{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:Y5G4ZWQIB7EQHGG2AEMCVG3P6W","short_pith_number":"pith:Y5G4ZWQI","canonical_record":{"source":{"id":"2008.09121","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-08-20T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"75e160a0bda62829f3b9e0f1e560ab0c72397ff80ceb2bf1557e6646170c9d0c","abstract_canon_sha256":"bb208c4fbb50f574bdf3c6fbbb1995d3a5335285bce33eade765b20478effbd3"},"schema_version":"1.0"},"canonical_sha256":"c74dccda080fc90398da01182a9b6ff5930bd0ff7009dc3b32ff22695691bee3","source":{"kind":"arxiv","id":"2008.09121","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.09121","created_at":"2026-07-05T01:28:40Z"},{"alias_kind":"arxiv_version","alias_value":"2008.09121v1","created_at":"2026-07-05T01:28:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.09121","created_at":"2026-07-05T01:28:40Z"},{"alias_kind":"pith_short_12","alias_value":"Y5G4ZWQIB7EQ","created_at":"2026-07-05T01:28:40Z"},{"alias_kind":"pith_short_16","alias_value":"Y5G4ZWQIB7EQHGG2","created_at":"2026-07-05T01:28:40Z"},{"alias_kind":"pith_short_8","alias_value":"Y5G4ZWQI","created_at":"2026-07-05T01:28:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:Y5G4ZWQIB7EQHGG2AEMCVG3P6W","target":"record","payload":{"canonical_record":{"source":{"id":"2008.09121","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-08-20T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"75e160a0bda62829f3b9e0f1e560ab0c72397ff80ceb2bf1557e6646170c9d0c","abstract_canon_sha256":"bb208c4fbb50f574bdf3c6fbbb1995d3a5335285bce33eade765b20478effbd3"},"schema_version":"1.0"},"canonical_sha256":"c74dccda080fc90398da01182a9b6ff5930bd0ff7009dc3b32ff22695691bee3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:28:41.000337Z","signature_b64":"4LeXQnFYW9n+3UNdFXCgOPryQFRvvwnZdZS6DHCR06tL3G6Da6t75Q5UxTugWPnKS859mJ0N2TeMWYrmp/7aAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c74dccda080fc90398da01182a9b6ff5930bd0ff7009dc3b32ff22695691bee3","last_reissued_at":"2026-07-05T01:28:40.999801Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:28:40.999801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.09121","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":"2026-07-05T01:28:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rMybFqQKwxSN/dzLe1OGeufhhkmeGaAaxYluNowbTtI4xx7ihCbsrYqaskiNMmx/yJldbPbrQPcOTSRZfdiEBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T22:22:23.626559Z"},"content_sha256":"ee8679240d1ea860ef5f60287f15e18dc183df04ef1cd7e6ead65ba3600c697a","schema_version":"1.0","event_id":"sha256:ee8679240d1ea860ef5f60287f15e18dc183df04ef1cd7e6ead65ba3600c697a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:Y5G4ZWQIB7EQHGG2AEMCVG3P6W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cold gas in the Milky Way's nuclear wind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Enrico M. Di Teodoro, Felix J. Lockman, Lucia Armillotta, Naomi M. McClure-Griffiths","submitted_at":"2020-08-20T18:00:00Z","abstract_excerpt":"The centre of the Milky Way is the site of several high-energy processes that have strongly impacted the inner regions of our Galaxy. Activity from the super-massive black hole, Sgr A*, and/or stellar feedback from the inner molecular ring expel matter and energy from the disc in the form of a galactic wind. Multiphase gas has been observed within this outflow, from hot highly-ionized, to warm ionized and cool atomic gas. To date, however, there has been no evidence of the cold and dense molecular phase. Here we report the first detection of molecular gas outflowing from the centre of our Gala"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.09121","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2008.09121/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:28:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7j5FFIEblfD14SclVqTJ26bF706tl6SwshYsl9tnZzvAh/yYiN1HmblaH9d6odmRYgQ0Qh2QsJo12o1NxsRpBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T22:22:23.627074Z"},"content_sha256":"772b547d6d451a2ad3ba1c6b22cb05d5eb36b84d1d537573fa86c70db27f5411","schema_version":"1.0","event_id":"sha256:772b547d6d451a2ad3ba1c6b22cb05d5eb36b84d1d537573fa86c70db27f5411"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y5G4ZWQIB7EQHGG2AEMCVG3P6W/bundle.json","state_url":"https://pith.science/pith/Y5G4ZWQIB7EQHGG2AEMCVG3P6W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y5G4ZWQIB7EQHGG2AEMCVG3P6W/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":"2026-08-12T22:22:23Z","links":{"resolver":"https://pith.science/pith/Y5G4ZWQIB7EQHGG2AEMCVG3P6W","bundle":"https://pith.science/pith/Y5G4ZWQIB7EQHGG2AEMCVG3P6W/bundle.json","state":"https://pith.science/pith/Y5G4ZWQIB7EQHGG2AEMCVG3P6W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y5G4ZWQIB7EQHGG2AEMCVG3P6W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:Y5G4ZWQIB7EQHGG2AEMCVG3P6W","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":"bb208c4fbb50f574bdf3c6fbbb1995d3a5335285bce33eade765b20478effbd3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-08-20T18:00:00Z","title_canon_sha256":"75e160a0bda62829f3b9e0f1e560ab0c72397ff80ceb2bf1557e6646170c9d0c"},"schema_version":"1.0","source":{"id":"2008.09121","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.09121","created_at":"2026-07-05T01:28:40Z"},{"alias_kind":"arxiv_version","alias_value":"2008.09121v1","created_at":"2026-07-05T01:28:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.09121","created_at":"2026-07-05T01:28:40Z"},{"alias_kind":"pith_short_12","alias_value":"Y5G4ZWQIB7EQ","created_at":"2026-07-05T01:28:40Z"},{"alias_kind":"pith_short_16","alias_value":"Y5G4ZWQIB7EQHGG2","created_at":"2026-07-05T01:28:40Z"},{"alias_kind":"pith_short_8","alias_value":"Y5G4ZWQI","created_at":"2026-07-05T01:28:40Z"}],"graph_snapshots":[{"event_id":"sha256:772b547d6d451a2ad3ba1c6b22cb05d5eb36b84d1d537573fa86c70db27f5411","target":"graph","created_at":"2026-07-05T01:28:40Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2008.09121/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The centre of the Milky Way is the site of several high-energy processes that have strongly impacted the inner regions of our Galaxy. Activity from the super-massive black hole, Sgr A*, and/or stellar feedback from the inner molecular ring expel matter and energy from the disc in the form of a galactic wind. Multiphase gas has been observed within this outflow, from hot highly-ionized, to warm ionized and cool atomic gas. To date, however, there has been no evidence of the cold and dense molecular phase. Here we report the first detection of molecular gas outflowing from the centre of our Gala","authors_text":"Enrico M. Di Teodoro, Felix J. Lockman, Lucia Armillotta, Naomi M. McClure-Griffiths","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-08-20T18:00:00Z","title":"Cold gas in the Milky Way's nuclear wind"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.09121","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:ee8679240d1ea860ef5f60287f15e18dc183df04ef1cd7e6ead65ba3600c697a","target":"record","created_at":"2026-07-05T01:28:40Z","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":"bb208c4fbb50f574bdf3c6fbbb1995d3a5335285bce33eade765b20478effbd3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-08-20T18:00:00Z","title_canon_sha256":"75e160a0bda62829f3b9e0f1e560ab0c72397ff80ceb2bf1557e6646170c9d0c"},"schema_version":"1.0","source":{"id":"2008.09121","kind":"arxiv","version":1}},"canonical_sha256":"c74dccda080fc90398da01182a9b6ff5930bd0ff7009dc3b32ff22695691bee3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c74dccda080fc90398da01182a9b6ff5930bd0ff7009dc3b32ff22695691bee3","first_computed_at":"2026-07-05T01:28:40.999801Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:28:40.999801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4LeXQnFYW9n+3UNdFXCgOPryQFRvvwnZdZS6DHCR06tL3G6Da6t75Q5UxTugWPnKS859mJ0N2TeMWYrmp/7aAg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:28:41.000337Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.09121","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ee8679240d1ea860ef5f60287f15e18dc183df04ef1cd7e6ead65ba3600c697a","sha256:772b547d6d451a2ad3ba1c6b22cb05d5eb36b84d1d537573fa86c70db27f5411"],"state_sha256":"945d8834b7126b0bcd96537eabd1583fbb52d958e03d2e8632e9fb9cf19660a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ErVLOEILtO3H3pvE2gYn/bi3jD5HZBz/4vme+VcXJ4iXWqOVv5wiBVzATCeI6IMlGFjzngPLinSf4VjH1Ug2AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T22:22:23.632857Z","bundle_sha256":"d05b42681171993c7c3dc6d44e51005c8adb00c442442acff6a967d1be25810b"}}