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 0xa88c29a35ab5fd6450495906b6b3c5d14f15560930e47b79dcf5231ff845a1d8. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ef22cf8c-b0a5-4505-be0a-2f6845fa7263.json and https://artists.proofprofile.net/proofs/artist/ef22cf8c-b0a5-4505-be0a-2f6845fa7263.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Can Hear You But I Can't See You - Instrumental Version
20th Century Masters: The Millennium Collection: Best Of Swing Out Sister
{"copyright_id":"0x7bf7369853e5d62ccccbba65e234504d5003d60600f16193a0bed040fad7e3bb","isrc":"GBF089400336","name":"LA LA (Means I Love You) - Edit","registered_at":"2026-06-07T06:21:36Z","spotify_id":"6ali1Z80A0waVzrdYNFxvK","type":"track"}
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 0x7bf7369853e5d62ccccbba65e234504d5003d60600f16193a0bed040fad7e3bb. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ali1Z80A0waVzrdYNFxvK.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/6ali1Z80A0waVzrdYNFxvK.
Something Every Day - Late Night Studio Take
Something Every Day (Late Night Studio Take)
Beautiful Mess + Greatest Hits "Live in Tokyo"
Surrender/World Out Of Control - Live ver.
Closer Than The Sun/Forever Blue - Live ver.
Now You're Not Here - Taj Calder Instrumental
Now You're Not Here (Taj Calder Instrumental)
All In a Heartbeat (Late Night Version) - Instrumental
Something Deep In Your Heart - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57a83c8f7474a81fe73ca3c090cb7c11ec167ec379b5950e8acdb7b4128217ef. 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/6R5OtW4YsvvF1imLmiBP3E.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/6R5OtW4YsvvF1imLmiBP3E.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6354f871b05aad0a474e219d174976cde35b112284e0745fa7b3b0741a8e70a5. 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/2ztY1Hb5QPXmAiADLshtZ9.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/2ztY1Hb5QPXmAiADLshtZ9.
ドライブが楽しくなる洋楽ヒッツ！90年代 HITS
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6354f871b05aad0a474e219d174976cde35b112284e0745fa7b3b0741a8e70a5. 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/6ku7Vf8bpICQ2Co0JZ7oxB.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/6ku7Vf8bpICQ2Co0JZ7oxB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6354f871b05aad0a474e219d174976cde35b112284e0745fa7b3b0741a8e70a5. 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/4LodpzO4GMmV0YeC235kB9.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/4LodpzO4GMmV0YeC235kB9.
Body By Jake: 80s Weight Loss Workout (BPM 100-136)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6354f871b05aad0a474e219d174976cde35b112284e0745fa7b3b0741a8e70a5. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6XbuHkPP97Wp2ARhj4OQb3.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/6XbuHkPP97Wp2ARhj4OQb3.
With Love From ... PolyGram 50th Anniversary
{"copyright_id":"0x7bf7369853e5d62ccccbba65e234504d5003d60600f16193a0bed040fad7e3bb","isrc":"GBF089400336","name":"LA LA (Means I Love You)","registered_at":"2026-06-07T06:21:36Z","spotify_id":"1RNYZFoRIRV9VUV1Pbju1I","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bf7369853e5d62ccccbba65e234504d5003d60600f16193a0bed040fad7e3bb. 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/1RNYZFoRIRV9VUV1Pbju1I.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/1RNYZFoRIRV9VUV1Pbju1I.