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 0x1995a33f1755f4dfba0c80251f240aba63f647f2b012a1386954fe9ffbf2d398. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c1375534-05fa-4781-a60f-53f84ec8c001.json and https://artists.proofprofile.net/proofs/artist/c1375534-05fa-4781-a60f-53f84ec8c001.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 0xb6e0f038b83d463dfcc785e700cfb4b24dc81ce4d2309a0691245a57c28c9893. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZHNB2237827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78d1ce1645f72fde7d3cda1380c48341a5af7cbfc82a101c80ae678f9ae09a20. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZHNB2237828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x167015359958c83dcf926e94849335febd7bade2974223667493e5911fd36226. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZHNB2237831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d218510d479e733f8b674432d75dea83fe36a54464167e39153ce8b12c0fa56. 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/QZHNB2221585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69598d691775b6e7bbf2235c4e10522fef4459dfee4ebe567fac601783ccd957. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZFZ62380444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa565b070861e5acf46f3e65e1f11a74d7e03681651500198ce10abf8285dbc4b. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QZHN52386394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe522e2f382a8643e40173c467bcc77770c92767cc9c7d9e35a5da4e0272c8c35. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QZHN52386395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x805446e8ffeca32dbceeb886d25d3d69943d87d39c36ae3f88b5d5bd9e5cba49. 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/QZK6M2331957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66b53ad28499cd24d2317993ec959694014044a9489aa888c7c994504cae99cf. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZK6M2331959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa94d7c7f839292fea4e6c7801854f72c5c7b316b3becb37777f89c4e07a91fbd. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZK6M2331960.
You Hate Me that Much, Huh? - Slowed + Reverb
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0308683f052c12dd453db37939ef89c2a93da88a6384637716595522b9d4ba0d. 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/QZTB92342456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15be831b0a52734023015d9410d6918bb3da7a30d87c98db70c48ec5cb575c89. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZTB92342458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc06d8d5cc77f470841e1c052bd87bb26bfd181a7e0b0d3f5c8080e730584392a. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:18:01Z), 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/QZNWW2405427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd06fcc73f221fcae6475c8be16b27f5e30fa0a8701138a3be1b30ebfdf8761f. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/QZTAY2446553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab1d420cd6f91fc46d03887cc528884f034a340b9fad34275466613f2fee81d. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T19:44:38Z), 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/QZTAY2445221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5aa93d20efd2cd1421550c307a223f60e7c422fdf90145b3c400d12bcd925e2. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/QZWFR2409841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89ac0011b0fab2b3866c88df72d6f5704353b7beeae13ca36f43ebe180cf470b. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/QZWFW2417641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21206ac0ce044ad54a10bf5fc8355bb3df90ef31dad7d92ab47d80e9c7b53431. 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/QZWFW2417645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ce5bd5347696f14592c0706d9b3545685011b6f02ad5c10b51dbf2a115763e5. 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/QZWFW2417648.