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 0xb7a28d307361df59f0ac2342dd421bd051d3b90dbfca58b801deb4b20a8e3f95. 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/4234b13c-1384-48df-9552-34cd9492e505.json and https://artists.proofprofile.net/proofs/artist/4234b13c-1384-48df-9552-34cd9492e505.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 0x1903f2feff2f6a3f202f3320bb14acd7f96e94d9c909953e7d475888f2cf726e. 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/KRNAR2233451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c1ac486643960f81645d8bd483d21eec471cd0fd6e4a1595bdb8776cb0e5a67. 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/KRMIM2327506.
Frozen (feat. Ashley Alisha & prettyhappy)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85cf7299574a64ebaffa10daec2152cff83407ac02bd42d4fd7594977e2088f0. 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/KRMIM2200059.
About Time (feat. Kelsey Kuan & prettyhappy)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefd8eb2af3391d87ffe45be46810366010cba2d8b29f351df8a76a3a61234749. 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/KRMIM2203366.
Umbrella (feat. Ashley Alisha & prettyhappy)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x682dc1b0a8c3a5229e93f3a6be4bdced1ad0de24f430e8f9bda4d2b134250737. 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/KRMIM2236150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c1ac486643960f81645d8bd483d21eec471cd0fd6e4a1595bdb8776cb0e5a67. 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/KRMIM2327506.
All My Friends Kill Me (feat. Kelsey Kuan & prettyhappy)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8af9a5f74b22183e58cad1aa8fdee8418422ecb09e36752a7659b10e92fb0a2. 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/KRNAR2205100.
Between Us (feat. Kelsey Kuan & prettyhappy)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67e55b34b9ea3adcaf393c90d481ec7a5fcccc49875e0d35c1e83b993feb224b. 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/KRNAR2203646.
The Starry Night (feat. Pat Kiloran & prettyhappy)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c7418bfb40aead0a06b53270cf33c78072d14e2bcb9139c40e8a1b29659a64d. 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/KRMIM2262372.
Forrest Gump (feat. Kelsey Kuan & prettyhappy)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a6853a794f7b2535b310248240f7d36eb509ca080648b768a40e3bc3b1063bb. 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/KRMIM2247576.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b6e22346727d1391be918e4a1cc7d2cc565c721b230ee53eeb713331df68d60. 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/KRMIM2243620.
Umbrella (feat. Ashley Alisha & prettyhappy) - Acoustic Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf448c9f1c0a3d4c7d0cf445b88da532179d5f20d01cad450a5bcf5987d63e8bd. 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/KRMIM2507805.
Umbrella (feat. Ashley Alisha & prettyhappy) - Acoustic Version, Sped Up
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a89a1749537d8b344a41853aa47d109ad9b73e45b52eb26fd7f23c71e3d689a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/KRMIM2507806.
Umbrella (feat. Ashley Alisha & prettyhappy) - Acoustic Version, Slowed
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f75e99bf018e7079ed8b94ae2efec0c96f8545f52b999623425cae0dd9ec7ab. 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/KRMIM2507807.