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 0xf2726b4d7e02f6e3fc9a1081764e23c51cf0d04b7f8c46b0d5d3e44a5c6e0d85. 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/8803d60b-7f07-42e6-b403-acf2f9c043fc.json and https://artists.proofprofile.net/proofs/artist/8803d60b-7f07-42e6-b403-acf2f9c043fc.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 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 0xceeaf2cf4be7cb3f76f94c0d4bb30e4b8e61a61708645c1b409f06cfc2093665. Chain 2 (Bitcoin): anchored in block 957576 (2026-07-11T14:19:48Z), 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/DGA062341096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62833a52e0ad9c91d901977d59c6618910ea849b02445e4e8890a30713830aca. 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/DGA062309979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33df01d15d28096ec51fa6680198a036040ce44abc5d305d420f4c40b7a66c40. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/DGA062310677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d4386955fe7837d140e5d3475cb81b71b37b8435f1536080147cfd430df0054. 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/FRX872157110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1abd3215f1e7769f42d5bb7e1cc4914a47e3692cf6c947afe6908c0ea1122966. Chain 2 (Bitcoin): anchored in block 957573 (2026-07-11T13:43:13Z), 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/DGA062346627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf615745d6051d8a09f2d55b91f35235fe649033c8bac098cfaac8d06ecc67e42. Chain 2 (Bitcoin): anchored in block 958506 (2026-07-18T06:14:51Z), 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/DGA082383802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc45c3a6e52599672ffb0592b2883aa122cc3beaafec5e04d775d780443a629ef. 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/FR10S2235942.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f8a2f7e9b95d0612424e6e318d5a2aecc5ea04223d34a58d9f82682b31ee882. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/FRX282329819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x589384b54b5e58bb9e2607ea5f2cc781b5a90526721304eeeee5bed9dd0aee0b. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/DGA062310528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee29cedd23432332e877f3b916ceae5252b69a434b8ef347493b9e5bb92b706. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/DGA062310667.
KORUKUNNARORAYYA, Pt. 2 (Female Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dd51d62e0fb6b883654ca0467182aa914c992fcb2935d832f29c6d69de75251. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/FR2X42529659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbac3c6adfb797322061edde691e5b0fa6c0b393c7f0f7036969ea7ef0b002848. 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/FRX452598279.