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 0xc3eb9fb5b6e27e017d0720bf22c52206cc3bde6356b0c4838dabba2e688bed7a. Chain 2 (Bitcoin): anchored in block 954587 (2026-06-20T19:10:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bb898175-37a3-478c-a605-0379cdb6f8bc.json and https://artists.proofprofile.net/proofs/artist/bb898175-37a3-478c-a605-0379cdb6f8bc.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 0x977b1645a2a9f3afa9dd86eef0f1caa4532ea2ec2ae5cbc0992f360a8e42b0b0. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USUYG1528007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25927a3c035ec451dc96f251a1bcff50297b94071dc14d3363f7c330a66801c4. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USUYG1530119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ecf40b35e6d9e609f98ac90222a5fe7ac9a132353fb12b3204b94a7a5a10300. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USUYG1531517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea54e7342786d00965c0d1ad26d9396106e6fb610b0bb28b6d82ccb852758118. 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/USUYG1531518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73e6832689875706602f4d8a48cdb5072ae040d8dc6bbced8286a607124f31c. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-21T17:18:20Z), 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/USUYG1531519.
I Could Be The One (feat. Big Eph & Lilcadipge)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbeebd100ac4eaaadf2b6cc564ff7671bf87db638653768974e159ec522a6e86. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USUYG1531521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a33ca095918319c64fa8b98322db8ce4f1100dd4b79b84deb44a677c4205534. 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/USUYG1531522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1735c26a36bdbc369980f1cd068ef0101feb1325e7d548697c38d4f5d685d69. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USUYG1531525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa02d598f87335cfc218c028c83fd7256caad6eaae543f2cf5c340c87d7e256bf. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/USUYG1531520.
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 0x097bfbc960f0027d41a62061b20191672a7db558d7b5a5a6dc5058fb98ac16da. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USUYG1323550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x535c50c0ccec43a9344dd30232d10abb19de44c9147fd631d5bd45517d93c7d1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USUYG1320938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x266698d6652e6dee79df7d7b39d54079cfdc552d4e9e4416e8eac1b257f1ab6c. 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/USUYG1323551.
Look Up To Me (feat. Joe Moses, Rucci, Mike Wayne, Ackrite & Da Nosta)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc77e6e7a101214016dddf9f3a85d72f0bdb1b864edc474b65305e97e39d4719a. 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/USUYG1323552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe82a3496c3518b111cad9c0408795b4c743f7f934650404de8dd9c48fccdeb1d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USUYG1323553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb6750fbf7e896d0ec65b66d653ec1c28c5415e322937986986cda39d2dab982. 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/USUYG1323554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed5a0807605bc28dac86c6b3347fe504707bfd7552d848294d424a8150d5398d. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/USUYG1323555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa5771be49b5a03367baef6e93eda29e19221daec4dca8ad0613508389c71ecd. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USUYG1323556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd18d0e1001de30133e22e44fa577950e1230be54efdee0143ca48c469bc85662. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USUYG1323558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfee43be3a57fbcf3b903bf2bb030c4a45ee197713e0fcc77736bb887638c3edf. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USUYG1323563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d70749237db1c70c709f22b0679a54e76ab365465077b7145db8d5c7f385726. 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/QZFZ31998056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a3cc6f1b1893d38eb5a8827a9ac233c37edd38bf3ce71b65e5f5cf13d8d924f. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZFZ31998067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9627389d6d72d91a5c95131a1d1d6df929df8e91caee1158714cfe868ee7ad. 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/QZFZ31998054.