Jean-Louis Xavier Trintignant (; 11 December 1930 – 17 June 2022) was a French actor. He made his theatrical debut in 1951, and went on to be regarded as one of the best French dramatic actors of the
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 0x71523b7ddfe1f740f271ae23e39aa1274dc41c3784b7b820ef149845f1b52c33. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d40f04a7-e01b-46cc-b6f7-bb641c4b8d5b.json and https://artists.proofprofile.net/proofs/artist/d40f04a7-e01b-46cc-b6f7-bb641c4b8d5b.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 0x4105772c0dcc588b5bafdb0a3ead8cf8def684d71fb7fc16902b33851520e19d. 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/FR0Y31100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x298defd950081ee781d1b49dcf2972efd7de2e508a1a3314ed3ed4282951030b. 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/FR0Y31100002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ab66498ed3c64c43410f50c9908f52e7615ce30a997d764967dac00512d3c45. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FR0Y31100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe75788a88774a141006f1e688309a0ded297640611e57b21444fbb80e58cf58. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/FR0Y31100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6723c17a8bd87df713bc1d6ffbb0108689a340f39eaf7ee877ef931ca20d1f6f. 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/FR0Y31100005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd47e0ceb2c56c4f346fcf4ff84be3b07d2031818a1e2a7cd4c84f835cd46b7d7. 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/FR0Y31100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ef2353ae9ec4a890e60864032b4d6ecfa5e67759aadc6c4532096ed66cf9ed. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/FR0Y31100008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfca59d3e2498e301cd3365d1c171aa4c79a45b20229bdb62f6500dd71f8fe659. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FR0Y31100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe626e83f45450fcd2a865e6f472c8e355cba84eff767b593ba59453d22c9a9c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FR0Y31100011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fef4ee67cdee4094733de0ccb8e16daae641bdb9ea74dd23920ff9a39a042f9. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/FR0Y31100014.
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 0x5350602f8fc142cffa813d687826d3a68fc69a4f598370f4ee196cd8bdf8d700. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRZ051800150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65a3d8b5671187999501d747cd432deac31b8aa7c2c61e164963c4f673849f5c. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/FRZ051800145.
Soleil d'Hiver (Marche à l'Amour de Gaston Miron) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1be9a7d8640355f679df455a3bf57ed5833188d2102f56960831c4bd9df5574. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/FRZ051800180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97042022e245d69f2ef31b96349a9c93263f7e71cc6dd6273e5694c1527fa020. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FRUM71101665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf70e454cf9153df62f8578ab6bfcb699d57452b6e56e39129ee15562c6667370. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRUM71101670.
Prélude De La 1ère Suite Pour Violoncelle Seul
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffae9d71fa561c737d2701c422de6d80bcb5c80d1b3f8d88c799faceeec8266d. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FRUM71101677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b655c1b3c2c86ce0ff7540904b85a1aebc4164fd53e3600804f284c44582b3d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRUM71101702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2b9a71c9844d0a2e7f7b86d8c2b0bdd48c75c704e9640af4a385e1801a83074. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/FRUM71101686.
L'intégrale 15 (Cantate pour un coeur bleu)
Boris Vian, On N’Est Pas Là Pour Se Faire Engueuler!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x237c9d78f8b40c9c1289b3c412a749793949dd31bb86baa696c18b91573712c7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRUM70900806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x990175bf26db0c773d878dbd64c9f3ede8e72449a230971dce230e3f1570370f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRUM70900784.
Complainte du progrès (Les arts ménagers)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf42ae083e063665311d68eb9e60ba2c4a2db4301150a47c70fed94cb18aa3e9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRUM70900795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ab610c50f1665a4ebf422821b56799973066e935405708e9743d786a0df267a. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/FRUM70900791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2209f72e66b59c0e43f44df54807f15f15789718ab899443b8290f6efa9711f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRUM70900785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef434f19dc761c893db68e024565ba5c82caddf2ee42f5667187618c07561159. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRUM70900796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c713736aa3062f797c72d8c490f73e39b30c45f6ca11bccb6e297c6e76a5c57. 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/FRUM70900793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98806ac22e9f1f5aa656558a2a32610a0737dc8229dbe201d79f6baa200ca0b1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRUM70900776.
Boris Vian, On N'Est Pas Là Pour Se Faire Engueuler!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ab610c50f1665a4ebf422821b56799973066e935405708e9743d786a0df267a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRUM70900791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c713736aa3062f797c72d8c490f73e39b30c45f6ca11bccb6e297c6e76a5c57. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRUM70900793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87f61a6290ab4d367904b6da2307dbcd52714f5bd72c5e3971f03452d82e7d4c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRUM70900801.
Marguerite Duras, le ravissement de la parole - Les Grandes Heures Ina / Radio France
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde49faf179f89cc43e60c1abe19915546b3c80fc11291e54c2584b2f07c15797. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRT150309012.
Présentation et commentaires des lettres de Lewis Carroll à des enfants + Lecture
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42fab6a866dbbcf0d1bb6c2854c9281a77e653384718f2bd1685efecfacce7a3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FRT150309014.
"Vous savez, je ne comprends pas toujours très bien..."
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f4eae813d225b968262d78d81369cb4e1ac81deb0341603a168b571d9a15147. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRT150309038.
Schubert: 4 Impromptus, Op. 90, D. 899: No. 1 in C Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x689e701d8e9588dcc2cf941dcc112a4f4d5186e8d4eaf59f79cfe6de7343410e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBAYC1202945.
Busoni: Ich ruf' zu dir (After Bach's chorale prelude, BWV 639), BV B27 No. 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9ef51069c1124ab0ba0672f15ebab4c5f0f1c8459fa028341bc58dceb0e69df. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GBAYC1202947.
Horace de Corneille (Les classiques du théâtre)