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 0x92c2fd4c7322a58b2a83de91d213edb474e9f63939a0c718d73dfbeac2e8c4c5. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dc8367d3-fb00-457a-89c3-b1f9cf5181f8.json and https://artists.proofprofile.net/proofs/artist/dc8367d3-fb00-457a-89c3-b1f9cf5181f8.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 0x769cc20405ceb71ca79dddfc7fb806d1e4c4ec2d315b3c5f9676d737399109d9. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/TCADL1811844.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefff773dc5b4024a7166bc9af1992d5606951d01e5169e870301914245b694ee. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/TCADU1850072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x659b07303c04960f920119a329fd4f9b90e270636b172ae53df3531d5435825b. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/TCAES2082364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7b61a67a173a6d08ec3cc15451a05003ad995d43ef89dd6ba153e2a18798621. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/QMFMF2002739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x678f675920df99a5766d68d48164f4f684cd6a75b17400c24726f2fec1916d1d. 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/QZTBE2437508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbefc5fdfef04a27646047cf1097ec12be1feef4d54e3e37b0b6f2c13c91563e9. 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/QZHN71932532.
Simple Adoración (feat. Laila Olivera & Johnny Peña)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7850a84578f74b0183affbb1c26d6f0cb2339e1a025f33962cc4b922873d9f9e. 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/QM4TX2258565.
Tú Eres Rey Medley (feat. Laila Olivera & Melody Adorno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c0f4ef540604b8a13e12822701d5d4ec9b7d661d0eee6bd84b9fd13c47d4c3a. 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/QM4TX2258563.
Acercame (feat. Johnny Peña & Laila Olivera)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9df82a92df676e6570e62db87223f6c1d304babd9f4acebe14a3373e8e054b16. 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/QZDA62187743.
Consume (feat. Laila Olivera & Nate Diaz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0fefb57136d64a40c6a79ee914201d9c1b680d09e33bdfff4f37d3661268ea6. 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/QZDA62187750.
Aleluya (feat. Aaron Moses & Laila Olivera)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd11a818cc753e55929351526a3ebb750370193b6c0f99e6f0bd2f10d17e4535e. 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/QMFME2161493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2c22900bd0548e59133f6bfa0fd3c824aafffe6c653d49fc445db344822c019. 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/QZNJX2177880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2c22900bd0548e59133f6bfa0fd3c824aafffe6c653d49fc445db344822c019. 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/QZNJX2177880.
Aleluya (feat. Aaron Moses & Laila Olivera) - Live From New Jersey
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e960b103f2bf247c84a04c6dd913447d5b0a7655a845c822a9e4eea16822060. 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/QM4TW2255853.
Emmanuel & Como Dijiste (feat. Sam Rivera, Melody Adorno & Laila Olivera) - Live From New Jersey
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x651301d45829f04bc313f9f351dae5b6ec33b0d69a39bc191ddeff41334caf64. 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/QM4TW2255852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x676318b1587d952c2b4c7e89c279e817b63fad9bcfc5dce0976d77e63b2f38bf. 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/QZNWS2287345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17a8b731e09bc9e2f5c4ddf224cda9f47b5a200b068a590b30c669b507c048c4. 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/QZNWZ2139543.