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 0xb74d64dd612c48ff0eaf72a0a7a36ab4e8ad2effd158696bd7fd92f12faa7b4a. 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/9f8f30f6-3591-4b76-bd81-155b7e6f98b3.json and https://artists.proofprofile.net/proofs/artist/9f8f30f6-3591-4b76-bd81-155b7e6f98b3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xa6855749b11bcc847480ecd56b99f20f90e48931100ac61177b691c21663dd66","isrc":"QM24S2400905","name":"Gravity (Manila Killa & MYRNE Remix)","registered_at":"2026-06-26T12:21:00Z","spotify_id":"5mZTYzyn7AOZOArUiNMz7O","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 0xa6855749b11bcc847480ecd56b99f20f90e48931100ac61177b691c21663dd66. 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/5mZTYzyn7AOZOArUiNMz7O.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/5mZTYzyn7AOZOArUiNMz7O.
{"copyright_id":"0xf1ed41d470ad75ccc8a33c8f05f54ac142438d63b7290b173894967a389ad5e4","isrc":"GBUM72004260","name":"All We Have (feat. Lastlings)","registered_at":"2026-06-04T16:12:49Z","spotify_id":"3sstd2afQEb5yQw0ldiKI5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1ed41d470ad75ccc8a33c8f05f54ac142438d63b7290b173894967a389ad5e4. 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/3sstd2afQEb5yQw0ldiKI5.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/3sstd2afQEb5yQw0ldiKI5.
{"copyright_id":"0xdedeb04d7c122419cc876b9c22a10d77c9a065948abf5d544289996a48ab2a24","isrc":"USRE11900315","name":"Solace - Lastlings Remix","registered_at":"2026-06-08T19:57:53Z","spotify_id":"6HbWgGriXINOItFZOxcryD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdedeb04d7c122419cc876b9c22a10d77c9a065948abf5d544289996a48ab2a24. 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/6HbWgGriXINOItFZOxcryD.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/6HbWgGriXINOItFZOxcryD.
Get What You Want - Vintage Culture Remix
Get What You Want (Vintage Culture Remix)
{"copyright_id":"0x57934d5f0e4d7590145fc89617f132ab517eac58a3a7eda3254519f46812cb31","isrc":"QMFME2219253","name":"Get What You Want - Vintage Culture Remix","registered_at":"2026-06-05T15:07:25Z","spotify_id":"1z7ZRsJCIF3f5Y5I96iY2x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57934d5f0e4d7590145fc89617f132ab517eac58a3a7eda3254519f46812cb31. 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/1z7ZRsJCIF3f5Y5I96iY2x.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/1z7ZRsJCIF3f5Y5I96iY2x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f6f8eee7510bb3f5312325643918eb6328c63fe20829e61464a52d64762509. 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/7qRqmkHtKgk9B8FTGp9YjL.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/7qRqmkHtKgk9B8FTGp9YjL.
{"copyright_id":"0xf14d1afcecc8f9ad35bf0416ec784e262880c84d7f66724cc26540d79fc97a93","isrc":"USUG12002679","name":"No Time - RÜFÜS DU SOL Extended Remix","registered_at":"2026-06-08T16:55:52Z","spotify_id":"5LvPbxdpOgegu1V4x8gOGI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf14d1afcecc8f9ad35bf0416ec784e262880c84d7f66724cc26540d79fc97a93. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5LvPbxdpOgegu1V4x8gOGI.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/5LvPbxdpOgegu1V4x8gOGI.
{"copyright_id":"0xdedeb04d7c122419cc876b9c22a10d77c9a065948abf5d544289996a48ab2a24","isrc":"USRE11900315","name":"Solace - Lastlings Remix","registered_at":"2026-06-08T19:57:53Z","spotify_id":"7G8npnIHCo0sYhkEnQ37Tb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdedeb04d7c122419cc876b9c22a10d77c9a065948abf5d544289996a48ab2a24. 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/7G8npnIHCo0sYhkEnQ37Tb.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/7G8npnIHCo0sYhkEnQ37Tb.
{"copyright_id":"0x310896b28506c4ebab87106d66f1e0034ef526986ef98748d9540ac3a1a7e240","isrc":"GBUM71903987","name":"Flames (feat. Ruel) - Lastlings Remix","registered_at":"2026-06-06T23:21:10Z","spotify_id":"5GSxCRwcmFUo0eYjV5UmlR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x310896b28506c4ebab87106d66f1e0034ef526986ef98748d9540ac3a1a7e240. 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/5GSxCRwcmFUo0eYjV5UmlR.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/5GSxCRwcmFUo0eYjV5UmlR.
{"copyright_id":"0x1305ef1ff6d81f7e37811a6a6335d858469c8435b67241665c7989cbf9d19e70","isrc":"USUG12001280","name":"Take My Hand - Torren Foot Club Mix","registered_at":"2026-06-12T00:16:19Z","spotify_id":"42ChZoZUKCTKz3PZSofuG3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1305ef1ff6d81f7e37811a6a6335d858469c8435b67241665c7989cbf9d19e70. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/42ChZoZUKCTKz3PZSofuG3.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/42ChZoZUKCTKz3PZSofuG3.
{"copyright_id":"0x13690493bb13bd97ebddf4ac9d05040c2bb3bf3bf077e9f30165c52795d076db","isrc":"QM4TW1970785","name":"Deja Vu - Luke Alessi Remix","registered_at":"2026-06-07T02:33:25Z","spotify_id":"0t796F3fxvv4YfhBn6dfkY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13690493bb13bd97ebddf4ac9d05040c2bb3bf3bf077e9f30165c52795d076db. 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/0t796F3fxvv4YfhBn6dfkY.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/0t796F3fxvv4YfhBn6dfkY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f323a0785565d1527328c0f220a48ef028739db1192f18ac155f465372dcec7. 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/1w97JZClGdXkoqWJsIUYNZ.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/1w97JZClGdXkoqWJsIUYNZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f6f8eee7510bb3f5312325643918eb6328c63fe20829e61464a52d64762509. 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/3cjtV7mrujTD5DjrzMY6km.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/3cjtV7mrujTD5DjrzMY6km.
Take My Hand - Totally Enormous Extinct Dinosaurs Sky Remix
{"copyright_id":"0x15b888b303e88a30b3b28905b5012fa1d7960aa4092b751b8a3448aa7393781e","isrc":"AULI02030800","name":"Take My Hand - Totally Enormous Extinct Dinosaurs Sky Remix","registered_at":"2026-06-21T07:58:32Z","spotify_id":"0Z39TH5jpgKvpz08O8PBnu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15b888b303e88a30b3b28905b5012fa1d7960aa4092b751b8a3448aa7393781e. 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/0Z39TH5jpgKvpz08O8PBnu.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/0Z39TH5jpgKvpz08O8PBnu.
{"copyright_id":"0x8d3d252b5f76a2182d4a2661bdce233db2834e7664c3ff225bbb95e60d6d5605","isrc":"QMBZ91928362","name":"Last Breath - Tim Engelhardt Remix","registered_at":"2026-06-24T18:58:43Z","spotify_id":"4UliGqq7taV4jeYSpzwiME","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d3d252b5f76a2182d4a2661bdce233db2834e7664c3ff225bbb95e60d6d5605. 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/4UliGqq7taV4jeYSpzwiME.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/4UliGqq7taV4jeYSpzwiME.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87de814796e0ee07264a3877e25a04057f6744d9721d1bede1280585de2b4dbf. 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/6wtAkJH6mm5NRoRy2ZM3ks.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/6wtAkJH6mm5NRoRy2ZM3ks.