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 0xb9c4d3ca2dff4bf001793503566f39556a59d6583dd7fbc02b8b47357b738bbe. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/494dd398-5194-4491-b2ee-44a61f28c0d8.json and https://artists.proofprofile.net/proofs/artist/494dd398-5194-4491-b2ee-44a61f28c0d8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
i used to steal from grocery stores a lot as a kid
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 0xf63bede19cd4f518811d8b4ac18158d78fec0abb081ee0afe534e3228a89d3a2. 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/QZDA62083746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a1a8add9d8c14fad2d3508a16835b27154ee9253d262b86338817d45f4257b7. 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/QZDA62083747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c5f4e714a059733a9ca88807d68af98bd2f4ee58e983680018f99502f51fb9f. 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/QZDA62083748.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4381b78b54f366707935c76294527baf16198cd40b1c9256cd06dce534fb0036. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZDA62083749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x726144c1bb9ae30c68d6c770e801c8054bb8a5d1521f1b9d83b156b96a066f9b. 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/QZDA62083750.
wow, college sure is a lot harder the second semester
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6974d945ce1d98911028f8a8de87de52bee87d595a182dee60fb32438688eaad. 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/QZDA62083751.
how to turn your emotional anguish into cold hard cash
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x218757a2c1be096bb5d38a2ccb9ea14155bab43b95efd84157a5f940af603de4. 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/QZDA62083752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03b8f23db040a1a77495127d8eba3167d745309e9509e4a376e4e02b556083e7. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZDA62083753.
i am fairly certain that frankie from no option hates me
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4175de26fa67ff6cd961043e839c2d786c6771ccdd18b43005d636300ecb64c4. 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/QZDA62083755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1028eb1939f8926b65549d69bd8aef1946a57fc82557cba9940df8b74b93a71. 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/QZDA71969282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79ab109eae51d4e3e4fde786c56b726e55be7b299d0032d3ebde67d684c4e567. 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/QZK6N2366450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4830b1149f40ac19a57ef06e9265a9b94f7a482fdb75a217522f214381683ce4. 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/QZK6N2366451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x047b0d4c3e919a9ff6188e0f1701dde9ac8337f8bd4c2f2e6d8e6e3e8858b396. 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/QZFZ52093693.
A Sad Song About a Girl I Barely Remember
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15f15d6631b7e8ea742d807ee96a812753e6495eae129e75b0bc6a1a1cc84d49. 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/QZBRF1830806.
A Sad Song About a Girl I Barely Remember - Demo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x106ef39d1217690cb2ea25e4389ebf363ba781f002b9d063094566432e4ae701. 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/QZBRF1830807.