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 0xf86b2eb4a8c02b56912f592e590ef1214a544b97cc674accdbcb748d3c23ac9f. 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/1b10a2bf-3872-4521-86b8-9b54a06cebb1.json and https://artists.proofprofile.net/proofs/artist/1b10a2bf-3872-4521-86b8-9b54a06cebb1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cold Nights (feat. Stan Walker & Larissa Lambert) [Sly Chaos Remix]
Cold Nights (feat. Stan Walker & Larissa Lambert) - Sly Chaos Remix
Cold Nights (feat. Stan Walker & Larissa Lambert)
{"copyright_id":"0x57e3d8e26a3087139b38ac62dc6a5c215778838848553d75a1abdb18c5bc56c7","isrc":"NZRI12201111","name":"Cold Nights (feat. Stan Walker & Larissa Lambert)","registered_at":"2026-06-06T16:48:20Z","spotify_id":"6boqKEvzxGQC7YVHPAE2ZO","type":"track"}
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 0x57e3d8e26a3087139b38ac62dc6a5c215778838848553d75a1abdb18c5bc56c7. 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/6boqKEvzxGQC7YVHPAE2ZO.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/6boqKEvzxGQC7YVHPAE2ZO.
{"copyright_id":"0xf3305fd3ef869f1881903f52124cb6c927e836eeb90bca82fd5afb31f81b7eaf","isrc":"NZSG02200021","name":"All In","registered_at":"2026-06-21T00:43:56Z","spotify_id":"3J3VxsGqbRIHhdsSBNRkax","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3305fd3ef869f1881903f52124cb6c927e836eeb90bca82fd5afb31f81b7eaf. 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/3J3VxsGqbRIHhdsSBNRkax.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/3J3VxsGqbRIHhdsSBNRkax.
The One You Want / Baby It's You (feat. JessB) - Live at Big Fan
{"copyright_id":"0x7b1205e3ef52e4dfa0c3e5a31e5cee4b4ade38563419f98609403cc84a75c189","isrc":"NZSG02300024","name":"The One You Want / Baby It's You (feat. JessB) - Live at Big Fan","registered_at":"2026-06-09T16:53:44Z","spotify_id":"17zfFVmsDnoGFasmGs29sk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b1205e3ef52e4dfa0c3e5a31e5cee4b4ade38563419f98609403cc84a75c189. 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/17zfFVmsDnoGFasmGs29sk.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/17zfFVmsDnoGFasmGs29sk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ad06f598560654449bec6989f989fff26dbc745423097c1a78803ccbba8d991. 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/0Rmc9iEl2qA2YJxWXKQ63o.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/0Rmc9iEl2qA2YJxWXKQ63o.
I Am The Colour (feat. Jordan Gavet & Scribe) - Live at Big Fan
{"copyright_id":"0xdb6d950c855cc60dfcab4de08541d0702e572a2f0e50879e984df2bb512ee632","isrc":"NZSG02300025","name":"I Am The Colour (feat. Jordan Gavet & Scribe) - Live at Big Fan","registered_at":"2026-06-26T22:33:38Z","spotify_id":"54Sr7KSosVBb26b3Ginr79","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb6d950c855cc60dfcab4de08541d0702e572a2f0e50879e984df2bb512ee632. 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/54Sr7KSosVBb26b3Ginr79.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/54Sr7KSosVBb26b3Ginr79.
{"copyright_id":"0x9bdf711d7f2fcca3446e7b3cfbce2b17601fb096fe6a4d0ffeab305827ec82d1","isrc":"NZSG02200020","name":"Best Friend","registered_at":"2026-06-25T19:01:22Z","spotify_id":"3KBDv98keYlP49ET4bVgNh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bdf711d7f2fcca3446e7b3cfbce2b17601fb096fe6a4d0ffeab305827ec82d1. 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/3KBDv98keYlP49ET4bVgNh.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/3KBDv98keYlP49ET4bVgNh.
Remember Us (feat. JoJo) - Live at Big Fan
{"copyright_id":"0xc2e65a7952a00d07e8baab8feea5cfd0151c43c3c384378d1e4381304733a543","isrc":"NZSG02200015","name":"Remember Us (feat. JoJo)","registered_at":"2026-06-21T22:42:30Z","spotify_id":"7d0Kxfokcmv4KCRJroYUf2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2e65a7952a00d07e8baab8feea5cfd0151c43c3c384378d1e4381304733a543. 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/7d0Kxfokcmv4KCRJroYUf2.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/7d0Kxfokcmv4KCRJroYUf2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08a8831bca36f6ca30b53467c271d4586452c367e18465ca52d9490127c12335. 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/4C9uoveT5i7mxYybD35n2s.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/4C9uoveT5i7mxYybD35n2s.
The One You Want (60s Song) (feat. JessB)
{"copyright_id":"0x1ade0e06bbea1bb78f5a4d7c6a7b0620a76af578565e9fb9988699f00cae2ea9","isrc":"NZSG02200016","name":"The One You Want (60s Song) (feat. JessB)","registered_at":"2026-06-06T03:50:30Z","spotify_id":"2uZRuOGaBBiG8DycFOhedl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ade0e06bbea1bb78f5a4d7c6a7b0620a76af578565e9fb9988699f00cae2ea9. 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/2uZRuOGaBBiG8DycFOhedl.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/2uZRuOGaBBiG8DycFOhedl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9d4a2ac90e36d99deb320097442bc0264934bf5ff4f7f36e88744b80654677f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3VNUhEJMQEumY1MLCAACyY.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/3VNUhEJMQEumY1MLCAACyY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93a0ac543a6dcd8de302390caef37fe25aa433a63596e0b0b694f3483add90b2. 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/5k2jRaHhABJMZgk4lmgkj5.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/5k2jRaHhABJMZgk4lmgkj5.
I Am The Colour (feat. Jordan Gavet & Scribe)
{"copyright_id":"0xca898e89ce392766906397da7e06ce325e60360068179b8e7b9594b5a38f2487","isrc":"NZSG02200013","name":"I Am The Colour (feat. Jordan Gavet & Scribe)","registered_at":"2026-06-21T22:43:15Z","spotify_id":"3FkftZk9f0rvDkysw89nvJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca898e89ce392766906397da7e06ce325e60360068179b8e7b9594b5a38f2487. 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/3FkftZk9f0rvDkysw89nvJ.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/3FkftZk9f0rvDkysw89nvJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22f585e1e4edf80802fd5e057272cc4d7c25560b3c0706f1ce26612f1e8f4e13. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4jjnJAvD9BNK3x7OkSH8F6.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/4jjnJAvD9BNK3x7OkSH8F6.
Human (feat. Vince Harder & Louis Baker)
{"copyright_id":"0x8cd8d214cc08a2b5270f283c374c6b692fa6302dd4f1e22b853e4dee4e433366","isrc":"NZSG02100029","name":"Human (feat. Vince Harder & Louis Baker)","registered_at":"2026-06-08T01:00:37Z","spotify_id":"3FChdtkgi3lEt41dyjcIiG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cd8d214cc08a2b5270f283c374c6b692fa6302dd4f1e22b853e4dee4e433366. 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/3FChdtkgi3lEt41dyjcIiG.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/3FChdtkgi3lEt41dyjcIiG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc28733b6a5100662e57af9ad9f9015723d45aa0648567435a807de4d1ca0036b. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ymIiSYnv7lftbig2Omh1E.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/2ymIiSYnv7lftbig2Omh1E.
{"copyright_id":"0x9b92fef8e581da049f7f6f4148a576750c1963b04efb2ebe5bbd02e2ec364869","isrc":"NZSG02100015","name":"Don't Worry Baby","registered_at":"2026-06-05T16:31:36Z","spotify_id":"1YbBOPcncN8Hu9wRoDir9S","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b92fef8e581da049f7f6f4148a576750c1963b04efb2ebe5bbd02e2ec364869. 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/1YbBOPcncN8Hu9wRoDir9S.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/1YbBOPcncN8Hu9wRoDir9S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8ba441de3e33fcf596c272d71eedfbbcf1cc9262cd89bfa9aaccd8f19fa38b9. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4J97W0juLijNvzDLlM8DxW.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/4J97W0juLijNvzDLlM8DxW.
{"copyright_id":"0xaae6ab06b3c65fa7b7ac2ae859551b78c7b33055fefade1e69c23c74c28301b1","isrc":"AUBM01200414","name":"Take It Easy","registered_at":"2026-06-09T07:02:54Z","spotify_id":"2Nn9GTk6s3AwkPmBesvIRS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaae6ab06b3c65fa7b7ac2ae859551b78c7b33055fefade1e69c23c74c28301b1. 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/2Nn9GTk6s3AwkPmBesvIRS.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/2Nn9GTk6s3AwkPmBesvIRS.
{"copyright_id":"0x57e3d8e26a3087139b38ac62dc6a5c215778838848553d75a1abdb18c5bc56c7","isrc":"NZRI12201111","name":"Cold Nights (feat. Stan Walker & Larissa Lambert)","registered_at":"2026-06-06T16:48:20Z","spotify_id":"6llM48MLZmVMsWdocSAH68","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57e3d8e26a3087139b38ac62dc6a5c215778838848553d75a1abdb18c5bc56c7. 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/6llM48MLZmVMsWdocSAH68.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/6llM48MLZmVMsWdocSAH68.