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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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6bbe2fc6b16b53418856fb6cc6ac1ca6cc1ad1cccb95809720ce8a7f015d3fd. 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/02cc6520-336a-4636-9e00-cb78fd0d3159.json and https://artists.proofprofile.net/proofs/artist/02cc6520-336a-4636-9e00-cb78fd0d3159.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 0x7452c5672283474f5282e1b0a4ee9f5e45ceea81ee35461208a41b6133c5155c. 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/QZKDK2214094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe92d03c5d69a8ca3183e38b7df009fd386460fee832b7cbb66de372baede69a7. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), 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/DK4YA2304301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd525326f7dae3f3c24fb18ef695b4813403b2101d861cec158d23f20d3fef036. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/DK4YA2312001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c929b20183bb97bd82943ac69e56b5a3101f7ccbae233418679a5e3716c3bef. 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/DK4YA2337001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfae1ed97c817e7b2c96b730802d29b91581ca524c885fbf47f15659e65888d51. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-02T22:22:35Z), 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/NLZ8W2400021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a1bd316dedb79a1a0ceec2140a1d10aef27fddb5d6fcbead0c3f87330317dfe. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/NLG3N2400018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0050a4df5a685f6c499e037ecf89ced655b7de3b8f9f15f4af383d5b57b1505. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/GBLV62411827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36d9e18105ecca4f8322f2d28a151da4e42d317b54b7d83a3be80612b886178f. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QM4TX2594609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8f38173fe7c138f21b848ad643911774686a50e8eb3be5253a23afa18bcfe15. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/GBKQU2547801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0754550641d300a7b866643f5c52d04b5edd358729c4ee395884039476897536. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T06:52:50Z), 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/GBKQU2556328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e85a94b96fb36c6add18418421c1b2eb56933a2c25970dab1c87c1e8f97b3cd. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/GBKQU2565603.
Ghost Of You (Orange Purple & DEAN Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa3a0f176cf17a913401520c8d1dee5b3f1e1989572e7e0e42e2b5b30b0f8bac. 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/CAQOI2525723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1a40f62132389df342b3165064ed1d1c93423e4ff875f85fbc96c7f4b1036f4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QMBZ92361317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9a1443615b9548295ee7a1ae528eb40d51e009eef810b9865a4bee440676a8c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USA2P2472378.