Isabelle Antena (born 28 May 1960) is a French singer and songwriter, and founder of the electro-samba group Antena. Biography Isabelle Antena is a bossa nova and samba-inflected nu jazz and electrop
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 0xb0da5457dff169bdec758076d4645f35952e6f6e6263518ec4c64e5eec6a44f2. 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/9eb90c4c-00b3-4eb2-bed7-b76871453238.json and https://artists.proofprofile.net/proofs/artist/9eb90c4c-00b3-4eb2-bed7-b76871453238.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 0x1c724a330f92d6e7d0b853ed2efc1d68de844fb045edd6c881d6a05ef6bac2c8. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USTCZ0987359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36c9fab699a11a8747ec571d5213bea08c6ae428f58780f5e0fbce788796dd30. 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/USCW62319218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c40ea55eb4e6768f399f4b9f46649eb664d158c674f9aaf0dab09181ad21c53. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/TCACI1554971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb26b112b66a5ea674365fa805f495aa341b7ffe1cf32f71d413e2205f30fa95c. 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/TCACI1554972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e05b29c1be7d819d525491457f7311a992170ed3205f2521f6523a660ace6eb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USTC90983532.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd1181155da4c16282966924610bff149ddbff12dbe6c8a0006be218a7010bce. 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/GBHBR0400680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x264e197c9d991e6d1650e6868df488fc2bb4209f09b30088d3a6495c05093bf2. 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/GBHBR0400681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5ac945456c7e65d2c8d1cdf21f375648c68a55cc77b4632f8fe8674777273b0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBHBR0400682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d6e6e202f9a63b7c59375226076cf2ed15e2a9dc2d3554517a6bea98d60d831. 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/GBHBR0400684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x880b6f80cd43bf1a076501d9b8d5c553f303d0cd82cd7d67d0d9fc67f11a23c5. 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/GBHBR0400685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x005242ac63a4289c4df60f8a13b4f2fcb32f70798b5b19f46254457205e7d932. 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/GBHBR0400692.
Under Your Closed Eyelids (From Boondocks S02)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7a266e2978a31d08fba964e6fa926591a14b2a2cbf0f80fca908af7974684c1. 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/USTC30752552.
Say I Believe In It (Boondocks Ver, Web Only)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd318df1f63a31cb403929993c45d082fb1a90acd3d592d18408984f6d24324e4. 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/USTC10660196.
Carpe Diem / Les Derniers Guerriers Romantiques
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74bcd492a59d308b3b64761535b4379ce60cd52a02eb6d8a310eaf4715f64a3f. 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/USTCB0983640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fffdd34df420ecf464dd3362e7ca5c95d1d205ae1e3d0a2d233c2a66674ebb7. 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/USTCB0983641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06961db018d869f968937c238fd8d7c8ceabf08a6a3a3007cbd4ed2ee8ab59b3. 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/USTCB0983642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb6865c219cd4c31168ec1debfe65a79b69128299a93cfbf5990db75ad6133d7. 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/USTCB0983643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46f07cbb8b8329de2e33564a055c30949d82159eccd96dd949177664d3ab7c10. 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/USTCB0983644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63ff82cf3016395d844611d38391038a720befaed259260f5cfa6207e9c02d5c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USTCB0983645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b239e9dbd948f2f912ebc317716429a33e2148d65a7b8dac2ac0980a7244e8d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USTCB0983647.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92ca854c46ecc7ca5183bf61dd87de9ec6fe8e1d9346e7816d606b3124007339. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USTCB0983648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x370cf54897e628336d561e7bfb0da88fb4245e6c01f428b7b8b520c82d06f936. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USTCB0983649.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfed4e2542a996f9e470e659e7ad567316cb63e130c83f29ebdd9c21fbc1c69b8. 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/USTCB0983651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c724a330f92d6e7d0b853ed2efc1d68de844fb045edd6c881d6a05ef6bac2c8. 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/USTCZ0987359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc848989e860117dfdc94e3a228d064aa116b5eea9a1cad97d2b47a0989d335ed. 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/FR7Z26500001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ae7e4a2657652efcc92f6ffc36042209dcdb24a2f43c3c888cf90fe313c22c1. 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/USCW62276101.