thumb | rightLeona is a female given name derived from the Latin word leo for "lion". People and fictional characters named Leona include: People Leona (wrestler) (born 1980), Japanese profession
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 0x492d2747c58ca0b32feb77b8c6ee5c04fe6afd4de49f37ab0349b17cccdc2a97. Chain 2 (Bitcoin): anchored in block 953600 (2026-06-14T06:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0e0d5857-0159-4d97-8142-faba2cc1865d.json and https://artists.proofprofile.net/proofs/artist/0e0d5857-0159-4d97-8142-faba2cc1865d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lo Mejor de Nuestra Vida (Primera Parte)
Lo Mejor de Nuestra Vida (Segunda Parte)
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 0xcd6a6446e1e00dfe03460ccbdb4a0b456935e347a90f739bc1ed877f665ee0b1. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/ESA092310043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93b95d94bb8b12b4a5c8b4055afac68d89362431e9e3cda6cb26e01b4899b800. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/BEJ042500089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcee411e077420f991f966197ae5d4347edbccc0f4508f9e2638f11f1073377cf. 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/ESA092509132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x219b9d52db2ea2e908715704f0aa4feb65c6fc103bf6f7b6d484b6fcdf308bb2. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/ESA092509133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d96c1a476b775c44a28f75a4da1420f33fbe076926fe64447fd7c7f71ccc2e4. 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/ESA092508285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad3ac750462b352051191e2d00e62f746ab976f20d87e5df89342099e24c968e. Chain 2 (Bitcoin): anchored in block 956862 (2026-07-06T02:10:22Z), 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/ESA092509136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc97fd1a5e4338ace2e9dec5f096a791e98209c01a886dc5dd492a00e824f1fcb. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/ESA092508286.