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 0x5ad1818fac2ce44bdee43bd9a1428dbc32b89af4946896f9eb10d7f0f653908b. 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/4c4ea06d-764b-4696-ace6-14cd7457c4a9.json and https://artists.proofprofile.net/proofs/artist/4c4ea06d-764b-4696-ace6-14cd7457c4a9.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 0x7603a4a348c81781495c2ab84dea415005f585080904c2f1a32084a23750d145. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/DGA0P2377952.
Sourates Al Ankabut, Ar Rum, Luqman, As Sajda (Quran - Coran - Islam)
Sourate Al Imran (Quran - Coran - Islam)
Sourates Maryam, Ta Ha, Al Anbiya (Quran - Coran - Islam)
Sourate Al Aaraf (Quran - Coran - Islam)
Sourates Al Jatiyah, Al Ahqaf, Muhammad, Al Fath, Al Hujurat, Qaf (Quran)
Sourate Al Baqara (Quran - Coran - Islam)
Sourates Al Anfal, At Tawbah (Quran - Coran - Islam)
Sourate Al Fatiha (Quran - Coran - Islam)
Sourate Al Maidah (Quran - Coran - Islam)
Sourates Al Furqane, As Shuaraa, Naml (Quran - Coran - Islam)
Sourates Al Qassas (Quran - Coran - Islam)
Sourates Saba, Fatir, Ya Sin, As Saffat (Quran - Coran - Islam)
Sourate Al Ahzab (Quran - Coran - Islam)
Sourates Ar Raad, Ibrahim, Al Hijr (Quran - Coran - Islam)
Sourates Fussilat, Achoura, Az Zukhrif, Ad Dukhan (Quran)
Sourates Sad, Az Zumar, Ghafir (Quran - Coran - Islam)
Sourates Al Hajj, Al Muminune (Quran - Coran - Islam)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7389afab2246c3837ec7746e7a2e36d4b8a0406034a3217cb93814442787735d. 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/EGA251718303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c6159ce1bf9a364cbd9641230d12b3836117ec16797edc2973740c7449ad601. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:55:38Z), 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/EGA251718291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x040ee2639c47d4c2d295eaab95e00650eab8108504cb986cd4ae38b1d319e111. 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/EGA251703582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb6e9004cbad9d7173f5fad77a55b1f5e86428d14313473ea953077c4bf3c30a. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/EGA252100174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fb592d1b8facdf0b0f5a49e693d30d39ee451346ec7b8821d59033e9b3cdae7. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/EGA0H1503732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1891efd2a5f4040f48d3e221f0f4ffc6d0fd496996888a808128bcd389b6b29. Chain 2 (Bitcoin): anchored in block 958585 (2026-07-18T17:05:16Z), 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/EGA252206593.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d9c1e26353e21d5a82db9b3616ffed7bd3e2e4a1ff9b7028dbcd655c2d3091. 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/EGA252206855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73107c6ee7a81133b75b7cd1b15a45edac548f5037257f5fc4d9f83c67b76bf7. 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/EGA252213172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe91638c9c3e6ddbae821dc9e398cd6377207682e476f45f16c9ded8b09f0b757. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/EGA252305560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5b75107a1e560199b42d6de8d1c6bd26995d843a13b3f7f56fba67d32d1083. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/EGA252400176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe435d0c10df4fc71efecc9bd08cd63e5821887fb70f0f29d23fe90a4f1302e91. 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/EGA262400697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5ee9da383ecd2015c318d24bef7f8606be1ce84c46934f0e3905f00860c581e. 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/AEA142403017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfebcd9a5fb613f0dafd165e8866e8f7f7a6fe2fbc8423daf334ddfb8e85c7c33. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/EGA1K2403183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfebcd9a5fb613f0dafd165e8866e8f7f7a6fe2fbc8423daf334ddfb8e85c7c33. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:47:16Z), 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/EGA1K2403183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fe310aec5e391ff076a998dafe8800eb3fe57ee74d03b78f266b1c98f879a8f. 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/FR59R2522311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd46abc997c0d16f631dc1241b6ac89cffb362454052974851b0bfc149d53e5cb. 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/FR59R2521246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf211f09fc174998a352a672882ccee752a259dc88257bcaca6120140e00fc272. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/FR59R2521241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25458e252ff2b38ae324094f11e8bbe75d6f7344670f5f25cbe471dd172c6d43. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/FR59R2521238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe490bcd68344fed48702bc6321d848373f6e1c418dd0d85b2c7931bef159025b. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/FR59R2521236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd4ca943780b5c8160a96779daa8238de6f2ce381ace62eee0aca10fe465d806. Chain 2 (Bitcoin): anchored in block 957791 (2026-07-13T02:46:19Z), 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/QMBZ92510965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4084ad6f020695fa429643f9222148f20996f566e6c5e25614375ffa2e3d760. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/QZZ792598863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30f6b08a72fc36ce7083f249ddae74b9f414fbbbafc9962082d529dff49a0c54. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/AEA142504234.