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 0x56ab61c821ce36a6f5d2089f376f76923c962130e0f8424864591f85e39f42de. 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/4a0256fc-7ef9-4571-bd63-397152f00913.json and https://artists.proofprofile.net/proofs/artist/4a0256fc-7ef9-4571-bd63-397152f00913.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nuit des To'eres (Live at Brewery Studios)
Nuit des To'eres - Live at Brewery Studios
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67374a906fd6ba6942271073143a3fd70370ba1a0b5efc0ec40a337f5010bc21. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0CLnYL0rhyCd56gxAB5V8r.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0CLnYL0rhyCd56gxAB5V8r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6441c48d686de447cdd2d109d7ed8215aa96aef219403b22e746fbfb8bd47ba4. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2brOXJxrclrdofICIfq7cf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2brOXJxrclrdofICIfq7cf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64043dfb2c68039a9e78599df0754407e1455182158eed3e873bd3d02a10ac0f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4YouSWO8fjC9qthAKAcTBK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4YouSWO8fjC9qthAKAcTBK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee6ff7180536918608249dd2fff170e84766022bc7deb70d84302cb14109522. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6CmOnI0fwEXuqgAfkL3TzR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6CmOnI0fwEXuqgAfkL3TzR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5903ab6c782cce5f4724929bf17491f95158abb3c6814216b8acb897a68d767. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/67CACURGca7sOFdnu4N4sN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/67CACURGca7sOFdnu4N4sN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x879ff4495dba1af98b37bd72f58fd0996523ea522b76453ad49a20d08ca503d6. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4hX1h5KW8J6JlzzHrCNpWJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4hX1h5KW8J6JlzzHrCNpWJ.
{"copyright_id":"0xf1754addc16cbfc78f7eb75abdd289fcb29a64630b55526dee437ea39da0b4f5","isrc":"DEZC62104575","name":"Avenida 7","registered_at":"2026-06-21T02:57:49Z","spotify_id":"25Fk6jxYWhPoWHiLdk6Thz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1754addc16cbfc78f7eb75abdd289fcb29a64630b55526dee437ea39da0b4f5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/25Fk6jxYWhPoWHiLdk6Thz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/25Fk6jxYWhPoWHiLdk6Thz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa245af4e7ed5ed0299bc2fceeaeb773a6c19548507e99279887ae99e9a0c6f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5HWwBtPRgV5ZjeELvSp7qU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5HWwBtPRgV5ZjeELvSp7qU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x027c4607c9994e62b191fb6e1109b4180d06598c9bc1348a2a1a5383b6c0c239. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2DZiN41fkkeOQrUpmJWMY6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DZiN41fkkeOQrUpmJWMY6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4ef231c2feef51b1da42f2cd21c9b750aca20cbe390e32cf1fbfaacdfa0f18c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3yRSWv5bCIrFGz6Nbpv2XU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3yRSWv5bCIrFGz6Nbpv2XU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x449bf21728ec2fa49a6f6d00be10e33c9863436bb62ddc221f1021653214da99. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0bIZQ9U8N39Ak1ODhanBeq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0bIZQ9U8N39Ak1ODhanBeq.
Align (Energy) [Benjamin Fredrick Vukelić Remix]
Align (Energy) - Benjamin Fredrick Vukelić Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70a22786b73ba7a65a3234caaf5bb44e09cb3742aeb9395da66a7e96cd2f3830. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7ui2CzCU5BNu2N7yUnrwMA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7ui2CzCU5BNu2N7yUnrwMA.
Gyászba Borult Isten Csillagvára (God's Star Castle Has Fallen to Grief)
Destruction Everywhere (Sundé's Clover Edit)
Destruction Everywhere - Sundé's Clover Edit
Fidelity Radio Club (Toy Tonics Remixes)
{"copyright_id":"0x77c20448fe26149a08e0799d62e9736e41e2dd52f1622980cbd8a34614a8781d","isrc":"DESY21401300","name":"Me at the Zoo - Cody Currie Remix","registered_at":"2026-06-06T16:26:17Z","spotify_id":"3uPNfRRceOwIq9lqddFt0z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77c20448fe26149a08e0799d62e9736e41e2dd52f1622980cbd8a34614a8781d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3uPNfRRceOwIq9lqddFt0z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3uPNfRRceOwIq9lqddFt0z.
{"copyright_id":"0x79d6e60ddc06ac7043fa34d6084f86658af285047085d40cbaf9e50e3cbd010d","isrc":"DESY21401303","name":"Higher - Sam Ruffillo Remix","registered_at":"2026-06-10T02:37:48Z","spotify_id":"5746Lt5BJlIdd1ZOkUePN0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79d6e60ddc06ac7043fa34d6084f86658af285047085d40cbaf9e50e3cbd010d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5746Lt5BJlIdd1ZOkUePN0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5746Lt5BJlIdd1ZOkUePN0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x154bc91932933ae91e8383527cbf18547811b41e592eee7522df67a414925315. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4btPhmtgOct9xTbVuWhaXX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4btPhmtgOct9xTbVuWhaXX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c69513c4bf0c71a832408b6db21472751a5f15860465f33ebd90e15ca99cd57. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0x0ypB0v6TmZJgKae699f7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0x0ypB0v6TmZJgKae699f7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87ca1590b26847d3d6678b73e305e9e01066119fb09071b26adc10013831f6a3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/62Culb8jZdIdEJvG3vHrEI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62Culb8jZdIdEJvG3vHrEI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc12392c72b0f35e8f039713866f7a12c1968f44b21e19925086a25d7c3f340ff. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/12Lsg9SDZGocYfjL4ESm0C.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/12Lsg9SDZGocYfjL4ESm0C.