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 0xb2b0244d8fd203e043c22de80db717b9efc0889e38bd1763825e89bf7c02f36c. 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/da639a55-8566-48cc-af8d-c88374b184a4.json and https://artists.proofprofile.net/proofs/artist/da639a55-8566-48cc-af8d-c88374b184a4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wintertime Love - Sain Alice Group Remix
Hollow Talk (Lulu Rouge's Stella Polaris Remix)
Hollow Talk - Lulu Rouge's Stella Polaris Remix
Hollow Talk - Lane8, Jody Wisternoff & James Grant Remix
{"copyright_id":"0xf07c8ff24a7a71f0b04896f33b51bda81e7d04cf1e3ff1298d04c3c2de0cf6b9","isrc":"GBEWA1400670","name":"Hollow Talk - Lane8, Jody Wisternoff & James Grant Remix","registered_at":"2026-06-21T05:23:59Z","spotify_id":"5vHM7fc5GGOUZcRkzJGX8l","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 0xf07c8ff24a7a71f0b04896f33b51bda81e7d04cf1e3ff1298d04c3c2de0cf6b9. 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/5vHM7fc5GGOUZcRkzJGX8l.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/5vHM7fc5GGOUZcRkzJGX8l.
Hollow Talk - Lane 8, Jody Wisternoff & James Grant Remix (Mixed)
{"copyright_id":"0xf07c8ff24a7a71f0b04896f33b51bda81e7d04cf1e3ff1298d04c3c2de0cf6b9","isrc":"GBEWA1400670","name":"Hollow Talk - Lane8, Jody Wisternoff & James Grant Remix","registered_at":"2026-06-21T05:23:59Z","spotify_id":"1oT7c59mtk9IwnRG2xOByr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf07c8ff24a7a71f0b04896f33b51bda81e7d04cf1e3ff1298d04c3c2de0cf6b9. 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/1oT7c59mtk9IwnRG2xOByr.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/1oT7c59mtk9IwnRG2xOByr.
Hollow Talk - Jody Wisternoff, James Grant and Lane 8 Remix
{"copyright_id":"0x3d1a1ed9dd507e0a21566246dfd43f8c33482330a8558aaa6be22bc98824d274","isrc":"GBEWA1400776","name":"Hollow Talk - Jody Wisternoff, James Grant and Lane 8 Remix","registered_at":"2026-06-09T16:45:22Z","spotify_id":"5C9hUBt3VVXla8ni0xmjeS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d1a1ed9dd507e0a21566246dfd43f8c33482330a8558aaa6be22bc98824d274. 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/5C9hUBt3VVXla8ni0xmjeS.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/5C9hUBt3VVXla8ni0xmjeS.
Klubben (feat. Jannis) (feat. Choir Of Young Believers)
{"copyright_id":"0xac535ff48696037dbf9830f9e09edfe05afcd553efbc668a2432de618f7fe416","isrc":"DKADG2300204","name":"Klubben (feat. Jannis) (feat. Choir Of Young Believers)","registered_at":"2026-06-05T14:13:14Z","spotify_id":"6FKyUOnL2xAVqiu4HlwJKN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac535ff48696037dbf9830f9e09edfe05afcd553efbc668a2432de618f7fe416. 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/6FKyUOnL2xAVqiu4HlwJKN.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/6FKyUOnL2xAVqiu4HlwJKN.
Klubben (i Klubben) (feat. Choir Of Young Believers)
{"copyright_id":"0x2bc7ea8305cb6a55c5d6d05592f0b0a42785695242d14a275fba1736cd23fe5f","isrc":"DKADG2400154","name":"Klubben (i Klubben) (feat. Choir Of Young Believers)","registered_at":"2026-06-07T22:43:33Z","spotify_id":"2jlxBDCYsN3jdKqA7EviyG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bc7ea8305cb6a55c5d6d05592f0b0a42785695242d14a275fba1736cd23fe5f. 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/2jlxBDCYsN3jdKqA7EviyG.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/2jlxBDCYsN3jdKqA7EviyG.
{"copyright_id":"0xac535ff48696037dbf9830f9e09edfe05afcd553efbc668a2432de618f7fe416","isrc":"DKADG2300204","name":"Klubben (feat. Jannis) (feat. Choir Of Young Believers)","registered_at":"2026-06-05T14:13:14Z","spotify_id":"5ROb7UGxBZJBUJW1yHiRX9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac535ff48696037dbf9830f9e09edfe05afcd553efbc668a2432de618f7fe416. 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/5ROb7UGxBZJBUJW1yHiRX9.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/5ROb7UGxBZJBUJW1yHiRX9.
Hollow Talk - Jody Wisternoff, James Grant & Lane 8 Remix
Hollow Talk - (Lulu Rouge's Stella Polaris Remix) [Mixed]
Global Underground: Afterhours 9 (Mixed)
{"copyright_id":"0x74faa38fcb92493f69840eaafd247ed71a06bba41bb7a77b4997632525abf09b","isrc":"GBHFW2200008","name":"Hollow Talk - (Lulu Rouge's Stella Polaris Remix) [Mixed]","registered_at":"2026-06-26T16:41:05Z","spotify_id":"2oFPpBNq4n2hxmsTJ6N9d1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74faa38fcb92493f69840eaafd247ed71a06bba41bb7a77b4997632525abf09b. 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/2oFPpBNq4n2hxmsTJ6N9d1.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/2oFPpBNq4n2hxmsTJ6N9d1.
{"copyright_id":"0xf4ba08e7ecd45289f16b71b15cd587464d03d5b40f8f1d39a7eccbfdfc231b82","isrc":"NLF711800110","name":"Hollow Talk - Jody Wisternoff, James Grant & Lane 8 Remix","registered_at":"2026-06-22T19:23:03Z","spotify_id":"322E2ZTZoGt2fOkxg04WBL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4ba08e7ecd45289f16b71b15cd587464d03d5b40f8f1d39a7eccbfdfc231b82. 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/322E2ZTZoGt2fOkxg04WBL.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/322E2ZTZoGt2fOkxg04WBL.