1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x326539bf17110f937a36f7f76f6df2a17bc40a009613300f474014ee7e73a455. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/41fa211e-007a-41c1-bb14-8423909e31dc.json and https://artists.proofprofile.net/proofs/artist/41fa211e-007a-41c1-bb14-8423909e31dc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53ae04fd674ca0d595bc5fae346a8f8bf9e42ef611e0d544451f368669ca85fe. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2DEalPgpC1R1jed3ad2N4u.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DEalPgpC1R1jed3ad2N4u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x840f5dcce5637de9a56c01d197a698168e5eaa71e5411fe216f8ecf213156e5e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/41j1dWnKcZgffr73vsLqS4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/41j1dWnKcZgffr73vsLqS4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48a477ae47ac75d66db4c2a91a97fd8abc1815e4c61b19e42345a085e1ff1bed. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1WoTCHRos3Izb7Zet5WHXK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1WoTCHRos3Izb7Zet5WHXK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f4d30ef8f93f4aa08477976fbc557c0d74d613a93b164586f696926da77714f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6vWmXRESxPmlRlLfyjv2Dk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vWmXRESxPmlRlLfyjv2Dk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68be9492fa544a50c42fdbb877e3a14653cd871f5cbd4765d3011406ec985287. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Z7Mp2IpefvtsSAe5q312X.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Z7Mp2IpefvtsSAe5q312X.
Crippy Trippy - Sakuro's Centered Earth Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd15e289889aeb84dfb0a41b44316e1e22aade07f0f20d196f5adbef7ba26948f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7C2Ftsw5OxjykELYqg4HoQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7C2Ftsw5OxjykELYqg4HoQ.
{"copyright_id":"0x45b6518b47efe58c3e2b224937c33cddc9910d0fb7967a7751b618ab6093104b","isrc":"DEU672201354","name":"Mambo - Mollono.Bass Remix","registered_at":"2026-06-23T09:09:20Z","spotify_id":"0vDyNnkF1BPrhTgOvSZoKs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45b6518b47efe58c3e2b224937c33cddc9910d0fb7967a7751b618ab6093104b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0vDyNnkF1BPrhTgOvSZoKs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vDyNnkF1BPrhTgOvSZoKs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3d44d8dd60d3d7ab3d2b3f0540e000a62b991e645c6bfa9e26867564720a76b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4m1XCY0zYHCbTRVwZ0oxUa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4m1XCY0zYHCbTRVwZ0oxUa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45b6518b47efe58c3e2b224937c33cddc9910d0fb7967a7751b618ab6093104b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6vGu5nvTfRO8VSrMN6HO6Q.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vGu5nvTfRO8VSrMN6HO6Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0424fe4ac06650d11c14e1da1d301a5376deb8c3c8ec19d62ba1b08091406899. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/25BSHL9qkyrVJwdgh70NRJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/25BSHL9qkyrVJwdgh70NRJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68be9492fa544a50c42fdbb877e3a14653cd871f5cbd4765d3011406ec985287. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2SbYsqQbvpWk6vteDrUjcR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SbYsqQbvpWk6vteDrUjcR.
Around the World II (Compiled by Rialians on Earth)