eaf4fd71343b5ed752d89750","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a15be337ed7f68a37a05b96e31de150807836f00eaf4fd71343b5ed752d89750","first_computed_at":"2026-05-18T01:48:50.441330Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:50.441330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"07cwwAgU9PW5pHWFYiPdRcNuw44siHUK7Y52kV+/w6QdWtjS8dbQLInxhL49+28rodEuMOlp45ru4EB1XdnUAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:50.441954Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.3793","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42c7eead05dadff0a9179049c5c4a72383ca70a83e633f563489d4c32e630eff","sha256:2c4140a9d77365ebc471033badc34bd9350bbf39fb13a9562a299c4854c09d8d"],"state_sha256":"8e707a9eac3048f5dbe0468971a59cdbb2e3aa2652719017b3feef5bc1e8c25a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WPif4mTd4vuWDhf6sRISpYZwA5pSFKcuHqSXU8taVUpuuF2MLKlT4Eu6WvTt1+x00xNy01nLCycBEoxw27bUBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T20:13:31.372032Z","bundle_sha256":"3412f505f02b5b5aaade9bc2dca79bb777664e77f47bcd26302161ebc555bd4b"}}