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 0x99f00e9ad75546fb26e91d6d5e0e02e6ede0b76eff25a552e2eaa8618c8cf5f0. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f94080b3-c437-47a0-a00c-ace4bf6528f8.json and https://artists.proofprofile.net/proofs/artist/f94080b3-c437-47a0-a00c-ace4bf6528f8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ann eller Susanne? (Hedvig eller Hédvig)
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 0x14cb4999fd2c669959d289fc9e4ff6c2a514deebbbca66fc9671f5dbdcd52a37. Chain 2 (Bitcoin): anchored in block 957763 (2026-07-12T22:01:25Z), 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/QZK6P2466222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf23a3615aee643c51b487de393d2343456edf44c682fabe8461dfffc70c6c35d. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:49:31Z), 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/QZMEN2455476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b59725aa93cbd5e06391ad7c176087d8eb66207c2baa73deee977d92e1a05b7. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/QZTB92402949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaae953e310482d9b98e4f3d31ea75681ccc392618e0b43954d07f9ba445e07b. Chain 2 (Bitcoin): anchored in block 958087 (2026-07-15T02:56:49Z), 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/QZZ7U2451108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f8141752963a15474449c0140eddea39e3e73d53a41d292afd6966244d512fa. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/QZZ7U2451110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x289f33f6bf8d332abf32dc5d02ba1caf85c5ac5fab3c786612630f045c18e05f. 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/QZZ7U2451111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d6fb26843a0edb2a35a6bc66c5c24a596785c02978dc5ec6ab2afcf18bd715c. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/QZZ7U2451112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x329d52c2a604325292e7f8f468602181cd7a59c54eb0d2e9828ba6251214d398. 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/QZZ7U2451114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x121ad99ebd1bbb35508f5d703c593b63df95ca8d4fc0f6fdaab2287f1913bd5c. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T09:36:37Z), 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/QZZ7U2451115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf177a9ac626068eb1d5a99fa53d9ad3f0d11224df9b33ba05ef3ea24633accd7. 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/QZZ7U2451116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb971c0f58ed3615e920711b6d463ab414b21c51bb2b1719988ffb3f40422eaa3. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/QZZ7U2451117.
KONTROLLERAT KAOS (Men några låtar saknas:))
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaae953e310482d9b98e4f3d31ea75681ccc392618e0b43954d07f9ba445e07b. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T16:04:08Z), 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/QZZ7U2451108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f8141752963a15474449c0140eddea39e3e73d53a41d292afd6966244d512fa. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/QZZ7U2451110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x289f33f6bf8d332abf32dc5d02ba1caf85c5ac5fab3c786612630f045c18e05f. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), 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/QZZ7U2451111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf177a9ac626068eb1d5a99fa53d9ad3f0d11224df9b33ba05ef3ea24633accd7. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZZ7U2451116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb971c0f58ed3615e920711b6d463ab414b21c51bb2b1719988ffb3f40422eaa3. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T18:01:47Z), 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/QZZ7U2451117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb047fe7c33da2dc5dbf42f5b44ab267df122abc9fff885885e0e21a9139c961. 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/QZK6F2516598.