Keldian is a Norwegian power metal band, originating from Aurland Municipality in Sogn og Fjordane county, that made their debut in 2007 with the album Heaven's Gate. Their music is a blend of classic
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 0x403e5241474d9721ae389753604ff42c816317aadb225e711a16f6ce64732cd4. 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/33616e22-ad4d-4117-a35f-5a9f5ba67975.json and https://artists.proofprofile.net/proofs/artist/33616e22-ad4d-4117-a35f-5a9f5ba67975.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 0x505ed407a7417ed81cc562e9ed7d7b36b3c42670f856905b54735553310b5e93. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/USDHM2027776.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d5bf68b7dbe2283f68f7fb460544205809e769e2c68aba9220a0c8eb8790285. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T20:13:58Z), 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/USDHM2027780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc27d5d5bba47bcc7e28447d7557ea57b6ca53fdeef87bbd88fa1478eda8c770. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/USDHM2027782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x795974c20466b23b231b3b6d720126f1ce1b5fae028a226056ea4de5e67e9fcd. 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/USDHM2027854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94824fbb2503a48dbff633bf21944ef7e948ebb8d309815415f35e157336ae53. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/USDHM2027855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13501012d5d470ad41664c6fffd621fcbd24224471fd9b7fe56d27dafa5e3d7f. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USDHM2027862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc56edd29f8f3c694ed335a73a11df358b89ec1940ed01e15da0c319753d57c8d. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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/USDHM2027915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8d3fdd19bc69b9173d074e98ec46743865a0a04f48e75af2287927f9eff2135. 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/USDHM2027923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c20558691eeffc746a319eea80f3c10451b80538d4583dc284ba213337fe783. 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/USDHM2027925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9c0128095b86dcc77e6e0ce0dae52d0edc56b73410f0a3f34315b977d73f2b. Chain 2 (Bitcoin): anchored in block 956404 (2026-07-17T03:46:17Z), 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/USDHM2027928.