Philippe Lavil (born 26 September 1947), pseudonym of Philippe Durand de La Villejégu du Fresnay, is a French singer. He remained particularly famous for his hits singles "Il tape sur des bambous", "E
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84e55746e23c437e84a2a13beaad4dd5dfa7ff59db5b6ad104f433ca715be50. 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/766e9de5-2c4c-4f28-a311-6c2b0927844b.json and https://artists.proofprofile.net/proofs/artist/766e9de5-2c4c-4f28-a311-6c2b0927844b.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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x267024e933a49045dd030b4e935b3e536d2443afae728d750cd73229de760d19. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FRZ418600100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c644093c04cee16be8009d4054c6171b4d5c8d02a5a0f35f8be8afff55343ef. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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/FRZ418210001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd22b84faf6996ff90d5dcf0ff435fe7777b7eb57c91b08c8d5bcd5dfe743dccf. Chain 2 (Bitcoin): anchored in block 958322 (2026-07-16T20:44:14Z), 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/FRZ418200102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5be8671e4ce06ab4bfd1f8c8ae1ea5c21226b1d5a37a3335c4d8275f7152f7ad. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/FRZ419000030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9e742a440a397db08f23a63b031a2baa13c5abe0353d691a7db97746a9e8b1f. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/FRZ419200020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11dfebfaa9ec7b2b0164ad12cbefb9c3e1f9b6138fd781d84ec68f052fae805e. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T02:14:33Z), 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/FRZ418700010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32d9be4946975b588fbe2d04b601ebfbe8aba60edd0d46fb69d927973b88a78b. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T10:05:23Z), 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/FRZ418210000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9afe14a587030d54b06b337f418cbd1e423286e033a69cf4900bec2be1fa3ca4. Chain 2 (Bitcoin): anchored in block 958523 (2026-07-18T08:54:12Z), 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/FRZ418999001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11dfebfaa9ec7b2b0164ad12cbefb9c3e1f9b6138fd781d84ec68f052fae805e. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/FRZ418700010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeea439c596f383f7b8df97c60832c40396467490a81dafd667355f4ed5edfa2f. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T07:48:27Z), 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/FRE991100030.
Best of Philippe Lavil (Le meilleur des années 80)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd40f4185e73aa63662283ee9cd7efa8208027dd027e625b6ab6dd62f96574c1. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T05:43:55Z), 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/FRX202303653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f2ae728559e82d4baa1671ce2fd1671183d8ec5106ca43bcb263a773fc08901. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/FRX202318787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8356db192b475c353fbbe94a54dfeba19b05a2bf8c9f65b8a6dad2419ab96f51. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/FRZ038302150.
Maxis 80 : Programme 3/25 (Les meilleurs maxi 45T des années 80)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d5ab6a2f82eba47ee3e7de74817b65fb7f4bb7197bc32af3c02cb5723350fbc. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/FRZ418700100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1576c596bae5ac43f9b85918f014d395d10f2a868e61447f40ed3e43023dfb15. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/FR12Q0400146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32d9be4946975b588fbe2d04b601ebfbe8aba60edd0d46fb69d927973b88a78b. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/FRZ418210000.