Klute is a 1971 American neo-noir psychological thriller film directed and produced by Alan J. Pakula and starring Jane Fonda, Donald Sutherland, Charles Cioffi, Nathan George, Dorothy Tristan, Roy Sc
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 0x05e6579a006d621cf07611d764a02d1035ddc30ce3cd1af22b0223aceb96703f. 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/c6ef8198-9a36-4322-a6e6-8868a8e4da7b.json and https://artists.proofprofile.net/proofs/artist/c6ef8198-9a36-4322-a6e6-8868a8e4da7b.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 0xff5bbe485b28eda59195884ad87c2d23e172ac4ca9c28b64cc998c486d88dd34. 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/NLCK41059444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f9e2edd439857de4f118ae15cc2c9669b3f69d709f39863520badff32dc7fdd. 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/GBYQY1400089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa590ebb4ae0ec602f89ba46999f1351445f76ea55fbb18d159d90c16a8057d07. 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/GBYQY1300019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7443fa77d07c050e98e7f6e3c414a1898e9b38ef701a2ad1a1d4ed228dce17ab. 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/GBYQY1000007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5450bc858bda9f60a0a7f65424d67a6d96dc0ca74f2f74d9a9851e7110e323a1. 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/GBYQY0700011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x550e81c2a30969f724acbb66bfc5b815654972a9ca77c635b9c4198b55258ce1. 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/GBYQY0700012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf90a680be450444f75409feff25cb2b882692355dfb91a3398e77a2481119b3. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/GBYQY0700017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99d820143c11a08ecd151fadef16e4c6d52f022e9d50841ce1cd58ea2df7dc3d. 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/GBYQY0700018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16fac94be9ee35c48fc2c572911b0150be9c7c401ddd17f254d483b536eb59e6. 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/GBYQY0700019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c8ce19c35f8e5415ff6f332edb22ad34ed9442b90c6c1e6f768084f2bd9fca2. 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/GBYQY0500032.
Lie Cheat & Steal / You Should Be Ashamed
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41c6caa23edbe8975c8310b871002aea233cc5a34ca7d98f954dfa67c2837025. 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/GBYQY0300017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3dae5272c13d75135c6d0ceaa693feea8873c08cc516fd08c8098a88608fe6a. 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/GBYQY0300023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6799344260a3781e97ce541b76050b34da91843dae0a9b3402a6fad19e82614. 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/GBYQY1400006.
Best Bits Not Over / Take a Breath (Invaderz VIP)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b967ea02d9717fd7e1cfc60c9d2659cb7f5325b40516ac6ef409e7975e0f0bf. 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/GBZPZ0600002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e4931221e89e92164c03d2f697d2523ee698d5b95638b0fc1be28b4807745ae. 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/GBYQY0100001.
We R The Ones (Klute Remix) / Chicks (Doc Scott Remix)