Leighton Paul Walsh, better known by his stage name Walshy Fire, is an American DJ, MC and record producer. He is part of the dancehall reggae-influenced group Major Lazer alongside fellow DJs Diplo a
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55429b30f8007cbf10f73e02501eb015eab8ab02c40cac5d442323394ae0d290. 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/6b77fe65-92d6-4a48-918b-60c5163bb968.json and https://artists.proofprofile.net/proofs/artist/6b77fe65-92d6-4a48-918b-60c5163bb968.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cd5af779b8920571a01279ecb7e33bb0a834e0150a9f56c9ae21658abbc0879. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMUY41700279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cd5af779b8920571a01279ecb7e33bb0a834e0150a9f56c9ae21658abbc0879. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMUY41700279.
Walshy Fire & The Expanders Present Thanks For Life
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60b892599560da20d484fbabeb1194c0185be70c32c78d39950e6d2fc15f8ed4. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JMA271805733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65e9df3dda7f8fa1c0a4cdfd2e5a6f8ae6706914c8a2f66947780b4eff54d653. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JMA271805744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e7ac9a7f0b594945028246abb95e0f1125ff72815a0378d8995f2df36b3dff0. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZ4V1900158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa053efcf359292b397d324e000db67009bb31ef6098d8d8997a93be18be682d1. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T21:24:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZ4V1900223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb510dc8e2a1641d0a66dd9e9eeda7609d04c174d22fa75249002127c16dfe304. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZ4V1900172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e7ac9a7f0b594945028246abb95e0f1125ff72815a0378d8995f2df36b3dff0. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZ4V1900158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ba26b98a55627b8140c4579e65f5124c60c772e7bedf3ca60891817a5f48616. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZ4V1900222.
Walshy Fire Presents: Jamaica Meets Brazil
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb68c6c96009e5dc5f8f81b061968ff2ebae1e24a9a3846bfa6785170bdc6bfc9. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ41989773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0dfc3f3dd4d2872d667c82a5b6c620350b9b9095b2179d30a0f9555c29838e9. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USVPR1900179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe475529728b31b31ea64fa456575c33be6cabfeebb456cd9be92b5a7b1273a86. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T13:01:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USVPR1900183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e77a8452b55ec7724ca5c6c3d529f61432fa53f9f1c8d25635dcf6f3edc520a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ32130888.
Machet & Walshy Fire Presents: Mountain Peak
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05d0be3f92e979228af0742996d5041605ab2c674c34cf7157d3f135aaf9853f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZ4V2200022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x228e3ca8f376ea378a0333169ae81364397b4fa96136480784e0b9fbcfdaeb1f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2559799.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa7ac5b662d12cf71a8f2d9fcbba7b6ff3dcb03ed42f8ef408e3f038d230c60c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRWMB2200788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b3a626dcda06cc7873d916e89f8e4c8aa13f4b3298bceae32588a8c05353fcf. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea0f15ca51598bd8f8397fa48f736195d8358409e88429b2bb1e3b29952ccff5. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a5f8b401e88c63ed30d03d3deeafc4503dcc4bd266a3ec0e64cca4320a8d6d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x211409628e3d1b6436018d5b57cb1b4ab5261c93f4e9b2c4cf01ddc49375d22a. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4794b6cfa1ef53f42f3a84c3a7fbaf7971eabbba06082735f8737f9ddfd9a5c2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0ad1f76ee62fe15a56446db7700c4113dc7430c954a8f0b402d408a839448c5. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAHS1901249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e07ac8b62a4eb8c76be1db6fe84d335c62ab17275e068c0649c647d9a9f18e5. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb4fd106c0fb05eb36bcd85687b05c8d6a0fd709efe3ba718da1509359471154. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x878b8cc3fc60ac15b5688c31905cc4ce9bd3a02a10c122433ee7d4fd59c7e4e2. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5a5882935fedc931606992df5d9fb56c148193f21d7cf6ba31d0c3b425fbdf2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b6322ac54a9381b2602ee19017b6a9140d7c989dbe03ced89e15f2ddeecbc76. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf37fe42a111a36d217040ae1670a7a0d327001c99d4b25b07f68f6b8c9abbf29. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b9eb2ff2e3efd8b0ec7f00a3d94b6b0625c386d58008f4e95d30147d7d446b7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37801cdf4a1dde12c86b92963d83d531eccc118e0af44f4a58308cd412e7102c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae759001f76cc437df952990af94b81bf631fc27dd9e5b097abbb7a09afbeabd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a68f201214b7c2bded4b1b0d19797db76df6b60bf305f35d5eed131af6fb9b1. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8470950b36fe4ff99269b97fbbf47f0082884eaf8d8d7947170d5a3dd957e489. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARL1901143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06afd3fdcc919c7c31895eb3d64bda6ef1c8fa92fbd0098d03f3490db640eeb9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NGUM71800101.