{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:24VDUOXB4O22Q3YD7Y4JP6LUQ5","short_pith_number":"pith:24VDUOXB","canonical_record":{"source":{"id":"2506.16927","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2025-06-20T11:42:25Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","gr-qc"],"title_canon_sha256":"bb273ea20183a94bd930a6906ef22ac4dbc27ed6b5336b4f1a70dddc9ca37121","abstract_canon_sha256":"acde609e52e9c2dbac137c6aabe922bb2a623a4e504dc7c3acbf1bd9412b496d"},"schema_version":"1.0"},"canonical_sha256":"d72a3a3ae1e3b5a86f03fe3897f974876be208b4338b8c3f50482db418196fc5","source":{"kind":"arxiv","id":"2506.16927","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.16927","created_at":"2026-07-05T11:49:55Z"},{"alias_kind":"arxiv_version","alias_value":"2506.16927v1","created_at":"2026-07-05T11:49:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.16927","created_at":"2026-07-05T11:49:55Z"},{"alias_kind":"pith_short_12","alias_value":"24VDUOXB4O22","created_at":"2026-07-05T11:49:55Z"},{"alias_kind":"pith_short_16","alias_value":"24VDUOXB4O22Q3YD","created_at":"2026-07-05T11:49:55Z"},{"alias_kind":"pith_short_8","alias_value":"24VDUOXB","created_at":"2026-07-05T11:49:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:24VDUOXB4O22Q3YD7Y4JP6LUQ5","target":"record","payload":{"canonical_record":{"source":{"id":"2506.16927","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2025-06-20T11:42:25Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","gr-qc"],"title_canon_sha256":"bb273ea20183a94bd930a6906ef22ac4dbc27ed6b5336b4f1a70dddc9ca37121","abstract_canon_sha256":"acde609e52e9c2dbac137c6aabe922bb2a623a4e504dc7c3acbf1bd9412b496d"},"schema_version":"1.0"},"canonical_sha256":"d72a3a3ae1e3b5a86f03fe3897f974876be208b4338b8c3f50482db418196fc5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:49:55.869581Z","signature_b64":"wUdL9W97qYwv5AxcTL+W+QCsRAlBedVG3TPM+byJV00UoqCqeGFd5cB8nu4ln4AO997cX0QTs2MbThYxP3GJDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d72a3a3ae1e3b5a86f03fe3897f974876be208b4338b8c3f50482db418196fc5","last_reissued_at":"2026-07-05T11:49:55.869129Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:49:55.869129Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.16927","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":"2026-07-05T11:49:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rQyM70F1hMOdCfIHdJnnUDcsXX+bAiiSF/vMGAp2zaKTeNwKLBxAcYa/5dLp4BbiAr92Yqdhlpdjd/+h9gP4Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T10:45:05.556368Z"},"content_sha256":"182dcc83ab284846c184a6864e23273a70f5bd202f6afc59cd23f80fef73b778","schema_version":"1.0","event_id":"sha256:182dcc83ab284846c184a6864e23273a70f5bd202f6afc59cd23f80fef73b778"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:24VDUOXB4O22Q3YD7Y4JP6LUQ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shadow in the Galactic Center: Theoretical Concept -- Prediction -- Realization","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA","gr-qc"],"primary_cat":"physics.hist-ph","authors_text":"Alexander F. Zakharov","submitted_at":"2025-06-20T11:42:25Z","abstract_excerpt":"General Relativity (GR) was created in November 1915 and since its creation and up to now this theory has undergone many tests. The first realistic cosmological models were proposed in the works of Friedman, written in the 1920s. For a long time Friedman's cosmological works were actually banned in Soviet Union due to philosophical reasons, since the models where the birth and evolution of the Universe occurs were considered ideologically unacceptable. Due to great achievements in relativity and cosmology and due to increasing interest to these branches of of science in last decades we recall "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.16927","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/2506.16927/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":"2026-07-05T11:49:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"StPdV0Kezk91nxeueOnMqs1WnFcpw4k4nO4YKo845ZO/xYJGA+JKm2977zkVH25NlWBex2X760v2NVKuA71DAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T10:45:05.557009Z"},"content_sha256":"7238acc831fcf926206a65681a1d0dbc160beeb3c8f2efc129e4478a04c5fad5","schema_version":"1.0","event_id":"sha256:7238acc831fcf926206a65681a1d0dbc160beeb3c8f2efc129e4478a04c5fad5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/24VDUOXB4O22Q3YD7Y4JP6LUQ5/bundle.json","state_url":"https://pith.science/pith/24VDUOXB4O22Q3YD7Y4JP6LUQ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/24VDUOXB4O22Q3YD7Y4JP6LUQ5/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":"2026-08-19T10:45:05Z","links":{"resolver":"https://pith.science/pith/24VDUOXB4O22Q3YD7Y4JP6LUQ5","bundle":"https://pith.science/pith/24VDUOXB4O22Q3YD7Y4JP6LUQ5/bundle.json","state":"https://pith.science/pith/24VDUOXB4O22Q3YD7Y4JP6LUQ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/24VDUOXB4O22Q3YD7Y4JP6LUQ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:24VDUOXB4O22Q3YD7Y4JP6LUQ5","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":"acde609e52e9c2dbac137c6aabe922bb2a623a4e504dc7c3acbf1bd9412b496d","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","gr-qc"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2025-06-20T11:42:25Z","title_canon_sha256":"bb273ea20183a94bd930a6906ef22ac4dbc27ed6b5336b4f1a70dddc9ca37121"},"schema_version":"1.0","source":{"id":"2506.16927","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.16927","created_at":"2026-07-05T11:49:55Z"},{"alias_kind":"arxiv_version","alias_value":"2506.16927v1","created_at":"2026-07-05T11:49:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.16927","created_at":"2026-07-05T11:49:55Z"},{"alias_kind":"pith_short_12","alias_value":"24VDUOXB4O22","created_at":"2026-07-05T11:49:55Z"},{"alias_kind":"pith_short_16","alias_value":"24VDUOXB4O22Q3YD","created_at":"2026-07-05T11:49:55Z"},{"alias_kind":"pith_short_8","alias_value":"24VDUOXB","created_at":"2026-07-05T11:49:55Z"}],"graph_snapshots":[{"event_id":"sha256:7238acc831fcf926206a65681a1d0dbc160beeb3c8f2efc129e4478a04c5fad5","target":"graph","created_at":"2026-07-05T11:49:55Z","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/2506.16927/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"General Relativity (GR) was created in November 1915 and since its creation and up to now this theory has undergone many tests. The first realistic cosmological models were proposed in the works of Friedman, written in the 1920s. For a long time Friedman's cosmological works were actually banned in Soviet Union due to philosophical reasons, since the models where the birth and evolution of the Universe occurs were considered ideologically unacceptable. Due to great achievements in relativity and cosmology and due to increasing interest to these branches of of science in last decades we recall ","authors_text":"Alexander F. Zakharov","cross_cats":["astro-ph.CO","astro-ph.GA","gr-qc"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2025-06-20T11:42:25Z","title":"Shadow in the Galactic Center: Theoretical Concept -- Prediction -- Realization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.16927","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":"sha256:182dcc83ab284846c184a6864e23273a70f5bd202f6afc59cd23f80fef73b778","target":"record","created_at":"2026-07-05T11:49:55Z","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":"acde609e52e9c2dbac137c6aabe922bb2a623a4e504dc7c3acbf1bd9412b496d","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","gr-qc"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2025-06-20T11:42:25Z","title_canon_sha256":"bb273ea20183a94bd930a6906ef22ac4dbc27ed6b5336b4f1a70dddc9ca37121"},"schema_version":"1.0","source":{"id":"2506.16927","kind":"arxiv","version":1}},"canonical_sha256":"d72a3a3ae1e3b5a86f03fe3897f974876be208b4338b8c3f50482db418196fc5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d72a3a3ae1e3b5a86f03fe3897f974876be208b4338b8c3f50482db418196fc5","first_computed_at":"2026-07-05T11:49:55.869129Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:49:55.869129Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wUdL9W97qYwv5AxcTL+W+QCsRAlBedVG3TPM+byJV00UoqCqeGFd5cB8nu4ln4AO997cX0QTs2MbThYxP3GJDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:49:55.869581Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.16927","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:182dcc83ab284846c184a6864e23273a70f5bd202f6afc59cd23f80fef73b778","sha256:7238acc831fcf926206a65681a1d0dbc160beeb3c8f2efc129e4478a04c5fad5"],"state_sha256":"a6db219c1527f3b65ae514c748a571d4661dfaecb4f61ec63685f0568e0a2579"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x9Luyx+nRsEH50SN/lEcYVmUkF/POZeFSpS35Xk/NO3s2YEFam7BUPcQDPfF8iLkQzuz5crBT7GSMkwYFspfAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T10:45:05.560256Z","bundle_sha256":"b552cfdc0c0d406a4701c5c1d22dcfa6505c98af61c258de01efb3c7dc67e7e3"}}