Serge Gainsbourg (; born Lucien Ginsburg; 2 April 1928 – 2 March 1991) was a French singer-songwriter, actor, composer, and director. Regarded as one of the most important figures in French pop, he wa
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x25d8ac44d3c1cc2577e06c4b3abbcada721014554859ffd9e208fdba3b714aa7. 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/9ea0f5ee-da2a-4998-8d37-48cab22d351a.json and https://artists.proofprofile.net/proofs/artist/9ea0f5ee-da2a-4998-8d37-48cab22d351a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20a669f55c2416b5c28f8c16dbf2829fbf0e32a9fab7daba1df45247e24c6937. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036800500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bdf99b2773cddf7a0a79d4553860188460be94cb4b0640ac0ef826d4a1fffb3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036900370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x654ec70f5ef4e6c2bd8526ed8830c4acf8bc4da788297a0919155d70b0e7a83f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036800580.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdaad2bc197302970aaabe86021aab1d8348f4cc9b4ac07580ad3529927e3b71. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036901820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b12786f43828c116e8e602c00b9f04d1f696e474176fb21a0cd70b063a9c145. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036801960.
Elisa - Bande originale du film "L'horizon"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4b81958546a8aeae7b8ea23caae336c5775a5364e63006c9b648bd947d5ebc7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036800460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x334843c8ab8ed0d243746a958014ea499774fc60f2dd413dc41611cb22ceea30. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036800490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04a4ae019a4acba907d69a09adb3f8f2b24dc272233757ea97c376336aa5f119. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036800570.
Requiem pour un c... - Bande originale du film "Le pacha"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd95bf88fd3e33c65870e72365453b3a2d9e5c8a4d5e511fb73a433b9644d1c85. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX666780010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x925eb79c9d2aac0b24d162985af0ee93b8ef92c6dcc5c3a0458c76350ed328cf. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036703500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2f936fbeb7c9217a2ede3b58c1e2617d6edc5985b3bce4eae86c4266b897789. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036802760.
Les 50 plus belles chansons de Serge Gainsbourg
L'eau à la bouche - Bande originale du film "L'eau à la bouche"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae17aead89c3c757c084cbd9f8cff23998f11f0c16de129e07261c281729baf2. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ035904110.
Dieu fumeur de havanes - Bande originale du film "Je vous aime"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34161a63a4c170f0f0fe0e5944ae35b56ac171e1dfbdfa2de51b936cc197b688. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ038003010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e060d09d04677f5ed105014fe4c87580c56b968896f26c7c929e8087bcb14f6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ036400450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe5af787c881cd5ba9ab9c036cc58b043956d0464c7de63f108adbbe369093ad. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ037700280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x724a0506c8704ef07431b2564e88faf5b34cc93a775340faf3a6b0d3151849e3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ038701170.
Lemon Incest - D'après l'étude Opus 10 N°3 En Mi Majeur de Chopin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8334680de90e6a6bfc54b74adc7ec2b712a2c6ad9c086ae81ef52c567be22fbb. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ038402080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23f74841ad8c85ac7f75f3b3762a01b64fe2fb0255fc5aa210f2befbb6e626bd. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12004904.