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 0x633fadc348fdf02c273f731b33864de4cca31ac86a1b606a58d6e487e22a5c60. 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/a9790c15-0a34-4dc5-b034-448a846836a3.json and https://artists.proofprofile.net/proofs/artist/a9790c15-0a34-4dc5-b034-448a846836a3.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 0xb9faa7137eb9718ecdeb1273f295e87bf9e423d7280c7c5823c89dc0492c08f2. 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/5yW54YTdSuZJWf75iPwJON.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/5yW54YTdSuZJWf75iPwJON.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c481df53ee9fe37813aadf90dc1e73b07ddfb5438f9e1ddbeb1b9a38fc4f8cd. 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/70euMJM8ioQGLemBxyQYfm.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/70euMJM8ioQGLemBxyQYfm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2101a58fe72468103acb49facb0aa1d3df2be48b56c3a9509cb1639010bf3572. 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/3GZUxmCKiokiPEVFOmAoe1.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/3GZUxmCKiokiPEVFOmAoe1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2061a86b7afc7323c6bc3b0bf915d975c30f1549e784922e04b554bbd82a8f8. 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/0l6iVi9LDZjLjhjVEuRma8.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/0l6iVi9LDZjLjhjVEuRma8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dcbbe01f64b066fd61bee25852a73de71d5da355e26f7c50f74afa9251b5e63. 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/5sDHqCkdgQVSVbvlG78dur.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/5sDHqCkdgQVSVbvlG78dur.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c6b27638566a4f27a48f172904f6a461d243c251109bd0675e103bbb96046d8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1dyB0mihUw7lgkKnY1ORWf.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/1dyB0mihUw7lgkKnY1ORWf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8de89bf288ec0a6b263ca6f09da545f1648068001d5f4d24d3bc3d29ce8cb45d. 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/4orJ1O8YZH9OHPrHWAdDFE.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/4orJ1O8YZH9OHPrHWAdDFE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa26b751a278ca8ebac1d8c33db3f60b9218c3d9f5d96d36107f477e00d6cf0b4. 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/126arj2LmYdUj4IhKmFFFu.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/126arj2LmYdUj4IhKmFFFu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0793f1e6e7cb66a178823e08b78f2a6ea97260e9737502949144b3d034ddf1ee. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5qXCp9EZIGn0iDh1iUn5cj.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/5qXCp9EZIGn0iDh1iUn5cj.
Like Boss (Remix) (feat. Duki, Bizarrap, Akapellah, Moonkey, Polima Westcoast, Santoz, Zanto)
Like Boss - Remix (feat. Duki, Bizarrap, Akapellah, Polima Westcoast, Moonkey, Zanto, Santoz)
{"copyright_id":"0x32bb4fea832ead23fcf0b02f0b70e3c10a5d5e998fac041631f04cf355e819c2","isrc":"UYM121903567","name":"Like Boss - Remix (feat. Duki, Bizarrap, Akapellah, Polima Westcoast, Moonkey, Zanto, Santoz)","registered_at":"2026-06-04T09:05:17Z","spotify_id":"2H2pkZBzWDX2TzGW7sp014","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32bb4fea832ead23fcf0b02f0b70e3c10a5d5e998fac041631f04cf355e819c2. 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/2H2pkZBzWDX2TzGW7sp014.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/2H2pkZBzWDX2TzGW7sp014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8429d4b53a5d6eb9c88b949d5319baaf53d01516e6dfbbf468bdf0fb330cd53. 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/3yL9UXrMYemH8bdzXGPGgS.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/3yL9UXrMYemH8bdzXGPGgS.
{"copyright_id":"0xd9b8aea9d626d1a919ba782230e2c36a1a596e7820ca89d6d3df103dacc5ad42","isrc":"USHM21986416","name":"Zanto: Bzrp Music Sessions, Vol. 8","registered_at":"2026-06-04T15:59:46Z","spotify_id":"1zzEoNwQbDCd783LT09qxu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9b8aea9d626d1a919ba782230e2c36a1a596e7820ca89d6d3df103dacc5ad42. 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/1zzEoNwQbDCd783LT09qxu.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/1zzEoNwQbDCd783LT09qxu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82db33dec13f1e63a850143b1cc7000d247792afb17174c4df94ad2831abe1d1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Z4t58Sjs5fFj8LhlaQu8d.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/5Z4t58Sjs5fFj8LhlaQu8d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe7ba6d15da235f72a30de9375191673c29d3391358bb465b0e96d5a7b02822. 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/0T9DJgyr6WPiZYAa10zXIh.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/0T9DJgyr6WPiZYAa10zXIh.
{"copyright_id":"0xd7aafb8cb133eea8c4edc5b6be2a86a789e40e3e1e7c1a6f2b3eacd85981eeea","isrc":"UYM121806485","name":"Slow Mo'","registered_at":"2026-06-10T06:53:21Z","spotify_id":"0nOQv8vVkJR8crXyZ25jAd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7aafb8cb133eea8c4edc5b6be2a86a789e40e3e1e7c1a6f2b3eacd85981eeea. 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/0nOQv8vVkJR8crXyZ25jAd.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/0nOQv8vVkJR8crXyZ25jAd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec188b1fc6910c6026c9a8b2947cc4a1e0e4fedd4c30fb19db50c5e7b909bdd5. 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/0Et7R62PgWXXWPeA3N33g2.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/0Et7R62PgWXXWPeA3N33g2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47ce82abe78052628c10524309deeed33ce21891eb8c2b82ee1d59ae3be0ae68. 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/0fJPYjxgCzRrwHnguapZR6.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/0fJPYjxgCzRrwHnguapZR6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd064a28b4c8789060395cee2decbdd39cccfad0d1835058f1e8e9c469d6fdc08. 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/5i43CFKRXriC4N9RLwQT6Z.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/5i43CFKRXriC4N9RLwQT6Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe3353efb30a3d6255d4fcdb25dd20c11d4f5f8b75e57532cada74f94bfe2849. 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/2D7z2aQ5m29sz7O4atGKrf.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/2D7z2aQ5m29sz7O4atGKrf.