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 0x17c41c87a14137c74cb897a372b5360eeb316734bc912ac6ffd734d6b976779f. 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/ae012e8a-2470-4bb2-a854-f26ba446acd2.json and https://artists.proofprofile.net/proofs/artist/ae012e8a-2470-4bb2-a854-f26ba446acd2.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 0xe7d620e2b3f8a922bd913332b60d6ab1b7b13c5c39beb4b0905a4d31d2545153. 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/SE6XY2181207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b8803995c65aea7b13d449c454c5eef7957a9b12bbefaf88ae7c1737e2ebbf. 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/SE6TI2197879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaec9982995fababc5b7604c7efc560ad6b5465ae13ab50d34b4a5dfe8134627. 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/SE6QE2184464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4ed20f044c727cb23d1e6aeddc8240dedefde69bfe08f8218f6282cf0db32f2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/SE6TI2063719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec7c1ddbe426bb04e92973b1f77b5f3d76a9a42615fc2687539e1ceaa786ecf7. 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/SE6SA2050168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9423bf945599eedb8b38ffd8d8a74f37aa39bc2345f2a89dc120c2941407fd2. 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/QZS662188622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3164542aaa8143e5b831b5d9d3dd6d3d3a60c8cd54942ca615833d75db5821dc. 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/QZS632172424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cff1429bf37a7002441d5229306fa7ee1f6a75c8e607f1ef6c56bab40044c8e. 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/QZS652149960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf63bef3256506ad07263eb1353e2ab1bda9cf6d77965958223620f38563c1b23. 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/QZRP52100319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabfaa9f6d92559d3653a969b654071c5565b3ba0f110741f4b8bad9fc74d26d5. 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/USLD91738113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86c769915985689efb074d109455f5391dead139dbd3cae73e670a86fd31d4db. 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/USLD91737803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bda2bffe85645c326f712e947e776803f264623c2d0acd501afbc22581ade5d. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/USLD91738756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa056a140be6cc7c0962345fab69f8791cf6185dfe9e916a444fdb7f56a2bdca6. 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/QM42K2193214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d09382bd9f599824a44ec2fa8a49d265bb6375f66105192d7d7e28bb781b69b. 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/USLD91737104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d017c8b4a7cfbaee4b23f09a6f496e35a6aeb90b79a21aee9d86c06f9b486c. 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/USLD91738758.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb39262ac4f5ee1c3a20d7b021e31e9bb3d25dda35c8a15bb5f4f69c894e291f2. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USLD91738761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad8689e5bd8e9212f075baf513135561aa11022462041e290b911f2bd0f526c0. 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/USLD91738762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ffe0f60bb2fee3b79b3d5eef75fc0e822ff71e177338447482beb7c92ca0586. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USLD91738763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf63bef3256506ad07263eb1353e2ab1bda9cf6d77965958223620f38563c1b23. 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/QZRP52100319.
OKAY//LOST (feat. NotNevi, kiwifrooot & Lando Senju)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d09382bd9f599824a44ec2fa8a49d265bb6375f66105192d7d7e28bb781b69b. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/USLD91737104.