The Heavytrackerz are a group of record producers, songwriters and instrumentalists from Walthamstow, East London. The group currently consists of Lord Teedot, G.Tank and RasEye. HeavyTrackerz are oft
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc2210a0c4b8804c96cbb784403a10e8380714df0cea5f0b6668a9c561bb6ad0. 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/bfa193a8-7b1c-4d04-a43a-bf14b17090b4.json and https://artists.proofprofile.net/proofs/artist/bfa193a8-7b1c-4d04-a43a-bf14b17090b4.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc354c4a13c8a5a0934bf508b5ebbf8cd634c53b0f7310c846a7c8c78fd06fb0f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRX762053666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d5255365d6889887c1626a6ae0aa81479d9a2ae8195d833694da00d53d2347a. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/FRX282036012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x482c6c437585d239f2dab0670d7d2aa14ceeaf2e47a63575572a32db92ad6e53. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRX762053668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f679f2af1caecc80af9c9a8e6cad38becd81b3437cf39683ba041ba0caf0f77. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FR96X2015232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x921b8940a3450d0c2e813f1265026fa27bbb4748f73eb124da50c5bb4c1f6e53. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/GBBFF1700196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x402fb7a58584a5ea81c05a152935893349c94ed8c8b14b7d9edddb5449c26d5c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBBFF1700027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6cbbc20c605651a8306d68176c9b27ad21c14f6145485cd451917ac16d9fc02. 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/GBBFF1700029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf55b2a795a7cbc9f924e3c6ff54b6ec9564e8917b93fe89eb7cf32ca59b563e. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/GBBFF1700041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1351877272daa4fe4b891faf7737ae7f4a1ddeb752af1ed241879d4236a14ea4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/TCABS1303643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4db387dad40fd65fe461d0ab261a306ad960e0f8799e240206c4f749f96bba09. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USLD91733943.
You Got Me Feelin' (feat. The Heavytrackerz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d1f01a2790957a7824629f3430e5084e76528fa2f210589cc7d312425d297b1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FRX282106816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ced74cab9f8d7b0ce31f952a33aeb7eff803b48f21be809d6c89fd5ef83f32. 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/ZZOPM2105354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc27dfebc32dc8b9337c1797007b48b59f323149d6fecb9fa7fc11d0cc764c42a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRX762053671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d5255365d6889887c1626a6ae0aa81479d9a2ae8195d833694da00d53d2347a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FRX282036012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22d2f038e7896c30f7c55886da1bec84652b82a5ddd8a2dd5267ab10ecedeab5. 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/UKXN22098498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ab3b86031da04ec3ee62b80fbbe571b8aadcc3786fd4921b46baec40320c7e8. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/UKXN22056221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc230e1894927a1eac5d3d8cb9b6ca37051d5f5673634b5889f98ceded3bbef2. 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/FR96X2015231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9889d7236eae9d0d173b9d7dcb9605a4906e69ec3a18dfe8622af2ce4192c74a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBMA21874868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x133f7908a33dc88cf759e260ff365e55d8d072c2b1bdbef0baad2cce7305a8cd. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBDLM1600129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e9adde802fa900785622746f7d7221f1f2a12ccec63f5923bb3d2fea403e39d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBGPW1500017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84e4766ab9ef3d72780b98c65786f0e22528f80eee8f7e30a3a957983b13c9ce. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRX871585777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03e56e824e1fe64a2dc9dd0d6536b4e058728506236deca3b9f1cad36f8e4449. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/FR2X41426515.
Not That Deep (feat. Solo 45, Big Narstie, P Money, JME) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ebb5d00e5bff93eda627570f04c2a81c7dfd6c6262536e557105e0246c5cbee. 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/FR2X41426516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6130f6ac6f22bd357508e7b758cc449b3d6fb25bfd31a7387c67a3660c60217a. 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/FR2X41426517.
Not That Deep (feat. Deepee, Swift, Sleeks, Inch, Littlez, Reeko, K9) - Section Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfab90f91684c79ded537815821e0802c08009b7300d894f05b90e74471afa0da. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FR2X41426518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1a86653f0b26afb9363f2b1f535ca7d7ea32a983ed85617ef3c8d1749b17cb9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBUM71507722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cba0b69ce06eddc7c00c85d5ca4c058e38178c38161f4c330d5623cb3c6b431. 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/GBUM71507747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7faf5f5aef651899197219379550fdc4c62f4353ed0d2b30236a61d50cd581d6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBUM71507724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0e9a3d8b43fd8bfcf5795c1af21ee51862c78297243ebfffadbc0faacc42264. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBUM71507725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4d5788e7958c3d768d31456b9ee6fbd480972f0f19d79a40111ac84a2764269. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBUM71507726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x982899a54b36aaca085669e2ba8c2a61b5b1151a60340da95179fbc36871cc3c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBUM71507727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa536f59833ff92c569b3ea4ed0e38d0c85b60a9ef825fe959933d1aeac5cbc63. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBUM71507483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4577a4ce13e9c3c40ad53dde0c021c864cdda35305cdaa26286f8e3c2f2f9c6e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBUM71507732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7367d4d82e10e5261add254018353566646f4b0f3cdec0d04d5d485bc54a48e7. 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/GBUM71507728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3f69f7fa4a5ae56042c3c288bbd76ce93be614acc4d80d51ba4778aaca3a246. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBUM71507729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f50f6bc4b382cf0fbd9bcefdfa4ae4dcfde63bae52893e0f75204c6ceda6ef2. 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/GBUM71507730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd2e487e92397ae22e46abe72b2ddc8b50a1c52d02bea6318465131b3870eace. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBUM71507733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08dda45b0cc499bbe51a27e964d58735509da32a148c8325d4dca6b622139506. 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/GBARL1500700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d1cc3e09d34e4aa592207d625683e9a24739ebc79faa7c0d0156b60cd143140. 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/GBARL1601405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d0c79f32016e521efb4620191b823dce2fb16a031a2cf6838b0617800a846ae. 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/GBARL1500833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4bea7a02165dfa7a0ccc04236a42de475c45480b4abb39ae8fa7f2291f1f3f2. 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/GBARL1500910.