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 0x31b1d633fb0dcc689e334199f6ca2c07973d19d07497d4eb3b66a0f8d05af801. 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/b9fb253b-07a8-4766-9be5-38cd609172ab.json and https://artists.proofprofile.net/proofs/artist/b9fb253b-07a8-4766-9be5-38cd609172ab.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 0x15f684562a44571e137f22f5111257c0ddc7b74e6d497bb3448246fb2fddf360. 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/22DM8UvG4PH8bTTBXzToA7.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/22DM8UvG4PH8bTTBXzToA7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24fa61b7685328b2bd0be7825c1e6bdfa5a311f3bf93f084e90837cd64527802. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6aUyaCqPlCVGyyQc2u1D7q.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/6aUyaCqPlCVGyyQc2u1D7q.
{"copyright_id":"0xc0083f728f80cbd88d129dd1f83cfa9327be19c01d532a73016af2d1212aea93","isrc":"TCAHR2371181","name":"Make It Through","registered_at":"2026-06-07T16:06:27Z","spotify_id":"6wDJEWBh1qgPxize0zsonv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0083f728f80cbd88d129dd1f83cfa9327be19c01d532a73016af2d1212aea93. 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/6wDJEWBh1qgPxize0zsonv.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/6wDJEWBh1qgPxize0zsonv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab492db17a7b3712fa9847cccab75935eb7bb1b848873fa229448ee708e0d436. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7hMExHUSeeilX1lMFwqVdv.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/7hMExHUSeeilX1lMFwqVdv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe2d3f36b721cac06068603141601df75bf4a61de21090be9b640564b1e717cc. 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/1rN55TfA91ZIx5FneYMbhZ.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/1rN55TfA91ZIx5FneYMbhZ.
{"copyright_id":"0xdfaab1ee63270b00cde454fcbebd89075e1e8ef6caef4b8241096008c1a5ada5","isrc":"QZNN32146884","name":"41 Gelato","registered_at":"2026-06-05T10:11:23Z","spotify_id":"50HASEyCPlWdeoQ7KKUvYd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfaab1ee63270b00cde454fcbebd89075e1e8ef6caef4b8241096008c1a5ada5. 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/50HASEyCPlWdeoQ7KKUvYd.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/50HASEyCPlWdeoQ7KKUvYd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeee3145131ce377a1c54eaeafa5a10123f0a4d1ee611fd4e1e489a827b09f2cb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2A6eL0TbJImo9pw727opBx.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/2A6eL0TbJImo9pw727opBx.
{"copyright_id":"0xa6932f5ca2c04a66ce88da253347ebef6e6f833dae78b571ea723943b9bb569b","isrc":"TCAFI2190254","name":"Problem Child","registered_at":"2026-06-05T10:09:03Z","spotify_id":"0oRclMihmxHp3jrScpyzaq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6932f5ca2c04a66ce88da253347ebef6e6f833dae78b571ea723943b9bb569b. 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/0oRclMihmxHp3jrScpyzaq.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/0oRclMihmxHp3jrScpyzaq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x660a2210315fff5f15b1ac0ec975d3e05ebae5b9b14cdce62fee2d71638e379f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4GzEww1ODFt3G6XnodWkG0.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/4GzEww1ODFt3G6XnodWkG0.
Baby Mane x Fumez The Engineer - Plugged In