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 0x0b1e63c58bcab86eadf36bcd418a5804ac5ff7b1886540e9b75dfeadf822e79c. 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/02b3cbf8-b1c3-4675-bcdc-a8efbbb1cc2e.json and https://artists.proofprofile.net/proofs/artist/02b3cbf8-b1c3-4675-bcdc-a8efbbb1cc2e.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 0xba52f068a592bc6b12364addf69a4875ceb74fc9f3f0de3dd29c07a84b969979. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/ARF062300286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d423fa6031863ae14e5bb814e9f69ac014e7caf7a7b449814a33a5307e5b238. 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/USA371419701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03137d95c887daf39f54d9d120264e5303cf0779a4f108c63e0e1e7620c29af6. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/USA561045785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2055e7bbf86e18a5569e3114bf3c32f893a29e34e741f0ebd703c6d585a7a19f. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/ARG101206721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16cdaedfce185b74ba3aabcc2d5cf63dfd25ed5d1fe86db6ae99572811d99001. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/ESA011922500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x694c6bc785d1f31049206822235643955466d294982d6e8b8a6fc861ce740d43. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T16:58:47Z), 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/ARF061601332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x393245b9d62b8ac42c06baf56918cec811c985e7cc619f3b9c6a771d993c95a3. 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/ARF061601338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf35eea21b5ac385cd0b51aa9639c1011adc28fcc2274108a61f29bf75a35cf29. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/ARF061601339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb9a19276651a76c53a95991fee9d9b529f1108b29b0bc38e8e57f7fe247c9d7. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), 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/ARF061601341.
Todo Se Olvida Cuando Hay Amor / Tu Amor Se Lo Das a Otro / Prisionero de Tus Besos / Se Nota en Tus Ojos
No Lo Superaré / Ahora Es Tarde para Llorar
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cfe2e588fad305536e7c3d2b1adca06debc0cdee45bf2a9e1327886c0ca963a. 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/ES71G1907282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ef8f744a31461fbca5dedd1e0f1aa0166e54d69bd0a314f1852a13853409b8d. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T01:47:42Z), 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/ARHXW2002843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c141276587a7bc2dde81da585cdc20a868f66bb51c2039caec1db706710a790. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/ARHXW2106049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacd85f0ce5010d9a821519e95aee92c048582703a79dde7183b4cf223bece64b. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/ARHXW2200945.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2b24f1203eb62cbac3eb7b4e45dfcb2326950a8123b0577ffd5ce669d799f06. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T05:30:12Z), 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/ARHXW2200946.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c5ca804cd551e702076417ff5665db136d79a70085a967e696bdb2336612892. 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/ARHXW2200947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d737fdf7b44349ee1d763186b0269206b52eff73bef04211596bc1228f5464e. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/ARHXW2200951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76ad73054624504f8dd1dbfe86b24b49ff879392041f9d33fb30bcfc8d0800a9. 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/ARHXW2200953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x237b594d0d7c6dd94ac8291d1425f7a4d5587927dbc798f73299ed4bae64ddb4. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T01:08:10Z), 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/ARHXW2200955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd11667fccf57b55d800f07be1485a4c4f2142fabf04a13105115face0d7b6c64. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/ARHXW2203048.
Enganchaditos 1: A punto de estallar / Corazón sentimiento y alma / Corazón de madera / Extraño tus besos (En Vivo)
Enganchaditos: Me parece que / Por culpa de ella / Niña no llores / Dame cariño / Así si / Ole olé (En vivo)
Juanita bonita / Por ser pobre / Mentirosa no eres para mí (Enganchaditos en vivo 3)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aff4b7b841dcbf9cc9cdad000aae7598ff0f87cf55914e52792f609125c02ed. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/ARHXW2303388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08a75a72aef105a1b019db97b5c762292b9dd0e7267d0dd22ca35f57c5997491. 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/ARHXW2402434.