Kjell Gustavsson Rhythm & Blues Orchestra
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 0xcf37f247756321fcb4b8f9d8cfde6d393d8673143bf11e0da00f381e7539a2a8. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/73031c41-046e-4537-bbcf-452e12fda04c.json and https://artists.proofprofile.net/proofs/artist/73031c41-046e-4537-bbcf-452e12fda04c.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 0xb64ebdc643e7fe2e2c32ac714e54119317b210f81f72f0cc9b5725602bebf82d. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T21:05:52Z), 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/SEBJA0902001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d661dad3b0c70d7d6a6281d9deb531980782e5f0505504c7643c6d1a9ee0ef4. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/SEBJA0902002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7975c3624703d67cec6c0e1bd0e8cefe0347c1e2cb49ad7b0945254492e66eff. Chain 2 (Bitcoin): anchored in block 958422 (2026-07-17T13:35:31Z), 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/SEBJA0902009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf00ed01c5cfa664d28f6e324f1d2b1fdd6d54b379e1d2a7ef72afdcdcf1d9cb4. 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/SEXDP1000102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34d71340bfa1c94d704b46f587db14bcf3ee539c55c6bff4239b3aca3c1b0f18. Chain 2 (Bitcoin): anchored in block 958622 (2026-07-18T22:58:55Z), 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/SEXDP1000104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe4d71c0d2040162e9fe9b93a2703c37d6d9bf6b5677b465f3ccc0f25fa7bfa2. 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/SEXDP1000110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe83176beef28e8fcdcc7d0b906f2df4fbb56aff0948c33ad46b03db7d7d2d84f. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/SEWXY1200402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2c215269797949fea5eeddcbad31118748134cbff6f8a03ef346aac39e8787c. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T17:32:21Z), 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/SEWXY1200403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91e0979f7c945a31795930acff3f4c591ef56ffaa6840f225012ef88a3f1aef7. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/SEWXY1301111.