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 0xe4548684d992f3c7e29f3f1c085dbe3d7b89002945f0b156091f410c9e89dcf9. 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/0c8578fd-7ab3-4b9e-ab5d-c753fac54f59.json and https://artists.proofprofile.net/proofs/artist/0c8578fd-7ab3-4b9e-ab5d-c753fac54f59.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 0x374546fe53a5ad5590c37d0f2b8692e3dbe409dc21320005bcd9274d9a266ed8. 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/ARF039700681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa20a25b517b4a4c872d4c5a4de5010b3b422a9b3ad7d73970fa174587e0f47fb. 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/ARF039700688.
Soy Un Juguete De Tu Amor / Di Que No Es Cierto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cefef98932bef3b667984d42ca7b1cc7227311d12b80d98b59e7e30d363ad6f. 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/ARF039700673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea9a4a1664c63a84c3f71c347815d31f2e3f8dd49c7c85e6d652d8a7f5888fec. 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/ARF039700680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11d1f6a12f014daf6340e8759811d46f157b3458916d98ce3cf269683ed13a88. 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/ARF039700679.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1105845e55665546da616a13ce25635b60ced78524d9ac71e6ce60ce5e4985cc. 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/ARF039700678.
Esa Mujer Ocupará El Primer Lugar - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f80a41db3ce9fd389c3b419989ae04f65242b20c864f4380f451c0223688adb. 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/ARF039700692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b168c336d58e59de348abda514b272f18ac095a2550f2a459a256ad5619166d. 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/ARF039700689.
Te He Dado Todo Mi Cariño / Una Lagrima No Basta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9424e063b8d30a5bf493d679bd56473423dde8927679a54ef2f05c6805ba7801. 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/ARF039700687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad0f81ef04380d1c7b427d7ab819dfd738845b4d96b3a4a8e00e907aceb2a210. 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/ARF039700691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb088bab3a57b0cd9c08f475ce2fd4622bfa1cee2c4f55e77568bdf0a5b3f8b5. 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/ARF039700682.
Mi Historia Entre Tus Dedos (Bonus Track)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfb85c416b3392cf56fb52395edf3f44ab1ea3e8cb705231b42aea994075b19b. 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/US3DF2210054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea1dde1b4941fa96f2f06470ecf3dbebd37a322fa0f75cc8b1cba2ae0a32823c. 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/ARF039700674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x228d568b82fc3027cfc8f48278ad1803181ac53d4d449a7e141b56b30c811a91. 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/ARF038800248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0f188c1104f814dbe310a815898a4d1644045454c54292d88697c23b8b17dcc. 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/QM3DF2175359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb8b1caae2d297feb7cc9e8507761156a0e9848c910487ec4d7eadee05686f8. 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/QM3DF2175405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58bed3ebc161cb01dba399539234b17debe9ce5ea50d4710573a044b94879fb9. 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/QM3DF2175414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ae993b05f321cd7fdb594e9273bef652bae99209906c4d768a4f3a72dc603b9. 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/US3DF2210007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeac106ca330d70b30555d5f8d57bff54b84b24d3fb75d429b797a6565a79b222. 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/US3DF2210011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c82ecb3e89f58fb3e6f83c28051efe4f710b56e8c5d2e468aea1c6f9694b340. 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/ARF038900402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d41ff1cad6f4940be1e7a86104b307db7e950f9ccdd4bb90537e24a1f40d44c. 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/ARF038900392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb2a6860a5b141c6c65100f6a92de532a00784a1b09bf4e2efc05dc30f1e32a9. 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/ARF038900397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53561e24b2e7e9de81fecd63abc22370fadc1f0c686c2863c81b4e5c8298b6e4. 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/ARF038800320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023419cb355dc8df41874d62d6bb20bd06aa951b782e242b78cf92841e22394c. 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/ARF038800326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x585bd3ed33f83a723df97c8ccae4276de66c4e9f535b7995d1f8ceec1ee4e2b1. 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/ARF038800327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6771f2fa2850d552bb671b666fc18bd9767729652885afd69d83ec28fa45182a. 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/ARF038800328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb639c8e46b956cfec40eb86dbffb0045e4d2127547551c1d9202669f1ff5371a. 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/ARF038800330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e2f189f7c598a91100dcee24c638d580053ea80c08fce3e35b7ab7e56ead697. 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/ARF038700189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf3d7f4498750cf5fbb53806962186060af24445570f0104edf6526af03ddcc. 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/ARF038700190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fa5abb639c03ab1b58d848fe52db314fcc1fc30b5b9acf228288f72234d23b0. 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/ARF038700177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x971139da3c41b2f1fce17946a542ee3a36f22d9fe019c1922b0dc136c87cafa1. 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/ARF108600123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadbc0d6ef5d8634520b32a6b8b747bfda78caf8424a09dda2a31d98cd10bf266. 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/ARF108600125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b4bd79a890c98219b7b816ea754683e27f12924b7ccd77deac53e3842118e72. 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/ARF108600131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e184d7ac38fa97f81a6278a41be99ea23d106ff6a6d94e3aaedc4300eb4f430. 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/ARF108600132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea053fa72d87f6425010654ad637002ca6cb0442dd3eef14fb45ea681ad9ad99. 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/ARF038400174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6137adf653852cce7dab4ac4a71d64b31760920e837b8c01fcf48c4d50a485b6. 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/ARF038400092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dd1ecf41d2117db6d5496716db5e136c32858ec9ff39a067353097939b35c61. 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/ARF038300074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbc7030f8067fa62634427ba0a2c40bb29a67f45a4462b8bd8ba861537a73a83. 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/ARF038300075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b4bf58c816f0fc9fe88b70daa2a7c820894e722a4a1335c4b38507468fba52e. 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/ARF038300047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dd54a5516b15c6787379c3d1585e93242c06003943c2f4d51b75c9eef40be04. 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/ARF038200068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd0341b88f6f8fc448d345f41da8615a625938c8eca0ea19526d6a42d06c35fd. 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/ARF038200069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13ce69f74f2bbf55b9d96bcb15ce521f2f45071393aeafa823f6c10938c46699. 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/ARF038200070.