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 0x7f006c0a890c0e35f0d331a0cf3a1c01a2b1c341fa3872104316bfa5ec0d6103. 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/3ba92b22-e3e0-4c51-8f3e-e9a340348632.json and https://artists.proofprofile.net/proofs/artist/3ba92b22-e3e0-4c51-8f3e-e9a340348632.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 0xfd4a805e6e3968d0cb07e6dec27fc840cdb969f7ddd2974cce825f80f1192374. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:22:22Z), 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/US25X0801002.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1878f7f0b742854215f65bfee9a39f80364ee3ab39f6e5232fcf5692a2151105. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/US25X2500042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f6be9644b216a6a0abf52ed009decb8b252842efc358dd69aba5d46af9db3e. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/US25X1086090.
Icarus: Mountain Climber (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd662e525c244f64c4424ee4ddc648246678158cd6f137c2af4993106c95c2e1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/US25X2400509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16286e5d7daf5a7b668df8d7739dbe528f42e20d497449ef9a8327b6e5174c2d. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/US25X2400514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03a8dccbddaf75e2c524317bc72acf359bae373bdfdbb1f700478d93d5825730. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/US25X2400508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd662e525c244f64c4424ee4ddc648246678158cd6f137c2af4993106c95c2e1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/US25X2400509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16286e5d7daf5a7b668df8d7739dbe528f42e20d497449ef9a8327b6e5174c2d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/US25X2400514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef77e563ed4259fd36e522ce12b9d0f8c2dd64e40105d7e2d82c9ef01d055048. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/US25X2400515.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7445ae7d1a335e22b83cd11647568f3277ebf0033b72ec3d6a6b1b71607314a0. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/US25X2400517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa05f92c5101aa0f2e1e435723d0428d596071fe5e87bed21decc48e420566cd. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/US25X2400518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23895f1fb9f6b59278cd13a8ddf6568fc1f8eeeafd9b561ba649acaaa88bc078. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USUM71205613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23895f1fb9f6b59278cd13a8ddf6568fc1f8eeeafd9b561ba649acaaa88bc078. 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/USUM71205613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f11b8831df571187e9e3f9c2ea8b37f5e0f4be4bcba195d9d5d92be5201084. 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/QZHCR2200057.