{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:ROCUEGRSHKWXQQHIYBUUM5NPAV","short_pith_number":"pith:ROCUEGRS","canonical_record":{"source":{"id":"2112.04529","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-12-08T19:08:24Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d92caaf462a5375514ae96028e874606798ba6826bcfedb7d377124a1c7d59ff","abstract_canon_sha256":"338743d70d5816a99f599352df8ef66c563235be42c276a46c3db760d0a38d9d"},"schema_version":"1.0"},"canonical_sha256":"8b85421a323aad7840e8c0694675af057b9846800d4931525b3163ff755ab797","source":{"kind":"arxiv","id":"2112.04529","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.04529","created_at":"2026-07-05T04:20:31Z"},{"alias_kind":"arxiv_version","alias_value":"2112.04529v2","created_at":"2026-07-05T04:20:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.04529","created_at":"2026-07-05T04:20:31Z"},{"alias_kind":"pith_short_12","alias_value":"ROCUEGRSHKWX","created_at":"2026-07-05T04:20:31Z"},{"alias_kind":"pith_short_16","alias_value":"ROCUEGRSHKWXQQHI","created_at":"2026-07-05T04:20:31Z"},{"alias_kind":"pith_short_8","alias_value":"ROCUEGRS","created_at":"2026-07-05T04:20:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:ROCUEGRSHKWXQQHIYBUUM5NPAV","target":"record","payload":{"canonical_record":{"source":{"id":"2112.04529","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-12-08T19:08:24Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d92caaf462a5375514ae96028e874606798ba6826bcfedb7d377124a1c7d59ff","abstract_canon_sha256":"338743d70d5816a99f599352df8ef66c563235be42c276a46c3db760d0a38d9d"},"schema_version":"1.0"},"canonical_sha256":"8b85421a323aad7840e8c0694675af057b9846800d4931525b3163ff755ab797","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:20:31.471602Z","signature_b64":"Jm46bI8cNlBOwAtt6Rncjy3E2FAj2QoUjU/6FGbntIYJMfaqbaUMeX7vXBn1R3hbdnXK3AYp7ieoPjT5Y1V1AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b85421a323aad7840e8c0694675af057b9846800d4931525b3163ff755ab797","last_reissued_at":"2026-07-05T04:20:31.471068Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:20:31.471068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.04529","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:20:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"An3/8FehzvHH1sujPknCQI8CjJAdagVZ2n1MKWZAl5I3np5Me2zG8iYbPE3UTht8r/404eUrtf5OqOH4S7epBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T18:31:09.811839Z"},"content_sha256":"ef58bb091f1f7f45941d1fd94a2902d5100f265997ab623c4f6b72b7c27f23f4","schema_version":"1.0","event_id":"sha256:ef58bb091f1f7f45941d1fd94a2902d5100f265997ab623c4f6b72b7c27f23f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:ROCUEGRSHKWXQQHIYBUUM5NPAV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extreme $\\ell$-boson stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Alberto Diez-Tejedor, Argelia Bernal, Dar\\'io N\\'u\\~nez, Juan Barranco, Juan Carlos Degollado, Miguel Alcubierre, Miguel Megevand, Olivier Sarbach, V\\'ictor Jaramillo","submitted_at":"2021-12-08T19:08:24Z","abstract_excerpt":"A new class of complex scalar field objects, which generalize the well known boson stars, was recently found as solutions to the Einstein-Klein-Gordon system. The generalization consists in incorporating some of the effects of angular momentum, while still maintaining the spacetime's spherical symmetry. These new solutions depend on an (integer) angular parameter $\\ell$, and hence were named $\\ell$-boson stars. Like the standard $\\ell=0$ boson stars these configurations admit a stable branch in the solution space; however, contrary to them they have a morphology that presents a shell-like stru"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.04529","kind":"arxiv","version":2},"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/2112.04529/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":"2026-07-05T04:20:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vy1zcQiwdhgAwn4gV6BOJbhc0G9zK0PUr5rv8NrIiAGCcaAjYubfyXKcOjHuZH912bOuy7fqTD6gpFCE5moDDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T18:31:09.812441Z"},"content_sha256":"ea5a8898860432370a3df317fea5ecc0c607fa2baea544c91ea05b6d1b8ace1d","schema_version":"1.0","event_id":"sha256:ea5a8898860432370a3df317fea5ecc0c607fa2baea544c91ea05b6d1b8ace1d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ROCUEGRSHKWXQQHIYBUUM5NPAV/bundle.json","state_url":"https://pith.science/pith/ROCUEGRSHKWXQQHIYBUUM5NPAV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ROCUEGRSHKWXQQHIYBUUM5NPAV/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":"2026-08-22T18:31:09Z","links":{"resolver":"https://pith.science/pith/ROCUEGRSHKWXQQHIYBUUM5NPAV","bundle":"https://pith.science/pith/ROCUEGRSHKWXQQHIYBUUM5NPAV/bundle.json","state":"https://pith.science/pith/ROCUEGRSHKWXQQHIYBUUM5NPAV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ROCUEGRSHKWXQQHIYBUUM5NPAV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:ROCUEGRSHKWXQQHIYBUUM5NPAV","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":"338743d70d5816a99f599352df8ef66c563235be42c276a46c3db760d0a38d9d","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-12-08T19:08:24Z","title_canon_sha256":"d92caaf462a5375514ae96028e874606798ba6826bcfedb7d377124a1c7d59ff"},"schema_version":"1.0","source":{"id":"2112.04529","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.04529","created_at":"2026-07-05T04:20:31Z"},{"alias_kind":"arxiv_version","alias_value":"2112.04529v2","created_at":"2026-07-05T04:20:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.04529","created_at":"2026-07-05T04:20:31Z"},{"alias_kind":"pith_short_12","alias_value":"ROCUEGRSHKWX","created_at":"2026-07-05T04:20:31Z"},{"alias_kind":"pith_short_16","alias_value":"ROCUEGRSHKWXQQHI","created_at":"2026-07-05T04:20:31Z"},{"alias_kind":"pith_short_8","alias_value":"ROCUEGRS","created_at":"2026-07-05T04:20:31Z"}],"graph_snapshots":[{"event_id":"sha256:ea5a8898860432370a3df317fea5ecc0c607fa2baea544c91ea05b6d1b8ace1d","target":"graph","created_at":"2026-07-05T04:20:31Z","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/2112.04529/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A new class of complex scalar field objects, which generalize the well known boson stars, was recently found as solutions to the Einstein-Klein-Gordon system. The generalization consists in incorporating some of the effects of angular momentum, while still maintaining the spacetime's spherical symmetry. These new solutions depend on an (integer) angular parameter $\\ell$, and hence were named $\\ell$-boson stars. Like the standard $\\ell=0$ boson stars these configurations admit a stable branch in the solution space; however, contrary to them they have a morphology that presents a shell-like stru","authors_text":"Alberto Diez-Tejedor, Argelia Bernal, Dar\\'io N\\'u\\~nez, Juan Barranco, Juan Carlos Degollado, Miguel Alcubierre, Miguel Megevand, Olivier Sarbach, V\\'ictor Jaramillo","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-12-08T19:08:24Z","title":"Extreme $\\ell$-boson stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.04529","kind":"arxiv","version":2},"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:ef58bb091f1f7f45941d1fd94a2902d5100f265997ab623c4f6b72b7c27f23f4","target":"record","created_at":"2026-07-05T04:20:31Z","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":"338743d70d5816a99f599352df8ef66c563235be42c276a46c3db760d0a38d9d","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-12-08T19:08:24Z","title_canon_sha256":"d92caaf462a5375514ae96028e874606798ba6826bcfedb7d377124a1c7d59ff"},"schema_version":"1.0","source":{"id":"2112.04529","kind":"arxiv","version":2}},"canonical_sha256":"8b85421a323aad7840e8c0694675af057b9846800d4931525b3163ff755ab797","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b85421a323aad7840e8c0694675af057b9846800d4931525b3163ff755ab797","first_computed_at":"2026-07-05T04:20:31.471068Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:20:31.471068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Jm46bI8cNlBOwAtt6Rncjy3E2FAj2QoUjU/6FGbntIYJMfaqbaUMeX7vXBn1R3hbdnXK3AYp7ieoPjT5Y1V1AA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:20:31.471602Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.04529","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef58bb091f1f7f45941d1fd94a2902d5100f265997ab623c4f6b72b7c27f23f4","sha256:ea5a8898860432370a3df317fea5ecc0c607fa2baea544c91ea05b6d1b8ace1d"],"state_sha256":"f7f0db668f0d8ce10f9a72750827f974f06627e5b9e821230788618114174b2e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sZ/lrCk2Bjg12Pa1IAKCnAELuFhWAVyoaIz8qgLeCxMJc1ruBDKR/1zFC9cOYgeSG/In8YUK6CP6AE4vAjN0DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T18:31:09.816682Z","bundle_sha256":"a8e19376408454df0edc5c55c564e3c3442c61e9bf3a81afa6d83652e7fd685f"}}