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 0xfe9931ef0feb9d6bc1a6ad53a02612e320e83726c803da58a9786d35123fe873. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c501fa6a-b1f4-48db-936e-5a9a886273e4.json and https://artists.proofprofile.net/proofs/artist/c501fa6a-b1f4-48db-936e-5a9a886273e4.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f1aff787d16481c8d169728bfe1503e2804bf6290f6e6fa4d6da2417108935b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEEQ81100019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x426abcf762b0cbd5a53d46ac5560d3efe392c30e71d59a6bd25a3f8992a40f12. 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/DEL941600023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb52b6d765d68ca23dc438108730942557c32f99889c214497d8663dd9ad8f74f. 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/DEL942300202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f0fec926c3014b52e9ceeaf30fbe3cc4a5a40d5dc493582ef5e9d85777e52c8. 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/DEL942101918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4a0e7a55de42d7b10f4ee097281841a91633e9baec054b53e4a9a4db0bf064d. 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/DEL942000010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x227f57a530b623ad2a8a9d6d0bb9d1485b09662261a4bacb48d1c22d31c5b7d1. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/DEL941900030.
Cinderella (Du Luder) [Hartes-Luder-Mix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46bf2ff0ee3abce61040ea5425308a76a8f474cea5b0668de7eff983b1e18413. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/DEVS21801113.
Wir trinken gern (Wir versaufen unser Taschengeld)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb851750b670ae43a5957f909f1d737216316179b40e83e22119c688670d2072d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEEQ81700015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3da07a13dad7b294abe9ad644d8dbafecda47e0a3171325362e8c6ec9cf7a19e. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/DEZ921400409.
Hände hoch das Spiel geht weiter (Apres Ski Version)
...und dann werden wir Europameister (Ra ta ta)
Ich hab die Schnauze voll ((Seifenblasen Mix))
Ich hab die Schnauze voll - Seifenblasen Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7e59cf705ad2c3615286bb24f28475edf3014880c75faa53a5171962bfb9e5f. 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/DEEQ80900158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43673af339cbc0926933ff9103607ea01f0485ae12a7c254aa30f041e19dd079. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZZ782492889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b14ebf3bdd25081aa338f5a5a6baef3502b284e1fbe1d152d710a34cda43e21. 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/DEL942400146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8532495dcf40528420b22762392a85ca1f5825000ce4063bce8c811742271642. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZDA42595712.
Mallorca Opening 2017 Powered by Xtreme Sound
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb851750b670ae43a5957f909f1d737216316179b40e83e22119c688670d2072d. 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/DEEQ81700015.