{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:Q3SZQVY265NMSJGTJJX7KZXKVH","short_pith_number":"pith:Q3SZQVY2","canonical_record":{"source":{"id":"1212.2650","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-11T21:22:11Z","cross_cats_sorted":[],"title_canon_sha256":"9cc3f1802e20f458cfab70e08033e8ac39a5b3619e7c9060b9b960c430e8db63","abstract_canon_sha256":"e1eb25fd88f29634a3767877c5bb270594764f1e5a307c40ad77c02a15ea9aec"},"schema_version":"1.0"},"canonical_sha256":"86e598571af75ac924d34a6ff566eaa9eb2f4b7439466ed3960bc39af0dc7775","source":{"kind":"arxiv","id":"1212.2650","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.2650","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"arxiv_version","alias_value":"1212.2650v1","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.2650","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"pith_short_12","alias_value":"Q3SZQVY265NM","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q3SZQVY265NMSJGT","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q3SZQVY2","created_at":"2026-05-18T12:27:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:Q3SZQVY265NMSJGTJJX7KZXKVH","target":"record","payload":{"canonical_record":{"source":{"id":"1212.2650","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-11T21:22:11Z","cross_cats_sorted":[],"title_canon_sha256":"9cc3f1802e20f458cfab70e08033e8ac39a5b3619e7c9060b9b960c430e8db63","abstract_canon_sha256":"e1eb25fd88f29634a3767877c5bb270594764f1e5a307c40ad77c02a15ea9aec"},"schema_version":"1.0"},"canonical_sha256":"86e598571af75ac924d34a6ff566eaa9eb2f4b7439466ed3960bc39af0dc7775","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:39.799412Z","signature_b64":"uEfzo8qMgiWObopLBDeMCJn6BWpsRsfXVvHStY8nMBsaYkngkMQfneIaas2DgKPk0MtIKBk9y9S/0IeI18T/Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86e598571af75ac924d34a6ff566eaa9eb2f4b7439466ed3960bc39af0dc7775","last_reissued_at":"2026-05-18T01:52:39.798738Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:39.798738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.2650","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":"2026-05-18T01:52:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JDk3JKs6ZiVIleMLSPZ/6rY+WiEQEadDMLj8uGoFTY69R30npc5MaB4IgdW/qaBI4WO8itGtnqLXyCbvccxvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:33:03.256470Z"},"content_sha256":"a7aa297622d1b276a140c77dace76888d4ecfcbb8a8023675b1e239404094321","schema_version":"1.0","event_id":"sha256:a7aa297622d1b276a140c77dace76888d4ecfcbb8a8023675b1e239404094321"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:Q3SZQVY265NMSJGTJJX7KZXKVH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inferring the mass of sub-millimetre galaxies by exploiting their gravitational magnification of background galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Conley, A. Cooray, A. Franceschini, A. J. Smith, D. Clements, D. Farrah, D. Scott, G. Marsden, H. Hildebrandt, I. Perez-Fournon, I. Valtchanov, J. Bock, J. D. Vieira, J. Glenn, J. S. Dunlop, L. van Waerbeke, L. Wang, M. Bethermin, M. Halpern, M. J. Page, M. Rowan-Robinson, M. Viero, R. F. J. van der Burg, R. J. Ivison, S. Eales, S. Heinis, S. J. Oliver, T. Erben","submitted_at":"2012-12-11T21:22:11Z","abstract_excerpt":"Dust emission at sub-millimetre wavelengths allows us to trace the early phases of star formation in the Universe. In order to understand the physical processes involved in this mode of star formation, it is essential to gain knowledge about the dark matter structures - most importantly their masses - that sub-millimetre galaxies live in. Here we use the magnification effect of gravitational lensing to determine the average mass and dust content of sub-millimetre galaxies with 250mu flux densities of S_250>15mJy selected using data from the Herschel Multi-tiered Extragalactic Survey. The posit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.2650","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":"2026-05-18T01:52:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qI/JTtlsMc10T54tarPAypATkvWXwnTZMEftqBFBQ9mZBD8MoyANPGYlRMgWKRXx1eBOB1VPUcrdWsFUnSk1BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:33:03.257205Z"},"content_sha256":"7840a17554896bb8d00e8eb8873832e32751cac91d3ec026338c8775db6484ef","schema_version":"1.0","event_id":"sha256:7840a17554896bb8d00e8eb8873832e32751cac91d3ec026338c8775db6484ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q3SZQVY265NMSJGTJJX7KZXKVH/bundle.json","state_url":"https://pith.science/pith/Q3SZQVY265NMSJGTJJX7KZXKVH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q3SZQVY265NMSJGTJJX7KZXKVH/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":"2026-05-30T19:33:03Z","links":{"resolver":"https://pith.science/pith/Q3SZQVY265NMSJGTJJX7KZXKVH","bundle":"https://pith.science/pith/Q3SZQVY265NMSJGTJJX7KZXKVH/bundle.json","state":"https://pith.science/pith/Q3SZQVY265NMSJGTJJX7KZXKVH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q3SZQVY265NMSJGTJJX7KZXKVH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:Q3SZQVY265NMSJGTJJX7KZXKVH","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":"e1eb25fd88f29634a3767877c5bb270594764f1e5a307c40ad77c02a15ea9aec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-11T21:22:11Z","title_canon_sha256":"9cc3f1802e20f458cfab70e08033e8ac39a5b3619e7c9060b9b960c430e8db63"},"schema_version":"1.0","source":{"id":"1212.2650","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.2650","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"arxiv_version","alias_value":"1212.2650v1","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.2650","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"pith_short_12","alias_value":"Q3SZQVY265NM","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q3SZQVY265NMSJGT","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q3SZQVY2","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:7840a17554896bb8d00e8eb8873832e32751cac91d3ec026338c8775db6484ef","target":"graph","created_at":"2026-05-18T01:52:39Z","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":"Dust emission at sub-millimetre wavelengths allows us to trace the early phases of star formation in the Universe. In order to understand the physical processes involved in this mode of star formation, it is essential to gain knowledge about the dark matter structures - most importantly their masses - that sub-millimetre galaxies live in. Here we use the magnification effect of gravitational lensing to determine the average mass and dust content of sub-millimetre galaxies with 250mu flux densities of S_250>15mJy selected using data from the Herschel Multi-tiered Extragalactic Survey. The posit","authors_text":"A. Conley, A. Cooray, A. Franceschini, A. J. Smith, D. Clements, D. Farrah, D. Scott, G. Marsden, H. Hildebrandt, I. Perez-Fournon, I. Valtchanov, J. Bock, J. D. Vieira, J. Glenn, J. S. Dunlop, L. van Waerbeke, L. Wang, M. Bethermin, M. Halpern, M. J. Page, M. Rowan-Robinson, M. Viero, R. F. J. van der Burg, R. J. Ivison, S. Eales, S. Heinis, S. J. Oliver, T. Erben","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-11T21:22:11Z","title":"Inferring the mass of sub-millimetre galaxies by exploiting their gravitational magnification of background galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.2650","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:a7aa297622d1b276a140c77dace76888d4ecfcbb8a8023675b1e239404094321","target":"record","created_at":"2026-05-18T01:52:39Z","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":"e1eb25fd88f29634a3767877c5bb270594764f1e5a307c40ad77c02a15ea9aec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-11T21:22:11Z","title_canon_sha256":"9cc3f1802e20f458cfab70e08033e8ac39a5b3619e7c9060b9b960c430e8db63"},"schema_version":"1.0","source":{"id":"1212.2650","kind":"arxiv","version":1}},"canonical_sha256":"86e598571af75ac924d34a6ff566eaa9eb2f4b7439466ed3960bc39af0dc7775","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86e598571af75ac924d34a6ff566eaa9eb2f4b7439466ed3960bc39af0dc7775","first_computed_at":"2026-05-18T01:52:39.798738Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:39.798738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uEfzo8qMgiWObopLBDeMCJn6BWpsRsfXVvHStY8nMBsaYkngkMQfneIaas2DgKPk0MtIKBk9y9S/0IeI18T/Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:39.799412Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.2650","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a7aa297622d1b276a140c77dace76888d4ecfcbb8a8023675b1e239404094321","sha256:7840a17554896bb8d00e8eb8873832e32751cac91d3ec026338c8775db6484ef"],"state_sha256":"1ee1eef825c05eb5ecae03804047932cb989c7d561a1d6538853eadd59d86bc9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5zffLHsT0JpTTy+wseMRLI5q3GBSPckRymweh8l/9z6kaBhKtLsk2zS1Nz/r/DTm1TT8fOyN3AjWrPiKbk84Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T19:33:03.261634Z","bundle_sha256":"c3b0d367fb970cc0901d6ffdc8df0425861ce39d2c0f7736db0125f6b153731c"}}