{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:Q4DSRYJS3Y6J63PKZG6OL27BS4","short_pith_number":"pith:Q4DSRYJS","canonical_record":{"source":{"id":"1706.08977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-06-27T18:00:06Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"f2138c1ba8cebe64e3499049aac4137e061f3747d1e86b66e58f45f14d678935","abstract_canon_sha256":"524b03fefc64dcd8143374774ad28f4e47cad9a4f019495e5a86671e0ed6243a"},"schema_version":"1.0"},"canonical_sha256":"870728e132de3c9f6deac9bce5ebe197220edab1b5de5696df1c99f2b2c7be38","source":{"kind":"arxiv","id":"1706.08977","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.08977","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"arxiv_version","alias_value":"1706.08977v1","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.08977","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"pith_short_12","alias_value":"Q4DSRYJS3Y6J","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"Q4DSRYJS3Y6J63PK","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"Q4DSRYJS","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:Q4DSRYJS3Y6J63PKZG6OL27BS4","target":"record","payload":{"canonical_record":{"source":{"id":"1706.08977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-06-27T18:00:06Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"f2138c1ba8cebe64e3499049aac4137e061f3747d1e86b66e58f45f14d678935","abstract_canon_sha256":"524b03fefc64dcd8143374774ad28f4e47cad9a4f019495e5a86671e0ed6243a"},"schema_version":"1.0"},"canonical_sha256":"870728e132de3c9f6deac9bce5ebe197220edab1b5de5696df1c99f2b2c7be38","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:33.461705Z","signature_b64":"TjWXzL4p48zpvyvCidQ3+A+OTcSgqZFF5Ygd75+87SW5JRm1KMF9REAMNqAgQmXPzLuJ7AA/Q7BJwZAYnqKNAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"870728e132de3c9f6deac9bce5ebe197220edab1b5de5696df1c99f2b2c7be38","last_reissued_at":"2026-05-18T00:37:33.460965Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:33.460965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.08977","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":"2026-05-18T00:37:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zLy/RKGBsNZWbyOSpUnDLiPaVPTSfzc6PTytiRB8ksB0Q0GePI8+wL1iV6JGdldZdFEIDM7dT5yyUJfBdB68DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:00:58.417744Z"},"content_sha256":"b3a31c6379b817b9324833e59134070fc65e721ebb4c2d2185861c07cf5c682a","schema_version":"1.0","event_id":"sha256:b3a31c6379b817b9324833e59134070fc65e721ebb4c2d2185861c07cf5c682a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:Q4DSRYJS3Y6J63PKZG6OL27BS4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Millimeter Continuum Size-Luminosity Relationship for Protoplanetary Disks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Anjali Tripathi, David J. Wilner, Sean M. Andrews, Tilman Birnstiel","submitted_at":"2017-06-27T18:00:06Z","abstract_excerpt":"We present a sub-arcsecond resolution survey of the 340 GHz dust continuum emission from 50 nearby protoplanetary disks, based on new and archival observations with the Submillimeter Array. The observed visibility data were modeled with a simple prescription for the radial surface brightness profile. The results were used to extract intuitive, empirical estimates of the emission \"size\" for each disk, $R_{\\rm eff}$, defined as the radius that encircles a fixed fraction of the total continuum luminosity, $L_{\\rm mm}$. We find a significant correlation between the sizes and luminosities, such tha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.08977","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":"2026-05-18T00:37:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BhDPhL0BzC74qL66g8LIXdAeE36oF7nG5i0mHU1GmuDJlcOM1l3NuvyIRInG6wvbB+zsZqBzHm3Rk6Z36AkWDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:00:58.418090Z"},"content_sha256":"bd201982365777e3ce81cfef503f646651bd186a3831ed8b239088d5d47864be","schema_version":"1.0","event_id":"sha256:bd201982365777e3ce81cfef503f646651bd186a3831ed8b239088d5d47864be"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q4DSRYJS3Y6J63PKZG6OL27BS4/bundle.json","state_url":"https://pith.science/pith/Q4DSRYJS3Y6J63PKZG6OL27BS4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q4DSRYJS3Y6J63PKZG6OL27BS4/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":"2026-05-28T05:00:58Z","links":{"resolver":"https://pith.science/pith/Q4DSRYJS3Y6J63PKZG6OL27BS4","bundle":"https://pith.science/pith/Q4DSRYJS3Y6J63PKZG6OL27BS4/bundle.json","state":"https://pith.science/pith/Q4DSRYJS3Y6J63PKZG6OL27BS4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q4DSRYJS3Y6J63PKZG6OL27BS4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:Q4DSRYJS3Y6J63PKZG6OL27BS4","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":"524b03fefc64dcd8143374774ad28f4e47cad9a4f019495e5a86671e0ed6243a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-06-27T18:00:06Z","title_canon_sha256":"f2138c1ba8cebe64e3499049aac4137e061f3747d1e86b66e58f45f14d678935"},"schema_version":"1.0","source":{"id":"1706.08977","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.08977","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"arxiv_version","alias_value":"1706.08977v1","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.08977","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"pith_short_12","alias_value":"Q4DSRYJS3Y6J","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"Q4DSRYJS3Y6J63PK","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"Q4DSRYJS","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:bd201982365777e3ce81cfef503f646651bd186a3831ed8b239088d5d47864be","target":"graph","created_at":"2026-05-18T00:37:33Z","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 a sub-arcsecond resolution survey of the 340 GHz dust continuum emission from 50 nearby protoplanetary disks, based on new and archival observations with the Submillimeter Array. The observed visibility data were modeled with a simple prescription for the radial surface brightness profile. The results were used to extract intuitive, empirical estimates of the emission \"size\" for each disk, $R_{\\rm eff}$, defined as the radius that encircles a fixed fraction of the total continuum luminosity, $L_{\\rm mm}$. We find a significant correlation between the sizes and luminosities, such tha","authors_text":"Anjali Tripathi, David J. Wilner, Sean M. Andrews, Tilman Birnstiel","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-06-27T18:00:06Z","title":"A Millimeter Continuum Size-Luminosity Relationship for Protoplanetary Disks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.08977","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:b3a31c6379b817b9324833e59134070fc65e721ebb4c2d2185861c07cf5c682a","target":"record","created_at":"2026-05-18T00:37:33Z","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":"524b03fefc64dcd8143374774ad28f4e47cad9a4f019495e5a86671e0ed6243a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-06-27T18:00:06Z","title_canon_sha256":"f2138c1ba8cebe64e3499049aac4137e061f3747d1e86b66e58f45f14d678935"},"schema_version":"1.0","source":{"id":"1706.08977","kind":"arxiv","version":1}},"canonical_sha256":"870728e132de3c9f6deac9bce5ebe197220edab1b5de5696df1c99f2b2c7be38","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"870728e132de3c9f6deac9bce5ebe197220edab1b5de5696df1c99f2b2c7be38","first_computed_at":"2026-05-18T00:37:33.460965Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:33.460965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TjWXzL4p48zpvyvCidQ3+A+OTcSgqZFF5Ygd75+87SW5JRm1KMF9REAMNqAgQmXPzLuJ7AA/Q7BJwZAYnqKNAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:33.461705Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.08977","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3a31c6379b817b9324833e59134070fc65e721ebb4c2d2185861c07cf5c682a","sha256:bd201982365777e3ce81cfef503f646651bd186a3831ed8b239088d5d47864be"],"state_sha256":"d9d3d126449c35e9939970e3ac605d44d056db758b46ea6d2b3186f5940e5b10"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EooigdByvC8Z18WPmyI2+Qas25vCJguAw0SLmQZ6jqSF5JBjs93pcgL9H5+SxJppi9xL+Mf1JD4Gm2n1YGEMBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:00:58.420191Z","bundle_sha256":"6143a80b10367302387f03cd62d24d54a5906f426b99129be2e481b5969fab43"}}