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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4db398a5ecee78d9e22333c88f549c6f2a206e4663ec6f644f310620a4ac1b23. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/56d09885-c5a6-4f44-a518-c79e9624df6e.json and https://artists.proofprofile.net/proofs/artist/56d09885-c5a6-4f44-a518-c79e9624df6e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ultra - Das dritte Ohr (Intepretationen befreundeter Künstler)
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44c025242bc3ae1a49761d8199bd080511d12e876a18b13f532c5136c9241cc6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEBZ71500414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5729a6bbc3f0722564015d9f7aa0e3b429e9e398d26b2e5b56f091c5cf553dc. 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/DEBZ71500417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa64ec8bdf58b3c2f357f7b6a5224189af4e14548e93cad3e9260d565508d259f. 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/DEBZ71500420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53c636c73852c52460f6448b4e07733186d03e7679a698603de562bfdc611fe6. 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/DEBZ71500422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12d57f553916fb4f0a0f1c54901dfe5d82cb69ad480c64e1471abe2515cc16e2. 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/DEBZ71500425.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd8f7ac2b57c936c0963b902f5453c7f18c8d30f4c00db332e6e2b226f7f6820. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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/DEBZ71500415.
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 0xd4d15fbfd2f7ceb80117ecd09f376f7f1342c57ecb811f7f9324919279dab26e. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/DEBZ71500416.
Triebwerk - E-Craft Remix by The Firm Inc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b4718694354c548a8f9b8a5a718a1bb82c9a19385100c71e47354a6e7ec5683. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DEBZ71500418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd14e19457c001810e0592bce75d9f64ebae23e6f6277323029e86711abbec1d0. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/DEBZ71500421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3b305152a06fb9087316716e20b15d76f1f48076e90dbfec896216d4e166378. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/DEBZ71500423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca6dcf40a8352111fae0babe6a5d1c21f35392233563266ebebff08380bd42bd. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/DEBZ71500424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1df69152582a8834a5debd25507b9e0c14e58180b742fcb1e9f3f87c06bd95de. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/DEBZ71500426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b13cb76a2fe5b15e7ac02109a556bc04e4a2c6ef7ae22c6735fbc2d49befe32. 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/DEBZ71700103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f109eb3714c4ae62eb51b087e65c06bbda1360c27c900c70a668d969836d2e6. 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/DEBZ71700104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x290e502afcac339c2ebbe738b94a359a4df1fb140d2d1fa62da75929cf02a315. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T16:59:07Z), 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/DEBZ71700098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ecf09c2b660e3a093fa4a5354bd564dafea1ffe71889e107e8697ee10060149. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DEBZ71700097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b6c9e20d34fc5c4db25d6d99bd8e24dbb9a7fd593ae27a4622d0a90fede3775. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/DEBZ71700099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5140ae7a226f6eebbddab49be3796d599b2a57846ffe5b3d3ab23219d4bd01d2. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/DEBZ71700100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1ff841b0b6f68ac7bf678442d41c1008ebeb274eadfaac58c5b13d34cb72e96. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/DEBZ71700101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99a02ba7f5d67196ab0672d3c1627e6bc0b87525ba7eb0e4f09b910c8ff5b347. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/DEBZ71700102.
Digital Heroin, Pt. 4 - Liebesgrüße Aus Berlin Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x576c8e8961c9f12969ba025e5d6288b5716d719ee811a6b1a5e6bd10855483ad. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/DEBZ71800607.