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 0x2b9522ab5eba9cbc3914c32706806a7516403e57ce31e43d8346814d7c89dfb1. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9bf2ec85-6ad0-401f-b239-e4693e95b9c7.json and https://artists.proofprofile.net/proofs/artist/9bf2ec85-6ad0-401f-b239-e4693e95b9c7.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 0x1011580909fd4d57bce1838ffd65d82f6d045278fce21e2cc333e91323aee3c5. 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/QZW9L2388229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1300172c86f0e4ce5040e7eb4c894d3e7d808192631a19b4b86bc5546e345983. 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/MXF150400147.
Amándote - En Vivo Desde Pepsi Center CDMX
2000's X Siempre (En Vivo Desde Pepsi Center CDMX)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bdf83868a5b7a1b6b44b45a81abad0a8ee0ee7d0c3db4a36b312e544b1c1de6. 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/MXD782401482.
Enamorado de Britney Spears - En Vivo Desde Pepsi Center CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a79c9b7e6c1b3531f24e26358ee704b48bd976e1d202078e6e1487015dcd2b2. 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/MXD782401549.
Ya Te Conseguí / Solo La Mitad - En Vivo Desde Pepsi Center CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x276536e1d025270dff91fd3aab89828bd61c12025bb0280a839b3862d9b5ffdd. 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/MXD782402353.
Tu Rey León / Sabes / 12 Rosas / Por Tu Amor - En Vivo Desde Pepsi Center CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5577e03c3b2abc1b6c94706aa0164b3a8f0019599b59d69e60310b95ea6cfea. 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/MXD782402355.
Amor Mío - En Vivo Desde Pepsi Center CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x098f1933c4a985e82fd296e4cd778513b2093c8549db479882cf91bb355b9121. 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/MXD782401545.
Misión S.O.S. - En Vivo Desde Pepsi Center CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb950dd605d94647dbf8d0b554c4f33c1059577f59b64c9b12c11569b2a5666e8. 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/MXD782402279.
Divinas: Quiero Quiero / Las Divinas / A Coro - En Vivo Desde Pepsi Center CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82ec7b45be0ea85024f078ec499da78ef9c396fe3690d2c5e35ea53823f75d2c. 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/MXD782401782.
Welcome - En Vivo Desde Pepsi Center CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc877d5f069b5df02ebb7c1ccbb5e7386f1e0eaf9f7d6a8526ba5a9949ecf1b24. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/MXD782402359.
Alegrijes y Rebujos - En Vivo Desde Pepsi Center CDMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30c7325fb3f83abf15f3a423f3c5d9618f7d915f38a687e34a5e256f79383a3e. 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/MXD782401481.
Enamorado de Britney Spears - 2000's X Siempre En Vivo Desde El Pepsi Center De La CDMX
Enamorado de Britney Spears (2000's X Siempre En Vivo Desde El Pepsi Center De La CDMX)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a79c9b7e6c1b3531f24e26358ee704b48bd976e1d202078e6e1487015dcd2b2. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/MXD782401549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0a135eb18db5031f5a746956cbb8412c27725faa35209e7792eac3cdca6d039. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/QZDQH2162693.
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 0xa859aa68e98ae73b5b52289f70756f8c0b4c8d7dc1f96d4aca1d7c083e09a8a8. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/MXF150400140.