{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:VKVSL7RUEBVC7MLFHE2US74WWH","short_pith_number":"pith:VKVSL7RU","canonical_record":{"source":{"id":"2406.04022","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-06-06T12:45:45Z","cross_cats_sorted":[],"title_canon_sha256":"c5f02ea40379554e71d1bd49f32433da93608606b322dbaab38efb4baa6f3ee4","abstract_canon_sha256":"cbdc15d9e5a947f6183a2375718dc60facd3a854e4c58ac964bfbe9397313bd9"},"schema_version":"1.0"},"canonical_sha256":"aaab25fe34206a2fb1653935497f96b1cf41867cb47c8989168da276366a258e","source":{"kind":"arxiv","id":"2406.04022","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.04022","created_at":"2026-07-05T11:11:20Z"},{"alias_kind":"arxiv_version","alias_value":"2406.04022v2","created_at":"2026-07-05T11:11:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.04022","created_at":"2026-07-05T11:11:20Z"},{"alias_kind":"pith_short_12","alias_value":"VKVSL7RUEBVC","created_at":"2026-07-05T11:11:20Z"},{"alias_kind":"pith_short_16","alias_value":"VKVSL7RUEBVC7MLF","created_at":"2026-07-05T11:11:20Z"},{"alias_kind":"pith_short_8","alias_value":"VKVSL7RU","created_at":"2026-07-05T11:11:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:VKVSL7RUEBVC7MLFHE2US74WWH","target":"record","payload":{"canonical_record":{"source":{"id":"2406.04022","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-06-06T12:45:45Z","cross_cats_sorted":[],"title_canon_sha256":"c5f02ea40379554e71d1bd49f32433da93608606b322dbaab38efb4baa6f3ee4","abstract_canon_sha256":"cbdc15d9e5a947f6183a2375718dc60facd3a854e4c58ac964bfbe9397313bd9"},"schema_version":"1.0"},"canonical_sha256":"aaab25fe34206a2fb1653935497f96b1cf41867cb47c8989168da276366a258e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:11:20.464439Z","signature_b64":"OKTloGVf0veeit5MFGilSiLVknwvjBVbvr/C0fZ6j7vZIpUPNgl5Y4zyXMC1Q2Z/mCcEMkmTvk9f9sLAMqw+DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aaab25fe34206a2fb1653935497f96b1cf41867cb47c8989168da276366a258e","last_reissued_at":"2026-07-05T11:11:20.463920Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:11:20.463920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.04022","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:11:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pZOz6KrALdStttDtBOOz8PrUpxcf+RplkCijJOLExQTAqpJ7CSLVbjJRHLbL5aaHrh/uJc9h1+61LP6D/pLEDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:08:40.342084Z"},"content_sha256":"496872f77b5a1a50b2589451457f4f05e0f3b7f1aaa9dd06139b387d8e4902eb","schema_version":"1.0","event_id":"sha256:496872f77b5a1a50b2589451457f4f05e0f3b7f1aaa9dd06139b387d8e4902eb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:VKVSL7RUEBVC7MLFHE2US74WWH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The SKA Galactic Centre Survey -- A White Paper","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adriano Ingallinera, Angela Gardini, Antxon Alberdi, Farhad Yusef-Zadeh, Farideh Mazoochi, Fatemeh Tabatabei, Francisco Nogueras-Lara, Ian Heywood, Isabella Rammala, Izaskun Jimenez-Serra, Jan Forbrich, Javier Moldon, Jonathan D. Henshaw, Lourdes Verdes Montenegro, Mark R. Morris, Michael Kramer, Miguel Perez Torres, Rainer Schoedel, Steven N. Longmore, Susana Sanchez Exposito","submitted_at":"2024-06-06T12:45:45Z","abstract_excerpt":"With its extreme density of stars and stellar remnants, dense young massive clusters, high specific star formation rate, intense radiation field, high magnetic field strength, and properties of the interstellar medium that resemble those in high redshift galaxies and starbursts, the Galactic Centre is the most extreme environment that we can observe in detail. It is also the only nucleus of a galaxy that we can observe with a resolution of just a few milli parsecs. This makes it a crucial target to understand the physics of galactic nuclei and star formation, as well as the connection between "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.04022","kind":"arxiv","version":2},"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/2406.04022/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":"2026-07-05T11:11:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qdx0WqVGJD9ggTwXbi0HVO/bb8In5QKitJmOruodK2NdoMggZx71sWT+LqzpP2wVNiPOoFEskQKhbTwIxP2xAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:08:40.342664Z"},"content_sha256":"5a0faef033722fba10c844acf8c7934872312bee813567eb678b55b2b7a62214","schema_version":"1.0","event_id":"sha256:5a0faef033722fba10c844acf8c7934872312bee813567eb678b55b2b7a62214"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VKVSL7RUEBVC7MLFHE2US74WWH/bundle.json","state_url":"https://pith.science/pith/VKVSL7RUEBVC7MLFHE2US74WWH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VKVSL7RUEBVC7MLFHE2US74WWH/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":"2026-08-05T10:08:40Z","links":{"resolver":"https://pith.science/pith/VKVSL7RUEBVC7MLFHE2US74WWH","bundle":"https://pith.science/pith/VKVSL7RUEBVC7MLFHE2US74WWH/bundle.json","state":"https://pith.science/pith/VKVSL7RUEBVC7MLFHE2US74WWH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VKVSL7RUEBVC7MLFHE2US74WWH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:VKVSL7RUEBVC7MLFHE2US74WWH","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":"cbdc15d9e5a947f6183a2375718dc60facd3a854e4c58ac964bfbe9397313bd9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-06-06T12:45:45Z","title_canon_sha256":"c5f02ea40379554e71d1bd49f32433da93608606b322dbaab38efb4baa6f3ee4"},"schema_version":"1.0","source":{"id":"2406.04022","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.04022","created_at":"2026-07-05T11:11:20Z"},{"alias_kind":"arxiv_version","alias_value":"2406.04022v2","created_at":"2026-07-05T11:11:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.04022","created_at":"2026-07-05T11:11:20Z"},{"alias_kind":"pith_short_12","alias_value":"VKVSL7RUEBVC","created_at":"2026-07-05T11:11:20Z"},{"alias_kind":"pith_short_16","alias_value":"VKVSL7RUEBVC7MLF","created_at":"2026-07-05T11:11:20Z"},{"alias_kind":"pith_short_8","alias_value":"VKVSL7RU","created_at":"2026-07-05T11:11:20Z"}],"graph_snapshots":[{"event_id":"sha256:5a0faef033722fba10c844acf8c7934872312bee813567eb678b55b2b7a62214","target":"graph","created_at":"2026-07-05T11:11:20Z","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/2406.04022/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With its extreme density of stars and stellar remnants, dense young massive clusters, high specific star formation rate, intense radiation field, high magnetic field strength, and properties of the interstellar medium that resemble those in high redshift galaxies and starbursts, the Galactic Centre is the most extreme environment that we can observe in detail. It is also the only nucleus of a galaxy that we can observe with a resolution of just a few milli parsecs. This makes it a crucial target to understand the physics of galactic nuclei and star formation, as well as the connection between ","authors_text":"Adriano Ingallinera, Angela Gardini, Antxon Alberdi, Farhad Yusef-Zadeh, Farideh Mazoochi, Fatemeh Tabatabei, Francisco Nogueras-Lara, Ian Heywood, Isabella Rammala, Izaskun Jimenez-Serra, Jan Forbrich, Javier Moldon, Jonathan D. Henshaw, Lourdes Verdes Montenegro, Mark R. Morris, Michael Kramer, Miguel Perez Torres, Rainer Schoedel, Steven N. Longmore, Susana Sanchez Exposito","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-06-06T12:45:45Z","title":"The SKA Galactic Centre Survey -- A White Paper"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.04022","kind":"arxiv","version":2},"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":"sha256:496872f77b5a1a50b2589451457f4f05e0f3b7f1aaa9dd06139b387d8e4902eb","target":"record","created_at":"2026-07-05T11:11:20Z","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":"cbdc15d9e5a947f6183a2375718dc60facd3a854e4c58ac964bfbe9397313bd9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-06-06T12:45:45Z","title_canon_sha256":"c5f02ea40379554e71d1bd49f32433da93608606b322dbaab38efb4baa6f3ee4"},"schema_version":"1.0","source":{"id":"2406.04022","kind":"arxiv","version":2}},"canonical_sha256":"aaab25fe34206a2fb1653935497f96b1cf41867cb47c8989168da276366a258e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aaab25fe34206a2fb1653935497f96b1cf41867cb47c8989168da276366a258e","first_computed_at":"2026-07-05T11:11:20.463920Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:11:20.463920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OKTloGVf0veeit5MFGilSiLVknwvjBVbvr/C0fZ6j7vZIpUPNgl5Y4zyXMC1Q2Z/mCcEMkmTvk9f9sLAMqw+DA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:11:20.464439Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.04022","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:496872f77b5a1a50b2589451457f4f05e0f3b7f1aaa9dd06139b387d8e4902eb","sha256:5a0faef033722fba10c844acf8c7934872312bee813567eb678b55b2b7a62214"],"state_sha256":"7f1f6860b6cd1ba8186acce996bb12114f0767a6289538b83007b7e28a0b0881"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ydPsvoeEcCaWoDpHSigRSlDSYF3xNM8n1Poufo8n24pjrxLIzViP5eqkqvnCUZ9R8nemBXXctE1bijQlM49ECQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T10:08:40.348043Z","bundle_sha256":"8d28afebb83c1700c1ec3ae8efa6b717b89d1cfabb198f0acba8b87eca4ce172"}}