{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:A2WX5HMPNUVIUFW6IURLEGKRAL","short_pith_number":"pith:A2WX5HMP","canonical_record":{"source":{"id":"2305.15647","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-05-25T01:47:28Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"8eb0613c367a77bc8dbbf716440eede0c8827d99f58ff7dd05af903fee343299","abstract_canon_sha256":"d5f3a01c0d0345f56484df67cc7f49424e453df87d0e083b0924046d550ae503"},"schema_version":"1.0"},"canonical_sha256":"06ad7e9d8f6d2a8a16de4522b2195102e15117e56aaed5f17d112998b46f86df","source":{"kind":"arxiv","id":"2305.15647","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.15647","created_at":"2026-07-05T06:24:50Z"},{"alias_kind":"arxiv_version","alias_value":"2305.15647v2","created_at":"2026-07-05T06:24:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.15647","created_at":"2026-07-05T06:24:50Z"},{"alias_kind":"pith_short_12","alias_value":"A2WX5HMPNUVI","created_at":"2026-07-05T06:24:50Z"},{"alias_kind":"pith_short_16","alias_value":"A2WX5HMPNUVIUFW6","created_at":"2026-07-05T06:24:50Z"},{"alias_kind":"pith_short_8","alias_value":"A2WX5HMP","created_at":"2026-07-05T06:24:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:A2WX5HMPNUVIUFW6IURLEGKRAL","target":"record","payload":{"canonical_record":{"source":{"id":"2305.15647","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-05-25T01:47:28Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"8eb0613c367a77bc8dbbf716440eede0c8827d99f58ff7dd05af903fee343299","abstract_canon_sha256":"d5f3a01c0d0345f56484df67cc7f49424e453df87d0e083b0924046d550ae503"},"schema_version":"1.0"},"canonical_sha256":"06ad7e9d8f6d2a8a16de4522b2195102e15117e56aaed5f17d112998b46f86df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:24:50.334910Z","signature_b64":"VGLbW04SLlacZTNJXgFDK9l3O5SZsiRbIWxHnvWdUC2OKvBHSwrFSZo9Q8fbQiemWQN2Ty7+iE+oY1g0bpPfCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06ad7e9d8f6d2a8a16de4522b2195102e15117e56aaed5f17d112998b46f86df","last_reissued_at":"2026-07-05T06:24:50.334493Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:24:50.334493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.15647","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":"2026-07-05T06:24:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WRzD6THboGIo5xKFw/5dVIb5r6Qtvut0Izp3ZGTt/Ctb77icyjdNv0ITLMwjf6UlM0BjIMZRPUqm2xSTfu4yDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:12:38.770442Z"},"content_sha256":"1303b314085b37c6468ee53409f8b0fc7fea9451d5916b8e721a2cd9aea5d8af","schema_version":"1.0","event_id":"sha256:1303b314085b37c6468ee53409f8b0fc7fea9451d5916b8e721a2cd9aea5d8af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:A2WX5HMPNUVIUFW6IURLEGKRAL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resolving the Binary Components of the Outbursting Protostar HBC 494 with ALMA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Alice Zurlo, Antonio Hales, Camilo Gonz\\'alez-Ruilova, Dary A. Ru\\'iz-Rodr\\'iguez, David A. Principe, Felipe G. Goicovic, Gregory J. Herczeg, Jonathan P. Williams, Jorge Cuadra, Lucas A. Cieza, Mat\\'ias Montesinos, Nicol\\'as Cuello, Pedro Henrique Nogueira, Prachi Chavan, Sebasti\\'an P\\'erez, Simon Casassus, Trisha Bhowmik, Zhaohuan Zhu","submitted_at":"2023-05-25T01:47:28Z","abstract_excerpt":"Episodic accretion is a low-mass pre-main sequence phenomenon characterized by sudden outbursts of enhanced accretion. These objects are classified into two: protostars with elevated levels of accretion that lasts for decades or more, called FUors, and protostars with shorter and repetitive bursts, called EXors. HBC 494 is a FUor object embedded in the Orion Molecular Cloud. Earlier Atacama Large (sub-)Millimeter Array (ALMA) continuum observations showed an asymmetry in the disk at 0.''2 resolution. Here, we present follow-up observations at ~0.''03, resolving the system into two components: "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.15647","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/2305.15647/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":"2026-07-05T06:24:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m5a3j4X65jjChxF+TNcVQikgM5s+nFwHxp5FQ4YOPRmJ1eUKeyiIakrEEwiSsPcRR9249E+B/BBHbItvOip/Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:12:38.770955Z"},"content_sha256":"d4c1b09bc63e48089e6406580847edf8a1f40959ef5bfec042d277407aab2ba3","schema_version":"1.0","event_id":"sha256:d4c1b09bc63e48089e6406580847edf8a1f40959ef5bfec042d277407aab2ba3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A2WX5HMPNUVIUFW6IURLEGKRAL/bundle.json","state_url":"https://pith.science/pith/A2WX5HMPNUVIUFW6IURLEGKRAL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A2WX5HMPNUVIUFW6IURLEGKRAL/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":"2026-08-11T01:12:38Z","links":{"resolver":"https://pith.science/pith/A2WX5HMPNUVIUFW6IURLEGKRAL","bundle":"https://pith.science/pith/A2WX5HMPNUVIUFW6IURLEGKRAL/bundle.json","state":"https://pith.science/pith/A2WX5HMPNUVIUFW6IURLEGKRAL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A2WX5HMPNUVIUFW6IURLEGKRAL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:A2WX5HMPNUVIUFW6IURLEGKRAL","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":"d5f3a01c0d0345f56484df67cc7f49424e453df87d0e083b0924046d550ae503","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-05-25T01:47:28Z","title_canon_sha256":"8eb0613c367a77bc8dbbf716440eede0c8827d99f58ff7dd05af903fee343299"},"schema_version":"1.0","source":{"id":"2305.15647","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.15647","created_at":"2026-07-05T06:24:50Z"},{"alias_kind":"arxiv_version","alias_value":"2305.15647v2","created_at":"2026-07-05T06:24:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.15647","created_at":"2026-07-05T06:24:50Z"},{"alias_kind":"pith_short_12","alias_value":"A2WX5HMPNUVI","created_at":"2026-07-05T06:24:50Z"},{"alias_kind":"pith_short_16","alias_value":"A2WX5HMPNUVIUFW6","created_at":"2026-07-05T06:24:50Z"},{"alias_kind":"pith_short_8","alias_value":"A2WX5HMP","created_at":"2026-07-05T06:24:50Z"}],"graph_snapshots":[{"event_id":"sha256:d4c1b09bc63e48089e6406580847edf8a1f40959ef5bfec042d277407aab2ba3","target":"graph","created_at":"2026-07-05T06:24:50Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2305.15647/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Episodic accretion is a low-mass pre-main sequence phenomenon characterized by sudden outbursts of enhanced accretion. These objects are classified into two: protostars with elevated levels of accretion that lasts for decades or more, called FUors, and protostars with shorter and repetitive bursts, called EXors. HBC 494 is a FUor object embedded in the Orion Molecular Cloud. Earlier Atacama Large (sub-)Millimeter Array (ALMA) continuum observations showed an asymmetry in the disk at 0.''2 resolution. Here, we present follow-up observations at ~0.''03, resolving the system into two components: ","authors_text":"Alice Zurlo, Antonio Hales, Camilo Gonz\\'alez-Ruilova, Dary A. Ru\\'iz-Rodr\\'iguez, David A. Principe, Felipe G. Goicovic, Gregory J. Herczeg, Jonathan P. Williams, Jorge Cuadra, Lucas A. Cieza, Mat\\'ias Montesinos, Nicol\\'as Cuello, Pedro Henrique Nogueira, Prachi Chavan, Sebasti\\'an P\\'erez, Simon Casassus, Trisha Bhowmik, Zhaohuan Zhu","cross_cats":["astro-ph.EP","astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-05-25T01:47:28Z","title":"Resolving the Binary Components of the Outbursting Protostar HBC 494 with ALMA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.15647","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":"sha256:1303b314085b37c6468ee53409f8b0fc7fea9451d5916b8e721a2cd9aea5d8af","target":"record","created_at":"2026-07-05T06:24:50Z","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":"d5f3a01c0d0345f56484df67cc7f49424e453df87d0e083b0924046d550ae503","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-05-25T01:47:28Z","title_canon_sha256":"8eb0613c367a77bc8dbbf716440eede0c8827d99f58ff7dd05af903fee343299"},"schema_version":"1.0","source":{"id":"2305.15647","kind":"arxiv","version":2}},"canonical_sha256":"06ad7e9d8f6d2a8a16de4522b2195102e15117e56aaed5f17d112998b46f86df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06ad7e9d8f6d2a8a16de4522b2195102e15117e56aaed5f17d112998b46f86df","first_computed_at":"2026-07-05T06:24:50.334493Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:24:50.334493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VGLbW04SLlacZTNJXgFDK9l3O5SZsiRbIWxHnvWdUC2OKvBHSwrFSZo9Q8fbQiemWQN2Ty7+iE+oY1g0bpPfCA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:24:50.334910Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.15647","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1303b314085b37c6468ee53409f8b0fc7fea9451d5916b8e721a2cd9aea5d8af","sha256:d4c1b09bc63e48089e6406580847edf8a1f40959ef5bfec042d277407aab2ba3"],"state_sha256":"091925b82b06d7034f6f03157802b6b9ad4eaa11b9b82feeba48a750e0fa2b0e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FRpBnB/+bCTGWv/CCmoUV/OHB3GwH2h6VaIRIE2Ma+eCm+/QscSWc1OzvAAPkDDbBekLhtNcTTIfx8mJfVQqBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T01:12:38.775551Z","bundle_sha256":"624e75044199022509f7d186ad5f0a99a6bf236b555082e19f3ba5de70bcf439"}}