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 0x9b13c19cc94e97f86e26337d9057dae6dc1a370cae468d9de11b6871cdd309f1. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/831a486e-cbf8-462e-b5e9-eb16763d6171.json and https://artists.proofprofile.net/proofs/artist/831a486e-cbf8-462e-b5e9-eb16763d6171.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ich hab eine Freundin, die ist Tierärztin / Polizistin
Ich habe einen Freund, der ist Lokführer / Feuerwehrmann
Ich hab einen Freund, der ist Lokführer / Benni fährt zum Bahnhof / Der Zug kommt an
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 0xbc3fb37c882dafef4713ec20ac4c3cc864985ee9e3e348a917d88b256479cc28. 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/DEUM72111023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0b59d403fa1b11361f9aac8d2d66439af51b345e04d10e9eb4797a206d26b5a. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/DEUM70600006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x007c1be17c785326835b9619f44c5fdcf0d20d7fba7f92b8298e9a5ef7a7012b. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/DEUM70600007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7cd43b3e57210727cfe9057cb2a3013d94131ab8bf59de5df7a28199292a1c6. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/DEUM70600008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06c23b5195f26f6c6dfb0e5ea401fd67eeb559206454a0a78ac401ad599f6a25. 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/DEUM70600012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f8cfd36437a19f077e20703a25dce68bc064eb804a119a536ca1b58835e117e. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:33:47Z), 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/DEUM70600013.
Ich habe einen Freund, der ist Fußballspieler / Rennfahrer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x940afd236d6eb627bbe6f1978b87d967fd5b71c4100c10e7e5cd5c52a41a9e5a. 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/DEUM70600026.
Ich hab eine Freundin, die ist Tierärztin / Das Zwergkaninchen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe36128479b37338cd7adae3fa660b6bbeac89c0de439b6962357c58bbfca4a5d. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/DEUM72111029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab31be2b486ab869a90f978c2c85824322537fb17c10c24b82be22ddcbde8ed. 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/DEUM72111030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc93df63f10f703117028ca2d70c2de8baf0122e7b12ce5e885d94061108fc76b. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T11:08:21Z), 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/DEUM70600043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4020084f594c3bb80d42b0559cf5d98a991ad66df528ec12b2f7cc297c5f81db. 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/DEUM70600044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a8d7622a90cfeb49aab9b4d188b09010476a55323be7791735881ce48091e98. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:07:20Z), 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/DEUM70600047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b645e92ee612a59b903fd0e4abada9b474ca25c3ad396c7ed32e4289b4f6fc4. 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/DEUM70600048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dfb2a3e10a5743bb4f5079695e5d2b6b0541759d02b064f8bb2ec8a11667398. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:25:49Z), 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/DEUM70600050.
Berufeserie 6: Ich hab einen Freund, der ist Pilot / Bäcker
Berufeserie 4: Ich hab einen Freund, der ist Lastwagenfahrer / Bauarbeiter
Ich hab einen Freund, der ist Lastwagenfahrer / Peter holt Benni ab / Im Lkw-Zentrum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8e44b137eaa9a6dee12426935bd7b497554e8dfc1bbb3e3c7cc99b8f535855b. Chain 2 (Bitcoin): anchored in block 958920 (2026-07-20T18:14:22Z), 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/DEUM72111846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe63a6a625b0f0ae8da08f0fdec507010c13dd72b2e4749c1cc3b72eec5d97669. 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/DEUM72111847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2d63e825693d37eb5d97f159f5b02e38bff1b41de323e2b615908d6eac94c05. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:38:08Z), 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/DEUM70703260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe3b5f3aa220539c88131b337fa6f4701fac638d85025cae53277dba999dc7bf. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T11:21:00Z), 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/DEUM70703263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95e6c39001fe771ea5d715af14d862cbdcfbb00c79833b73dcf11a8c7ff66fc3. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/DEUM70703266.
Berufeserie 5: Ich hab einen Freund, der ist Astronaut / Kapitän