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 0xff9b231422261f898cd43d0ec5f95b0d25fe4749cd92b8afa4647ffa1f76b44c. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aeaeb151-88ae-4ff4-b09c-ebe376b7043c.json and https://artists.proofprofile.net/proofs/artist/aeaeb151-88ae-4ff4-b09c-ebe376b7043c.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 0x28ce09118bfccc30fc8fe714289709366abe76b9a4ddb5c9c1a8cf0069f50114. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), 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/QZMER2057745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x725025c5c39e813a7e97864c16b6190ebbbc47f984419fa07cc3403982b3393b. Chain 2 (Bitcoin): anchored in block 957759 (2026-07-12T21:46:51Z), 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/QZMER2057748.
5 Little Speckled Frogs in Farsi (5 Ta Ghoorbagheye Teez)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5e7d45b2abd7ac63cf016534f44472eb321b9a595b12d0e8e0204245149776d. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZMER2057749.
Itsy Bitsy Spider in Farsi (Ankaboot Kochooloo )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f33924136cadef81f884fb3e5ca40242dfebf651044f8fa01d4c065176d8f8. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), 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/QZMER2057750.
Wheels on the Bus in Farsi (Charkhaye Otooboos)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0bdf9d2d8d4d65b6c9ea2d31691108bac3fcb1c8331ad7fa63c09fa76931441. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-17T03:45:15Z), 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/QZMER2057751.
Baa Baa Black Sheep in Farsi (Babaie Siah)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20e6ba8d4df91f1bc4a0679f7afe53b5d9e2413c06ef103e4fd18e4d506e5752. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QZMER2057752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2e7f41e6f21d2d4b15b536e5d9c9b1a380791af4c05987fb3a1c0bc2fdeac7c. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/QZMER2057753.
5 Little Ducks in Farsi (5 Ta Ordak Koochooloo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed70377ec3dfdd5b2466fa31a8b1aa68e01e6e97e973474c0a4d35b78e00faff. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZMER2057754.
The Animals Went In Two By Two in Farsi (Keshti Heyvanat Persian Kids Songs)
Rudolph the Red Nosed Reindeer in Farsi (Christmas Persian Kids Songs)
Old MacDonald Had a Farm in Farsi (Piremard Maz'rae Dasht Persian Kids Songs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62d394bbca7b547843345bb81c79489b290f8bd32cda9db62cbcb2ba642bedd0. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/QZMEP2138040.
Colors Song in Farsi (Rang'ha Persian Kids Songs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58d5b22e21ad5cf25f2ec2d63f99a5c4e8a536ef1c37259516a1e8aca7271730. Chain 2 (Bitcoin): anchored in block 958800 (2026-07-20T00:52:19Z), 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/QZMEP2138041.
Numbers Song in Farsi (A'adaad Persian Kids Songs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1afdeaf9fae4260c57bf120a2fecc81f7f3263687f23b5d8f8f4674dc61fec27. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T13:31:50Z), 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/QZMEP2138042.
Down By the Bay in Farsi (Kenare Darya Persian Kids Songs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2141d4987d07eb8c582741e26305e345eee90f58ce15ef65498e22962b40f1c4. Chain 2 (Bitcoin): anchored in block 959069 (2026-07-22T01:27:27Z), 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/QZMEP2138043.
Yalda Night (Shabe Yalda Persian Kids Songs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x708169ed38629749214199453b38fca2095352efa0024c2d8c290338aa63ec07. 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/QZMEP2138047.
Row Your Boat Lullaby in Farsi, Baby Sleep Song, v1 (Ahang Khaab Koodak, Paw-roo Mizanim Persian Kids Songs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x480ac68252da54c05a92b5b1da56e05e458c56f1f38cafb7448028f9ae403c42. Chain 2 (Bitcoin): anchored in block 957766 (2026-07-12T22:25:04Z), 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/QZNWX2485576.
Twinkle Twinkle Little Star Lullaby in Farsi, Baby Sleep Song, v1 (Ahang Khaab Koodak, Cheskmak Bezan Setareh Persian Kids Songs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f7cacc010e764194381abc2db91fa627daad3b76b0b0078faa41daa678ddde2. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T19:19:13Z), 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/QZNWX2485578.