Jeffrey Dean Isbell (born April 8, 1962), known professionally as Izzy Stradlin, is an American guitarist, singer, and songwriter. He was a co-founder, rhythm guitarist, and backing vocalist of the ha
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 0xa83ea19dff890d359f502dbe9e0203a81c45b3f34f7cd63b5504bf2a1f089dae. 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/5b2dcdfc-f5fc-4b5b-834e-3cffd5a68f65.json and https://artists.proofprofile.net/proofs/artist/5b2dcdfc-f5fc-4b5b-834e-3cffd5a68f65.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 0xce2a93666efd10e5a271990d5d27a15371f20fb5fbfbb51c81ac3a461501c7a5. Chain 2 (Bitcoin): anchored in block 957625 (2026-07-11T23:15:09Z), 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/USGF19720202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x267ce3773b12fb9795c6071ba09fa353d8de77ae531f4aa98b7c742d25434779. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T14:10:20Z), 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/USGF19720203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe037af66e592a755725903d56cc0dcb4cc8b44307e4f3aef4d99959419cbac05. 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/USGF19720204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cd5cfae4e9fa4eb80b13dfcf37e464e4469597b805b0c96a71a67bfeda56f99. Chain 2 (Bitcoin): anchored in block 958680 (2026-07-19T06:04:14Z), 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/USGF19720205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43ea359c11e476c7ff005d2c602c708fa3cc4eed45ccf36dc8463ccfabd8fe6d. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/USGF19720207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5543f0f2928426b73a92e5a3c195da6e3e850dbe3811ace7214fa5d85087e326. Chain 2 (Bitcoin): anchored in block 958686 (2026-07-19T06:43:29Z), 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/USGF19720208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe5aec3e79fd46295f22e229b712c966bd89b9c06686913b4888f1233044d4a2. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/USGF19720209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x112872b858d061cf04b22cf2019745a56ee0c195dfe15b8efc2eae9c9047fcd5. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/USGF19720210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6e9556bbc079bdf648a9f21dcbc5ad3c34b9ce6f660071568d2e75b5119d4b5. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/USTC10655317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed968e37a593f75c77b40c76abe580994825e049acb043f1f22dbccb9178cb06. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T02:15:08Z), 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/USTC10655322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6a37d649d43469979900a1b60cf03030d2bd6dd3bf300007585c4cbe7f035e9. 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/USTC10655239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe635730254fd86adef52678a4a5cee6bdfe7f57e10bf1c7e61d342e72a4bd309. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/USTC10655241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f47a78e0b3f4138211d97245cc505073d04a00377bbb1c7479592968fb1774b. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T10:47:01Z), 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/USTC10655247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb881f07919ba7636df64492e1ef7eb87a53acf60287168576f8ac5e17c366111. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/USTC10655264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c444b9603cb7cebd17f81b4906349286cace5e24e9df29b17cddbb043cdb5fe. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USTC10655268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaad086b819aba20bb06639c1aa509c73035910e36117c698a3dced1716214ada. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T01:58:09Z), 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/USTC10655270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5503254634ee34d974a265fd83126fe19065f2a884703423abb19fd5684991f4. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USTCG1044871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79570bafc45c67b9c8f0e17afcdd07a4de45ef2aa2872b8b4db68e5ba36f9909. Chain 2 (Bitcoin): anchored in block 958691 (2026-07-19T07:19:31Z), 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/USTCG1044873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbba100f48cf25ab79f59663178773a68b801a0cf3da749b7fc8e7919ac58f94d. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/TCABK1257017.
Call Me the Breeze (feat. Lauren Barth & Jesse Aycock)
Sweet Child O' Mine (made famous by Guns N' Roses)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a7adb927c6e1b7936309ec1e2e1500e759a6f71802c42ba193ba16e316bbaf6. 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/USA371001724.
Sweet Child o' Mine (Arr. for Harp by Kristan Toczko)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc00d016170d057b47e03269930ecb75995f85333ea984c995d648f11cbcf7ee8. 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/CA4Q32400001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3a3a74ae807b291266f6e32297ee8df1ace6e9a27675c55e00b2af175fee25d. 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/USA560906384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e18dc29454de0cc2895676c7dfe85363ca3e4fa4a459d4331d21b1fa3a4a5d. 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/USA371081239.
Reimagined for Ballet Class, Vol. 1: Songs from the 80s
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3548f9c5bde97b2691b672467b0afd0b1547e9305930c590403154a487f0c810. 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/GBKPL1936179.
The City of Prague Philharmonic Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89b4c9fb1dd7d0dda9f3993833da22fac12d0b3c0bfc8140917d122a14a0546b. Chain 2 (Bitcoin): anchored in block 960349 (2026-07-31T05:23:41Z), 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/GBBBA1042840.
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
Lime Tree Islet - New Music for Flexible Instrumentation - Demo Tracks 2017-2018
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f02d908608a7a884867390e23b38bd6ac07e72ec50201c2a2481cd6ae5686c5. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/NODGN1705070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8068baa15caa772093c1ce779096099e68a58e56c3861ffd92865cb65d64e146. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/US23M1400015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81c5f9adcd0ec42073945ebc9b67b713d6f72aa1ca9b6fe2b117ec38a28ab7ab. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/GBBZS2060811.