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 0xb8033b1171614b78649a42f68b036ba51a7b9c0e67dd8ffab32dd1542d51bc61. 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/0bda3111-ae8b-4b27-947f-153f2821c3f3.json and https://artists.proofprofile.net/proofs/artist/0bda3111-ae8b-4b27-947f-153f2821c3f3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Grillage: Seul contre tous / Jail / Grillage / Cavale (Live)
Colonel Skopje - feat. John Abercrombie, Joe Lovano, Aldo Romano & Steve Swallow
Idemo - feat. John Abercrombie, Joe Lovano, Aldo Romano & Steve Swallow
Willow - feat. John Abercrombie, Joe Lovano, Aldo Romano & Steve Swallow
In the Land of Ephesus - feat. John Abercrombie, Joe Lovano, Aldo Romano & Steve Swallow
Ladies Choice - feat. John Abercrombie, Joe Lovano, Aldo Romano & Steve Swallow
Night Diary - feat. John Abercrombie, Joe Lovano, Aldo Romano & Steve Swallow
P.M. - feat. John Abercrombie, Joe Lovano, Aldo Romano & Steve Swallow
Killing Time - feat. John Abercrombie, Joe Lovano, Aldo Romano & Steve Swallow
Up Too Late - feat. John Abercrombie, Joe Lovano, Aldo Romano & Steve Swallow
Desaparecido - feat. John Abercrombie, Joe Lovano, Aldo Romano & Steve Swallow
Il piacere - feat. John Abercrombie, Joe Lovano, Aldo Romano & Steve Swallow
{"copyright_id":"0xdebfa4955b5201d518579ebd4289eb3661e9b5a9cc4ed8a5a65e9c68ec640822","isrc":"FR1F39500240","name":"Standing Ovation (For Mandela)","registered_at":"2026-06-21T05:24:17Z","spotify_id":"5q1ThSln73Bohtc1BvsPoo","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 0xdebfa4955b5201d518579ebd4289eb3661e9b5a9cc4ed8a5a65e9c68ec640822. 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/5q1ThSln73Bohtc1BvsPoo.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/5q1ThSln73Bohtc1BvsPoo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd15359b4244de43f164942a0dbf7c504cc1e93f9f569b824da65389a42bc58c3. 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/3ea6AnPDWVUv8e0cdHYjtG.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/3ea6AnPDWVUv8e0cdHYjtG.
{"copyright_id":"0x3e42f0b21669b98be7ef0eef3eea2b112559077f26df1953a5a16a9def43cf03","isrc":"FR1F39500270","name":"Bororo Dance","registered_at":"2026-06-25T06:26:48Z","spotify_id":"3nQapiMRANGXkzWjLxbpyh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e42f0b21669b98be7ef0eef3eea2b112559077f26df1953a5a16a9def43cf03. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3nQapiMRANGXkzWjLxbpyh.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/3nQapiMRANGXkzWjLxbpyh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f59e667d9a7b735c8a443bbcec9e77a36a1130792b711ebc3dbbc0be39bf780. 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/5V5qO9d020QOsMMbCguqe3.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/5V5qO9d020QOsMMbCguqe3.
{"copyright_id":"0x7b53ef92552463feab92db80dbcf07f88ad621c9498244c86fca26fe6aee0980","isrc":"FR1F39500290","name":"Les petits lits blancs","registered_at":"2026-06-24T16:33:29Z","spotify_id":"1Y2JK3A8ozLevuNQ3qPATu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b53ef92552463feab92db80dbcf07f88ad621c9498244c86fca26fe6aee0980. 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/1Y2JK3A8ozLevuNQ3qPATu.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/1Y2JK3A8ozLevuNQ3qPATu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dd0132f4873482d504704e5abcda9b1d4e49928724c373d672928488e476f3f. 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/2bFbvcCnplUbCcJJ6w5GRc.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/2bFbvcCnplUbCcJJ6w5GRc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47dcce2f3091d3d761d1bc5065bb8e3006b714dada9985409951caef6647a103. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3eC2BBxhY1lAMQuVqIUBRE.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/3eC2BBxhY1lAMQuVqIUBRE.
{"copyright_id":"0xff4edf6a11bed366eccc3d8a8ee9c1b7d51ff64276d28d34892b13ce34a2bf4c","isrc":"FR1F39900130","name":"Soweto Sorrow","registered_at":"2026-06-06T18:05:10Z","spotify_id":"28DViNHLAMNXreLrVgksur","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff4edf6a11bed366eccc3d8a8ee9c1b7d51ff64276d28d34892b13ce34a2bf4c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/28DViNHLAMNXreLrVgksur.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/28DViNHLAMNXreLrVgksur.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6cfe83f3fc585f8b65f0513cf81e0225916243169a567334265efa3b043e6f7. 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/5RmPDDUipOMNawmeNsRIH3.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/5RmPDDUipOMNawmeNsRIH3.
Hantise - feat. Tony Rabeson & Sébastien Texier
Leïla - feat. Tony Rabeson & Sébastien Texier
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67e74f03a52d87da7f178b11cf0d03942b9a906dd4f783dd8e2bf24b1ddf018b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1sd34IjmIlLQS4tKM9QPJJ.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/1sd34IjmIlLQS4tKM9QPJJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0308b0fa21812152f5e4bbb34ced3a3ef5dbce4b79928a45e6684b79bad88d3d. 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/4uSS0CjETJvDS5Hd1O3Ic1.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/4uSS0CjETJvDS5Hd1O3Ic1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6420b2c4f216fc1be857499576d602fd1e26104298eaed99dc0894eee82f2359. 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/0u4cfdmeUAo20Vsim3OpEY.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/0u4cfdmeUAo20Vsim3OpEY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29f13b08b0674182ed565149d9eb1c343b4b91597fe5f364d884039a33da969b. 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/2u1pxzzrUg1Sgce0TxD9fB.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/2u1pxzzrUg1Sgce0TxD9fB.
Dakota Mab (Live at Theater Gütersloh) [European Jazz Legends, Vol. 5]
Navajo Dream - Live at Theater Gütersloh
Concert anniversaire 30 ans de Label Bleu
Colonel Skopje - Live at la Maison de la Culture d’Amiens
Mucho Calor - Live at la Maison de la Culture d’Amiens
Don't Buy Ivory Anymore - Live at la Maison de la Culture d’Amiens
Barth's Groove - Live at la Maison de la Culture d’Amiens
Y'a des vautours au Cambodge ?... - Live at la Maison de la Culture d’Amiens
Desaparecido - Live at la Maison de la Culture d’Amiens
Noises - Live at la Maison de la Culture d’Amiens
Simone et Robert - Pour Simone Veil et Robert Badinter
{"copyright_id":"0x7b619ba0365ccbd9f63d5f1b6e2f88b5c7b54ed6ed96e6973e91cc6248a4dfbc","isrc":"FR1F32300100","name":"Apache Woman","registered_at":"2026-06-24T22:28:41Z","spotify_id":"6gH3Nrt0v6AZzCfaMAjyO2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b619ba0365ccbd9f63d5f1b6e2f88b5c7b54ed6ed96e6973e91cc6248a4dfbc. 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/6gH3Nrt0v6AZzCfaMAjyO2.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/6gH3Nrt0v6AZzCfaMAjyO2.
{"copyright_id":"0x7b619ba0365ccbd9f63d5f1b6e2f88b5c7b54ed6ed96e6973e91cc6248a4dfbc","isrc":"FR1F32300100","name":"Apache Woman","registered_at":"2026-06-24T22:28:41Z","spotify_id":"0JvOH9m2mcMiC1FQHuJBjV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b619ba0365ccbd9f63d5f1b6e2f88b5c7b54ed6ed96e6973e91cc6248a4dfbc. 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/0JvOH9m2mcMiC1FQHuJBjV.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/0JvOH9m2mcMiC1FQHuJBjV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x408f62631d23ede77e003f9604b1f7bc4c0c6e304e3f089e191e82c08941f279. 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/6vi4vxh3ndo5za4NU4hEKY.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/6vi4vxh3ndo5za4NU4hEKY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4addf3e52f6726c3ceecbdda04d32db79430e670f9de49cc21a6d3380eda60cd. 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/3qtyr4eMeJFW37ZQbIBLuA.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/3qtyr4eMeJFW37ZQbIBLuA.