Aaron Jerome Foulds, known professionally as Sbtrkt (stylised as SBTRKT; disemvowelment of "subtract"), is an English musician, songwriter and record producer. Jerome has remixed songs by artists such
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 0xce63191e39328ac8bf6ee9f610b4e7b581f95033e416ecb4543a6d7a524a3551. 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/182b8de5-cf78-4c12-ad77-44c3e9ffae56.json and https://artists.proofprofile.net/proofs/artist/182b8de5-cf78-4c12-ad77-44c3e9ffae56.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 0x5da03e2e87d1c7b8d6c1d7e8f731b53a71f5ab4ac522272e339480e653b4d86a. 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/QM4TX2369224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb450c21804a53638ab95c612dfa7ea162fecdbcece6a0d11f5c60310c19471b0. 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/QM6MZ2337443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3947b9c6fcaecdf3558e9e90ca9035c2dcc231f2f78b8c2d723728b15a50014. 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/QM6MZ2306949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x847c8b5eedea82827803c789fd83a1f0728fb2d20d5fa9741e224380cb5bb781. 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/QMFME2245821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88a88279aaa72d77201dc65abb174bcc28a731b53ad4bb762a50edcbce6fff78. 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/QM6MZ2337907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb4def8b6afd859ff186358fc64cfac3b0452add7fc53fded812d87a5413a8d8. 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/UKF2Z1600002.
I FEEL YOUR PAIN (feat. D.R.A.M. & Mabel)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53df0b26afc503fef1f5c0a0f308b5f57a7a75091ba7682d3fe1d2c1e1d0f6e0. 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/UKF2Z1600003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80cf0941073e3aadedc4ba9d69007f663009638d346767c9a383452ec15854a0. 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/UKF2Z1600004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea4331387a1c4f5b6724c84b97538576d5df8b7962b2cc7fdfabd84c3da187f8. 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/UKF2Z1600008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13c9cad8a77383bceb5cbf14531e4612429472e4208d52ed37ca3869d20c17c0. 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/GBBKS1400203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x732cfc2f3af389b460a7e04e4b807377af5c643ba7493355853d3e2febe8c35c. 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/GBBKS1400204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca7b2745d9c6fff7b3e4e6198a0074abc9eb6f37012541b7c7b60ccab01bd806. 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/GBBKS1400205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5d3fb2599d814c905a0eabbc8588b03840cc89ae4d464ead5d9d3b5f60e8774. 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/GBBKS1400209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x389b7252cf8510b1a76064e787a4c52b6bc1d8daae3cdcfad699690bc79bdf9f. 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/GBBKS1400210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe44f6414dd01852a9f78bd6f75f9c8234b77c1a3f23b330dcfc46cdd07447a6d. 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/GBBKS1400211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde14e3d3516ad211e9979d9028edb3d5ef578457f42c7cce39d80a07aaf83d75. 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/GBBKS1400212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf080f3e9214ef3f9a5439bfddbb7203c8bd0026abd65784eb08ccaf931cffd7. 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/GBBKS1400213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fcb85748442a0086d5e950e8b46ed2a4d2da5c385522097cc2d37605916bec8. 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/GBBKS1400214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdce6b52f661f802aa0cb4d06155be6454b4a87835f2dd53b0fb9308b23cf4bc. 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/GBBKS1400215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3f5b2f34e5505c0179457f946f6a66aab1d3fb3d4700184f7130de6a2749bde. 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/GBBKS1400216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380c8bcacbf42f4581cdba261ab4c7f2929da770c42b3634aff30551c6580da3. 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/GBBKS1400061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3fb7215c4ba656e5922127fd4e6a212b6a719d2028676ea4d8d227482f90e79. 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/GBBKS1100050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x138aa94a83e4e2b810d48e77c89058c70484e03a35cd3186bb16c712ae526978. 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/GBBKS1100052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfcc84a4f37387285e24217441b245f666ebedcf609e4d513413345ea2ff5f61. 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/GBBKS1100053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e24f5694a2df894e6da1ede1339e3321b5223df0fa0375929dad7c4b4de3e36. 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/GBBKS1100051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2ec87b1f9c894dd8d83decd42ecce036c641be164a1e66f94d26149b491c411. 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/GBBKS1100055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5432144d5461a53767fb536ebfbac030099ed1a29509082c89b41eb72d20aa1. 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/GBBKS1100056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36659491140fd63f28c9a14bf370cc4107ac2f9b31989a7d8d4f3fa5d9fb419f. 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/GBBKS1100057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d8a17abd697f440293f2df69cd92e706ec62818ca04c75374d4405f3e02f1d. 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/GBBKS1100058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3fb7215c4ba656e5922127fd4e6a212b6a719d2028676ea4d8d227482f90e79. 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/GBBKS1100050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e24f5694a2df894e6da1ede1339e3321b5223df0fa0375929dad7c4b4de3e36. 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/GBBKS1100051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2ec87b1f9c894dd8d83decd42ecce036c641be164a1e66f94d26149b491c411. 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/GBBKS1100055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36659491140fd63f28c9a14bf370cc4107ac2f9b31989a7d8d4f3fa5d9fb419f. 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/GBBKS1100057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d8a17abd697f440293f2df69cd92e706ec62818ca04c75374d4405f3e02f1d. 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/GBBKS1100058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8afc631b949cdbbaeb13b1b5913015cf5c19f7e37c30e5dae1b087e9dda12ada. 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/GBBKS1100091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3947b9c6fcaecdf3558e9e90ca9035c2dcc231f2f78b8c2d723728b15a50014. 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/QM6MZ2306949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x847c8b5eedea82827803c789fd83a1f0728fb2d20d5fa9741e224380cb5bb781. 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/QMFME2245821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x506d6906c77385156e3414f294b96405e0b8ca5df54cd13e8cc0b7989f184743. 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/GBKPL2207587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3fb7215c4ba656e5922127fd4e6a212b6a719d2028676ea4d8d227482f90e79. 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/GBBKS1100050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1332fe89d06c0ddbdf0fedcfc9dc74b028f1c5f03b03cb97fad84dc6afdbd624. 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/GB6HK0900021.