{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:CPN2VAB633P5FI5B25LXGJL2XN","short_pith_number":"pith:CPN2VAB6","canonical_record":{"source":{"id":"1306.0275","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-06-03T02:32:13Z","cross_cats_sorted":[],"title_canon_sha256":"6ffc8e9c49f78de9db3ed977c8d7fe1f2bb0006970a59e65a95b53a0ffdf9bbb","abstract_canon_sha256":"67ad57c6653e1ae3f1f93eb654164b5fb5c9137472ea5f1f98209d5b7509afa1"},"schema_version":"1.0"},"canonical_sha256":"13dbaa803ededfd2a3a1d75773257abb772c7e467d6a91527140a81927b95102","source":{"kind":"arxiv","id":"1306.0275","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0275","created_at":"2026-05-18T01:49:38Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0275v1","created_at":"2026-05-18T01:49:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0275","created_at":"2026-05-18T01:49:38Z"},{"alias_kind":"pith_short_12","alias_value":"CPN2VAB633P5","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"CPN2VAB633P5FI5B","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"CPN2VAB6","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:CPN2VAB633P5FI5B25LXGJL2XN","target":"record","payload":{"canonical_record":{"source":{"id":"1306.0275","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-06-03T02:32:13Z","cross_cats_sorted":[],"title_canon_sha256":"6ffc8e9c49f78de9db3ed977c8d7fe1f2bb0006970a59e65a95b53a0ffdf9bbb","abstract_canon_sha256":"67ad57c6653e1ae3f1f93eb654164b5fb5c9137472ea5f1f98209d5b7509afa1"},"schema_version":"1.0"},"canonical_sha256":"13dbaa803ededfd2a3a1d75773257abb772c7e467d6a91527140a81927b95102","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:38.721835Z","signature_b64":"WI4XYimR2XCFW0JySvVQkEV48SnnRG8DyPlGgA+oLw3ioy111dsagRccRlVYwwt+FVAXyYz2ichHErIWIBG1CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13dbaa803ededfd2a3a1d75773257abb772c7e467d6a91527140a81927b95102","last_reissued_at":"2026-05-18T01:49:38.721403Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:38.721403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.0275","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":"2026-05-18T01:49:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zLcr552j1I4o92wZcNR5XNIsrqcNqwLaAJykcnYkKG/Gyg1FKeAPQyXhGkcSH0i1L5bZ65LCm5SD7xL9qPUhAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:09:38.070342Z"},"content_sha256":"e3e3da77e751dfc9e5d003ff3fb655e5729b5a3e45b8b9a153c56432c9c0a36d","schema_version":"1.0","event_id":"sha256:e3e3da77e751dfc9e5d003ff3fb655e5729b5a3e45b8b9a153c56432c9c0a36d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:CPN2VAB633P5FI5B25LXGJL2XN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GASPS - a Herschel survey of gas and dust in Protoplanetary Disks: Summary and Initial Statistics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Carmona, A. Krivov, A. Mora, A. Roberge, B. Montesinos, B. Riaz, B. Vandenbusche, C. Eiroa, C. Grady, C. Howard, C. Martin-Zaidi, C. Pinte, D. Ardila, D. Barrado y Navascues, D. Ciardi, D.Fedele, E. Pantin, E. Solano, F. Menard, G. Aresu, G. Duchene, G.J. White, G. Mathews, G. Meeus, G. Sandell, H. Nomura, I. de Gregorio-Molsalvo, I. Kamp, I. Mendigutia, I. Pascucci, I. Tilling, J-C. Augereau, J. Donaldson, J. Lebreton, J.M. Torrelles, J.P. Williams, L. Podio, M. Morales-Calderon, N. Huelamo, N. Phillips, P. Riviere-Marichalar, P. Woitke, R. Liseau, S.Andrews, S. Brittain, S.K. Ramsay, S. Vicente, W. Danchi, W.F. Thi, W.R.F. Dent","submitted_at":"2013-06-03T02:32:13Z","abstract_excerpt":"GASPS is a far-infrared line and continuum survey of protoplanetary and young debris disks using PACS on the Herschel Space Observatory. The survey includes [OI] at 63 microns, as well as 70, 100 and 160um continuum, with the brightest objects also studied in [OI]145um, [CII]157um, H2O and CO. Targets included T Tauri stars and debris disks in 7 nearby young associations, and a sample of isolated Herbig AeBe stars. The aim was to study the global gas and dust content in a wide disk sample, systemically comparing the results with models. In this paper we review the main aims, target selection a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0275","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":"2026-05-18T01:49:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EKtJnYZPtcvwoOs3s7wQUnURZGYdYNtCvhzk5O97O/pqkZ/XoZya+6Fn4E5qcMUEc8BWiHfFEU3vEAhVhZCxDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:09:38.071023Z"},"content_sha256":"3dacef515c06608a3fd7364bd80336712020855ea98e14a3ee435a0938723f56","schema_version":"1.0","event_id":"sha256:3dacef515c06608a3fd7364bd80336712020855ea98e14a3ee435a0938723f56"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CPN2VAB633P5FI5B25LXGJL2XN/bundle.json","state_url":"https://pith.science/pith/CPN2VAB633P5FI5B25LXGJL2XN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CPN2VAB633P5FI5B25LXGJL2XN/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":"2026-05-30T12:09:38Z","links":{"resolver":"https://pith.science/pith/CPN2VAB633P5FI5B25LXGJL2XN","bundle":"https://pith.science/pith/CPN2VAB633P5FI5B25LXGJL2XN/bundle.json","state":"https://pith.science/pith/CPN2VAB633P5FI5B25LXGJL2XN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CPN2VAB633P5FI5B25LXGJL2XN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:CPN2VAB633P5FI5B25LXGJL2XN","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":"67ad57c6653e1ae3f1f93eb654164b5fb5c9137472ea5f1f98209d5b7509afa1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-06-03T02:32:13Z","title_canon_sha256":"6ffc8e9c49f78de9db3ed977c8d7fe1f2bb0006970a59e65a95b53a0ffdf9bbb"},"schema_version":"1.0","source":{"id":"1306.0275","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0275","created_at":"2026-05-18T01:49:38Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0275v1","created_at":"2026-05-18T01:49:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0275","created_at":"2026-05-18T01:49:38Z"},{"alias_kind":"pith_short_12","alias_value":"CPN2VAB633P5","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"CPN2VAB633P5FI5B","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"CPN2VAB6","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:3dacef515c06608a3fd7364bd80336712020855ea98e14a3ee435a0938723f56","target":"graph","created_at":"2026-05-18T01:49:38Z","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":"GASPS is a far-infrared line and continuum survey of protoplanetary and young debris disks using PACS on the Herschel Space Observatory. The survey includes [OI] at 63 microns, as well as 70, 100 and 160um continuum, with the brightest objects also studied in [OI]145um, [CII]157um, H2O and CO. Targets included T Tauri stars and debris disks in 7 nearby young associations, and a sample of isolated Herbig AeBe stars. The aim was to study the global gas and dust content in a wide disk sample, systemically comparing the results with models. In this paper we review the main aims, target selection a","authors_text":"A. Carmona, A. Krivov, A. Mora, A. Roberge, B. Montesinos, B. Riaz, B. Vandenbusche, C. Eiroa, C. Grady, C. Howard, C. Martin-Zaidi, C. Pinte, D. Ardila, D. Barrado y Navascues, D. Ciardi, D.Fedele, E. Pantin, E. Solano, F. Menard, G. Aresu, G. Duchene, G.J. White, G. Mathews, G. Meeus, G. Sandell, H. Nomura, I. de Gregorio-Molsalvo, I. Kamp, I. Mendigutia, I. Pascucci, I. Tilling, J-C. Augereau, J. Donaldson, J. Lebreton, J.M. Torrelles, J.P. Williams, L. Podio, M. Morales-Calderon, N. Huelamo, N. Phillips, P. Riviere-Marichalar, P. Woitke, R. Liseau, S.Andrews, S. Brittain, S.K. Ramsay, S. Vicente, W. Danchi, W.F. Thi, W.R.F. Dent","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-06-03T02:32:13Z","title":"GASPS - a Herschel survey of gas and dust in Protoplanetary Disks: Summary and Initial Statistics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0275","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:e3e3da77e751dfc9e5d003ff3fb655e5729b5a3e45b8b9a153c56432c9c0a36d","target":"record","created_at":"2026-05-18T01:49:38Z","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":"67ad57c6653e1ae3f1f93eb654164b5fb5c9137472ea5f1f98209d5b7509afa1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-06-03T02:32:13Z","title_canon_sha256":"6ffc8e9c49f78de9db3ed977c8d7fe1f2bb0006970a59e65a95b53a0ffdf9bbb"},"schema_version":"1.0","source":{"id":"1306.0275","kind":"arxiv","version":1}},"canonical_sha256":"13dbaa803ededfd2a3a1d75773257abb772c7e467d6a91527140a81927b95102","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13dbaa803ededfd2a3a1d75773257abb772c7e467d6a91527140a81927b95102","first_computed_at":"2026-05-18T01:49:38.721403Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:38.721403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WI4XYimR2XCFW0JySvVQkEV48SnnRG8DyPlGgA+oLw3ioy111dsagRccRlVYwwt+FVAXyYz2ichHErIWIBG1CA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:38.721835Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.0275","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3e3da77e751dfc9e5d003ff3fb655e5729b5a3e45b8b9a153c56432c9c0a36d","sha256:3dacef515c06608a3fd7364bd80336712020855ea98e14a3ee435a0938723f56"],"state_sha256":"5923f4067594034660a676efb9dac1b47b2bc5569b18a8b0fc64c0451334be7c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lNXWciCcMS3eYnJafrjLclbvfuzzNhsblfGSxhKyMtQv4vzsS22JfPloeWoTS2KIojTxX5ucJ5lgCnjvUVvUAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:09:38.074788Z","bundle_sha256":"e72baced40cc8dd6747e407bcdd2829f43602e32ad7d0c3510178d335002a2fe"}}