{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:UH2AYZMJTQ5VJY6BQKP346QJ2S","short_pith_number":"pith:UH2AYZMJ","canonical_record":{"source":{"id":"1110.1344","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-06T18:19:48Z","cross_cats_sorted":[],"title_canon_sha256":"365a98db9ee7be1efdc165a402192cb6c4d167b8545e637ca0dd4694337d8902","abstract_canon_sha256":"585fb66fddcbc11dbe277f91922f4e36e1bd294c284042f51305b9abc520812e"},"schema_version":"1.0"},"canonical_sha256":"a1f40c65899c3b54e3c1829fbe7a09d4a6fa04485e6adf1a63bdc87b7fee9348","source":{"kind":"arxiv","id":"1110.1344","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1344","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1344v1","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1344","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"pith_short_12","alias_value":"UH2AYZMJTQ5V","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UH2AYZMJTQ5VJY6B","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UH2AYZMJ","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:UH2AYZMJTQ5VJY6BQKP346QJ2S","target":"record","payload":{"canonical_record":{"source":{"id":"1110.1344","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-06T18:19:48Z","cross_cats_sorted":[],"title_canon_sha256":"365a98db9ee7be1efdc165a402192cb6c4d167b8545e637ca0dd4694337d8902","abstract_canon_sha256":"585fb66fddcbc11dbe277f91922f4e36e1bd294c284042f51305b9abc520812e"},"schema_version":"1.0"},"canonical_sha256":"a1f40c65899c3b54e3c1829fbe7a09d4a6fa04485e6adf1a63bdc87b7fee9348","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:16.873994Z","signature_b64":"K9q/wG3MHkCSK8pk3aVdbF3zvokA9mxxVkW/YHE/e+FXzzHy4/yLE/0cXYjOKKQ2hOOrOyBvSTCdOX6geCXRAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1f40c65899c3b54e3c1829fbe7a09d4a6fa04485e6adf1a63bdc87b7fee9348","last_reissued_at":"2026-05-18T02:00:16.873398Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:16.873398Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.1344","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":"2026-05-18T02:00:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"53DV8q0iHh1hj3VmeNljjbAet1Jgi9JlnN4C6FQ5VSOCJd4aq1OLdv7ULLKRReHy3qjTDhknZNMqK8aoNRSoBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T04:39:15.630185Z"},"content_sha256":"dcdaaf39fcfdb8fb460955cb52d6393e2108c5b365371d1b182b49e30c04b92d","schema_version":"1.0","event_id":"sha256:dcdaaf39fcfdb8fb460955cb52d6393e2108c5b365371d1b182b49e30c04b92d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:UH2AYZMJTQ5VJY6BQKP346QJ2S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The dynamical state of galaxy groups and their luminosity content","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"((1) Instituto de Astronomia Teorica y Experimental, 2), (2) Instituto de Astronomia, Argentina, Ariel Zandivarez (1, Brazil), CONICET-Obervatorio Astronomico de Cordoba, Cordoba, Geofisica e Ciencias Atmosfericas, Hector J. Martinez (1), IAG, IATE, Sao Paulo","submitted_at":"2011-10-06T18:19:48Z","abstract_excerpt":"We analyse the dependence of the luminosity function of galaxies in groups (LF) on group dynamical state. We use the Gaussianity of the velocity distribution of galaxy members as a measurement of the dynamical equilibrium of groups identified in the SDSS Data Release 7 by Zandivarez & Martinez. We apply the Anderson-Darling goodness-of-fit test to distinguish between groups according to whether they have Gaussian or Non-Gaussian velocity distributions, i.e., whether they are relaxed or not. For these two subsamples, we compute the $^{0.1}r-$band LF as a function of group virial mass and group "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1344","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":"2026-05-18T02:00:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oXIlLviEv7+8SgcU2iSESlplPeRw1ijTXFON/YsBJEUbHMnlYuCNDvY6TLt/nnNw7FPxRVbV/ZJhQ8LoGEY5Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T04:39:15.630545Z"},"content_sha256":"0a47e787a5aa53badc17eec58a584db65cf6c2109da1ec2db10999fdb1fa33f9","schema_version":"1.0","event_id":"sha256:0a47e787a5aa53badc17eec58a584db65cf6c2109da1ec2db10999fdb1fa33f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UH2AYZMJTQ5VJY6BQKP346QJ2S/bundle.json","state_url":"https://pith.science/pith/UH2AYZMJTQ5VJY6BQKP346QJ2S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UH2AYZMJTQ5VJY6BQKP346QJ2S/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":"2026-06-07T04:39:15Z","links":{"resolver":"https://pith.science/pith/UH2AYZMJTQ5VJY6BQKP346QJ2S","bundle":"https://pith.science/pith/UH2AYZMJTQ5VJY6BQKP346QJ2S/bundle.json","state":"https://pith.science/pith/UH2AYZMJTQ5VJY6BQKP346QJ2S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UH2AYZMJTQ5VJY6BQKP346QJ2S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:UH2AYZMJTQ5VJY6BQKP346QJ2S","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":"585fb66fddcbc11dbe277f91922f4e36e1bd294c284042f51305b9abc520812e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-06T18:19:48Z","title_canon_sha256":"365a98db9ee7be1efdc165a402192cb6c4d167b8545e637ca0dd4694337d8902"},"schema_version":"1.0","source":{"id":"1110.1344","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1344","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1344v1","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1344","created_at":"2026-05-18T02:00:16Z"},{"alias_kind":"pith_short_12","alias_value":"UH2AYZMJTQ5V","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UH2AYZMJTQ5VJY6B","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UH2AYZMJ","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:0a47e787a5aa53badc17eec58a584db65cf6c2109da1ec2db10999fdb1fa33f9","target":"graph","created_at":"2026-05-18T02:00:16Z","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 analyse the dependence of the luminosity function of galaxies in groups (LF) on group dynamical state. We use the Gaussianity of the velocity distribution of galaxy members as a measurement of the dynamical equilibrium of groups identified in the SDSS Data Release 7 by Zandivarez & Martinez. We apply the Anderson-Darling goodness-of-fit test to distinguish between groups according to whether they have Gaussian or Non-Gaussian velocity distributions, i.e., whether they are relaxed or not. For these two subsamples, we compute the $^{0.1}r-$band LF as a function of group virial mass and group ","authors_text":"((1) Instituto de Astronomia Teorica y Experimental, 2), (2) Instituto de Astronomia, Argentina, Ariel Zandivarez (1, Brazil), CONICET-Obervatorio Astronomico de Cordoba, Cordoba, Geofisica e Ciencias Atmosfericas, Hector J. Martinez (1), IAG, IATE, Sao Paulo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-06T18:19:48Z","title":"The dynamical state of galaxy groups and their luminosity content"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1344","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:dcdaaf39fcfdb8fb460955cb52d6393e2108c5b365371d1b182b49e30c04b92d","target":"record","created_at":"2026-05-18T02:00:16Z","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":"585fb66fddcbc11dbe277f91922f4e36e1bd294c284042f51305b9abc520812e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-06T18:19:48Z","title_canon_sha256":"365a98db9ee7be1efdc165a402192cb6c4d167b8545e637ca0dd4694337d8902"},"schema_version":"1.0","source":{"id":"1110.1344","kind":"arxiv","version":1}},"canonical_sha256":"a1f40c65899c3b54e3c1829fbe7a09d4a6fa04485e6adf1a63bdc87b7fee9348","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1f40c65899c3b54e3c1829fbe7a09d4a6fa04485e6adf1a63bdc87b7fee9348","first_computed_at":"2026-05-18T02:00:16.873398Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:16.873398Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K9q/wG3MHkCSK8pk3aVdbF3zvokA9mxxVkW/YHE/e+FXzzHy4/yLE/0cXYjOKKQ2hOOrOyBvSTCdOX6geCXRAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:16.873994Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.1344","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dcdaaf39fcfdb8fb460955cb52d6393e2108c5b365371d1b182b49e30c04b92d","sha256:0a47e787a5aa53badc17eec58a584db65cf6c2109da1ec2db10999fdb1fa33f9"],"state_sha256":"b7be0fda554acdf4d8df0c5f7c533fe569aab363a62c027256a26ccd19141a7a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"twzvU+9G5Omoc2EQssSgo1Ha3ecR1pBkddkviRzi+ScDlsag/ayLIJLPN7Etg6Ph3F/GaomnotmDRXEtNWb6Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T04:39:15.632485Z","bundle_sha256":"f29fbddca18c539900cdf332a7c1784e7f892ffc80814cfd483862ed3aa61837"}}