{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:6HRQ6JHC4AQOSBK7ZJ4Y67TNUZ","short_pith_number":"pith:6HRQ6JHC","canonical_record":{"source":{"id":"0910.1097","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-07T16:56:25Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7cceb574a3f20b63d2006f0c99369da31e6d4644afc7098e4076341a0f8697df","abstract_canon_sha256":"c9a75b71fc26a8e84c1151761fedfb13c1992a262db35c2ff20e2c6ed79b7645"},"schema_version":"1.0"},"canonical_sha256":"f1e30f24e2e020e9055fca798f7e6da66b1cf16dc43b370e94c29d9267ae11e7","source":{"kind":"arxiv","id":"0910.1097","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.1097","created_at":"2026-05-18T02:34:19Z"},{"alias_kind":"arxiv_version","alias_value":"0910.1097v2","created_at":"2026-05-18T02:34:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.1097","created_at":"2026-05-18T02:34:19Z"},{"alias_kind":"pith_short_12","alias_value":"6HRQ6JHC4AQO","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"6HRQ6JHC4AQOSBK7","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"6HRQ6JHC","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:6HRQ6JHC4AQOSBK7ZJ4Y67TNUZ","target":"record","payload":{"canonical_record":{"source":{"id":"0910.1097","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-07T16:56:25Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7cceb574a3f20b63d2006f0c99369da31e6d4644afc7098e4076341a0f8697df","abstract_canon_sha256":"c9a75b71fc26a8e84c1151761fedfb13c1992a262db35c2ff20e2c6ed79b7645"},"schema_version":"1.0"},"canonical_sha256":"f1e30f24e2e020e9055fca798f7e6da66b1cf16dc43b370e94c29d9267ae11e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:19.903518Z","signature_b64":"yeGgT/OZei3DIguR3fEQox5pkMJ3vsvhk4/51STIgdU0pOBqWM5C95aEFgVFepRQhPIgP5n/qtaSzDgX532uBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1e30f24e2e020e9055fca798f7e6da66b1cf16dc43b370e94c29d9267ae11e7","last_reissued_at":"2026-05-18T02:34:19.903064Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:19.903064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.1097","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:34:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RkeZkMJ2cOvn6zyJgL19wPcqgIaKVlm1B2OsxGTMWhxlO3LZOL2LmoEUtZhfblt7KG48UOLMUm/3eXYiJY/BAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T00:43:38.175848Z"},"content_sha256":"9a5ec5dec87e17bd8b561cdd099d163ee50920f403be4c8df13653278bd6417a","schema_version":"1.0","event_id":"sha256:9a5ec5dec87e17bd8b561cdd099d163ee50920f403be4c8df13653278bd6417a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:6HRQ6JHC4AQOSBK7ZJ4Y67TNUZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The BLAST Survey of the Vela Molecular Cloud: Physical Properties of the Dense Cores in Vela-D","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Alberto Salama, Calvin B. Netterfield, Carole Tucker, Christopher Semisch, Daniel Angles-Alcazar, Dario Lorenzetti, Davide Elia, David H. Hughes, Donald V. Wiebe, Douglas Scott, Edward L. Chapin, Fabrizio Massi, Francesco Strafella, Gaelen Marsden, Giovanni G. Fazio, Gregory S. Tucker, Guillaume Patanchon, Howard A. Smith, James J. Bock, Jeff Klein, Joshua O. Gundersen, Luca Olmi, Marco P. Viero, Marie Rex, Mark Halpern, Mark J. Devlin, Massimo De Luca, Massimo Marengo, Matthew D. P. Truch, Matthew Griffin, Nicholas Thomas, Peter A. R. Ade, Peter C. Hargrave, Peter G. Martin, Philip Mauskopf, Simon Dicker, Teresa Giannini","submitted_at":"2009-10-07T16:56:25Z","abstract_excerpt":"The Balloon-borne Large-Aperture Submillimeter Telescope (BLAST) carried out a 250, 350 and 500 micron survey of the galactic plane encompassing the Vela Molecular Ridge, with the primary goal of identifying the coldest dense cores possibly associated with the earliest stages of star formation. Here we present the results from observations of the Vela-D region, covering about 4 square degrees, in which we find 141 BLAST cores. We exploit existing data taken with the Spitzer MIPS, IRAC and SEST-SIMBA instruments to constrain their (single-temperature) spectral energy distributions, assuming a d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.1097","kind":"arxiv","version":2},"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":"2026-05-18T02:34:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uLVOvqsm2uDwLcvfYtK6A5jOc0EmTdzrEFvEZTirLd4CLAs4GVL2q66aed2sEvsutLUJinxWEHUUJ9GQ6L0uCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T00:43:38.176485Z"},"content_sha256":"fc625774ccaed9f38149bd8014cae582c6a8f126768565b9ba11eca81ba9dc39","schema_version":"1.0","event_id":"sha256:fc625774ccaed9f38149bd8014cae582c6a8f126768565b9ba11eca81ba9dc39"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6HRQ6JHC4AQOSBK7ZJ4Y67TNUZ/bundle.json","state_url":"https://pith.science/pith/6HRQ6JHC4AQOSBK7ZJ4Y67TNUZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6HRQ6JHC4AQOSBK7ZJ4Y67TNUZ/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":"2026-06-01T00:43:38Z","links":{"resolver":"https://pith.science/pith/6HRQ6JHC4AQOSBK7ZJ4Y67TNUZ","bundle":"https://pith.science/pith/6HRQ6JHC4AQOSBK7ZJ4Y67TNUZ/bundle.json","state":"https://pith.science/pith/6HRQ6JHC4AQOSBK7ZJ4Y67TNUZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6HRQ6JHC4AQOSBK7ZJ4Y67TNUZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:6HRQ6JHC4AQOSBK7ZJ4Y67TNUZ","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":"c9a75b71fc26a8e84c1151761fedfb13c1992a262db35c2ff20e2c6ed79b7645","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-07T16:56:25Z","title_canon_sha256":"7cceb574a3f20b63d2006f0c99369da31e6d4644afc7098e4076341a0f8697df"},"schema_version":"1.0","source":{"id":"0910.1097","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.1097","created_at":"2026-05-18T02:34:19Z"},{"alias_kind":"arxiv_version","alias_value":"0910.1097v2","created_at":"2026-05-18T02:34:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.1097","created_at":"2026-05-18T02:34:19Z"},{"alias_kind":"pith_short_12","alias_value":"6HRQ6JHC4AQO","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"6HRQ6JHC4AQOSBK7","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"6HRQ6JHC","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:fc625774ccaed9f38149bd8014cae582c6a8f126768565b9ba11eca81ba9dc39","target":"graph","created_at":"2026-05-18T02:34:19Z","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 Balloon-borne Large-Aperture Submillimeter Telescope (BLAST) carried out a 250, 350 and 500 micron survey of the galactic plane encompassing the Vela Molecular Ridge, with the primary goal of identifying the coldest dense cores possibly associated with the earliest stages of star formation. Here we present the results from observations of the Vela-D region, covering about 4 square degrees, in which we find 141 BLAST cores. We exploit existing data taken with the Spitzer MIPS, IRAC and SEST-SIMBA instruments to constrain their (single-temperature) spectral energy distributions, assuming a d","authors_text":"Alberto Salama, Calvin B. Netterfield, Carole Tucker, Christopher Semisch, Daniel Angles-Alcazar, Dario Lorenzetti, Davide Elia, David H. Hughes, Donald V. Wiebe, Douglas Scott, Edward L. Chapin, Fabrizio Massi, Francesco Strafella, Gaelen Marsden, Giovanni G. Fazio, Gregory S. Tucker, Guillaume Patanchon, Howard A. Smith, James J. Bock, Jeff Klein, Joshua O. Gundersen, Luca Olmi, Marco P. Viero, Marie Rex, Mark Halpern, Mark J. Devlin, Massimo De Luca, Massimo Marengo, Matthew D. P. Truch, Matthew Griffin, Nicholas Thomas, Peter A. R. Ade, Peter C. Hargrave, Peter G. Martin, Philip Mauskopf, Simon Dicker, Teresa Giannini","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-07T16:56:25Z","title":"The BLAST Survey of the Vela Molecular Cloud: Physical Properties of the Dense Cores in Vela-D"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.1097","kind":"arxiv","version":2},"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":"sha256:9a5ec5dec87e17bd8b561cdd099d163ee50920f403be4c8df13653278bd6417a","target":"record","created_at":"2026-05-18T02:34:19Z","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":"c9a75b71fc26a8e84c1151761fedfb13c1992a262db35c2ff20e2c6ed79b7645","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-07T16:56:25Z","title_canon_sha256":"7cceb574a3f20b63d2006f0c99369da31e6d4644afc7098e4076341a0f8697df"},"schema_version":"1.0","source":{"id":"0910.1097","kind":"arxiv","version":2}},"canonical_sha256":"f1e30f24e2e020e9055fca798f7e6da66b1cf16dc43b370e94c29d9267ae11e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1e30f24e2e020e9055fca798f7e6da66b1cf16dc43b370e94c29d9267ae11e7","first_computed_at":"2026-05-18T02:34:19.903064Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:19.903064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yeGgT/OZei3DIguR3fEQox5pkMJ3vsvhk4/51STIgdU0pOBqWM5C95aEFgVFepRQhPIgP5n/qtaSzDgX532uBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:19.903518Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.1097","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a5ec5dec87e17bd8b561cdd099d163ee50920f403be4c8df13653278bd6417a","sha256:fc625774ccaed9f38149bd8014cae582c6a8f126768565b9ba11eca81ba9dc39"],"state_sha256":"4e6f61fe622a719419e2a8b29a19db5c5e4650e107ee1f2c567d3bd414e8a5c3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EtR415IPmocJrYiRFHdum+Dimz4U1bCK+GYILV+aqidIMo2REn6SZHdy9O/b5uDKf1duxSKqA1iBMMDF2tS+BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T00:43:38.179225Z","bundle_sha256":"d0b66c30406ee6d68d5ddbc05a26b52579d0e724c6e4507787cb09315841b15c"}}