Polyenso is an American experimental rock band based in St. Petersburg, Florida, United States. The band is composed of lead vocalist and keyboardist Brennan Taulbee, multi-instrumentalist and vocali
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd179d35553ae20c00e07aad03fcffc28613f2330573d6d08d7c2a359b964b3b2. 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/f49ad3e7-ce63-4e37-b135-58d8b621acac.json and https://artists.proofprofile.net/proofs/artist/f49ad3e7-ce63-4e37-b135-58d8b621acac.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2c89f92ad0568e2718bca52fac03e559ef8718ec0a59738800651f4e9aa83af. 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/QMJHG1300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4e1f7e637afe196607711a7dfbee6928447233878c6a4b7df9fb4988cce63ff. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QMJHG1300005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77cc659f6c6a58e5bade2d5b5eb9f440f794b7e83e58fec8ff19aa5a094bb37a. Chain 2 (Bitcoin): anchored in block 957695 (2026-07-12T11:16:12Z), 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/QMJHG1300006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3db020f8d96b515d7c5fc796a3c6e4c041284e9218ebd6eb23a10bc34e93a85d. Chain 2 (Bitcoin): anchored in block 957705 (2026-07-12T12:50:42Z), 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/QMJHG1300007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37c9a4fd2dca1b059785fdec826ba086d7e93a7389d59d9034add1fe61ccb912. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:37:37Z), 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/QMJHG1300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11e9fab58c244b57bed96762de82f3f9e0b73f10707a86af7fff6bb26ad9fe01. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:30:38Z), 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/QMJHG1300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x216850273c3bc1bb95880e2dfd9b5b08f06699fd0e74c7fcb0ceb992ea874454. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:18:15Z), 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/QMJHG1300010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e73601b0bb5a9eada7177b9ad125c47efa0a33edfdf042950db4a571e78e5d9. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T03:28:21Z), 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/QM6MZ1850033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45296dfa6ea93f983c8a000c6cfc9a604090b1cea0c6f56932de8bebb69cafb. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T03:53:04Z), 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/QM6MZ1850035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7ee90840c37a1cb2dc6ad4e2f461f6edbac7da840d38beba88e9a7ea6cd14c. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T09:01:10Z), 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/TCAFA2079804.