{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:XG5YWNHU2I3WE5CMHSHUQK4OVH","short_pith_number":"pith:XG5YWNHU","canonical_record":{"source":{"id":"2105.15146","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2021-05-28T09:38:01Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"73970682c25e0b1784bc5d684ed9806229156f97bb31b0f6898b4efddb8a67b2","abstract_canon_sha256":"c8d4736882a99a2a41c3cae753ed493d08ec73e54fd86c3c25291b82689ce3ed"},"schema_version":"1.0"},"canonical_sha256":"b9bb8b34f4d23762744c3c8f482b8ea9f2f3a0508dc6e52bfed53dd184c6e84d","source":{"kind":"arxiv","id":"2105.15146","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.15146","created_at":"2026-07-05T02:44:45Z"},{"alias_kind":"arxiv_version","alias_value":"2105.15146v1","created_at":"2026-07-05T02:44:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.15146","created_at":"2026-07-05T02:44:45Z"},{"alias_kind":"pith_short_12","alias_value":"XG5YWNHU2I3W","created_at":"2026-07-05T02:44:45Z"},{"alias_kind":"pith_short_16","alias_value":"XG5YWNHU2I3WE5CM","created_at":"2026-07-05T02:44:45Z"},{"alias_kind":"pith_short_8","alias_value":"XG5YWNHU","created_at":"2026-07-05T02:44:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:XG5YWNHU2I3WE5CMHSHUQK4OVH","target":"record","payload":{"canonical_record":{"source":{"id":"2105.15146","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2021-05-28T09:38:01Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"73970682c25e0b1784bc5d684ed9806229156f97bb31b0f6898b4efddb8a67b2","abstract_canon_sha256":"c8d4736882a99a2a41c3cae753ed493d08ec73e54fd86c3c25291b82689ce3ed"},"schema_version":"1.0"},"canonical_sha256":"b9bb8b34f4d23762744c3c8f482b8ea9f2f3a0508dc6e52bfed53dd184c6e84d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:44:45.387407Z","signature_b64":"Qtw/4Fi+5EJaUKTYmipc+TpIP77nVmKcMqJv/HiFwwRY9bjZgsirn/KCAOTalBlDfk9/5+jl5JDyxAxdwAzKDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9bb8b34f4d23762744c3c8f482b8ea9f2f3a0508dc6e52bfed53dd184c6e84d","last_reissued_at":"2026-07-05T02:44:45.386977Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:44:45.386977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.15146","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":"2026-07-05T02:44:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rgk1Q/v/XdbCkMdt2FCI1k+i6tsmBVGyqxZ4+suUc3KD2iHnZv8IhefFrkwAbgi0rRSftvJ72I85rEthqHSdDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:22:38.149521Z"},"content_sha256":"af80822a8fcd832ca0692895136e6f7c51c70d60dbf1c9b6d56bb2fb8e470a62","schema_version":"1.0","event_id":"sha256:af80822a8fcd832ca0692895136e6f7c51c70d60dbf1c9b6d56bb2fb8e470a62"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:XG5YWNHU2I3WE5CMHSHUQK4OVH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravity Cannot Cure Quantum Mechanics of its Malady of the Collapse of the Wavefunction","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"quant-ph","authors_text":"C. S. Unnikrishnan, George T. Gillies","submitted_at":"2021-05-28T09:38:01Z","abstract_excerpt":"The speculation that gravity is the key to solving the quantum measurement problem has been alive for decades, without any convincing demonstration of a solution. One necessary factor in the relevant proposals is that the gravitational energy of mutual interaction, which scales quadratically with the mass, facilitates the spontaneous collapse of the wavefunctions in spatially separated superpositions. Relying on a simple physical input from electrodynamics, supported by robust first principle calculations, we show that the speculations connecting gravity and the hypothetical spontaneous collap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.15146","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/2105.15146/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":"2026-07-05T02:44:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6bvYDXeXvuPBjJL0DsePUM93X1P6hWnPM3TWpjjGan9bVdffgVzw3reo75gm7jbOG1JUyQw/KfqJNC7fcM2xBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:22:38.150108Z"},"content_sha256":"6eb7c199c942014a05e1412286298d6f9f4b002137e423c2e467784260b85298","schema_version":"1.0","event_id":"sha256:6eb7c199c942014a05e1412286298d6f9f4b002137e423c2e467784260b85298"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XG5YWNHU2I3WE5CMHSHUQK4OVH/bundle.json","state_url":"https://pith.science/pith/XG5YWNHU2I3WE5CMHSHUQK4OVH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XG5YWNHU2I3WE5CMHSHUQK4OVH/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":"2026-08-09T01:22:38Z","links":{"resolver":"https://pith.science/pith/XG5YWNHU2I3WE5CMHSHUQK4OVH","bundle":"https://pith.science/pith/XG5YWNHU2I3WE5CMHSHUQK4OVH/bundle.json","state":"https://pith.science/pith/XG5YWNHU2I3WE5CMHSHUQK4OVH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XG5YWNHU2I3WE5CMHSHUQK4OVH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:XG5YWNHU2I3WE5CMHSHUQK4OVH","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":"c8d4736882a99a2a41c3cae753ed493d08ec73e54fd86c3c25291b82689ce3ed","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2021-05-28T09:38:01Z","title_canon_sha256":"73970682c25e0b1784bc5d684ed9806229156f97bb31b0f6898b4efddb8a67b2"},"schema_version":"1.0","source":{"id":"2105.15146","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.15146","created_at":"2026-07-05T02:44:45Z"},{"alias_kind":"arxiv_version","alias_value":"2105.15146v1","created_at":"2026-07-05T02:44:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.15146","created_at":"2026-07-05T02:44:45Z"},{"alias_kind":"pith_short_12","alias_value":"XG5YWNHU2I3W","created_at":"2026-07-05T02:44:45Z"},{"alias_kind":"pith_short_16","alias_value":"XG5YWNHU2I3WE5CM","created_at":"2026-07-05T02:44:45Z"},{"alias_kind":"pith_short_8","alias_value":"XG5YWNHU","created_at":"2026-07-05T02:44:45Z"}],"graph_snapshots":[{"event_id":"sha256:6eb7c199c942014a05e1412286298d6f9f4b002137e423c2e467784260b85298","target":"graph","created_at":"2026-07-05T02:44:45Z","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/2105.15146/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The speculation that gravity is the key to solving the quantum measurement problem has been alive for decades, without any convincing demonstration of a solution. One necessary factor in the relevant proposals is that the gravitational energy of mutual interaction, which scales quadratically with the mass, facilitates the spontaneous collapse of the wavefunctions in spatially separated superpositions. Relying on a simple physical input from electrodynamics, supported by robust first principle calculations, we show that the speculations connecting gravity and the hypothetical spontaneous collap","authors_text":"C. S. Unnikrishnan, George T. Gillies","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2021-05-28T09:38:01Z","title":"Gravity Cannot Cure Quantum Mechanics of its Malady of the Collapse of the Wavefunction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.15146","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:af80822a8fcd832ca0692895136e6f7c51c70d60dbf1c9b6d56bb2fb8e470a62","target":"record","created_at":"2026-07-05T02:44:45Z","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":"c8d4736882a99a2a41c3cae753ed493d08ec73e54fd86c3c25291b82689ce3ed","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"quant-ph","submitted_at":"2021-05-28T09:38:01Z","title_canon_sha256":"73970682c25e0b1784bc5d684ed9806229156f97bb31b0f6898b4efddb8a67b2"},"schema_version":"1.0","source":{"id":"2105.15146","kind":"arxiv","version":1}},"canonical_sha256":"b9bb8b34f4d23762744c3c8f482b8ea9f2f3a0508dc6e52bfed53dd184c6e84d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9bb8b34f4d23762744c3c8f482b8ea9f2f3a0508dc6e52bfed53dd184c6e84d","first_computed_at":"2026-07-05T02:44:45.386977Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:44:45.386977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qtw/4Fi+5EJaUKTYmipc+TpIP77nVmKcMqJv/HiFwwRY9bjZgsirn/KCAOTalBlDfk9/5+jl5JDyxAxdwAzKDA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:44:45.387407Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.15146","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af80822a8fcd832ca0692895136e6f7c51c70d60dbf1c9b6d56bb2fb8e470a62","sha256:6eb7c199c942014a05e1412286298d6f9f4b002137e423c2e467784260b85298"],"state_sha256":"55873c12b45d4b7875c0d35399309419efc5d3e1bb483d58935a13d6cfcebdef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iOFkWUbnAEDLHXdPxr4gjGCIS8WW62gdSmyb1OBmo6yoJ3QGxQF71k2rNy85dncmP4dxOW8k5f0nKSz/AWEzAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T01:22:38.154667Z","bundle_sha256":"5be7f8379400017b10ec5e44d86c48c1edb9fda556c77fdc788f46f58c9a2928"}}