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 0x04ef752b6aad49e9f786fd5866adb139c8731502fa83952b4959dfe379b475f5. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/96518a6c-41c8-4392-93a6-679c23876947.json and https://artists.proofprofile.net/proofs/artist/96518a6c-41c8-4392-93a6-679c23876947.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dope, Guns & Fucking In The Streets: 1988-1998 Volume 1-11
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 0x7af7dc5100994512e462e2c580278b1c69131293d05be3b7ba639d9f21b53c1a. 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/USY251525715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dac95b74bdb9b5574fe3c6c1256735bd268f2ff0a2b6f94d4e11358327b53d7. 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/USY251525745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x867b927d70254d47dd6600852fb0e9d924ceadac689b29e642c0dcc49dbf094e. 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/USY251525717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29daeca4b4075df5733c80d5501b8df5f493f17043200094907bdc7de6b83520. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-07T12:58:18Z), 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/USY251525718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe87b5b7b782e094e8b97661e6216082687d15c5531ef5aebe3ae560ddea5a2be. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/USY251525722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd1f4ea9d253a27f0cd52a479fc2d164d82ecfc18c629aba4b9fcd4a3a1cfbe3. 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/USY251525723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76d628f99826145b8f1daee5c31e07ee91702e875c05c7380e801444b5ede377. 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/USY251525753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcac5ce14ae042fbd0da4087ae4febc8c5f97f1085993cac5794f72406de8a23c. 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/USY251525755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f92beb46f8e7263701254fdcb94f2bbe3e19548c5e22c5a4764b898d8a5481a. 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/USY251525728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa89902f85d89ad41ccf99c2b7a0351d5c73fad84ec9f703fbadd7c919e64481. 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/USY251525730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc28d951fd02ad9e3473e3829501157aef3738956af451d8a593c1040c3a6dc57. 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/USY251525732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91fb718a978d3e30c768312f96f03dc2e4bb26fc310cf4b6bfa737e2e1f0fdf7. 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/USY251525736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7903dd4c88b171ed0e4cdacc1ed11fbe95ad40c0a49d714f354fe972440d9ba6. 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/USY251525740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed3d2ad3df8991b4c2836a3800f4f767cd94acbd99f424072fd510a63564fb17. 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/USY251525743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaf649cc7854c19d2a48564120b79866d834036e5e7d3f4241026867d41ac631. 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/USY251525744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00c3f60a4219e85f67f08d97f5f736e5c5d1d6461df2245617252fcdb9bd249c. 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/USA560509626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd826e6b24bdd98fe057e1a487ef3dcad85f84135741ede8eb474480f1f4f70ce. 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/USA560509627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa41323060827d5e8bdd89b1c8fd055d4806af2952f3439f6c90f66c9c43948a. 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/USA560509631.