{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4TSVE3JKB5UDUOSUWPTW4SEDXN","short_pith_number":"pith:4TSVE3JK","canonical_record":{"source":{"id":"1807.10212","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-26T15:58:19Z","cross_cats_sorted":[],"title_canon_sha256":"246cbd4f775fcd81b69f8eee84ea9023d7ff9728bbc1ee03e0c5c7ab54c160a8","abstract_canon_sha256":"2b709786cf812b5671896eb04dc21c24634ecfb49aec42d30dc482c6fab04867"},"schema_version":"1.0"},"canonical_sha256":"e4e5526d2a0f683a3a54b3e76e4883bb70f6e9e8151621cefe5b2b229b9f5d1e","source":{"kind":"arxiv","id":"1807.10212","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10212","created_at":"2026-05-18T00:05:30Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10212v1","created_at":"2026-05-18T00:05:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10212","created_at":"2026-05-18T00:05:30Z"},{"alias_kind":"pith_short_12","alias_value":"4TSVE3JKB5UD","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4TSVE3JKB5UDUOSU","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4TSVE3JK","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4TSVE3JKB5UDUOSUWPTW4SEDXN","target":"record","payload":{"canonical_record":{"source":{"id":"1807.10212","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-26T15:58:19Z","cross_cats_sorted":[],"title_canon_sha256":"246cbd4f775fcd81b69f8eee84ea9023d7ff9728bbc1ee03e0c5c7ab54c160a8","abstract_canon_sha256":"2b709786cf812b5671896eb04dc21c24634ecfb49aec42d30dc482c6fab04867"},"schema_version":"1.0"},"canonical_sha256":"e4e5526d2a0f683a3a54b3e76e4883bb70f6e9e8151621cefe5b2b229b9f5d1e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:30.237327Z","signature_b64":"WO+cbr0mlU3qamyLInwWepDFzE1bf13FylXHyV8Y+1r6KXPFT9qOt50+7bdJvuyB1tp0CD6Hr/Arj91euVGTAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e4e5526d2a0f683a3a54b3e76e4883bb70f6e9e8151621cefe5b2b229b9f5d1e","last_reissued_at":"2026-05-18T00:05:30.236897Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:30.236897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.10212","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":"2026-05-18T00:05:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"py9pV1dehBaGgrlMB+QiNznX+42FpgyaMe8UkDTcMbOQklbrkNKbGca+E8I0ttQxfnWDQaepBsCfd96sMx9BCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:27:43.499580Z"},"content_sha256":"b8b3c90cb67f73d05ea2d18f579e094b46233745e84d0600f850fb851250be3e","schema_version":"1.0","event_id":"sha256:b8b3c90cb67f73d05ea2d18f579e094b46233745e84d0600f850fb851250be3e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4TSVE3JKB5UDUOSUWPTW4SEDXN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Variability and Jet Activity in the YSO MHO~3252~Y3 in Serpens South","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Klaus W. Hodapp, Rolf Chini","submitted_at":"2018-07-26T15:58:19Z","abstract_excerpt":"The infrared young stellar outflow source MHO 3252 Y3 in the Serpens South star-forming region was found to be variable. The available photometric data can be fitted with a double peaked light curve of 904 d period. Color variations are consistent with variable extinction with a flatter wavelength dependence than interstellar extinction, i.e., larger grains. MHO 3252 Y3 is the source of a large scale bipolar outflow, but the most recent outflow activity has produced a microjet detectable in the shock excited H_2 1--0 S(1) line while [FeII] emission appears confined to the immediate vicinity of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10212","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":"2026-05-18T00:05:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qo+oaxDkVpREH1l+SRYVFHRukS0VuZs585OP5VyrGXAyxbPhhQJqGDuzlMcSxC5bBJFmyEo/AAn8wUz8nrJ5CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:27:43.500259Z"},"content_sha256":"33b54ddaba269c359df0e947e21bb6036cd95a2bf7c45334769f44fce2ec8768","schema_version":"1.0","event_id":"sha256:33b54ddaba269c359df0e947e21bb6036cd95a2bf7c45334769f44fce2ec8768"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4TSVE3JKB5UDUOSUWPTW4SEDXN/bundle.json","state_url":"https://pith.science/pith/4TSVE3JKB5UDUOSUWPTW4SEDXN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4TSVE3JKB5UDUOSUWPTW4SEDXN/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":"2026-05-25T15:27:43Z","links":{"resolver":"https://pith.science/pith/4TSVE3JKB5UDUOSUWPTW4SEDXN","bundle":"https://pith.science/pith/4TSVE3JKB5UDUOSUWPTW4SEDXN/bundle.json","state":"https://pith.science/pith/4TSVE3JKB5UDUOSUWPTW4SEDXN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4TSVE3JKB5UDUOSUWPTW4SEDXN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4TSVE3JKB5UDUOSUWPTW4SEDXN","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":"2b709786cf812b5671896eb04dc21c24634ecfb49aec42d30dc482c6fab04867","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-26T15:58:19Z","title_canon_sha256":"246cbd4f775fcd81b69f8eee84ea9023d7ff9728bbc1ee03e0c5c7ab54c160a8"},"schema_version":"1.0","source":{"id":"1807.10212","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10212","created_at":"2026-05-18T00:05:30Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10212v1","created_at":"2026-05-18T00:05:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10212","created_at":"2026-05-18T00:05:30Z"},{"alias_kind":"pith_short_12","alias_value":"4TSVE3JKB5UD","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4TSVE3JKB5UDUOSU","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4TSVE3JK","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:33b54ddaba269c359df0e947e21bb6036cd95a2bf7c45334769f44fce2ec8768","target":"graph","created_at":"2026-05-18T00:05:30Z","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":"The infrared young stellar outflow source MHO 3252 Y3 in the Serpens South star-forming region was found to be variable. The available photometric data can be fitted with a double peaked light curve of 904 d period. Color variations are consistent with variable extinction with a flatter wavelength dependence than interstellar extinction, i.e., larger grains. MHO 3252 Y3 is the source of a large scale bipolar outflow, but the most recent outflow activity has produced a microjet detectable in the shock excited H_2 1--0 S(1) line while [FeII] emission appears confined to the immediate vicinity of","authors_text":"Klaus W. Hodapp, Rolf Chini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-26T15:58:19Z","title":"Variability and Jet Activity in the YSO MHO~3252~Y3 in Serpens South"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10212","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:b8b3c90cb67f73d05ea2d18f579e094b46233745e84d0600f850fb851250be3e","target":"record","created_at":"2026-05-18T00:05:30Z","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":"2b709786cf812b5671896eb04dc21c24634ecfb49aec42d30dc482c6fab04867","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-26T15:58:19Z","title_canon_sha256":"246cbd4f775fcd81b69f8eee84ea9023d7ff9728bbc1ee03e0c5c7ab54c160a8"},"schema_version":"1.0","source":{"id":"1807.10212","kind":"arxiv","version":1}},"canonical_sha256":"e4e5526d2a0f683a3a54b3e76e4883bb70f6e9e8151621cefe5b2b229b9f5d1e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e4e5526d2a0f683a3a54b3e76e4883bb70f6e9e8151621cefe5b2b229b9f5d1e","first_computed_at":"2026-05-18T00:05:30.236897Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:30.236897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WO+cbr0mlU3qamyLInwWepDFzE1bf13FylXHyV8Y+1r6KXPFT9qOt50+7bdJvuyB1tp0CD6Hr/Arj91euVGTAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:30.237327Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.10212","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8b3c90cb67f73d05ea2d18f579e094b46233745e84d0600f850fb851250be3e","sha256:33b54ddaba269c359df0e947e21bb6036cd95a2bf7c45334769f44fce2ec8768"],"state_sha256":"c59b280fc784100f90b00a9edbda7530cbe20e6a714962c360f7f52ec67d6a12"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hAkSAG1ZK1Pm/z7Sb1lFhHbgEuCOjNMpVhWC+dELTRHeaDtfiiHCDpA/Qm3IGirWzHFW+yg1NrTE+TRDpmbBAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:27:43.503801Z","bundle_sha256":"2ac02c255308583bf87739fd49a5c4cf7bf9c819b7dc5bd2ae090a182f076ad2"}}