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 0x59fa06380510910ac626a707708a3e46c4b91cad405a2fe16bd215b59c0fcb2b. 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/9ced409a-815e-479c-8d69-4823b3c2d0f0.json and https://artists.proofprofile.net/proofs/artist/9ced409a-815e-479c-8d69-4823b3c2d0f0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fuck Hvor Er Det Fedt (feat. Kato, ATYPISK, Gilli, Ataf, Mass Ebdrup, KESI & Sivas) - G-Mix
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 0x64342ee51b68e7d28b42a5ed4ca9c556b6dbe0c66adb96d65b0ee2f24a1654d8. 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/DK4YA1207121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ab9be906ce31eb28249a0811656835cca979d7e6cf61c9f000b649ee4b6dbb. 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/DKWL21200101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc255db529a9052ee7258f63911d60b5aa0ed91b3db9dd02a7407e5c6395ec8f9. 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/DKWL21300801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe710ec272d12625053ebc0fd6bcca59bae3c8fcf1c70d83c5e67bf9493727e66. 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/DKWL21200401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57659fccc67c4118bfe311c78bd7bcc3ba8006712fde9ec1f9cbf56b0aa9a22e. 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/DKWL21301001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02debbc4fc1db706f6c83234caba6bdf15e13ebdbadca17d7783e425448fdb27. 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/DKWL21301002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3843bfa15d64c6fe345e420602389169f64c95d6bc280cfed2158d902b7d2a06. 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/DKWL21301003.
Byger (feat. Mass Ebdrup & Semih Automatisk)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f416f26c90c0d4b75a0b185ebc121d034d1be6abaeefa17e42b40094213f534. 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/DKWL21301004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06c018ab5f215f3cf0178f5c51f573f139bf0f0c18cb5d6301b221d3cc991981. 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/DKWL21300901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d49a002f426bba0260732f43f13f8d373c1fe5e485caed268c86e1937d079ff. 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/DKWL21301005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fb07765ae3940e169edd20ee72c5a3cd819e0ff0ff3cbae5aff530e1eff20bb. 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/DKWL21301006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1628ba34dbd5f23c1ba838bb46d57ef5dc0dac5e256e5cf4a69b66f25da8284a. 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/DKWL21200501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0066b85f8c0bfc5dd74251d0323ca9fc7b0ad4ce8798708a99d45dd99c20f5a. 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/DKWL21301007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77a981c7b63f8805ec101f8ba88b56d5b22d4a52489b5beb21bbff882d336092. 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/USCGJ2130674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23786beb3ef6501572b2eb5eb1782e45307019691c33ff66ddffb4fd9cf663f1. 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/DKADG1800360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a12f5f7c42246c29fce6bb52831ca034929486a314b6ab6d782c2fed1f48ea. 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/DKUM72000352.