Rew or REW may refer to: People Rew (surname) Places England Rew Down, a nature reserve on the Isle of Wight Rew Street, an Isle of Wight village Rewe, Devon United States Rew, Pennsylvania T
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 0xde69f873baae315f74ff1917debe4aa6a24c16813754f74e40620b612718be9d. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4eca0434-d53a-4297-ba23-59f99f8b052a.json and https://artists.proofprofile.net/proofs/artist/4eca0434-d53a-4297-ba23-59f99f8b052a.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 0x4540f876fb83390af397ae4bee41790daaf740767805425fe906efdb602e317d. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/QZDA51996289.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85b4bb3c809642f8af00e3029b2ec773cd5aa95e0456c638a14b47fb559949e3. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/QZDA51996290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d6a66be3c354f35d804a80d398792bdfd0ed7f5e3ae3ed0dda958f853ba914. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/QZDA51996291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5294be96a9d4e02e295aceb1298253365d6b8bbe408c7aae9d1258b2ab5b016. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZDA51996292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacabf67b8ea75c9d2974a0974192d589e2ea3004449ff5200e9c6a5efb405504. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZDA51996293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05f45684a72db6603b7f0327be3d34b921593e789980ef59821d5664bbf09c40. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), 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/QZDA51996295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdde9b06b17ebaf05c3a24996f58502da132554dc6284e16b4f5222d79664cb9f. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZDA51996297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25348f63322543de7d56d46098311785417bfe491ad94243b872ef28b5fdb28c. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T10:05:23Z), 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/QZDA51996288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7b6646e12a6fc3050b04bbff94db3f5e9b46a621f875dd357a0263ac5a43918. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZDA51996294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23dc126e9e3d164c3f00bb5f7f4101033633830306e78dd938c42228c9898c38. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/QZDA52046412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x995a9a6fe7302744cd343d586a743f29f367ab6d07974dc6499ecfaf31012168. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZDA52046419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x948551890776d3be3712f77b6bfd8bf9786aada28df45a9d88303d407b03c426. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/QZK6J2113334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa09b8eb31b626fcf16c3fb097b55abe78b781e3c3b6c8afd2c47405b7fc597f5. Chain 2 (Bitcoin): anchored in block 958590 (2026-07-18T17:28:56Z), 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/QZTAT2145038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa32e7904054ebe2f26c0c99755c9390a57ad3fb3d020c9f71555e6b5a74336c8. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZDA52297832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b50546694b3164969b1e686c2c994fd8046329004fafce52476193a74dd3025. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/QZFYZ2506765.