Locust Grove is the name of a number of places in the United States of America: Arkansas Locust Grove, Arkansas Georgia Locust Grove, Georgia Indiana Locust Grove, Warren County, Indiana (extinc
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31fa85cdc1c30d1bde01464eecc05fbf2891f0b7aa4d14ba9f55d222e5817c93. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a41c3092-b5a2-4141-aabc-b1efdf446770.json and https://artists.proofprofile.net/proofs/artist/a41c3092-b5a2-4141-aabc-b1efdf446770.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacfd30c72f60a903d7fb280bacdade459a7f5c7e9b3caee0092744e4f204161f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGC2213353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd86af1226dc6230d32a90d972794914db548a5b765b52f2e75ada70a4a83ec29. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGC2213376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd9ea7a2f07d9fabc1f477e139a22a9f67ad82a2fc1fbd9136a3cbf5011f750e. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGC2213407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cad8439fbda72919a81aa0dc3a80e2176be2e6c71adf46a8c35841ee83ee668. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGC2213420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x216b1d4d711c546757d79f5b843b00e3ad089dc6a7ef2dc26253565125ddf2b7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGC2213442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70a0c8e684dbb56e95adb7b568378378ab442682f5234570625798d2fb636d7b. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGC2213520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04e356b3c19dade6ab60c12d5d863042a20aadb855c2ddb3332431abc671d684. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGC2213557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f86bd994b3c1d21a87cd34b74f7bdbdbcacd7dd9b2a11c2901aac57cc805023. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGC2213581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4df292be7cf8a0d37d71fd227325da7a5deafb02fa86a2ac4b6b7547f87d15a1. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFW2117105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe711f9832c87cd49216c16dfe801403067b86748b254a73c2ed7d9b68e768991. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c035c6059b56e87ce3f0f9e614dd1d9bb49cbf407d6a32406d915c01227c0e5. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c0c5d4b58e603bce19d79a612035a5f5e76e1fdb38d9a71c418273653859ff3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe72eea06352dc1b24c0d2b050b7caf4fe1709ae89a00fa938aee906f5f63835. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc930ffd29f1ecada3197ce80c1710bb50f1f02a351644b010718b3dc1b5da3b2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778102.