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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 0xe0bed6e4e97568ece0cf7ad7a3bdc1514d4e49bb2a37bd9f7d909a72c8aa3557. 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/4cc3cecc-eefc-4460-b098-a7758ff5d130.json and https://artists.proofprofile.net/proofs/artist/4cc3cecc-eefc-4460-b098-a7758ff5d130.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
You Can't Hide Your Love Forever (Remastered)
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 0xbc6a026b8b8d3fe3c259535fcf949b0055a822bc1b3032d0c340fe13c51b9fdf. Chain 2 (Bitcoin): anchored in block 957668 (2026-07-12T06:54:37Z), 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/GBCEL1000560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76106c03da71e7f4080d296891b39a8dcc31d60adcdca243f1585a901335106a. Chain 2 (Bitcoin): anchored in block 957668 (2026-07-12T06:54:37Z), 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/GBCEL1000561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0653b7b76561294ca83cb9755abe069a27ce09fbfb688359e411bfc9694e080a. 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/GBCEL1000563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb293a714d650c2820bd2e2a7e3c3c46b243618661880bb1e7e7f2c498282cd07. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/GBCEL1000564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3d12c516186138a60320680eb32ba469e0ea5123b22cc2d2c2bf8e350efec00. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/GBCEL1000565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x432b0f45e11e5ef56dc5da173f1c40ca5f6e6b1e7d3f820f3a2aa9d7509445a7. 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/GBCEL1000566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc11ff054f409ffb338d799230639b22bf6835765723f06c9490152f6679400fa. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/GBCEL1000569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdad08d28c659fe5e7208e6c7d688729bc066b8b51f92b114272b88f5aa1f76f. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/GBCEL1000581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78bf16619a4abd62e40c91bff7785c282736c841d1f6248e8314f49d5efea90d. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/GBCEL1000584.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8ff0f9c724f6ee63e4dedf51de64fc20f965ddf86326f40b8616999734d6d00. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/GBCEL1000585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc7e88ea719cd57fd1242f512409226a2f8832a32ce36b1a570b8517d786eca4. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/GBCEL1000586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa688209231624a2658264669153164483536a9717dd08760815a79a36fb1a46c. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/GBCEL1000615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d8a24ba462b5aa01219d75306c72710685de58b555130c10f9b355538fb402. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/GBCEL1000616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86aa37c1ad198d6b9510e594f03b7e93d9eec4bee6c092d07ea434cb2f56f4da. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T19:27:18Z), 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/GBCEL1000617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaa06eedc72a4a312cda4cbc377ba43bedc0d88f84f16312a4d7b43a6ccf220c. 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/GBCEL1000619.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786a5f37bba8351a92cf73414564a8213ad07d225b4d4e44232b0a2ef38eaf6a. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T05:50:22Z), 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/GBCEL1000621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe28df00534178884127e4bc24bc5fa685cea6b5e388b82f44d1057b2de383f94. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/GBCEL1000622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe581753a3a8d9820275158fe4d2a7fe7d6f760dfdfd42e2aecf8ca67f6421886. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/GBCEL0500074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x604dfd88ef4339b82893be168c763caa218e30978e518a6118d09f9e4e627470. 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/GBCEL0500075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f7922fb904449a95f8a8a50191be617ab659cebb17ca2945477865ed5a7875f. Chain 2 (Bitcoin): anchored in block 958697 (2026-07-19T07:58:24Z), 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/GBCEL0500078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed2255df16ae28ae466f0cd07a111f8fd4080db44535750e2a25747bf52ff019. 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/GBCEL0500079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68cc0ebc5ed2b52f96bce7e8c3f53d3b27f6a3778282a441547147677ab1a6d1. 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/GBCEL0500081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x636858a136f88a386dcbf7c00e678909f2484e0cb5288b697651b74b0beb0b0a. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/GBCEL1000595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe6dfdf6708cf03b96c21dbe61b328750846ae3277b33f4ddca34cf56781fd88. 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/GBCEL1000587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bd28f5df4fab41859027c77b69b334e2f06bae5b768ac09da53701237342dbf. Chain 2 (Bitcoin): anchored in block 958392 (2026-07-17T09:46:31Z), 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/GBCEL1000610.
Gold (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x173c23f579c375a87ec3c0f32716620891ca0b1bd390c3c408c1cdbc29f2e90a. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/GBCEL1000577.