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 0x62eac79d11b2719ac6bcbe746af8f81dabbaf4a613cc5d6ba0592ad445f209e8. 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/bc622f66-174d-4ba6-bc1a-1b14d22aaa25.json and https://artists.proofprofile.net/proofs/artist/bc622f66-174d-4ba6-bc1a-1b14d22aaa25.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 0x70db7f5418df28c016ad75e6cb09b11c807f4d70170713569e9104343af133d8. 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/USZXT2352119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb4cce7bddb2e09d32799fad8ae67f2e09e4d1c5737c229515f633963a2470ff. 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/USZXT2351462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ed0acf3d76f13f2aa5cd133cc6be03c8d7ea4e3306f6ed40ea9df291618cf15. 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/QZMER2180118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa94472f9d89fb9a318833da9e8579837c2c7129957a4a75e3b6906ffd96693d8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USZXT2351781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3736c3940c2b63a52e5a4eefdce8569c3158e55d66b47d48e532722c9039f74. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GB45A2102535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x572b2fe37aa2e4faba675329f71623f2aea4dfe4474b5c9bdc5472cbed1746aa. 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/TCAIW2469927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10bb09fe66e71c4c66986bf3f92d8c7445aead4c27b176acd9d834078baa499e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USZXT2352117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe294b89b3d5b12fa618705bece10ff75e61bd78699cbc08f0a6b083f52eb1e3. 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/USZXT2352064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x432f599f751c90b4f07238657bc239b3c494bd6aaeb8c7622d6a9cac54d62f3c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USZXT2352118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70db7f5418df28c016ad75e6cb09b11c807f4d70170713569e9104343af133d8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USZXT2352119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x545de1bf0bfe36900d2d013cf38e295f67c431b94dcba26fc98d39c63cbefe81. 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/USZXT2352120.
Lizard People (ft. DETO BLACK & Mowalola)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa77faf0171ebedd20dee96e3a5c59ff83a46ad606c61de3a6009ff56d0adf035. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USZXT2352121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb4cce7bddb2e09d32799fad8ae67f2e09e4d1c5737c229515f633963a2470ff. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USZXT2351462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9d8940ae8c564cd8baf683ff85b6f3d780f9fc8465b06a01185ed5d4aeab631. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USZXT2352123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x019163de213caf5c68fd887d16e1afc28b8832e61f823559ea28937d434feaf6. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:46:56Z), 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/USZXT2352122.
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
Heart Of The Heavenly Undeniable (HOTHU)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72a09df4bf05870d065ad00ac993f18dfdd1db2e03808ca81f489a875ebe830d. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/ZA34K2201088.