{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:RB7TVMDUZBF4JC2W5ZEZBMYRFC","short_pith_number":"pith:RB7TVMDU","canonical_record":{"source":{"id":"1211.7050","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-11-29T20:55:13Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"dbd0c5a524bcf7f3442f22ae9b5a28f7b814d5b4ae299c38bfbc0cab49b2a518","abstract_canon_sha256":"b034d88f9f382794f723590f213e15669d7295528b8ddcb9165806763d53b81f"},"schema_version":"1.0"},"canonical_sha256":"887f3ab074c84bc48b56ee4990b31128928ab3b8f616bbe1ad5faaae9a60f70b","source":{"kind":"arxiv","id":"1211.7050","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.7050","created_at":"2026-05-18T01:31:12Z"},{"alias_kind":"arxiv_version","alias_value":"1211.7050v1","created_at":"2026-05-18T01:31:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.7050","created_at":"2026-05-18T01:31:12Z"},{"alias_kind":"pith_short_12","alias_value":"RB7TVMDUZBF4","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RB7TVMDUZBF4JC2W","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RB7TVMDU","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:RB7TVMDUZBF4JC2W5ZEZBMYRFC","target":"record","payload":{"canonical_record":{"source":{"id":"1211.7050","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-11-29T20:55:13Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"dbd0c5a524bcf7f3442f22ae9b5a28f7b814d5b4ae299c38bfbc0cab49b2a518","abstract_canon_sha256":"b034d88f9f382794f723590f213e15669d7295528b8ddcb9165806763d53b81f"},"schema_version":"1.0"},"canonical_sha256":"887f3ab074c84bc48b56ee4990b31128928ab3b8f616bbe1ad5faaae9a60f70b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:31:12.088996Z","signature_b64":"zs5wuPsvQiF6TxlsRsWkMiDqnz28z3DNOVMEfLjI4grR0lXh3Rg1limC9Fu5Zpdwrn5SU4XqOL1ZeoHMWA8sCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"887f3ab074c84bc48b56ee4990b31128928ab3b8f616bbe1ad5faaae9a60f70b","last_reissued_at":"2026-05-18T01:31:12.088523Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:31:12.088523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.7050","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":"2026-05-18T01:31:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7hsozLHcacCA6B9fL3WIi4F06HMiXlds5ggzDhcfO6g8YFhsnh3ROnFEZGEKZAl+xBI/fDi3ejmA9KU8G7JJDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:48:20.577467Z"},"content_sha256":"e856a746a9a155761cc940776e0df06dc981e3ac19f6d2a00a019c8b58a9dc0d","schema_version":"1.0","event_id":"sha256:e856a746a9a155761cc940776e0df06dc981e3ac19f6d2a00a019c8b58a9dc0d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:RB7TVMDUZBF4JC2W5ZEZBMYRFC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A scale-covariant quantum space-time","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"Claudio Perini, Gabriele Nunzio Tornetta","submitted_at":"2012-11-29T20:55:13Z","abstract_excerpt":"A noncommutative space-time admitting dilation symmetry was briefly mentioned in the seminal work of Doplicher, Fredenhagen and Roberts. In this paper we explicitly construct the model in details and carry out an in-depth analysis. The C*-algebra that describes this quantum space-time is determined, and it is shown that it admits an action by *-automorphisms of the dilation group, along with the expected Poincar\\'e covariance. In order to study the main physical properties of this scale-covariant model, a free scalar neutral field is introduced as a investigation tool. Our key results are then"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.7050","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":"2026-05-18T01:31:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mqw7hsGL+1vojt6hzYNVFmH6WJWNFX+HvVv6PW9kpXE4LXfxuyRmd1O+qGjFO/99VodhzeLSNKmbSzdkvh4wCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:48:20.577833Z"},"content_sha256":"65d80fd883402695fcef298245e0de28dcbf1393f21d455de2028193c918f60c","schema_version":"1.0","event_id":"sha256:65d80fd883402695fcef298245e0de28dcbf1393f21d455de2028193c918f60c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RB7TVMDUZBF4JC2W5ZEZBMYRFC/bundle.json","state_url":"https://pith.science/pith/RB7TVMDUZBF4JC2W5ZEZBMYRFC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RB7TVMDUZBF4JC2W5ZEZBMYRFC/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":"2026-05-28T06:48:20Z","links":{"resolver":"https://pith.science/pith/RB7TVMDUZBF4JC2W5ZEZBMYRFC","bundle":"https://pith.science/pith/RB7TVMDUZBF4JC2W5ZEZBMYRFC/bundle.json","state":"https://pith.science/pith/RB7TVMDUZBF4JC2W5ZEZBMYRFC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RB7TVMDUZBF4JC2W5ZEZBMYRFC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:RB7TVMDUZBF4JC2W5ZEZBMYRFC","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":"b034d88f9f382794f723590f213e15669d7295528b8ddcb9165806763d53b81f","cross_cats_sorted":["hep-th","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-11-29T20:55:13Z","title_canon_sha256":"dbd0c5a524bcf7f3442f22ae9b5a28f7b814d5b4ae299c38bfbc0cab49b2a518"},"schema_version":"1.0","source":{"id":"1211.7050","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.7050","created_at":"2026-05-18T01:31:12Z"},{"alias_kind":"arxiv_version","alias_value":"1211.7050v1","created_at":"2026-05-18T01:31:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.7050","created_at":"2026-05-18T01:31:12Z"},{"alias_kind":"pith_short_12","alias_value":"RB7TVMDUZBF4","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RB7TVMDUZBF4JC2W","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RB7TVMDU","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:65d80fd883402695fcef298245e0de28dcbf1393f21d455de2028193c918f60c","target":"graph","created_at":"2026-05-18T01:31:12Z","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":"A noncommutative space-time admitting dilation symmetry was briefly mentioned in the seminal work of Doplicher, Fredenhagen and Roberts. In this paper we explicitly construct the model in details and carry out an in-depth analysis. The C*-algebra that describes this quantum space-time is determined, and it is shown that it admits an action by *-automorphisms of the dilation group, along with the expected Poincar\\'e covariance. In order to study the main physical properties of this scale-covariant model, a free scalar neutral field is introduced as a investigation tool. Our key results are then","authors_text":"Claudio Perini, Gabriele Nunzio Tornetta","cross_cats":["hep-th","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-11-29T20:55:13Z","title":"A scale-covariant quantum space-time"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.7050","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:e856a746a9a155761cc940776e0df06dc981e3ac19f6d2a00a019c8b58a9dc0d","target":"record","created_at":"2026-05-18T01:31:12Z","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":"b034d88f9f382794f723590f213e15669d7295528b8ddcb9165806763d53b81f","cross_cats_sorted":["hep-th","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-11-29T20:55:13Z","title_canon_sha256":"dbd0c5a524bcf7f3442f22ae9b5a28f7b814d5b4ae299c38bfbc0cab49b2a518"},"schema_version":"1.0","source":{"id":"1211.7050","kind":"arxiv","version":1}},"canonical_sha256":"887f3ab074c84bc48b56ee4990b31128928ab3b8f616bbe1ad5faaae9a60f70b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"887f3ab074c84bc48b56ee4990b31128928ab3b8f616bbe1ad5faaae9a60f70b","first_computed_at":"2026-05-18T01:31:12.088523Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:31:12.088523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zs5wuPsvQiF6TxlsRsWkMiDqnz28z3DNOVMEfLjI4grR0lXh3Rg1limC9Fu5Zpdwrn5SU4XqOL1ZeoHMWA8sCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:31:12.088996Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.7050","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e856a746a9a155761cc940776e0df06dc981e3ac19f6d2a00a019c8b58a9dc0d","sha256:65d80fd883402695fcef298245e0de28dcbf1393f21d455de2028193c918f60c"],"state_sha256":"383d2359f3241af5db5f5d5efec0acd65f346a425ccbacc2e65273dec03ba8ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GRzL4iMTu9aDviLhy2pFcD/jBntS5C4e6kgYSVOb0sMGvSRYUDphv2rKBwRtyTfFtFKt2VqXNDBSdDvLDwcHDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T06:48:20.580015Z","bundle_sha256":"d065eb5c3f9970416bfd59e64af293d82e7d1560fe7b412f092e61ff803c71db"}}