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 0xa7e7895d52e35d447e8db5808f9a040dd1660c01395f86dd0b33ca012e3646a1. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6a7caf2f-85e9-4831-bca6-b28ede6e05bd.json and https://artists.proofprofile.net/proofs/artist/6a7caf2f-85e9-4831-bca6-b28ede6e05bd.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 0xe075444db4623ec340745fc7fc1da31094eb8cadf89f9b04118b549406f570f7. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/USDY41527327.
What I Meant To Say (The Polish Ambassador Remix)
What I Meant To Say - The Polish Ambassador Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd1a6433ffc2a4e28665bc96c725dd0ab81caf2c3f398c05850c64cfe2650f33. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/QZC5T2100100.
What I Meant To Say (Jackson Whalan Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c0c39cc1515f2aacfc878dea97939068d1b4ea770ddd3f2126187aec2bc257f. 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/QZC5T2200124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x828e4b15527711bcbff787232aa97eb8dd1b287b970d733ef37d3a34cc317ebb. 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/QZC5T2200125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a228e8bd0f4bf08cd48123fe0375bb9231468481146d5370bddc58dc442e36d. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZNWZ2461339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9449530fd61ae5226a0d0c1adbbe57afc94befc3fcde705e969610310ee0bdaa. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZFYZ2480747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e39f6b0d0d0d485eec9ae3387f98bfe0749c25e219e117c79a9c132b0b6ecf4. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T12:55:06Z), 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/QZHNC2430321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6dc0f220698da3c6b76a018dc5e195f8eb4c03fa4d6c74f8c54ac3449a9ef8d. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T17:24:44Z), 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/QZHNC2433867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1da8f14621fb582211fbcfc9bc41fdc21eb9b245beadb13ce7a1dc61aa51d0f0. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QZWFE2365323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13024b9a9336f776b77cfeff64d9aad16a0856f12294cf6e3f4d28687167cb90. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/US6QR2400042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5767bbf3531d43c9dbceacfcc3847db713d0b60fed7b1ee8d2119c6114cbd793. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USQY51760872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b0f558163f6ef238435992320dfb798547972855ffd22dca2b6d3da0ddfb4a8. 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/QZC5T2100065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39d53a248c658fda9419a456486dde453889d0b2c61e6bb8d619e02fddb2ba51. 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/QZC5T2100009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x996b477d043e72250140d151f99ec376eac281876e59b754c6c06ddb6e9b1dcb. 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/QZC5T2100015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d8bd83c63dcafd08bbeb8be176b8cb7efed5268250cecc1b5e4285f5cda26ae. 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/QZC5T2100118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x500556c314d17a914565f5ab7dce4d8caaae6687bb4ca106bbdde47ae2d24f55. 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/QZC5T2100028.
Center For Kids Who Can't Dance Good - & Friends Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7b53aa343d2687bd4172ad84f2b44a5ba22452694a2f3bcc2f9bd3112b424eb. 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/QZC5T2100024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79bb96406c0105c85e97b4e8a0066dfd3824ff0fcd80aac2858490aff4c0e2cd. 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/US6QR2500032.