{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:7NOJMKE3K43CZR74QLC57OKURU","short_pith_number":"pith:7NOJMKE3","canonical_record":{"source":{"id":"1405.0821","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-05-05T08:17:12Z","cross_cats_sorted":[],"title_canon_sha256":"416c93512227ec5b0225e8eb8ac47c3df06ef5dbdef7adef6139c1b61d6a0258","abstract_canon_sha256":"ce82dbe8c73246ca09214468b8cc59f3c6917c886007eadbf0c45808f585e96a"},"schema_version":"1.0"},"canonical_sha256":"fb5c96289b57362cc7fc82c5dfb9548d0a410fccce71bf84494f4296cacdc049","source":{"kind":"arxiv","id":"1405.0821","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.0821","created_at":"2026-05-18T02:43:35Z"},{"alias_kind":"arxiv_version","alias_value":"1405.0821v1","created_at":"2026-05-18T02:43:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.0821","created_at":"2026-05-18T02:43:35Z"},{"alias_kind":"pith_short_12","alias_value":"7NOJMKE3K43C","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7NOJMKE3K43CZR74","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7NOJMKE3","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:7NOJMKE3K43CZR74QLC57OKURU","target":"record","payload":{"canonical_record":{"source":{"id":"1405.0821","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-05-05T08:17:12Z","cross_cats_sorted":[],"title_canon_sha256":"416c93512227ec5b0225e8eb8ac47c3df06ef5dbdef7adef6139c1b61d6a0258","abstract_canon_sha256":"ce82dbe8c73246ca09214468b8cc59f3c6917c886007eadbf0c45808f585e96a"},"schema_version":"1.0"},"canonical_sha256":"fb5c96289b57362cc7fc82c5dfb9548d0a410fccce71bf84494f4296cacdc049","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:43:35.784207Z","signature_b64":"nPhndLGMoEtgwOwzJ1naHvbuTXNrz3SqT96up9Dllsp7jAuZjl9SgYjnw2sngBW/A5t2p21QWZEUYemK28jMBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb5c96289b57362cc7fc82c5dfb9548d0a410fccce71bf84494f4296cacdc049","last_reissued_at":"2026-05-18T02:43:35.783683Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:43:35.783683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.0821","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":"2026-05-18T02:43:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lLQ0keq0JsALYLQwg6GPc7NcKyLqFo6QpHNtgKL74PMNIY87coJl5HH+7VRZUZWizm2eKUapPWMTOpq+3gq4DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:34:48.011411Z"},"content_sha256":"720076b2ca20714dfb3ddee3a154b8d8c034de2169a5ebb4f9d923b3a3678ddb","schema_version":"1.0","event_id":"sha256:720076b2ca20714dfb3ddee3a154b8d8c034de2169a5ebb4f9d923b3a3678ddb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:7NOJMKE3K43CZR74QLC57OKURU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Grain growth in the envelopes and disks of Class I protostars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Maury, A. Miotello, A. Natta, G. Lodato, G. Rosotti, K. Brooks, L. Ricci, L. Testi","submitted_at":"2014-05-05T08:17:12Z","abstract_excerpt":"We present new 3 mm ATCA data of two Class I Young Stellar Objects in the Ophiucus star forming region: Elias29 and WL12. For our analysis we compare them with archival 1.1 mm SMA data. In the (u,v) plane the two sources present a similar behavior: a nearly constant non-zero emission at long baselines, which suggests the presence of an unresolved component and an increase of the fluxes at short baselines, related to the presence of an extended envelope. Our data analysis leads to unusually low values of the spectral index $\\alpha_{\\rm 1.1-3mm}$, which may indicate that mm-sized dust grains hav"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.0821","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":"2026-05-18T02:43:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4+Y+XUaHjb4oAHZOPDCV9iEcGjyc/7zTGlwOyejETeOndJhWVn9UwRynnlwoM9vyHZRuxqsg4XJKYeFM9V+/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:34:48.011849Z"},"content_sha256":"6a51d4e67eac498b5065d41d676b9cd1f6f2f6140395f839b7a0133dbdd2a1f3","schema_version":"1.0","event_id":"sha256:6a51d4e67eac498b5065d41d676b9cd1f6f2f6140395f839b7a0133dbdd2a1f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7NOJMKE3K43CZR74QLC57OKURU/bundle.json","state_url":"https://pith.science/pith/7NOJMKE3K43CZR74QLC57OKURU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7NOJMKE3K43CZR74QLC57OKURU/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":"2026-05-30T12:34:48Z","links":{"resolver":"https://pith.science/pith/7NOJMKE3K43CZR74QLC57OKURU","bundle":"https://pith.science/pith/7NOJMKE3K43CZR74QLC57OKURU/bundle.json","state":"https://pith.science/pith/7NOJMKE3K43CZR74QLC57OKURU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7NOJMKE3K43CZR74QLC57OKURU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:7NOJMKE3K43CZR74QLC57OKURU","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":"ce82dbe8c73246ca09214468b8cc59f3c6917c886007eadbf0c45808f585e96a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-05-05T08:17:12Z","title_canon_sha256":"416c93512227ec5b0225e8eb8ac47c3df06ef5dbdef7adef6139c1b61d6a0258"},"schema_version":"1.0","source":{"id":"1405.0821","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.0821","created_at":"2026-05-18T02:43:35Z"},{"alias_kind":"arxiv_version","alias_value":"1405.0821v1","created_at":"2026-05-18T02:43:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.0821","created_at":"2026-05-18T02:43:35Z"},{"alias_kind":"pith_short_12","alias_value":"7NOJMKE3K43C","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7NOJMKE3K43CZR74","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7NOJMKE3","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:6a51d4e67eac498b5065d41d676b9cd1f6f2f6140395f839b7a0133dbdd2a1f3","target":"graph","created_at":"2026-05-18T02:43:35Z","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":"We present new 3 mm ATCA data of two Class I Young Stellar Objects in the Ophiucus star forming region: Elias29 and WL12. For our analysis we compare them with archival 1.1 mm SMA data. In the (u,v) plane the two sources present a similar behavior: a nearly constant non-zero emission at long baselines, which suggests the presence of an unresolved component and an increase of the fluxes at short baselines, related to the presence of an extended envelope. Our data analysis leads to unusually low values of the spectral index $\\alpha_{\\rm 1.1-3mm}$, which may indicate that mm-sized dust grains hav","authors_text":"A. Maury, A. Miotello, A. Natta, G. Lodato, G. Rosotti, K. Brooks, L. Ricci, L. Testi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-05-05T08:17:12Z","title":"Grain growth in the envelopes and disks of Class I protostars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.0821","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":"sha256:720076b2ca20714dfb3ddee3a154b8d8c034de2169a5ebb4f9d923b3a3678ddb","target":"record","created_at":"2026-05-18T02:43:35Z","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":"ce82dbe8c73246ca09214468b8cc59f3c6917c886007eadbf0c45808f585e96a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-05-05T08:17:12Z","title_canon_sha256":"416c93512227ec5b0225e8eb8ac47c3df06ef5dbdef7adef6139c1b61d6a0258"},"schema_version":"1.0","source":{"id":"1405.0821","kind":"arxiv","version":1}},"canonical_sha256":"fb5c96289b57362cc7fc82c5dfb9548d0a410fccce71bf84494f4296cacdc049","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fb5c96289b57362cc7fc82c5dfb9548d0a410fccce71bf84494f4296cacdc049","first_computed_at":"2026-05-18T02:43:35.783683Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:43:35.783683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nPhndLGMoEtgwOwzJ1naHvbuTXNrz3SqT96up9Dllsp7jAuZjl9SgYjnw2sngBW/A5t2p21QWZEUYemK28jMBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:43:35.784207Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.0821","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:720076b2ca20714dfb3ddee3a154b8d8c034de2169a5ebb4f9d923b3a3678ddb","sha256:6a51d4e67eac498b5065d41d676b9cd1f6f2f6140395f839b7a0133dbdd2a1f3"],"state_sha256":"3e663fcb49551cf6896d3662c212f0e8872620cf56190c3a3536728e615993f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0Zeu8PIoDq/cFWMdzhqzj77BlLEE0Uf0hDNAa5YpnL7dJuFj81gGaIup3E2v6gSGKyXkd1HA7KuOtS6zCLpJCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:34:48.014570Z","bundle_sha256":"f1a37174089c5c14e141ad39f30c6d49521f5d224265e9bbd5de2b64ec788284"}}