1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xaf7db4c7f9c9770786654e0b6473f5a0d203ef76ecc9def0ff1a6659d72b27be. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/210b279f-62a8-44aa-b0f6-420abc5b604a.json and https://artists.proofprofile.net/proofs/artist/210b279f-62a8-44aa-b0f6-420abc5b604a.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 → block OTSBitcoinBlock must exist at that height 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 0x9e6c05f4e8d5298b84222a8d4c38c247e981fd48cfc21902609fd3ec48c40246. 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/QZK6F2460417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea390ba4afde40c90547b365a8264d6873499befe3b1d9bfce747fdfa5a06c86. 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/QZK6F2460419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b7f63df4a0852594bb686e52005d9a06560ba972957a69420df5ea712f0b5ba. 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/AUGBT2435399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a6d93016289a30803036053469ec047de5e67fc8522589c4c2755d9a535fed6. 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/AUGBT2435386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5026f944f98d672a86411ed382a8abfc4e4bb9983c11d3bf11fccbfea2e514a. 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/AUGBT2462152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc757648dab4f70dc257dc3775c97c742545e053a5e0c22a5ad4b4dbc2f9e8e01. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/AUGBT2462158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb98b5432f9e6ad772b0bc0bcfa13af8fbc88e4d914a7a7c818a2b659f520898. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/AUGBT2462159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa623cd66d566b5337d7ace88acc8812ddf21c17ab19ab7e2cc4ec94697bc1136. 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/AUGBT2462165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b9e4c404e8de972676b5e4d73c00fdb74dbf6c68363889c5e5b25392ef88d71. 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/AUGBT2462166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8ea027642feb0d37ed82333860b02850b6d3078ba8646b8afd473b7a2a5537a. 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/AUGBT2462168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb65376afc439551017fb588f0275ec25f0e5aad827ee3132a6d3651f3ad3d66. 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/AUGBT2322118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40a6d93863853a1e460db513eda2a2a2751b1e1f720b8d716f6ddec6b6338f85. 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/AUMEV2402997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ea374f2d9b3102b7484094da22ba952d033702aa2e09a527cf8bcf227d44a27. 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/QZRP52406134.
Good Haze - Prod. Eddy Rotten & JUAN THE FATHER
The Balance - Prod. 2beat, Veil & Mellow Thing
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2886ce8c0a2832ff7c7fd40109c86aa74a0f5304a1d51ff9781d212be395117. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZTBB2421340.
Make No Mistake - Prod. Mellow Thing & 2beat
w. Ease - Prod. JUAN THE FATHER & Mellow Thing
Purple Skies/Strum - Prod. 33 & Qloqwise
Everybody Hates Chris (5 Year Anniversary)