{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:HMA3WKRTQVUK3XUGPM3JPSOEZ5","short_pith_number":"pith:HMA3WKRT","canonical_record":{"source":{"id":"astro-ph/0602618","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-02-28T11:25:10Z","cross_cats_sorted":[],"title_canon_sha256":"3f354a447fdb73809ba6b5d09440589bcb1e00142b86c3d27069bf61a09fe3ee","abstract_canon_sha256":"c2c0355a4ed12b0f14449b74abcd78429aca020be78009c2b31f332473e28850"},"schema_version":"1.0"},"canonical_sha256":"3b01bb2a338568adde867b3697c9c4cf69ea563f42eafaccd6efca3b396b9f91","source":{"kind":"arxiv","id":"astro-ph/0602618","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0602618","created_at":"2026-07-04T16:58:03Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0602618v1","created_at":"2026-07-04T16:58:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0602618","created_at":"2026-07-04T16:58:03Z"},{"alias_kind":"pith_short_12","alias_value":"HMA3WKRTQVUK","created_at":"2026-07-04T16:58:03Z"},{"alias_kind":"pith_short_16","alias_value":"HMA3WKRTQVUK3XUG","created_at":"2026-07-04T16:58:03Z"},{"alias_kind":"pith_short_8","alias_value":"HMA3WKRT","created_at":"2026-07-04T16:58:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:HMA3WKRTQVUK3XUGPM3JPSOEZ5","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0602618","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-02-28T11:25:10Z","cross_cats_sorted":[],"title_canon_sha256":"3f354a447fdb73809ba6b5d09440589bcb1e00142b86c3d27069bf61a09fe3ee","abstract_canon_sha256":"c2c0355a4ed12b0f14449b74abcd78429aca020be78009c2b31f332473e28850"},"schema_version":"1.0"},"canonical_sha256":"3b01bb2a338568adde867b3697c9c4cf69ea563f42eafaccd6efca3b396b9f91","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:58:03.447446Z","signature_b64":"4hUYi9d8BLBSArHuzUCRFYw7KtyDXz6QRZfDDaiVBjNgGUFVOL/904sKRIP+q43MmAIA0OgVgLOI6lmIhAVyCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b01bb2a338568adde867b3697c9c4cf69ea563f42eafaccd6efca3b396b9f91","last_reissued_at":"2026-07-04T16:58:03.447100Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:58:03.447100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0602618","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":"2026-07-04T16:58:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XZsDLDfPEdKG1uulaS4pEGKe0E5b3TzQKFGLeazaFid1ISjgmrBnqfc13lXQFXVr75EOkqg9zjxMux92JiL8Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T06:44:20.284712Z"},"content_sha256":"c7ee45def0585f0e241431c8f0c84aa7e0446b5a99ae2372fd2450718ddf435b","schema_version":"1.0","event_id":"sha256:c7ee45def0585f0e241431c8f0c84aa7e0446b5a99ae2372fd2450718ddf435b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:HMA3WKRTQVUK3XUGPM3JPSOEZ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accretion in the Rho-Oph pre-main sequence stars","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Natta, L. Testi, S. Randich (Arcetri)","submitted_at":"2006-02-28T11:25:10Z","abstract_excerpt":"The aim of this paper is to provide a measurement of the mass accretion rate in a large, complete sample of objects in the core of the star forming region Rho-Oph. The sample includes most of the objects (104 out of 111) with evidence of a circumstellar disk from mid-infrared photometry; it covers a stellar mass range from about 0.03 to 3 Msun and it is complete to a limiting mass of ~0.05 Msun. We used J and K-band spectra to derive the mass accretion rate of each object from the intensity of the hydrogen recombination lines, Pab or Brg. For comparison, we also obtained similar spectra of 35 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0602618","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0602618/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":"2026-07-04T16:58:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U+sHngoeNIK+d5e2Cez/n0QEjTG9qSus/eZDt7/V9LlOlur1BzuFrCRQWo2ScyRk3tAMEACSADrasFP6JTVhBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T06:44:20.285191Z"},"content_sha256":"71d6e1568090bd08ff84f43cffe4822946ab9bf73821eab91b83e967a70bdc3c","schema_version":"1.0","event_id":"sha256:71d6e1568090bd08ff84f43cffe4822946ab9bf73821eab91b83e967a70bdc3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HMA3WKRTQVUK3XUGPM3JPSOEZ5/bundle.json","state_url":"https://pith.science/pith/HMA3WKRTQVUK3XUGPM3JPSOEZ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HMA3WKRTQVUK3XUGPM3JPSOEZ5/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":"2026-08-04T06:44:20Z","links":{"resolver":"https://pith.science/pith/HMA3WKRTQVUK3XUGPM3JPSOEZ5","bundle":"https://pith.science/pith/HMA3WKRTQVUK3XUGPM3JPSOEZ5/bundle.json","state":"https://pith.science/pith/HMA3WKRTQVUK3XUGPM3JPSOEZ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HMA3WKRTQVUK3XUGPM3JPSOEZ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:HMA3WKRTQVUK3XUGPM3JPSOEZ5","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":"c2c0355a4ed12b0f14449b74abcd78429aca020be78009c2b31f332473e28850","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-02-28T11:25:10Z","title_canon_sha256":"3f354a447fdb73809ba6b5d09440589bcb1e00142b86c3d27069bf61a09fe3ee"},"schema_version":"1.0","source":{"id":"astro-ph/0602618","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0602618","created_at":"2026-07-04T16:58:03Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0602618v1","created_at":"2026-07-04T16:58:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0602618","created_at":"2026-07-04T16:58:03Z"},{"alias_kind":"pith_short_12","alias_value":"HMA3WKRTQVUK","created_at":"2026-07-04T16:58:03Z"},{"alias_kind":"pith_short_16","alias_value":"HMA3WKRTQVUK3XUG","created_at":"2026-07-04T16:58:03Z"},{"alias_kind":"pith_short_8","alias_value":"HMA3WKRT","created_at":"2026-07-04T16:58:03Z"}],"graph_snapshots":[{"event_id":"sha256:71d6e1568090bd08ff84f43cffe4822946ab9bf73821eab91b83e967a70bdc3c","target":"graph","created_at":"2026-07-04T16:58:03Z","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/astro-ph/0602618/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The aim of this paper is to provide a measurement of the mass accretion rate in a large, complete sample of objects in the core of the star forming region Rho-Oph. The sample includes most of the objects (104 out of 111) with evidence of a circumstellar disk from mid-infrared photometry; it covers a stellar mass range from about 0.03 to 3 Msun and it is complete to a limiting mass of ~0.05 Msun. We used J and K-band spectra to derive the mass accretion rate of each object from the intensity of the hydrogen recombination lines, Pab or Brg. For comparison, we also obtained similar spectra of 35 ","authors_text":"A. Natta, L. Testi, S. Randich (Arcetri)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-02-28T11:25:10Z","title":"Accretion in the Rho-Oph pre-main sequence stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0602618","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:c7ee45def0585f0e241431c8f0c84aa7e0446b5a99ae2372fd2450718ddf435b","target":"record","created_at":"2026-07-04T16:58:03Z","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":"c2c0355a4ed12b0f14449b74abcd78429aca020be78009c2b31f332473e28850","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-02-28T11:25:10Z","title_canon_sha256":"3f354a447fdb73809ba6b5d09440589bcb1e00142b86c3d27069bf61a09fe3ee"},"schema_version":"1.0","source":{"id":"astro-ph/0602618","kind":"arxiv","version":1}},"canonical_sha256":"3b01bb2a338568adde867b3697c9c4cf69ea563f42eafaccd6efca3b396b9f91","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b01bb2a338568adde867b3697c9c4cf69ea563f42eafaccd6efca3b396b9f91","first_computed_at":"2026-07-04T16:58:03.447100Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:58:03.447100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4hUYi9d8BLBSArHuzUCRFYw7KtyDXz6QRZfDDaiVBjNgGUFVOL/904sKRIP+q43MmAIA0OgVgLOI6lmIhAVyCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:58:03.447446Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0602618","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c7ee45def0585f0e241431c8f0c84aa7e0446b5a99ae2372fd2450718ddf435b","sha256:71d6e1568090bd08ff84f43cffe4822946ab9bf73821eab91b83e967a70bdc3c"],"state_sha256":"65ed3252e2b14ddfc2765ec9416348bc9d736dfbd38527cb210bc850aea742c3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R4sjqHaoA/z+EN95wb+WhppdNHiSaQUXjm6mdX7OvVjdmxedgm6tn9XMzF0nVqhxQGvfV/hCFddvzQpXFENcCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T06:44:20.288497Z","bundle_sha256":"3ee46f16f981dd8f1df406cb1d02c83fe6b7728ee0e5c9b729b832f1d6179f62"}}