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 0x02737112716cec52100c6c11edc87915b3356cec1e7ddb31bb792616603d95ab. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a29b1f5b-fa08-4213-8635-8c97f676e3cb.json and https://artists.proofprofile.net/proofs/artist/a29b1f5b-fa08-4213-8635-8c97f676e3cb.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 0x19ccb1d08ef58243c9eb92212ec83d26c0eb342720d6cc0c620cfab02b107541. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBKPL2146893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66454dd8bac1b457c56fb83f36ca98dd1d63757bb08de8c954794bd2ac2e59fe. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/GBKPL2150240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc7939683a7262c557282ffdd61fb23a7e8dbf13fd84b1acd6acb0705057491c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBCFB2294318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9968f13d3cbe074bfe372230015a5e70cd541c609456707279b616a0f166387c. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/ITM3U2200018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b90fd823f3a06f75c107ff20017c2191a86e52f22360bf5552382fd412948c2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ITM3U2200019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaee9a7657fe4075a28100065c6cddaba702502715a0631498afbd2178d983e14. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/ITM3U2200020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46b0570abf51325935651335bec654eb60fcb4bf39bdea6f51ade878b9c907ce. 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/ITM3U2100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdea419218a45a339daa2612370c09ead2082229f3d44fbf4643a58f1ee5bff43. 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/ITM3U2200021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4941651ff8b99fda139c590e7ce3cd4a150c040fee09d1c739931f323ad445b3. 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/ITM3U2100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48c410f5ce0a179b11376ecb800dcc8b4ee038d95ed85629fe23c35f34843471. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ITM3U2100002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4941651ff8b99fda139c590e7ce3cd4a150c040fee09d1c739931f323ad445b3. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/ITM3U2100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea7544241d4dd383c26567603f342fd4116f8a7fcea77d43b1a349c2b8eb363e. 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/QZHN92229608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x002f4fad3ad4d7aba8f564318afe48d483d1162080335acddfc000945d07cd89. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/QZHN92229610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa74600cc5b58d0994e63a37679ac35f47c60cb4c4d18c96d7425aa80fe75ab9d. 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/QZHN92229611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d5e4945bef7c45fc9ea52ab7155dd7d0fcd4ec70b23aaa4b95eea3e8b080fb. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZHN92229613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d574077b60d0445f7c69d74b0d83d347d7a42526d1d488e9e6427f844d0e303. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZHN92229617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d8b21aa00a23e3fee90c0b911f749e23cd797946215855e30f0323776ca896b. 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/SEYOK1618628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d773feed9d4d2b18a68653fcf45256be6ea515564a38cfcb95b0214f29d09fb. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/ITKT22000018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dab193de29b1dc3860d8fcb7ef71f05a0a03d7917b794c80d7c3cafdcf9f6ee. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZDA62219372.
Tiziano Ferro + 50 Cent (Lorenzo BITW Remix)
Nothing But. Techno (Raw/Deep/Hypnotic), Vol. 08