MBB may refer to: Television Men Behaving Badly, a British television sitcom Mrs. Brown's Boys, a television sitcom Brands and enterprises Malayan Banking Berhad, a bank and financial group in Ma
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 0x5ae57174d647496110052d3a37eecd74a41dfc993a04978c0d630b96b7e8feec. 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/075df4db-708a-4292-9b10-2e41fb95bd84.json and https://artists.proofprofile.net/proofs/artist/075df4db-708a-4292-9b10-2e41fb95bd84.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 0xaf431a34fe65b697eb3ac53c8201068bdd8789a6fd1f6669ef44c65f341c7ca0. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZARB1862142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34eea3b8f842a7d3f7e169901c21c161bbfdaa992ceb4651d623372f97e3986d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZDA81924182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf96a5f2ec958590ff04d254a546456471556cc13fb4e1bebbe43349206d17a55. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/QZES61910204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd3ff81d61ce85bb889440f2bd9dd5b9318219b2d93c7667f219cf6f52e48f79. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/QZFYZ1982541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb3eca49fa57cd470c434ee889ccbe19e488501fca0c09dfe01168b8c6de680b. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZHN81932163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21b3ff3e379c064461a36d9ba9f54ab00042e36a67e8404ec499b24a48e8428f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZK6P1949765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63f7d57393ae2ad37a71b349213b866769cf08d8584c2f8938ec5540e18cfd43. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZES82027609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x844fcdd3166709d67fd9dadbd2c131304217adacd9304be495b8a787fe1b3e80. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T10:09:30Z), 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/QZNWT2141628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec2c1b9ef7ada8b45a23b792c189fb973fe761546d50e1746fcbfaece9a77d06. 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/QZFZ72224884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d94a80c0a3b7b747a9d7bf2781b21fcea1f69dc9e0d67761731db83728b8494. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZDA52283256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c1d5fefc018425eca2c2a5e3eca3ad0fdbf1d87daec859acd126b8b593d6f8b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZK6Q2287140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x723f267fdf4e3a65c8a5ea718e84156771ee26c65bcb190df0d590ca0c3c44ac. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZFZ62579743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x516e0a21736843821726fadb0279c80dcea2c3ec991126f6ceb98a959212e9f9. Chain 2 (Bitcoin): anchored in block 958329 (2026-07-16T21:48:38Z), 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/QZDA52585760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1068a27b21b01d4853e635febdf39c4a9f0503de291bbb23153fcd347a818bf. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZHNB2550014.