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 0x7b21468052ed42e14cbba12478e768ecdf5479a1b2b6c2c6574066caefd7cf35. 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/027ec4ad-e163-4bf2-9801-3b27b4777f97.json and https://artists.proofprofile.net/proofs/artist/027ec4ad-e163-4bf2-9801-3b27b4777f97.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 0xc5550a4c7c35751730cb643364fae1e22af14f885316a6cd0fad83f310363e1c. 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/643SB5oRU7wh4vV1HrNNxL.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/643SB5oRU7wh4vV1HrNNxL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3e815e98d1da9d12dcee1aee954f45a45c25d2a10b8655c2aa27cc0450b1934. 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/1lz0PO7BnZTiqs4Jivl5HC.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/1lz0PO7BnZTiqs4Jivl5HC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c23d2c011127d506a9d8140f82c7639b644d624d5963339ea33604e22ceb9d7. 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/28TEjkEOn1YjRUNobhE9Xj.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/28TEjkEOn1YjRUNobhE9Xj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1889078eef3b0303c4ae71c6e339852b45d41804e421f0d1e3f930589571351f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1I7MNLCXerbVeTLDwPSqYq.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/1I7MNLCXerbVeTLDwPSqYq.
{"copyright_id":"0xa2e924310270b88a57bedf3b5aeea8532a994ad14c8b4e96bb2c2b0f97a3741f","isrc":"GBEWA2400310","name":"Lights, Sound, Camera, Action","registered_at":"2026-06-19T10:29:27Z","spotify_id":"50U1sjjMWrRvHdM5tOddZL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2e924310270b88a57bedf3b5aeea8532a994ad14c8b4e96bb2c2b0f97a3741f. 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/50U1sjjMWrRvHdM5tOddZL.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/50U1sjjMWrRvHdM5tOddZL.
{"copyright_id":"0x60d0fdb44f6caac60c11384cdd856f437f4a4b62b7ecdc25dbe4c04308fc8845","isrc":"GBEWA2307000","name":"Dependent On You","registered_at":"2026-06-18T15:39:17Z","spotify_id":"6o00eOIuyvx48ARWxLQqgd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60d0fdb44f6caac60c11384cdd856f437f4a4b62b7ecdc25dbe4c04308fc8845. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6o00eOIuyvx48ARWxLQqgd.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/6o00eOIuyvx48ARWxLQqgd.
Lights, Sound, Camera, Action - Extended Mix
{"copyright_id":"0x60d0fdb44f6caac60c11384cdd856f437f4a4b62b7ecdc25dbe4c04308fc8845","isrc":"GBEWA2307000","name":"Dependent On You","registered_at":"2026-06-18T15:39:17Z","spotify_id":"1bZfSqVcnzUcPiMW2DChBc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60d0fdb44f6caac60c11384cdd856f437f4a4b62b7ecdc25dbe4c04308fc8845. 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/1bZfSqVcnzUcPiMW2DChBc.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/1bZfSqVcnzUcPiMW2DChBc.
{"copyright_id":"0xd97c1288bf2e4bd38de377c2a7ad4b62101f00abbf69d091bdf550c4053b2fc1","isrc":"FRX872365273","name":"Desire - Killbox Remix","registered_at":"2026-06-25T22:09:45Z","spotify_id":"2hf97hkqkTf7AKJEmVVAJr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd97c1288bf2e4bd38de377c2a7ad4b62101f00abbf69d091bdf550c4053b2fc1. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2hf97hkqkTf7AKJEmVVAJr.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/2hf97hkqkTf7AKJEmVVAJr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4a18327c46669532d652c84aecb5e6f73e4ca336b0af6888a021326e4754e90. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/63LkvYa05AAH1lA5vTE4dZ.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/63LkvYa05AAH1lA5vTE4dZ.
{"copyright_id":"0x87316c1742359cadf6f188bbf1a28f3efc2e21d841c4af436f233babe68c0e47","isrc":"NLCK42221692","name":"Turn Back","registered_at":"2026-06-19T14:26:17Z","spotify_id":"6FKyovcjtEu1TORPJnxnSY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87316c1742359cadf6f188bbf1a28f3efc2e21d841c4af436f233babe68c0e47. 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/6FKyovcjtEu1TORPJnxnSY.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/6FKyovcjtEu1TORPJnxnSY.
{"copyright_id":"0xade889dbf37d46d35ffed17ac346dd004be22657a5139e153ff15cee16de06c7","isrc":"US39N2201185","name":"Zenith (feat. flowanastasia)","registered_at":"2026-06-07T01:53:32Z","spotify_id":"6vmaB9cSgxgtAnbBJsnbMw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade889dbf37d46d35ffed17ac346dd004be22657a5139e153ff15cee16de06c7. 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/6vmaB9cSgxgtAnbBJsnbMw.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/6vmaB9cSgxgtAnbBJsnbMw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b3b04897e9659a515ec6c3555f286e5e6a5f0d24e337000ae050554589c3c1f. 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/3VVdmxspjqeSNTQaOrhGbX.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/3VVdmxspjqeSNTQaOrhGbX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf948c474c03d24cd5849d830d8c23b1e6ea7de2c88bc170dfd32546abe2863f1. 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/4G1qYDBRvnE88Ofr9dF7Yf.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/4G1qYDBRvnE88Ofr9dF7Yf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5550a4c7c35751730cb643364fae1e22af14f885316a6cd0fad83f310363e1c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1O5S4dlE9k9Q79scWjLF2Z.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/1O5S4dlE9k9Q79scWjLF2Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4aabb06362f50575d87f8e16c989df9aca66980c17861c04d8a36d2cc3b9e0e. 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/1yu4lkhlFNrKk7P9Chg2uK.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/1yu4lkhlFNrKk7P9Chg2uK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40ad1b96632fb70ec11f8dd8d8a5104013b15a4a41c36d52ea59aa5de1bd0ee6. 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/6tWsdbyDeebm1aHoQ8OxHh.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/6tWsdbyDeebm1aHoQ8OxHh.
{"copyright_id":"0x5b00b9546da6b14cb3d52255c17fb1dd6289ec836ea2a6b24d6f5ac6fc3f4b2f","isrc":"GB2LD2110177","name":"Made of Glass","registered_at":"2026-06-07T14:55:37Z","spotify_id":"5AtpVMlsHL5ZbRK6Gk0lrr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b00b9546da6b14cb3d52255c17fb1dd6289ec836ea2a6b24d6f5ac6fc3f4b2f. 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/5AtpVMlsHL5ZbRK6Gk0lrr.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/5AtpVMlsHL5ZbRK6Gk0lrr.
Five Hour Tealights - Gremlinz & Jesta Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f6c5fe6332089b4686f001fde058a3dc211286ef9f22610454be00a435f813. 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/2TcffLRgj8QmXghWvHn1O6.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/2TcffLRgj8QmXghWvHn1O6.
{"copyright_id":"0xb5e7e5d544a478d6dd64ff1613fde481b7c156592adad37860f80cfbdd9184ad","isrc":"NLCK42220826","name":"Wide Awake","registered_at":"2026-06-18T01:43:51Z","spotify_id":"7yfGWkBR5YcoDYxMU700Tz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5e7e5d544a478d6dd64ff1613fde481b7c156592adad37860f80cfbdd9184ad. 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/7yfGWkBR5YcoDYxMU700Tz.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/7yfGWkBR5YcoDYxMU700Tz.
Dependent On You (Record Of The Week) [ABGT562]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87316c1742359cadf6f188bbf1a28f3efc2e21d841c4af436f233babe68c0e47. 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/5DscSQHAXlvn07nGOUBP7E.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/5DscSQHAXlvn07nGOUBP7E.
Lights, Sound, Camera, Action (Record Of The Week) [ABGT567]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x403b67edbd6ee03f308d655f89cdcc2104c617150457464f3673101278da3e99. 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/26qRwJX7NgxEkULKDwyF31.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/26qRwJX7NgxEkULKDwyF31.