Lamomali is a collective of musicians, mostly of French and Malian origin, formed primarily at the initiative of Matthieu Chedid, aka -M-, in 2015. The group blends African, world, rock, and pop music
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 0xd532a39573e620f6e2338c017bbdd51050206bcd5a28227335c67492bd368723. 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/0f9e24bf-0242-41b4-8ca6-0e71f444fce2.json and https://artists.proofprofile.net/proofs/artist/0f9e24bf-0242-41b4-8ca6-0e71f444fce2.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 0xb87b7959e6a738ef34f434a13aba0d3e18caee11f2ca56c6100a697e3efc7e80. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/FR11Y1600003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x287a594939b9f403ca20a8066d45fa7f3f34daf2167647b3d97b05c554b31711. 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/FR11Y1600001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfacc8c33a085a8a3c2da5ace93108dce47c11317fd5cbde9a0bbaa8ad73185f4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/FR11Y1600004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe415c281b4df950eb2e18ea2af123a0c5571fbc5a599d19e458601b8fb498a16. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FR11Y1600012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3461b2b941ef57b32da6e711f5ebe4161e941d8b28b0be3fe8c1eea63aaf8c3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/FR11Y1600013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa84eceef5d93bd04a038053cbd38274996b35a08f0ae2338f488944163bf1d36. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/FR11Y1600006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c3fc2cb93007d8194024770d034225ddcea4c90ffdc1465dec778edd50208fa. 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/FR11Y1600007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc434290f9ac979f0aca14f0adfec4d09f392ad9547be8a4acf1bf9068e47c38c. 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/FR11Y1600008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x205ad4822e70a87d723f8cd6af58c20fb92aaeb1f76993676f9b446b34f9c0fc. 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/FR11Y1600009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c42843b71d6c4599990f2c58770626905d649859c6c03d9c83eab673017401c. 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/FR11Y1600010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafc9363885dfe3b41c1064cfa144ff0e2aec0ecb2ca65d8647e37257edc5b728. 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/FR11Y1600011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7c12de216e131d899fd5cd08c7af67ff5b917a4378a6f3ff8068167a71b1d6d. 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/FR11Y1700040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fa357c33f526c190206859544f26bf360246e54d991efae645e281906cdda36. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FR11Y1700050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb814a5d4421c902b010ede00522314e89b4985617a2544e6956ecac8a4061339. 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/FR11Y1700060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2c739c3d589d4f9e080bc7cca1c086a5eeafc032acbbe5acc230f710dd797f9. 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/FR11Y1700070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfab02ddab740efddd6de5e3e4b75d1ba40583ba62b4049e228e02a00282f1f3. 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/FR11Y1700080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72356f2cba475f16f276b149004baf2707a5b230cf23655f4b0734643d06821e. 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/FR11Y1700090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x361713ff346b71641c69a7ea76ec9af640173035270df2ed56ff28f61006a081. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/FR11Y1700180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb52120f5bfcd9567b61496d285379d777c7407f9ce488aaf75b965ed95f3134d. 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/FR11Y1700100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd80064ba4caf79c0262d9380df41934047c9f8dead3d6e11c3a268da3e2f27bf. 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/FR11Y1700140.