{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:XWKBL6W5YB6TOBTAVZWE2XKBVT","short_pith_number":"pith:XWKBL6W5","canonical_record":{"source":{"id":"1205.3176","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-14T20:01:25Z","cross_cats_sorted":[],"title_canon_sha256":"c5766eebb9f3765046c194b6a5b66e729a79222255a22e51f8ed98da6dc8a11a","abstract_canon_sha256":"d3ab298455976784ad03041d1ddf5e08a17cb987917da2135d43848056226cc3"},"schema_version":"1.0"},"canonical_sha256":"bd9415faddc07d370660ae6c4d5d41ace645c20f6e9a0f63416414682dd7af23","source":{"kind":"arxiv","id":"1205.3176","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3176","created_at":"2026-05-18T01:57:32Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3176v1","created_at":"2026-05-18T01:57:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3176","created_at":"2026-05-18T01:57:32Z"},{"alias_kind":"pith_short_12","alias_value":"XWKBL6W5YB6T","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XWKBL6W5YB6TOBTA","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XWKBL6W5","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:XWKBL6W5YB6TOBTAVZWE2XKBVT","target":"record","payload":{"canonical_record":{"source":{"id":"1205.3176","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-14T20:01:25Z","cross_cats_sorted":[],"title_canon_sha256":"c5766eebb9f3765046c194b6a5b66e729a79222255a22e51f8ed98da6dc8a11a","abstract_canon_sha256":"d3ab298455976784ad03041d1ddf5e08a17cb987917da2135d43848056226cc3"},"schema_version":"1.0"},"canonical_sha256":"bd9415faddc07d370660ae6c4d5d41ace645c20f6e9a0f63416414682dd7af23","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:32.303276Z","signature_b64":"TaEz97lHk8CfWXYlNEm7HjTl5rlhoXX+q2bgGeh1T5rRZTVMPo1S7oWD7eSzWlstfSj93Onc4gpsbY6N8f+vBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd9415faddc07d370660ae6c4d5d41ace645c20f6e9a0f63416414682dd7af23","last_reissued_at":"2026-05-18T01:57:32.302761Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:32.302761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.3176","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":"2026-05-18T01:57:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a2CS79gcyh+HEp7QX8Xc6ALuaH1C9ptKAngllNsAVuzxGYPnZzQtasMBwEsTpZtQq5muEnNIxpnyvCFCKl5sBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T02:51:33.812366Z"},"content_sha256":"53d9394b2e9042849eb8e956e9fb439e225a32d3216a54b3f7dbe07a4b2f2b41","schema_version":"1.0","event_id":"sha256:53d9394b2e9042849eb8e956e9fb439e225a32d3216a54b3f7dbe07a4b2f2b41"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:XWKBL6W5YB6TOBTAVZWE2XKBVT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Globular cluster systems as tracers of environmental effects on Virgo early-type dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"J.A.L. Aguerri (IAC, R. S\\'anchez-Janssen (ESO), ULL)","submitted_at":"2012-05-14T20:01:25Z","abstract_excerpt":"Early-type dwarfs (dEs) are by far the most abundant galaxy population in nearby clusters. Whether these objects are primordial, or the recent end-products of the different physical mechanisms that can transform galaxies once they enter these high-density environments, is still a matter of debate. Here we present a novel approach to test these scenarios by comparing the properties of the globular cluster systems (GCSs) of Virgo dEs and their potential progenitors with simple predictions from gravitational and hydrodynamical interaction models. We show that low-mass (Mstar < 2E8 Msun) dEs have "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3176","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":"2026-05-18T01:57:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IjtLBuv4MQhsu8Jw3k6dnf8tYYBoURO7I5Q2kn9Oo1gsYJrEhh9alM++aPIoxf3MHWbVm3ejFW2G0WKyZIONBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T02:51:33.812952Z"},"content_sha256":"5825b281dbeb220efead15e8a32d546363eba9031d82a14be3f47bee84717ca3","schema_version":"1.0","event_id":"sha256:5825b281dbeb220efead15e8a32d546363eba9031d82a14be3f47bee84717ca3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XWKBL6W5YB6TOBTAVZWE2XKBVT/bundle.json","state_url":"https://pith.science/pith/XWKBL6W5YB6TOBTAVZWE2XKBVT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XWKBL6W5YB6TOBTAVZWE2XKBVT/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":"2026-06-08T02:51:33Z","links":{"resolver":"https://pith.science/pith/XWKBL6W5YB6TOBTAVZWE2XKBVT","bundle":"https://pith.science/pith/XWKBL6W5YB6TOBTAVZWE2XKBVT/bundle.json","state":"https://pith.science/pith/XWKBL6W5YB6TOBTAVZWE2XKBVT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XWKBL6W5YB6TOBTAVZWE2XKBVT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:XWKBL6W5YB6TOBTAVZWE2XKBVT","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":"d3ab298455976784ad03041d1ddf5e08a17cb987917da2135d43848056226cc3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-14T20:01:25Z","title_canon_sha256":"c5766eebb9f3765046c194b6a5b66e729a79222255a22e51f8ed98da6dc8a11a"},"schema_version":"1.0","source":{"id":"1205.3176","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3176","created_at":"2026-05-18T01:57:32Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3176v1","created_at":"2026-05-18T01:57:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3176","created_at":"2026-05-18T01:57:32Z"},{"alias_kind":"pith_short_12","alias_value":"XWKBL6W5YB6T","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XWKBL6W5YB6TOBTA","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XWKBL6W5","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:5825b281dbeb220efead15e8a32d546363eba9031d82a14be3f47bee84717ca3","target":"graph","created_at":"2026-05-18T01:57:32Z","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":"Early-type dwarfs (dEs) are by far the most abundant galaxy population in nearby clusters. Whether these objects are primordial, or the recent end-products of the different physical mechanisms that can transform galaxies once they enter these high-density environments, is still a matter of debate. Here we present a novel approach to test these scenarios by comparing the properties of the globular cluster systems (GCSs) of Virgo dEs and their potential progenitors with simple predictions from gravitational and hydrodynamical interaction models. We show that low-mass (Mstar < 2E8 Msun) dEs have ","authors_text":"J.A.L. Aguerri (IAC, R. S\\'anchez-Janssen (ESO), ULL)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-14T20:01:25Z","title":"Globular cluster systems as tracers of environmental effects on Virgo early-type dwarfs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3176","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":"sha256:53d9394b2e9042849eb8e956e9fb439e225a32d3216a54b3f7dbe07a4b2f2b41","target":"record","created_at":"2026-05-18T01:57:32Z","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":"d3ab298455976784ad03041d1ddf5e08a17cb987917da2135d43848056226cc3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-14T20:01:25Z","title_canon_sha256":"c5766eebb9f3765046c194b6a5b66e729a79222255a22e51f8ed98da6dc8a11a"},"schema_version":"1.0","source":{"id":"1205.3176","kind":"arxiv","version":1}},"canonical_sha256":"bd9415faddc07d370660ae6c4d5d41ace645c20f6e9a0f63416414682dd7af23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd9415faddc07d370660ae6c4d5d41ace645c20f6e9a0f63416414682dd7af23","first_computed_at":"2026-05-18T01:57:32.302761Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:32.302761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TaEz97lHk8CfWXYlNEm7HjTl5rlhoXX+q2bgGeh1T5rRZTVMPo1S7oWD7eSzWlstfSj93Onc4gpsbY6N8f+vBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:32.303276Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.3176","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53d9394b2e9042849eb8e956e9fb439e225a32d3216a54b3f7dbe07a4b2f2b41","sha256:5825b281dbeb220efead15e8a32d546363eba9031d82a14be3f47bee84717ca3"],"state_sha256":"be82aeda8cbc0e0a56309e76f98240e7e430cb35aa4d38504dc62be73349d75c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kAluTSUQyvbI3n09GEBTtppEpm0SKIuidV5tlGKYJGznAuyVowdSn2r+G5S+FKusrQ9pQEmCEcq5GYBnEwdtCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T02:51:33.816560Z","bundle_sha256":"54a9036f0c9931893bdf6a8b4479daff5099a2b74e96b367bc7c03e027ff5756"}}