{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:PMHP7UHQKNWS3P2DTEWMMHW4MW","short_pith_number":"pith:PMHP7UHQ","canonical_record":{"source":{"id":"2412.01697","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-12-02T16:40:29Z","cross_cats_sorted":[],"title_canon_sha256":"85b3017af1bfe019c98f3a318bf9d4064f1c7003ff6d9eeec6c1e6894dc10cb4","abstract_canon_sha256":"2adf29ebb5057024b4118b445b4919928248ca4a055e5b6e8a70cc31bd649ffc"},"schema_version":"1.0"},"canonical_sha256":"7b0effd0f0536d2dbf43992cc61edc6596767e974fb4c17eea024d7052c69972","source":{"kind":"arxiv","id":"2412.01697","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.01697","created_at":"2026-07-05T11:56:01Z"},{"alias_kind":"arxiv_version","alias_value":"2412.01697v1","created_at":"2026-07-05T11:56:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.01697","created_at":"2026-07-05T11:56:01Z"},{"alias_kind":"pith_short_12","alias_value":"PMHP7UHQKNWS","created_at":"2026-07-05T11:56:01Z"},{"alias_kind":"pith_short_16","alias_value":"PMHP7UHQKNWS3P2D","created_at":"2026-07-05T11:56:01Z"},{"alias_kind":"pith_short_8","alias_value":"PMHP7UHQ","created_at":"2026-07-05T11:56:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:PMHP7UHQKNWS3P2DTEWMMHW4MW","target":"record","payload":{"canonical_record":{"source":{"id":"2412.01697","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-12-02T16:40:29Z","cross_cats_sorted":[],"title_canon_sha256":"85b3017af1bfe019c98f3a318bf9d4064f1c7003ff6d9eeec6c1e6894dc10cb4","abstract_canon_sha256":"2adf29ebb5057024b4118b445b4919928248ca4a055e5b6e8a70cc31bd649ffc"},"schema_version":"1.0"},"canonical_sha256":"7b0effd0f0536d2dbf43992cc61edc6596767e974fb4c17eea024d7052c69972","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:56:01.252435Z","signature_b64":"sgt95UwgeiokcqJbHUQt9Aan1uVmVGOP2UkInsYFEG1/l4ZS9EDFxn53tDRk+edxzW7MoJBizXd9krS8oa35Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b0effd0f0536d2dbf43992cc61edc6596767e974fb4c17eea024d7052c69972","last_reissued_at":"2026-07-05T11:56:01.251928Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:56:01.251928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.01697","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":"2026-07-05T11:56:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NH0XXu6FstQlpg9HPOM8tkw3vm1UbEJG8F7s8Evx4hRXyR8/8XD0u8OV59cjv3g8NtaoL20P51Ga570tfCMKAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T13:32:29.242735Z"},"content_sha256":"a2e349ae1fa7bc4cd3e6461a7dfed2f3f32cb0a21c3598179244e05b50f959d2","schema_version":"1.0","event_id":"sha256:a2e349ae1fa7bc4cd3e6461a7dfed2f3f32cb0a21c3598179244e05b50f959d2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:PMHP7UHQKNWS3P2DTEWMMHW4MW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galaxy Pairs in Cosmic Voids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Diego Garcia Lambas, Maria Laura Ceccarelli, Sol Alonso","submitted_at":"2024-12-02T16:40:29Z","abstract_excerpt":"We present a statistical analysis of different astrophysical properties of a sample of galaxy pairs in cosmic voids. The sample consists of 72 galaxy pairs with projected separations and relative radial velocities rp<100 h$^{-1}$kpc, $\\Delta V <$ 500 kms$^{-1}$ in the redshift range z<0.1. The different results for this pair sample are compared to those derived for matched samples configured in absolute magnitude, stellar mass and concentration residing in void wall and global averaged environments. We find that pair galaxies in voids tend to have bluer optical colors than the corresponding ga"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.01697","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/2412.01697/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":"2026-07-05T11:56:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gKdHr1095tR6AVIN+nb9iYBPAt0RnXCdomH8/Wzk+mWmbMqhpv0S0Q5bBmq6hmpHEYi+DFYkN9Mvy7UcuEctBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T13:32:29.243290Z"},"content_sha256":"f1d10ef9c85dc11ca4f695fd7a3da3d78829ec8b21c4700ddbf50e2fffef3263","schema_version":"1.0","event_id":"sha256:f1d10ef9c85dc11ca4f695fd7a3da3d78829ec8b21c4700ddbf50e2fffef3263"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PMHP7UHQKNWS3P2DTEWMMHW4MW/bundle.json","state_url":"https://pith.science/pith/PMHP7UHQKNWS3P2DTEWMMHW4MW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PMHP7UHQKNWS3P2DTEWMMHW4MW/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":"2026-08-11T13:32:29Z","links":{"resolver":"https://pith.science/pith/PMHP7UHQKNWS3P2DTEWMMHW4MW","bundle":"https://pith.science/pith/PMHP7UHQKNWS3P2DTEWMMHW4MW/bundle.json","state":"https://pith.science/pith/PMHP7UHQKNWS3P2DTEWMMHW4MW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PMHP7UHQKNWS3P2DTEWMMHW4MW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:PMHP7UHQKNWS3P2DTEWMMHW4MW","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":"2adf29ebb5057024b4118b445b4919928248ca4a055e5b6e8a70cc31bd649ffc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-12-02T16:40:29Z","title_canon_sha256":"85b3017af1bfe019c98f3a318bf9d4064f1c7003ff6d9eeec6c1e6894dc10cb4"},"schema_version":"1.0","source":{"id":"2412.01697","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.01697","created_at":"2026-07-05T11:56:01Z"},{"alias_kind":"arxiv_version","alias_value":"2412.01697v1","created_at":"2026-07-05T11:56:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.01697","created_at":"2026-07-05T11:56:01Z"},{"alias_kind":"pith_short_12","alias_value":"PMHP7UHQKNWS","created_at":"2026-07-05T11:56:01Z"},{"alias_kind":"pith_short_16","alias_value":"PMHP7UHQKNWS3P2D","created_at":"2026-07-05T11:56:01Z"},{"alias_kind":"pith_short_8","alias_value":"PMHP7UHQ","created_at":"2026-07-05T11:56:01Z"}],"graph_snapshots":[{"event_id":"sha256:f1d10ef9c85dc11ca4f695fd7a3da3d78829ec8b21c4700ddbf50e2fffef3263","target":"graph","created_at":"2026-07-05T11:56:01Z","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/2412.01697/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a statistical analysis of different astrophysical properties of a sample of galaxy pairs in cosmic voids. The sample consists of 72 galaxy pairs with projected separations and relative radial velocities rp<100 h$^{-1}$kpc, $\\Delta V <$ 500 kms$^{-1}$ in the redshift range z<0.1. The different results for this pair sample are compared to those derived for matched samples configured in absolute magnitude, stellar mass and concentration residing in void wall and global averaged environments. We find that pair galaxies in voids tend to have bluer optical colors than the corresponding ga","authors_text":"Diego Garcia Lambas, Maria Laura Ceccarelli, Sol Alonso","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-12-02T16:40:29Z","title":"Galaxy Pairs in Cosmic Voids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.01697","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:a2e349ae1fa7bc4cd3e6461a7dfed2f3f32cb0a21c3598179244e05b50f959d2","target":"record","created_at":"2026-07-05T11:56:01Z","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":"2adf29ebb5057024b4118b445b4919928248ca4a055e5b6e8a70cc31bd649ffc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-12-02T16:40:29Z","title_canon_sha256":"85b3017af1bfe019c98f3a318bf9d4064f1c7003ff6d9eeec6c1e6894dc10cb4"},"schema_version":"1.0","source":{"id":"2412.01697","kind":"arxiv","version":1}},"canonical_sha256":"7b0effd0f0536d2dbf43992cc61edc6596767e974fb4c17eea024d7052c69972","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b0effd0f0536d2dbf43992cc61edc6596767e974fb4c17eea024d7052c69972","first_computed_at":"2026-07-05T11:56:01.251928Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:56:01.251928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sgt95UwgeiokcqJbHUQt9Aan1uVmVGOP2UkInsYFEG1/l4ZS9EDFxn53tDRk+edxzW7MoJBizXd9krS8oa35Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:56:01.252435Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.01697","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2e349ae1fa7bc4cd3e6461a7dfed2f3f32cb0a21c3598179244e05b50f959d2","sha256:f1d10ef9c85dc11ca4f695fd7a3da3d78829ec8b21c4700ddbf50e2fffef3263"],"state_sha256":"9ec5e99f506e60277bb737cc72507b97410eb5f4761a00bf4b10b15361ac6605"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mnk8IQNFaLmaeQQtN3jZYumBi4UZA1gVeQOWP02lhNMRl2xzHXTOF0OzeRdD2teqzfQIPrK2VGaXpIdjTRPICg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T13:32:29.247303Z","bundle_sha256":"8e8d09cd8325dca04782a09ac7b463bc56cb8f309aa1f40166ad22127621e64e"}}