thumb|A selection from the LEMO electronic and fiber optic range of connectors LEMO is an electronic and fiber optic connector manufacturer, based in Écublens, Switzerland. It is known for producing
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 0x8b9a80fafb9ff0374811ee979fa33d6b22220190be5e0fc2928efa6e6ebdc7f5. 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/212ce5ae-6954-4855-ae9a-9044018b0f33.json and https://artists.proofprofile.net/proofs/artist/212ce5ae-6954-4855-ae9a-9044018b0f33.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 0xbf062c125cd19375ac5f54fc8fa94064788d2bedd7340bded62ffdf41ab15307. 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/DEL051610001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c1c9b5b03ceb0722f3bebd482cc8f3bc808a6281e26563545f45f107db82e05. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/DEL051610002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77dc3342ff007ae65af294346f515e8e58738815ea04c8e9309cbd892552f0e7. 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/DEL051610003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd49201680ea3fd9548f083336f16c33984376f423b6eac607d58c275a31f557. Chain 2 (Bitcoin): anchored in block 958733 (2026-07-19T12:51:21Z), 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/DEL051610004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43f8220e0323c9b377bce692c2cbd65dea09f1a9359f908af212893931318914. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/DEL051610006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96e84de53a1c37dae603eb7f31f12de124f51e12344b157c979759d01772f32c. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/DEL051610008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb458a52c8218f34342ce61a48cfd9eb63b446bf086d6d9323750fe097a0f16d6. Chain 2 (Bitcoin): anchored in block 958668 (2026-07-19T05:16:11Z), 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/DEL051610010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d69aac3a6e0035757200d200f2447bcdacebf214aec9be7646806908fe6eb6. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-02T22:05:07Z), 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/DEL051610011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcde8f5fe3092e8abcb618bec3bed68d8e7ac91cf35380135a81e77ff29e0ec66. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/ATGH42000009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ce04a875d2a110c2f5471fa5eb1da98c715ce3c7156b12f2a57f72b37f408be. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-21T22:00:50Z), 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/ATI872200302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c53b364547fa94efafee00dedf69dfdde7c3c65961ff359eaae8b63a4f88f20. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/ATI872200303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5a6a98096b527bc9c2ad2c9ccdfe017eb0b879d142a40d08a427e582e17b447. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T05:50:22Z), 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/ATI872200304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa53b34a2e60eba209fb3390552582c2b8102c1100af209c11b87ca186ae76d3. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T18:54:07Z), 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/ATI872200305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1f6b63c13d3995052f194847101528f6c33eb8c60fd0662c8b033ed4e1fb24b. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/ATI872200306.
Ich wünschte du wärst verloren (unplugged in Wien)
Der Himmel über Wien (unplugged in Wien)
Ich wünschte du wärst verloren - unplugged in Wien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e034ff49c99cb60cf49882c49de916af638cdd4c9a402936e7c2c874d6b6294. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/ATI872401301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b8218a376477176c339c88847794138c3ffbd6c0f4263bfc4246846aed23184. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/ATI872400801.
Der Himmel über Wien - unplugged in Wien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x796a4a4e6520407147ce9addafdadd8be8cdf3994e9df204c1e76dce3c18845d. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/ATI872401401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcefee6a718fc3c7bd52cf0653b94b1b95fe568cce564b361f3ceb9bab8da734b. 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/ATI872401001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b8218a376477176c339c88847794138c3ffbd6c0f4263bfc4246846aed23184. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/ATI872400801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a353ca1f9a1b69811be96de37a0007e03dc6401d2f63d692261fdee87431732. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/ATI872400802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e034ff49c99cb60cf49882c49de916af638cdd4c9a402936e7c2c874d6b6294. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/ATI872401301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9debb7a076e15c87c0e03ec5ab1fa6bd8d120a1f3edb42fda3ea382913b0c8f. 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/ATI872401201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9092803adbd275939e6138b9288aa1dc0ad4f9ed8157dab5529577fb618fd1dd. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/ATI872401101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40ab0baa83b48f4349c82efd0179808d21cd4bf749ca48b0c07a5c5581f8b0ce. 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/ATI872400803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a8f8cba2eb5b6d0490d9a0bef6f397bdd9448d3b27953c279dc5bb488ded2f1. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/ATI872401501.
Halt dich an deiner Liebe fest - unplugged in Wien
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc34e9fc975e3ca17ef097a157c44ce563a6f39fd7adb8317ffd327d83e02003b. 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/ATI872400804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8c9669c2ed4d60ab94a988e52898ebfffbb13ec168f2e831c203e430a6a9c28. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/ATGH42100043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x019937c15507314317bc16cd9442b533b4a98d36b82febfe7fd1126132f7fd8a. 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/ATGH41900005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd76e2f454d80c16f660491c21f8a81ab0f0b992e54ea18604c7f0101a651925d. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/DEA811900583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2d6a1053de339bdf4dc345c0453fbc024661ce82afea87a11ff4623c0999263. 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/DEA811800568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2d6a1053de339bdf4dc345c0453fbc024661ce82afea87a11ff4623c0999263. 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/DEA811800568.