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 0x19c07f4bdaa306cc83999dc56349cc9334128dff9f1741ee4b88e9673c259976. 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/3e8f4e7f-6f27-4873-8e2b-bf39e8451458.json and https://artists.proofprofile.net/proofs/artist/3e8f4e7f-6f27-4873-8e2b-bf39e8451458.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bitches in the Bathroom - Charlie Burg Remix
Bitches In The Bathroom - Charlie Burg Remix
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 0x4372c4f4393774b7b6a5879268e3cfeecf1bd5d956dea3d633e6946c5ea0feff. 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/6sbEKxdcaBbtZnn6MwD1g2.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/6sbEKxdcaBbtZnn6MwD1g2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dce62af70411a63b0484a2a98e7a494ef6c5a0d25f4690788667720dcd8ad4a. 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/2JFJdpu29ghdTSsUL8bQXO.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/2JFJdpu29ghdTSsUL8bQXO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1dbcdb9ccc437539e02558543083e4c682f3614bdebb69a4472171211f3aa46. 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/6iWbeJpXyUlStLGwNtdNlF.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/6iWbeJpXyUlStLGwNtdNlF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf21ef45d465916fe820763a17fea96cd472d70cc9993481bc09e8644ccdc0ab. 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/5OLfObog5za3O71jQgZFsB.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/5OLfObog5za3O71jQgZFsB.
{"copyright_id":"0xd36b8e3f5535168a2cfc83a9d70f43ff810d849ac2add07d1c0a3f331c46f79c","isrc":"GBCFB2400476","name":"Wide Awake (Live)","registered_at":"2026-06-05T13:41:07Z","spotify_id":"2A0cPJCmtGITjsKAIhzEfo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd36b8e3f5535168a2cfc83a9d70f43ff810d849ac2add07d1c0a3f331c46f79c. 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/2A0cPJCmtGITjsKAIhzEfo.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/2A0cPJCmtGITjsKAIhzEfo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7f63e9377d84f0554f9e71284e5497dd0078838e83c4b2c1508bb625349d670. 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/0paiz9l7JApY5fvOJDTY7M.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/0paiz9l7JApY5fvOJDTY7M.
{"copyright_id":"0xcf21ef45d465916fe820763a17fea96cd472d70cc9993481bc09e8644ccdc0ab","isrc":"GBCFB2200134","name":"Wide Awake","registered_at":"2026-06-01T20:42:47Z","spotify_id":"4TA7iuTu3osM5eaAjoScQr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf21ef45d465916fe820763a17fea96cd472d70cc9993481bc09e8644ccdc0ab. 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/4TA7iuTu3osM5eaAjoScQr.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/4TA7iuTu3osM5eaAjoScQr.
{"copyright_id":"0x2e9e6d1065a1bc4bdf6a2ebdb8af5f921407321bd8c641a54cf7777aebeaaca0","isrc":"GBCFB2400665","name":"Wide Awake - longstoryshort Remix","registered_at":"2026-06-06T02:09:56Z","spotify_id":"37GjFQwA29Vju1awK15Pw0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e9e6d1065a1bc4bdf6a2ebdb8af5f921407321bd8c641a54cf7777aebeaaca0. 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/37GjFQwA29Vju1awK15Pw0.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/37GjFQwA29Vju1awK15Pw0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf21ef45d465916fe820763a17fea96cd472d70cc9993481bc09e8644ccdc0ab. 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/34Wvcwev5LsigW1Wc4V8pP.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/34Wvcwev5LsigW1Wc4V8pP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf21ef45d465916fe820763a17fea96cd472d70cc9993481bc09e8644ccdc0ab. 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/3W1nxqv2eg59KHdzNilCde.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/3W1nxqv2eg59KHdzNilCde.
{"copyright_id":"0xc8bf5d02e2748104d414ade1663d81be2fcc6df38da30070b7e2217e8de98e4b","isrc":"GBCFB2300005","name":"Wide Awake - Hot Chip Remix","registered_at":"2026-06-08T01:58:08Z","spotify_id":"2KYPuQ2MunGKyUTfdRYHxs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8bf5d02e2748104d414ade1663d81be2fcc6df38da30070b7e2217e8de98e4b. 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/2KYPuQ2MunGKyUTfdRYHxs.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/2KYPuQ2MunGKyUTfdRYHxs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf21ef45d465916fe820763a17fea96cd472d70cc9993481bc09e8644ccdc0ab. 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/5m2ygcCfU5qA0kLyrR4xWR.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/5m2ygcCfU5qA0kLyrR4xWR.
{"copyright_id":"0xcf21ef45d465916fe820763a17fea96cd472d70cc9993481bc09e8644ccdc0ab","isrc":"GBCFB2200134","name":"Wide Awake","registered_at":"2026-06-01T20:42:47Z","spotify_id":"4lKSHi12cKgQlXwkrPHQ6s","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf21ef45d465916fe820763a17fea96cd472d70cc9993481bc09e8644ccdc0ab. 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/4lKSHi12cKgQlXwkrPHQ6s.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/4lKSHi12cKgQlXwkrPHQ6s.
Coffee Break 2023 by The Circle Sessions