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 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 0x7421bcf54cf8f13430a3c1d5df4d5feb35c7393647aa3fec1765a9553af9f296. Chain 2 (Bitcoin): anchored in block 953641 (2026-06-14T13:54:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3bbf4424-a56d-4bc8-a43f-49eb51e43491.json and https://artists.proofprofile.net/proofs/artist/3bbf4424-a56d-4bc8-a43f-49eb51e43491.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 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 0x59817b4948e59a971679e365f6a940dbcb7b7b3e21b2684339fe5547c80c6a15. 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/QZK6K2389159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7ece4d786ffa216cdd248d9cd50961c39ce5d1486c13143d41765a23a6d8b04. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/QZK6K2389160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56671a0137bde6e807a87832a29904dcdd8a5cf1c8df6f12c5ad97e3aed50ee3. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZK6K2389138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76cf59ac140c78de0e97931c869d700045d6d12346ca821aa49a2e872b40c933. Chain 2 (Bitcoin): anchored in block 959054 (2026-07-21T20:19:31Z), 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/QZK6K2389139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bfc7d6046e9f1daf4d64eaaaab62c4b65106e5392b3509b4931961883f6f55b. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/QZK6K2389140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63a57db143ec69cd3be6521e7e9ebee9901d1f38784f67632124350721f80eb9. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZK6K2390475.
Shitbrains and Controlled Existence Split 7"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c6ebfce530cb077dc7fe9ff40f092873612dcddded7330b697356977f3c2b74. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/QZK6P2218131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd173d77ee79aac3de6d997b82a79241f9478d16d2765821f89a387d9e34fb6d5. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T21:08:39Z), 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/QZK6K2387561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7047398ecf016820b3cf143e7370997d1e977a4811421bff1cc8d29ea09d2764. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/QZK6K2387562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x526255e6bca5f68619d09821eb579ddb42fb55e43758d97462f7192c735d4e83. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/QZK6K2387563.
split w/ EXORBITANT PRICES MUST DIMINISH
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ea753f29828ed1908662846cb6b3990785e71d761f1f6d2c6fd1997308d1c59. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZTB32587085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26760407ea9653cd39e2854c57d757f8d5aec0e7f02947e766c4c8c7d8aa9fbe. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/QZTB32587086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6441679384215f35d1df9f9a01fed963d3acba49b693290c5268a21a4c2a365c. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZTB32587087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdab365e1adf5cdbea757a2f17dca1c1a359ac94cb25bbb03a719f245cb4a5c31. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZTB32587088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5260fc9b55ef3f2ec9b3a97509769ac06b32b1bc2f2fe618caca3ec59cfb9e7a. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/QZTB32587089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3c3b5079127bb6f06b001ccd2bd92091a503f75a9fa8a079d1444546a08a44e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZTB32587090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d26a885f30a182c5faea837953c6bc7cac317a0da529b077848e8cacd2091c3. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/QZTB32587091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x176346088b5387294ad8d8d13a664d1630be9e1b45c2fcc3412a069112e973dd. Chain 2 (Bitcoin): anchored in block 958864 (2026-07-20T10:24:04Z), 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/QZTB32587092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dca7a29d49281cbb9d948dea74df9a41600afbe80399d747d86a1ee1dd3f2c4. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/QZTB32587093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x525ae8a4b69076559edd9493e24b6675c5d5040ea9b07bc86094774ea7c6e6ea. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZTB32587094.