Florent Vollant (born August 10, 1959, in Labrador) is a Canadian singer-songwriter. An Innu from Maliotenam, Quebec, he was half of the popular folk music duo Kashtin, one of the most significant mus
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 0xa42ec83b6ea9474925943d83a97f6bd9cffb9c0f6f489561d339b34dc4b7abbc. 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/5ab2bcfe-da05-4143-b74e-875b7ee00957.json and https://artists.proofprofile.net/proofs/artist/5ab2bcfe-da05-4143-b74e-875b7ee00957.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 0x98472c5801f841f7ce7a0e61dfb2e9e50ea09602b595c0f7d1cad51804fac27a. 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/CAY501400064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b57f79169f485bdc43130edea78a24431c8e04c2686c05e2039c1db7dcd26cd. 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/CAY501400068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf176fdaf7f0ebe8fc715d81d24d5c84fe5b8e78138fffcd244159bf4613e43b1. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/CAY501400069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf94b6134ab4039e7298690e63592a0076d7bdb210289b84bd5bfd73a114d3e3d. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/CAZ980900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1865a7c73730e11d494fffb26b494d23c06e32d166748e94d1e73ca8542141a5. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/CAZ980900002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed1e9b074bafd7e5d66a1fd423aea168dcf595f39d7fe58c0466a271fd9ab3dc. Chain 2 (Bitcoin): anchored in block 958800 (2026-07-20T03:10:26Z), 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/CAZ980900006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0df57c87a883f8ac0b999992db6ca90604d4054494d95fb0bd26c83cc125e66f. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/CAZ980900007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccfaaeb9d23f50f1bec1294d65403c6fb246f72a2910feb2af7635c884991429. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/CAY511800133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8de97912dad867c03465a9cfee90aef23ab7827c3461c8db52ef8f08b174257. Chain 2 (Bitcoin): anchored in block 958695 (2026-07-19T07:37:00Z), 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/CAY511800134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe56ccb9db9aa45610a809b7aaa7d7302dd12b72a8ec57f96febcc2feba20a55. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/CAY511800137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03bf689f055d809d21c520c136d7b3e544f8e46f0ee6a898b9bff051cac6b28d. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T20:30:17Z), 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/CAY511800140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95c83e92f3707fde22898e08dbf21ae8d28909f2930db224aa2a5fd67fe52df3. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/CAY512000176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcffba26326f5229ff27958a274019a5144dd70cd17d0e7c93836ab38590093fe. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/CAGHF2300036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf98c7eb215cade7c19544b5f6c915cce93bf7ebc7aa518ce77ea5cc2c8864ad2. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/CAGHF2300037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7754582fed652bc3458d3efced8c866c8db6dd68d48166404c7d00156adf2bd9. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/CAGHF2300038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cdd9981cf9de86180403d7ee0d8b1e679f0c017b1eeae8e5de2a7d37e9347a8. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/CAGHF2300039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9ffa636b167edafd332413b0892effbc98353d148b11008d60a38a6d285437a. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:02:16Z), 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/CAGHF2300046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25d6e1e7663d972794280f956e7f9c7c14496ea450369c710a3780a9438b27f5. 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/CA1820800082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cb3e128ee25d57e55654d2737e9272e9977ccf00e98edb776fbe38d7c224b09. 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/CAGHF2400073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa93fc7bcc6d1d117d9c0a87fde6a58b41c19e4c852d5d18bcb52437d23be29a3. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/FR6V80625329.
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
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc80c4a94ed9129a89d5026431d5fed864907942c8b5876c98b462886cf04fdf5. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/CAH722001701.