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 0x5adce320bbdd1f4011161e7b1f1bf4256e9c595a97a1308e5d437b02d0ab91c4. 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/b9f15200-1516-4525-b554-fb80f8af7e15.json and https://artists.proofprofile.net/proofs/artist/b9f15200-1516-4525-b554-fb80f8af7e15.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x265ae5f2df99bf7de3656f2253b1b26946e27ed34fb6c2782eb9de88e1d366c2. 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/2CP064YG2J51WCpTmn7rmu.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/2CP064YG2J51WCpTmn7rmu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a9d168609049f4a386c410c42a20ee47422e736a70e4307c22114732e668c40. 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/703LdvF6KwAE5pS49oXEzF.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/703LdvF6KwAE5pS49oXEzF.
{"copyright_id":"0xf4fefa8e8565f13e3864be5599cb7a5f8dace9198ae260c3c09da6ce36553cbc","isrc":"BE8LH2400338","name":"Long Long Gone","registered_at":"2026-06-04T12:33:37Z","spotify_id":"7utoPRJGyIukwlLmZJozQB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4fefa8e8565f13e3864be5599cb7a5f8dace9198ae260c3c09da6ce36553cbc. 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/7utoPRJGyIukwlLmZJozQB.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/7utoPRJGyIukwlLmZJozQB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac3add74f955ae68cb849b16035497660a4e6ebc26ce203297fa440c17220b0b. 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/0VPvKVTfHVfutUfEB0Kh6Q.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/0VPvKVTfHVfutUfEB0Kh6Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf50610759c5dd323441dd69fb72a44aa15f4f0d270594c5bc786e0483ec07799. 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/2XyWyrH36hOg9dpkHmyqx2.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/2XyWyrH36hOg9dpkHmyqx2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd50f08c8fde73ef3fd2780568c14c77f0b098264fa63721518e456563eaa283f. 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/7u6v6hkSb05kT92LbCs4Ww.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/7u6v6hkSb05kT92LbCs4Ww.
Summer Chill 2023 - Ibiza Chillout & Lounge
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac3add74f955ae68cb849b16035497660a4e6ebc26ce203297fa440c17220b0b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Mcb48wQus07dFqDcsr8zU.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/4Mcb48wQus07dFqDcsr8zU.
Cocktail Lounge 2023 - Apero Time Music - Summer Beach bar
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac3add74f955ae68cb849b16035497660a4e6ebc26ce203297fa440c17220b0b. 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/5Z9sMAOAlztqyFDYshjb5Y.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/5Z9sMAOAlztqyFDYshjb5Y.
{"copyright_id":"0x9e5d55c86f8a7a9dc945cbfc576d50fca6a884ac093e562e1f8dac18e09c8319","isrc":"BE8LH2500028","name":"Like An Echo (feat. Amanda Collis)","registered_at":"2026-06-04T06:46:15Z","spotify_id":"4weQbgiievPnekRYGJSuA4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e5d55c86f8a7a9dc945cbfc576d50fca6a884ac093e562e1f8dac18e09c8319. 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/4weQbgiievPnekRYGJSuA4.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/4weQbgiievPnekRYGJSuA4.
{"copyright_id":"0x6df22bd5dac9a508c8f1ce6bce36ababc5b4efe23c413d9c36aef030e74a8cad","isrc":"NLT2H2401731","name":"Karma Chameleon","registered_at":"2026-06-04T08:18:44Z","spotify_id":"00jg6xfsu8dS4BkALzSFJw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6df22bd5dac9a508c8f1ce6bce36ababc5b4efe23c413d9c36aef030e74a8cad. 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/00jg6xfsu8dS4BkALzSFJw.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/00jg6xfsu8dS4BkALzSFJw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb890d281a8e300fab84fb1f9f2ac4ed8f8adc6a88f4f3759860b2d0cc87e26d9. 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/40glPQdxcGPUyTa0pHffBt.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/40glPQdxcGPUyTa0pHffBt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9222889abab3b136bdc9ce080aa424a49b165d806e154737e17481d5a5b8e403. 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/3b7xdztSi1LswlFsZ2fOpV.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/3b7xdztSi1LswlFsZ2fOpV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd44c959e577a46f0cf872a36c3eb3ca0b7b8d5ce70a384a6834672ce0737d6d9. 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/3EAbAuwd77ueULRQTlIbXO.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/3EAbAuwd77ueULRQTlIbXO.
{"copyright_id":"0x8d818f17ab953e3b1ffc94297c8b60dce768a8b1a7ee23db5e74089a4bde74f4","isrc":"NLT2H2300846","name":"Rest Of Our Lives","registered_at":"2026-06-05T07:26:21Z","spotify_id":"5WnWsehcWT9dKx6SGenpW3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d818f17ab953e3b1ffc94297c8b60dce768a8b1a7ee23db5e74089a4bde74f4. 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/5WnWsehcWT9dKx6SGenpW3.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/5WnWsehcWT9dKx6SGenpW3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06cbe909b9e11bd2c6cef94ea5b554803ed5a5d8e8c377661975033b407638b2. 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/53D2WGw1NvYH6hni3bwXZy.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/53D2WGw1NvYH6hni3bwXZy.