Tuti may refer to: Places Tuti, Estonia, a village Tuti, Sistan and Baluchestan, Iran Tuti, South Khorasan, Iran, a village Tuti District, Peru Tuti Island, Sudan People Tuti Indra Malaon (1939
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 0x61ca77177e5d9e7ab6a3bdc848c712c2ea5e9b2b2e64a386d76df3843d5bdcc9. 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/9352c3bb-3a99-4f1e-a7f6-3ffeefcaeb18.json and https://artists.proofprofile.net/proofs/artist/9352c3bb-3a99-4f1e-a7f6-3ffeefcaeb18.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 0x374c81c5843429108b6c1729d0631c0b5426afddc3ca9e2dc0bb74cb3adb2e97. 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/BXBGP2400040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x102863a2b8bfa661ee43f9db48bdbb0ad48beac715afdf77d7df88dbfe6f754d. 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/QZWV32402361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x447115d1ca1c7fe116ad8089c877659835a8524da054543e184e670f4215ef7a. 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/QZWV32402313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b861dfcafafe402a63ea3148d0ec45b99d3af49332da977e5a9fc21d095310a. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZWV32402367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x407feef37c37569da1d926259e52ce6132c9fbad8d3e4edaadc181ce1526d069. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZWDE2433612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8f90c5cb6fa14a1c84da216ef200ecfd4041bc2ebce048c8917a18627dbcc4e. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/QZWDE2498748.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70f3b7fe5f929659f5a447150c548bb563200e839a31fe8dfe450de3828fd5c7. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZWDE2499888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x778a4644f29143ab5654068b90ed0c08138406a4cd1c9c29e438df1edf9d6d0a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZWV32400767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa94516a477766118419b4a29666c7875b5287ed3d01d8b68c6657300e2ac60dd. 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/BKK082500011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f342fb2ac3fcca1b5de21523cbc5b6a20f8573a6d3a2a1af82051ce7a0cd8b. 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/BKK082500013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa698a5e7490fb3a4ba472cf3bddcfcaccafbb98c3c642c0bc359d6f8d41401be. 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/BKK082500016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f342fb2ac3fcca1b5de21523cbc5b6a20f8573a6d3a2a1af82051ce7a0cd8b. 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/BKK082500013.