Snook, Snooks, or Snoek may refer to: Fishes Family Centropomidae (snooks) Common snook Family Esocidae (pikes) Northern pike Family Gempylidae (snake mackerels) Blacksail snake mackerel or b
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 0x43e1e3a44024449d17058e7da5d0063df5f6028c421e55766fcc4a2daa28c75a. 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/43e54d8c-2d16-47e6-9f3f-e51f550829cb.json and https://artists.proofprofile.net/proofs/artist/43e54d8c-2d16-47e6-9f3f-e51f550829cb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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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 0x6c3eeda960515687ba57c0277d13e72c4487ec69c82c9d48037bd10f17c77fe9. 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/SELAA0400504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd67c9e3c3951cac5b41e22215e1621aa99dbb07320bc445db4c678a77b6743f. 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/SELAA0400505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x624963d63c57552dfde484683f4cce8e424b054c808e50a4038ce908fd7e0ac3. 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/SELAA0400506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84bb50d9d98749d8bb93e9d2f1fe974ef9204fb35d418102f809cd4241546d83. 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/SELAA0400507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5901326a52faf9a51aee82582c48db84e7500356fa4906581c7a617811660a7c. 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/SELAA0400508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99f3754676691e1f40bc6149d76874c687033888d0e8f21e13558ea86c6763af. 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/SELAA0400509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x684b6ff357ea14feeecf623c08949f234746363657534d2d952367343d8f8d6c. 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/SELAA0400510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeffeafe702d72f0a43bdb75a1130838d4b09f9e02025ae9fcbdc2db8f1a736a. 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/SELAA0400511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66a51e6644a0ace9e3d69679665f70793cd92f442ae8a8ce5989663d1fbc1483. 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/SELAA0400512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6fc30e34ea07a14604e06573645ec3a11755ed97a543d25986350872b173878. 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/SELAA0400513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73d64075ecdddd38ee5923fec5e27fe7ab7535fa5b2a4d0e6ee093c0596f89e. 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/SELAA0400514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf01a616028e3451cef7298418a122eb26cabc3a287b1337f815184c5738cde81. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/SEVJH0600905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee61c58c887bc9ff628426bb3765301ca28e9972ab0ecef61c0707e3fd6abbb. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/SEVJH0600909.