{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:L2U75XNETRXKWIARUUD2YGBE7G","short_pith_number":"pith:L2U75XNE","canonical_record":{"source":{"id":"1309.7905","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-09-30T16:15:07Z","cross_cats_sorted":[],"title_canon_sha256":"275fbf90f13ae5b13bdbf2006d8ad030071e54a593b5f8e2f56589fbad679e08","abstract_canon_sha256":"eab4da038b3abb1b311ba0980c3a1eeb71eb76e211759b00a2d4e27ee536f763"},"schema_version":"1.0"},"canonical_sha256":"5ea9fedda49c6eab2011a507ac1824f98cbd52d705731bc1e0c8cd1d020f8864","source":{"kind":"arxiv","id":"1309.7905","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.7905","created_at":"2026-05-18T03:11:47Z"},{"alias_kind":"arxiv_version","alias_value":"1309.7905v1","created_at":"2026-05-18T03:11:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7905","created_at":"2026-05-18T03:11:47Z"},{"alias_kind":"pith_short_12","alias_value":"L2U75XNETRXK","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"L2U75XNETRXKWIAR","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"L2U75XNE","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:L2U75XNETRXKWIARUUD2YGBE7G","target":"record","payload":{"canonical_record":{"source":{"id":"1309.7905","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-09-30T16:15:07Z","cross_cats_sorted":[],"title_canon_sha256":"275fbf90f13ae5b13bdbf2006d8ad030071e54a593b5f8e2f56589fbad679e08","abstract_canon_sha256":"eab4da038b3abb1b311ba0980c3a1eeb71eb76e211759b00a2d4e27ee536f763"},"schema_version":"1.0"},"canonical_sha256":"5ea9fedda49c6eab2011a507ac1824f98cbd52d705731bc1e0c8cd1d020f8864","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:11:47.859564Z","signature_b64":"AVpxgs9wBypIesG7YCuY8m470tTVmfpBZiJvDmes8hw7hn3wHD3J2cqQJOzsSMTl3NvH22warCczNYdlvrVkDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ea9fedda49c6eab2011a507ac1824f98cbd52d705731bc1e0c8cd1d020f8864","last_reissued_at":"2026-05-18T03:11:47.858706Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:11:47.858706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.7905","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":"2026-05-18T03:11:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i1nQABMTK618piLrEwHV9QxfQUb6ss+1B5A9V7mgkTHYjTEtNMwnrsWxngci0T+0hB2k0K94uQzCzNiWa29rCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T23:25:02.150960Z"},"content_sha256":"bcc8c5f8e06bcc00604cb4afd5785e186d842928682addf4f1bf9221dcf3e111","schema_version":"1.0","event_id":"sha256:bcc8c5f8e06bcc00604cb4afd5785e186d842928682addf4f1bf9221dcf3e111"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:L2U75XNETRXKWIARUUD2YGBE7G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modelling the relative velocities of isolated pairs of galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Ealet, A. Tilquin, E. Jennings, M.-C. Cousinou, S. Escoffier, V. Gonzalez-Perez (CPPM)","submitted_at":"2013-09-30T16:15:07Z","abstract_excerpt":"We study the comoving relative velocities, v12, of model isolated galaxy pairs at z=0.5. For this purpose, we use the predictions from the GALFORM semi-analytical model of galaxy formation and evolution based on a Lambda cold dark matter cosmology consistent with the results from WMAP7. In real space, we find that isolated pairs of galaxies are predicted to form an angle t with the line-of-sight that is uniformily distributed as expected if the Universe is homogeneous and isotropic. We also find that isolated pairs of galaxies separated by a comoving distance between 1 and 3 Mpc/h are predicte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7905","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":"2026-05-18T03:11:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MNn73ebvtldN6smDbPBYLN91sH0u0NkUf46A2/hNTkY1eW7xtoY79dmVTPHj1hD+P62Ds1+HcepRhJT8mb1qDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T23:25:02.151607Z"},"content_sha256":"c5b3ac62dda5ad417d9c91a3bdd3d29dd4e0ebb80ee820871148b25100e9081d","schema_version":"1.0","event_id":"sha256:c5b3ac62dda5ad417d9c91a3bdd3d29dd4e0ebb80ee820871148b25100e9081d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L2U75XNETRXKWIARUUD2YGBE7G/bundle.json","state_url":"https://pith.science/pith/L2U75XNETRXKWIARUUD2YGBE7G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L2U75XNETRXKWIARUUD2YGBE7G/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":"2026-05-22T23:25:02Z","links":{"resolver":"https://pith.science/pith/L2U75XNETRXKWIARUUD2YGBE7G","bundle":"https://pith.science/pith/L2U75XNETRXKWIARUUD2YGBE7G/bundle.json","state":"https://pith.science/pith/L2U75XNETRXKWIARUUD2YGBE7G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L2U75XNETRXKWIARUUD2YGBE7G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:L2U75XNETRXKWIARUUD2YGBE7G","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":"eab4da038b3abb1b311ba0980c3a1eeb71eb76e211759b00a2d4e27ee536f763","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-09-30T16:15:07Z","title_canon_sha256":"275fbf90f13ae5b13bdbf2006d8ad030071e54a593b5f8e2f56589fbad679e08"},"schema_version":"1.0","source":{"id":"1309.7905","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.7905","created_at":"2026-05-18T03:11:47Z"},{"alias_kind":"arxiv_version","alias_value":"1309.7905v1","created_at":"2026-05-18T03:11:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7905","created_at":"2026-05-18T03:11:47Z"},{"alias_kind":"pith_short_12","alias_value":"L2U75XNETRXK","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"L2U75XNETRXKWIAR","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"L2U75XNE","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:c5b3ac62dda5ad417d9c91a3bdd3d29dd4e0ebb80ee820871148b25100e9081d","target":"graph","created_at":"2026-05-18T03:11:47Z","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 study the comoving relative velocities, v12, of model isolated galaxy pairs at z=0.5. For this purpose, we use the predictions from the GALFORM semi-analytical model of galaxy formation and evolution based on a Lambda cold dark matter cosmology consistent with the results from WMAP7. In real space, we find that isolated pairs of galaxies are predicted to form an angle t with the line-of-sight that is uniformily distributed as expected if the Universe is homogeneous and isotropic. We also find that isolated pairs of galaxies separated by a comoving distance between 1 and 3 Mpc/h are predicte","authors_text":"A. Ealet, A. Tilquin, E. Jennings, M.-C. Cousinou, S. Escoffier, V. Gonzalez-Perez (CPPM)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-09-30T16:15:07Z","title":"Modelling the relative velocities of isolated pairs of galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7905","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:bcc8c5f8e06bcc00604cb4afd5785e186d842928682addf4f1bf9221dcf3e111","target":"record","created_at":"2026-05-18T03:11:47Z","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":"eab4da038b3abb1b311ba0980c3a1eeb71eb76e211759b00a2d4e27ee536f763","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-09-30T16:15:07Z","title_canon_sha256":"275fbf90f13ae5b13bdbf2006d8ad030071e54a593b5f8e2f56589fbad679e08"},"schema_version":"1.0","source":{"id":"1309.7905","kind":"arxiv","version":1}},"canonical_sha256":"5ea9fedda49c6eab2011a507ac1824f98cbd52d705731bc1e0c8cd1d020f8864","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ea9fedda49c6eab2011a507ac1824f98cbd52d705731bc1e0c8cd1d020f8864","first_computed_at":"2026-05-18T03:11:47.858706Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:11:47.858706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AVpxgs9wBypIesG7YCuY8m470tTVmfpBZiJvDmes8hw7hn3wHD3J2cqQJOzsSMTl3NvH22warCczNYdlvrVkDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:11:47.859564Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.7905","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bcc8c5f8e06bcc00604cb4afd5785e186d842928682addf4f1bf9221dcf3e111","sha256:c5b3ac62dda5ad417d9c91a3bdd3d29dd4e0ebb80ee820871148b25100e9081d"],"state_sha256":"3e1ded39f7c90e3aec7c4ba43b4e69e806753cd37b99507f73f0493f61f05cb7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CZ6t9+U+iBW90IapXUN6vr6pyWIc8Do8TvelDzg6v7QVEyYxG8/h4nipvG8Xn7ahiVBq5zJO8HXW1dX3SStbBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T23:25:02.154215Z","bundle_sha256":"604dfc840accba9451eeccfed98c0273c25e9396679d12dc7e850a835cc8244f"}}