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 0xc5e56f701eecf54e4d28d66c48156bf4ff9673cb749d1419daeeb5d796ee1f13. 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/e4add3ea-2be3-45a6-8783-aa6abeef2738.json and https://artists.proofprofile.net/proofs/artist/e4add3ea-2be3-45a6-8783-aa6abeef2738.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Entre l'ombre et la lumière (feat. Marie Carmen)
Tous les cris les S.O.S. (feat. Alexandra Stréliski)
Je serai (ta meilleure amie) (feat. Pomme)
Cute Without the 'E' (feat. John K. Samson)
Rue de l'ours (feat. Safia Nolin) - 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 0x299276ee59cd30448b66386ef969fb3a7f11523a7cf12c42d8752672ef44a2d8. 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/2kM47CzCvo48ZaPGO6LFu2.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/2kM47CzCvo48ZaPGO6LFu2.
{"copyright_id":"0x299276ee59cd30448b66386ef969fb3a7f11523a7cf12c42d8752672ef44a2d8","isrc":"CBAHX2100102","name":"Tu danses, condessa","registered_at":"2026-06-08T22:47:01Z","spotify_id":"7KlRs6CShYQHqtejWyHYmZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x299276ee59cd30448b66386ef969fb3a7f11523a7cf12c42d8752672ef44a2d8. 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/7KlRs6CShYQHqtejWyHYmZ.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/7KlRs6CShYQHqtejWyHYmZ.
Le rythme d'une comète (Bande originale du film "Le rythme d'une comète")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd69dc8d4e6fcbee3aae49241be08de3ba5654ce30bb2345e5e83ada611952cce. 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/6xBZzcbjOXkibKaYRQN270.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/6xBZzcbjOXkibKaYRQN270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb2a22037c8a7656b19dfc5227a9456faafdec9c189e57b9bc4f2c17c2c5005f. 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/302AR9RRx7vTh7BMhsV3ln.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/302AR9RRx7vTh7BMhsV3ln.
{"copyright_id":"0xce0c405fda51a2410f78550c9beaa5b148160b382a1e03e3cbca32e711ae9b91","isrc":"CAGNJ1801011","name":"Le Blues du businessman","registered_at":"2026-06-22T05:06:07Z","spotify_id":"6ozEKTBhytpsvuHGbq82xK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce0c405fda51a2410f78550c9beaa5b148160b382a1e03e3cbca32e711ae9b91. 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/6ozEKTBhytpsvuHGbq82xK.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/6ozEKTBhytpsvuHGbq82xK.
{"copyright_id":"0x4a22604eda6fd3b8bb28cb764abd5d8263047b7673d09cc5dca5147a8dd19d7c","isrc":"FRUM71800024","name":"On brûlera - Session live montréalaise","registered_at":"2026-06-08T06:21:49Z","spotify_id":"4wSRWH4P7tp6bRXxWRA3Rs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a22604eda6fd3b8bb28cb764abd5d8263047b7673d09cc5dca5147a8dd19d7c. 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/4wSRWH4P7tp6bRXxWRA3Rs.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/4wSRWH4P7tp6bRXxWRA3Rs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf595acba69029f9a81e8f699d269daa54fc7fb9bd2db410240c6c2abb4e18050. 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/5TIKpZpsHA1AP3gxljIQNl.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/5TIKpZpsHA1AP3gxljIQNl.
The World Outside - Outdoor Tape - Afterlife