Brutalismus 3000 (sometimes stylized as B3000 or B3K) are an electronic music duo from Berlin, comprising Victoria Vassiliki Daldas and Theo Zeitner. History Theo Zeitner began producing music arou
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 0x32d04d2ce95f30859847a708ad4095f138a30cda3ef47c8dec35ac46c2b1b50d. 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/bea04d4b-ff1b-4f5e-80b2-27e5358cdd39.json and https://artists.proofprofile.net/proofs/artist/bea04d4b-ff1b-4f5e-80b2-27e5358cdd39.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nightclubbing (Brutalismus 3000 Version)
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 0x925597c40481d30620e7120fbe257586fd35568571df86f7adfa3911272cb3a9. 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/DEE862400033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf71e0333d70328906fe924976f1f0afca89a0e906e175722464e8d0705eab4d. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/DEC692400042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcef0dd18a9a25b158f13939af672baf6b59c7e823cbb7bd718b09bbef7152cf9. 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/DEC692400235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64e226861d793bd78f7199a72bfbe918021bef483bdb4d254fcb7e17faab5569. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/DEC692401443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52adf04e121c6a1fc374396280114093f73c2bbc2004e43638947fd4c4091b45. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/DEE862500305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58ff01b1170ff3ad10aa5ae85c3a5751cc2d147aef232acc336c27bf95df989c. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/DEE862500308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf28ddff4c00fcdaab7f2156a0d3d09aecb631e3869918762dcc4184e0d4e0d59. 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/DECE72401800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf28ddff4c00fcdaab7f2156a0d3d09aecb631e3869918762dcc4184e0d4e0d59. 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/DECE72401800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67bea9bab9843d045c9d6c41b327da7b9fd44428b7dcb2c01414b0b84a5e570b. 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/DEA622201730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf28ddff4c00fcdaab7f2156a0d3d09aecb631e3869918762dcc4184e0d4e0d59. 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/DECE72401800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf28ddff4c00fcdaab7f2156a0d3d09aecb631e3869918762dcc4184e0d4e0d59. 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/DECE72401800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf28ddff4c00fcdaab7f2156a0d3d09aecb631e3869918762dcc4184e0d4e0d59. 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/DECE72401800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8a579d40cbcf64144e4c4ec8d42f9b19b89d2d6a5bef29d5b3151b1c05c7948. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/NLCK42214996.