{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:S32NRZ5GCVD7MHUAL5NWXEBJDU","short_pith_number":"pith:S32NRZ5G","canonical_record":{"source":{"id":"1301.1396","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-08T02:33:01Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","hep-ph"],"title_canon_sha256":"663f7d45b1913c281dad813953c0ab2069dca1f604150c5e584f66fe1e7a2979","abstract_canon_sha256":"e4c5b7249dd4f5830964628f8e8f7bfb99430a3a581845cf3a70a88092836d3d"},"schema_version":"1.0"},"canonical_sha256":"96f4d8e7a61547f61e805f5b6b90291d082673d61b31d0d565a107b64011e614","source":{"kind":"arxiv","id":"1301.1396","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.1396","created_at":"2026-05-18T03:36:57Z"},{"alias_kind":"arxiv_version","alias_value":"1301.1396v1","created_at":"2026-05-18T03:36:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1396","created_at":"2026-05-18T03:36:57Z"},{"alias_kind":"pith_short_12","alias_value":"S32NRZ5GCVD7","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"S32NRZ5GCVD7MHUA","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"S32NRZ5G","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:S32NRZ5GCVD7MHUAL5NWXEBJDU","target":"record","payload":{"canonical_record":{"source":{"id":"1301.1396","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-08T02:33:01Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","hep-ph"],"title_canon_sha256":"663f7d45b1913c281dad813953c0ab2069dca1f604150c5e584f66fe1e7a2979","abstract_canon_sha256":"e4c5b7249dd4f5830964628f8e8f7bfb99430a3a581845cf3a70a88092836d3d"},"schema_version":"1.0"},"canonical_sha256":"96f4d8e7a61547f61e805f5b6b90291d082673d61b31d0d565a107b64011e614","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:57.613527Z","signature_b64":"1IMaQw2W9VAYO/XKULS7UwkiijCjmHgzTgzbvS9dS18cB26PbWglin9oNfHokavP0wUI09EYi++h1m2opR3dDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"96f4d8e7a61547f61e805f5b6b90291d082673d61b31d0d565a107b64011e614","last_reissued_at":"2026-05-18T03:36:57.613097Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:57.613097Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.1396","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":"2026-05-18T03:36:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TdqLlyzgOYBrnH03XTUm0DEIM+UFgPfU0GZyJANEwMfD9RFT4acmgdlua7WEfxJXVHnrQLAR//19cmJ4TK2pAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T01:45:35.619540Z"},"content_sha256":"31b33f9cb70e4aef82ba114e0dc024ffbd55595bd7ce430679929790a0acece7","schema_version":"1.0","event_id":"sha256:31b33f9cb70e4aef82ba114e0dc024ffbd55595bd7ce430679929790a0acece7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:S32NRZ5GCVD7MHUAL5NWXEBJDU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Method for detecting a boson star at Sgr A* through gravitational lensing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA","hep-ph"],"primary_cat":"gr-qc","authors_text":"Amitai Y. Bin-Nun","submitted_at":"2013-01-08T02:33:01Z","abstract_excerpt":"Observations of the Sgr A* region in the galactic center confirm the presence of a large amount of matter in a small volume, leading to the consensus that a black hole exists there. However, dynamical observations cannot rule out the presence of a boson star, a compact object made up of scalar particles, as both objects are far more compact than the scale of current observational constraints. While a boson star in the galactic center is disfavored for a number of theoretical considerations, we outline the first test that can directly observe a boson star. We accomplish this by studying the str"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1396","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":"2026-05-18T03:36:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Cr8QAdlWTYafiUsaSYYNZc5OvCXdrEjJGq3eGMfrxCSUg2Xkn7hHhtQJ+IR1cQaF9s4U5v+YOR1X/TnOH6yCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T01:45:35.620230Z"},"content_sha256":"481466beff368bef90d6e80d60dc05ab7114e80fef386523446077896ca647f5","schema_version":"1.0","event_id":"sha256:481466beff368bef90d6e80d60dc05ab7114e80fef386523446077896ca647f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S32NRZ5GCVD7MHUAL5NWXEBJDU/bundle.json","state_url":"https://pith.science/pith/S32NRZ5GCVD7MHUAL5NWXEBJDU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S32NRZ5GCVD7MHUAL5NWXEBJDU/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":"2026-06-05T01:45:35Z","links":{"resolver":"https://pith.science/pith/S32NRZ5GCVD7MHUAL5NWXEBJDU","bundle":"https://pith.science/pith/S32NRZ5GCVD7MHUAL5NWXEBJDU/bundle.json","state":"https://pith.science/pith/S32NRZ5GCVD7MHUAL5NWXEBJDU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S32NRZ5GCVD7MHUAL5NWXEBJDU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:S32NRZ5GCVD7MHUAL5NWXEBJDU","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":"e4c5b7249dd4f5830964628f8e8f7bfb99430a3a581845cf3a70a88092836d3d","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-08T02:33:01Z","title_canon_sha256":"663f7d45b1913c281dad813953c0ab2069dca1f604150c5e584f66fe1e7a2979"},"schema_version":"1.0","source":{"id":"1301.1396","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.1396","created_at":"2026-05-18T03:36:57Z"},{"alias_kind":"arxiv_version","alias_value":"1301.1396v1","created_at":"2026-05-18T03:36:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1396","created_at":"2026-05-18T03:36:57Z"},{"alias_kind":"pith_short_12","alias_value":"S32NRZ5GCVD7","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"S32NRZ5GCVD7MHUA","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"S32NRZ5G","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:481466beff368bef90d6e80d60dc05ab7114e80fef386523446077896ca647f5","target":"graph","created_at":"2026-05-18T03:36:57Z","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":"Observations of the Sgr A* region in the galactic center confirm the presence of a large amount of matter in a small volume, leading to the consensus that a black hole exists there. However, dynamical observations cannot rule out the presence of a boson star, a compact object made up of scalar particles, as both objects are far more compact than the scale of current observational constraints. While a boson star in the galactic center is disfavored for a number of theoretical considerations, we outline the first test that can directly observe a boson star. We accomplish this by studying the str","authors_text":"Amitai Y. Bin-Nun","cross_cats":["astro-ph.CO","astro-ph.GA","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-08T02:33:01Z","title":"Method for detecting a boson star at Sgr A* through gravitational lensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1396","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":"sha256:31b33f9cb70e4aef82ba114e0dc024ffbd55595bd7ce430679929790a0acece7","target":"record","created_at":"2026-05-18T03:36:57Z","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":"e4c5b7249dd4f5830964628f8e8f7bfb99430a3a581845cf3a70a88092836d3d","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-01-08T02:33:01Z","title_canon_sha256":"663f7d45b1913c281dad813953c0ab2069dca1f604150c5e584f66fe1e7a2979"},"schema_version":"1.0","source":{"id":"1301.1396","kind":"arxiv","version":1}},"canonical_sha256":"96f4d8e7a61547f61e805f5b6b90291d082673d61b31d0d565a107b64011e614","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96f4d8e7a61547f61e805f5b6b90291d082673d61b31d0d565a107b64011e614","first_computed_at":"2026-05-18T03:36:57.613097Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:36:57.613097Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1IMaQw2W9VAYO/XKULS7UwkiijCjmHgzTgzbvS9dS18cB26PbWglin9oNfHokavP0wUI09EYi++h1m2opR3dDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:36:57.613527Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.1396","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31b33f9cb70e4aef82ba114e0dc024ffbd55595bd7ce430679929790a0acece7","sha256:481466beff368bef90d6e80d60dc05ab7114e80fef386523446077896ca647f5"],"state_sha256":"d0501636c69efcd112e0251f11b2afdb7312a2cd44ce4cc58bb6571aaff86005"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nKlAk70mBl80OAmacjEVdLnf+L27/Hm1YKB1BBjeIdljoKn9STnl8ShYSb8dgfOyzJoMzoSc8KBsewklkl7qAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T01:45:35.623880Z","bundle_sha256":"1513c2fe50cd13ae4f53ea0dc3a75e13b42cfb3087ad20262227984550d5f363"}}