{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:G7QERX34DETT7CUNKMMG5SC7JV","short_pith_number":"pith:G7QERX34","canonical_record":{"source":{"id":"1510.02155","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-07T22:14:27Z","cross_cats_sorted":[],"title_canon_sha256":"11c8c227ca71af7932f37e15b6b98cff8af445a4babf6c56a8a29334a99f2d10","abstract_canon_sha256":"4089eeef1d1438b66f0597ac94e409f601c5f093a2978d28961620fbd6abbc3b"},"schema_version":"1.0"},"canonical_sha256":"37e048df7c19273f8a8d53186ec85f4d74e8fbf428f12ba3fda8db57218569b1","source":{"kind":"arxiv","id":"1510.02155","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.02155","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"arxiv_version","alias_value":"1510.02155v1","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02155","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"pith_short_12","alias_value":"G7QERX34DETT","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"G7QERX34DETT7CUN","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"G7QERX34","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:G7QERX34DETT7CUNKMMG5SC7JV","target":"record","payload":{"canonical_record":{"source":{"id":"1510.02155","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-07T22:14:27Z","cross_cats_sorted":[],"title_canon_sha256":"11c8c227ca71af7932f37e15b6b98cff8af445a4babf6c56a8a29334a99f2d10","abstract_canon_sha256":"4089eeef1d1438b66f0597ac94e409f601c5f093a2978d28961620fbd6abbc3b"},"schema_version":"1.0"},"canonical_sha256":"37e048df7c19273f8a8d53186ec85f4d74e8fbf428f12ba3fda8db57218569b1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:44.599848Z","signature_b64":"Jj98blyxKPPWESO1kvun6KeCr5i7i+qL7hjhi6eAy2GkcJo92S7we8Ysy+//HdFqdRpQKsgAMdlYz6IErJZIDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37e048df7c19273f8a8d53186ec85f4d74e8fbf428f12ba3fda8db57218569b1","last_reissued_at":"2026-05-18T01:30:44.599210Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:44.599210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.02155","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":"2026-05-18T01:30:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d9ja9K//9AGkkiRsU2A6FUa+7dNVRIDCJSDx0NKycdD8i5ZTVORylB9Ey8RB+3AIm2+abdnYdb13SM2nmNnKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:39:06.760151Z"},"content_sha256":"33e77e9539d4c3354d0b7d1673b7aea5db6d8730b4052f6e42bc5e25cd2f136e","schema_version":"1.0","event_id":"sha256:33e77e9539d4c3354d0b7d1673b7aea5db6d8730b4052f6e42bc5e25cd2f136e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:G7QERX34DETT7CUNKMMG5SC7JV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kinematics of the Envelope and Two Bipolar Jets in the Class 0 Protostellar System L1157","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"2, (2) University of Illinois, 3), (3) KASI, 4), (4) IAR, 5), (5) Boston University), Ian W. Stephens (2, Leslie W. Looney (2) ((1) SRON, Manuel Fernandez-Lopez (2, Woojin Kwon (1","submitted_at":"2015-10-07T22:14:27Z","abstract_excerpt":"A massive envelope and a strong bipolar outflow are the two main structures characterizing the youngest protostellar systems. In order to understand the physical properties of a bipolar outflow and the relationship with those of the envelope, we obtained a mosaic map covering the whole bipolar outflow of the youngest protostellar system L1157 with about $5\"$ angular resolution in CO J=2-1 using the Combined Array for Research in Millimeter-wave Astronomy. By utilizing these observations of the whole bipolar outflow, we estimate its physical properties and show that they are consistent with mul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02155","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":"2026-05-18T01:30:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"otJF/O2L+dnqcJrSnO7/2UxwvgsW17rbIkPCGlW/RyKGHRanqP5DQ5SpgFohkUJcYceejN3kIX2b2Xq3Q8rZAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:39:06.760858Z"},"content_sha256":"934d38094083dd411202f062435745f21262c7e318ebe8051a7953417f434905","schema_version":"1.0","event_id":"sha256:934d38094083dd411202f062435745f21262c7e318ebe8051a7953417f434905"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G7QERX34DETT7CUNKMMG5SC7JV/bundle.json","state_url":"https://pith.science/pith/G7QERX34DETT7CUNKMMG5SC7JV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G7QERX34DETT7CUNKMMG5SC7JV/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":"2026-05-26T12:39:06Z","links":{"resolver":"https://pith.science/pith/G7QERX34DETT7CUNKMMG5SC7JV","bundle":"https://pith.science/pith/G7QERX34DETT7CUNKMMG5SC7JV/bundle.json","state":"https://pith.science/pith/G7QERX34DETT7CUNKMMG5SC7JV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G7QERX34DETT7CUNKMMG5SC7JV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:G7QERX34DETT7CUNKMMG5SC7JV","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":"4089eeef1d1438b66f0597ac94e409f601c5f093a2978d28961620fbd6abbc3b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-07T22:14:27Z","title_canon_sha256":"11c8c227ca71af7932f37e15b6b98cff8af445a4babf6c56a8a29334a99f2d10"},"schema_version":"1.0","source":{"id":"1510.02155","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.02155","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"arxiv_version","alias_value":"1510.02155v1","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02155","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"pith_short_12","alias_value":"G7QERX34DETT","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"G7QERX34DETT7CUN","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"G7QERX34","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:934d38094083dd411202f062435745f21262c7e318ebe8051a7953417f434905","target":"graph","created_at":"2026-05-18T01:30:44Z","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":"A massive envelope and a strong bipolar outflow are the two main structures characterizing the youngest protostellar systems. In order to understand the physical properties of a bipolar outflow and the relationship with those of the envelope, we obtained a mosaic map covering the whole bipolar outflow of the youngest protostellar system L1157 with about $5\"$ angular resolution in CO J=2-1 using the Combined Array for Research in Millimeter-wave Astronomy. By utilizing these observations of the whole bipolar outflow, we estimate its physical properties and show that they are consistent with mul","authors_text":"2, (2) University of Illinois, 3), (3) KASI, 4), (4) IAR, 5), (5) Boston University), Ian W. Stephens (2, Leslie W. Looney (2) ((1) SRON, Manuel Fernandez-Lopez (2, Woojin Kwon (1","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-07T22:14:27Z","title":"Kinematics of the Envelope and Two Bipolar Jets in the Class 0 Protostellar System L1157"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02155","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":"sha256:33e77e9539d4c3354d0b7d1673b7aea5db6d8730b4052f6e42bc5e25cd2f136e","target":"record","created_at":"2026-05-18T01:30:44Z","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":"4089eeef1d1438b66f0597ac94e409f601c5f093a2978d28961620fbd6abbc3b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-07T22:14:27Z","title_canon_sha256":"11c8c227ca71af7932f37e15b6b98cff8af445a4babf6c56a8a29334a99f2d10"},"schema_version":"1.0","source":{"id":"1510.02155","kind":"arxiv","version":1}},"canonical_sha256":"37e048df7c19273f8a8d53186ec85f4d74e8fbf428f12ba3fda8db57218569b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37e048df7c19273f8a8d53186ec85f4d74e8fbf428f12ba3fda8db57218569b1","first_computed_at":"2026-05-18T01:30:44.599210Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:44.599210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Jj98blyxKPPWESO1kvun6KeCr5i7i+qL7hjhi6eAy2GkcJo92S7we8Ysy+//HdFqdRpQKsgAMdlYz6IErJZIDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:44.599848Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.02155","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:33e77e9539d4c3354d0b7d1673b7aea5db6d8730b4052f6e42bc5e25cd2f136e","sha256:934d38094083dd411202f062435745f21262c7e318ebe8051a7953417f434905"],"state_sha256":"09e3075e309c6ba04e342674613059806bca5760ce47fcbd232c63b77acdbfd7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N42Q8I6dDo+SbdKI2cqVtgXMDO81cFF4IuIAxZmUwC7G7YAmQjbNgPhl7/ueOMMWDKDB1HhwuPLBuCu2LMVRAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T12:39:06.764254Z","bundle_sha256":"7bfa629340e64a9da2a25a3072876abcedb88f5a98a7f49e90b37ada1561d2dc"}}