{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:M6H7YDGMAEEMR6BVTGRD7XTQE3","short_pith_number":"pith:M6H7YDGM","canonical_record":{"source":{"id":"1111.6516","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2011-11-28T17:08:55Z","cross_cats_sorted":[],"title_canon_sha256":"e4293b5177a464de51f8c582507cc1634ff74f95f6ed5be7f409d4ad38cefc97","abstract_canon_sha256":"787872666e37336818c6ffd67e3d9b0d2fc3845484aadf1c5a60dde88e40ba0c"},"schema_version":"1.0"},"canonical_sha256":"678ffc0ccc0108c8f83599a23fde7026d7188caff3e83d78d259c6ea0e48edff","source":{"kind":"arxiv","id":"1111.6516","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.6516","created_at":"2026-05-18T04:07:29Z"},{"alias_kind":"arxiv_version","alias_value":"1111.6516v1","created_at":"2026-05-18T04:07:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.6516","created_at":"2026-05-18T04:07:29Z"},{"alias_kind":"pith_short_12","alias_value":"M6H7YDGMAEEM","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"M6H7YDGMAEEMR6BV","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"M6H7YDGM","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:M6H7YDGMAEEMR6BVTGRD7XTQE3","target":"record","payload":{"canonical_record":{"source":{"id":"1111.6516","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2011-11-28T17:08:55Z","cross_cats_sorted":[],"title_canon_sha256":"e4293b5177a464de51f8c582507cc1634ff74f95f6ed5be7f409d4ad38cefc97","abstract_canon_sha256":"787872666e37336818c6ffd67e3d9b0d2fc3845484aadf1c5a60dde88e40ba0c"},"schema_version":"1.0"},"canonical_sha256":"678ffc0ccc0108c8f83599a23fde7026d7188caff3e83d78d259c6ea0e48edff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:07:29.741075Z","signature_b64":"CuUoZFZu4cejv0q6l0YBUIYEvFT5Q/cKwxa/lKl2ArnzbH0199pPTJA1sO2PRazTF+N777hrEe8izap1jRrABg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"678ffc0ccc0108c8f83599a23fde7026d7188caff3e83d78d259c6ea0e48edff","last_reissued_at":"2026-05-18T04:07:29.740425Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:07:29.740425Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.6516","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":"2026-05-18T04:07:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xe5tn4/Ma2kowQJO3AWUacNCT4ktLnuny/+t154IqvqfVZd4K3PN4AIO1EjoxuMTwzwuHx7+QNukBnlrPDauAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T17:54:38.239384Z"},"content_sha256":"69d603d756cdad996247825d1b377342ec2b82b571b1bfde23fc316e39c6b0f3","schema_version":"1.0","event_id":"sha256:69d603d756cdad996247825d1b377342ec2b82b571b1bfde23fc316e39c6b0f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:M6H7YDGMAEEMR6BVTGRD7XTQE3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the invariance of the speed of light","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.pop-ph","authors_text":"Gautam Mukhopadhyay, Harihar Behera","submitted_at":"2011-11-28T17:08:55Z","abstract_excerpt":"The invariance of the speed of light in all inertial frames - the second postulate of special theory of relativity (STR) - is shown to be an inevitable consequence of the relativity principle of special theory of relativity taken in conjunction with the homogeneity of space and time in all inertial frames, i.e., the 1st postulate of STR. The new approach presented here renders the learning of special theory of relativity logically simpler, as it makes use of only one postulate."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.6516","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":"2026-05-18T04:07:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7LKxdoaC3vW3q5lWXBrT/e2rMqmvg+KS/GvfhKdmZNhnJVHn8h4Dex9aqfeRz21SOZqDlcNEhneC27MMRvxyAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T17:54:38.239745Z"},"content_sha256":"12e5800979a70fa82135d568c796d45e3042b1ab94d328a2fdb710b2c6a17911","schema_version":"1.0","event_id":"sha256:12e5800979a70fa82135d568c796d45e3042b1ab94d328a2fdb710b2c6a17911"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M6H7YDGMAEEMR6BVTGRD7XTQE3/bundle.json","state_url":"https://pith.science/pith/M6H7YDGMAEEMR6BVTGRD7XTQE3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M6H7YDGMAEEMR6BVTGRD7XTQE3/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":"2026-06-09T17:54:38Z","links":{"resolver":"https://pith.science/pith/M6H7YDGMAEEMR6BVTGRD7XTQE3","bundle":"https://pith.science/pith/M6H7YDGMAEEMR6BVTGRD7XTQE3/bundle.json","state":"https://pith.science/pith/M6H7YDGMAEEMR6BVTGRD7XTQE3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M6H7YDGMAEEMR6BVTGRD7XTQE3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:M6H7YDGMAEEMR6BVTGRD7XTQE3","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":"787872666e37336818c6ffd67e3d9b0d2fc3845484aadf1c5a60dde88e40ba0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2011-11-28T17:08:55Z","title_canon_sha256":"e4293b5177a464de51f8c582507cc1634ff74f95f6ed5be7f409d4ad38cefc97"},"schema_version":"1.0","source":{"id":"1111.6516","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.6516","created_at":"2026-05-18T04:07:29Z"},{"alias_kind":"arxiv_version","alias_value":"1111.6516v1","created_at":"2026-05-18T04:07:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.6516","created_at":"2026-05-18T04:07:29Z"},{"alias_kind":"pith_short_12","alias_value":"M6H7YDGMAEEM","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"M6H7YDGMAEEMR6BV","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"M6H7YDGM","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:12e5800979a70fa82135d568c796d45e3042b1ab94d328a2fdb710b2c6a17911","target":"graph","created_at":"2026-05-18T04:07:29Z","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":"The invariance of the speed of light in all inertial frames - the second postulate of special theory of relativity (STR) - is shown to be an inevitable consequence of the relativity principle of special theory of relativity taken in conjunction with the homogeneity of space and time in all inertial frames, i.e., the 1st postulate of STR. The new approach presented here renders the learning of special theory of relativity logically simpler, as it makes use of only one postulate.","authors_text":"Gautam Mukhopadhyay, Harihar Behera","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2011-11-28T17:08:55Z","title":"On the invariance of the speed of light"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.6516","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":"sha256:69d603d756cdad996247825d1b377342ec2b82b571b1bfde23fc316e39c6b0f3","target":"record","created_at":"2026-05-18T04:07:29Z","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":"787872666e37336818c6ffd67e3d9b0d2fc3845484aadf1c5a60dde88e40ba0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2011-11-28T17:08:55Z","title_canon_sha256":"e4293b5177a464de51f8c582507cc1634ff74f95f6ed5be7f409d4ad38cefc97"},"schema_version":"1.0","source":{"id":"1111.6516","kind":"arxiv","version":1}},"canonical_sha256":"678ffc0ccc0108c8f83599a23fde7026d7188caff3e83d78d259c6ea0e48edff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"678ffc0ccc0108c8f83599a23fde7026d7188caff3e83d78d259c6ea0e48edff","first_computed_at":"2026-05-18T04:07:29.740425Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:07:29.740425Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CuUoZFZu4cejv0q6l0YBUIYEvFT5Q/cKwxa/lKl2ArnzbH0199pPTJA1sO2PRazTF+N777hrEe8izap1jRrABg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:07:29.741075Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.6516","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:69d603d756cdad996247825d1b377342ec2b82b571b1bfde23fc316e39c6b0f3","sha256:12e5800979a70fa82135d568c796d45e3042b1ab94d328a2fdb710b2c6a17911"],"state_sha256":"bdcd3d195baf6534746f303d93d76c1e44880f75cc45e27c9ce6932b8c10e681"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UxNHr30scMZG6jsvqwwGqnVHb87n3YuXF220VxUo6+SkhkjAXqg9DbXx8LkTGZVfcr5JvhTr2gOZL7IVCk9qCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T17:54:38.241758Z","bundle_sha256":"411d223823e10ab12dad77685c352b736e4df6bd07d6b492a0af97b541fe07c0"}}