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 0xb45dc3471e691b97f281d61a67c5df6e0c13650e4a7f42b98e4b79cfd3bd32d6. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d8314797-80e4-4edd-b702-4052381e93a4.json and https://artists.proofprofile.net/proofs/artist/d8314797-80e4-4edd-b702-4052381e93a4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Essential Classics, Vol. 188: Sonny Boy Williamson II
The Goat - Sonny Boy's Soulful Harmonica Blues
{"copyright_id":"0xa92e53f9d9f1a9f8bdad858544e5c785ec5180d658549ebbaf6f70eb6922e065","isrc":"NLHR52144455","name":"Temperature 110 - Original Version","registered_at":"2026-06-25T22:37:16Z","spotify_id":"0eucerhGX2hiHPCVRK4zEP","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 0xa92e53f9d9f1a9f8bdad858544e5c785ec5180d658549ebbaf6f70eb6922e065. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0eucerhGX2hiHPCVRK4zEP.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/0eucerhGX2hiHPCVRK4zEP.
{"copyright_id":"0x7f1ac9a992414201f2f9cc9e2ea9e31cc1d8708730e9b3f01cde85f7920f09a3","isrc":"NLHR52144460","name":"I Never Do Wrong - Original Version","registered_at":"2026-06-27T05:32:51Z","spotify_id":"4tEKgRBKD8ejA71BoIHWou","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f1ac9a992414201f2f9cc9e2ea9e31cc1d8708730e9b3f01cde85f7920f09a3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4tEKgRBKD8ejA71BoIHWou.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/4tEKgRBKD8ejA71BoIHWou.
The Blues Collective - Sonny Boy Williamson
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95909f2bbb3c02d5ab6de084f117c5b186f82520fe3b28093a8f45aa4433e7c9. 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/7p7RCEVT9BhG4FVuX4gRrQ.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/7p7RCEVT9BhG4FVuX4gRrQ.
Sonny Boy Williamson No 2 Eyesight to the Blind (1951-1954)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x898147d75433b32e311b0a98f0fd0dc48a31e35f0826db5dd9c2833f25c101df. 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/6uZ5nsQcvMRguPvxf6v7TE.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/6uZ5nsQcvMRguPvxf6v7TE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b3291790a99a75b95f39f97fa53a0bd7e19925265a136492861aa701db90190. 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/2EQDB7J8CYmRKOCouqzHvS.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/2EQDB7J8CYmRKOCouqzHvS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf857e783846f20c76119bb732f7e1cac8ede49096f4b23f2220935f1dd85b24d. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1EA3cLRLbSN5mhT0W5NYTB.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/1EA3cLRLbSN5mhT0W5NYTB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x006e6a15a56bf936355ca9e66826a89deb0739410d8c461642652bd1ef0930ed. 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/6X8cCy1hAUIKk9HhjIsgK0.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/6X8cCy1hAUIKk9HhjIsgK0.
Let Your Conscience Be Your Guide - Remastered
{"copyright_id":"0xf95d9d81d3bd2f32cabb4ba0edf9fe90908cb2f9cfd99a9f7ecb2bbbd06cc1ef","isrc":"DEXO32030892","name":"Lonesome Cabin - Remastered","registered_at":"2026-06-27T05:31:47Z","spotify_id":"2MeMDB9dXipZrQ51d1usgj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf95d9d81d3bd2f32cabb4ba0edf9fe90908cb2f9cfd99a9f7ecb2bbbd06cc1ef. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2MeMDB9dXipZrQ51d1usgj.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/2MeMDB9dXipZrQ51d1usgj.
Instinctively the Blues - Sonny Boy Williamson
{"copyright_id":"0x30afab0ae2631cc411ddcea9095be106b849c477a838b2eb7bec12a800b5f769","isrc":"UKU6H1952755","name":"Let Your Conscience Be Your Guide","registered_at":"2026-06-24T14:51:33Z","spotify_id":"2qVPYxW24an3Ux1xvH4Sd6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30afab0ae2631cc411ddcea9095be106b849c477a838b2eb7bec12a800b5f769. 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/2qVPYxW24an3Ux1xvH4Sd6.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/2qVPYxW24an3Ux1xvH4Sd6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2facee09b2e366d09d4240c167c2bb37dc27411464e6de3640a9a2db7f412423. 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/3RVtgNlHgeXtBMEVF65dm6.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/3RVtgNlHgeXtBMEVF65dm6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc25c1180be28ed7831af69837f419bb661467e2787defc74c4d378100d70285d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2xWnOfoCtL1OVd3hZrd2B6.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/2xWnOfoCtL1OVd3hZrd2B6.
{"copyright_id":"0x9ae96239af35246996b7b5b0aa699fdd02bbdb21c5d7dce7939e451f92a451df","isrc":"FRP621486650","name":"Bye Bye Bird","registered_at":"2026-06-27T05:33:26Z","spotify_id":"7Kbqt8ZRnmMx7BYNtvyGSK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ae96239af35246996b7b5b0aa699fdd02bbdb21c5d7dce7939e451f92a451df. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Kbqt8ZRnmMx7BYNtvyGSK.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/7Kbqt8ZRnmMx7BYNtvyGSK.
{"copyright_id":"0xba30622a5b4ab1e200f5695223ac2fc7c6c14939b3011b0f2d6e9db3595dbf06","isrc":"BEDO61524435","name":"Good Morning School Girl","registered_at":"2026-06-18T17:14:27Z","spotify_id":"6taJ8zWNnPxNnoDvm3xQzq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba30622a5b4ab1e200f5695223ac2fc7c6c14939b3011b0f2d6e9db3595dbf06. 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/6taJ8zWNnPxNnoDvm3xQzq.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/6taJ8zWNnPxNnoDvm3xQzq.
{"copyright_id":"0xba6b8b36989b90896b69f73430ac320eeb9073c8eff913ade4dc1ba79786b95c","isrc":"USMC15649429","name":"Keep It To Yourself","registered_at":"2026-06-19T12:41:52Z","spotify_id":"7aLDq0mv7BlPo9TBFa8kbH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba6b8b36989b90896b69f73430ac320eeb9073c8eff913ade4dc1ba79786b95c. 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/7aLDq0mv7BlPo9TBFa8kbH.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/7aLDq0mv7BlPo9TBFa8kbH.
{"copyright_id":"0x16072f58953b7ea173b6552121f86135a342393eccb3db76ecb5fba958947f87","isrc":"USMC16046874","name":"Checkin' Up On My Baby - Single Version","registered_at":"2026-06-05T08:55:41Z","spotify_id":"77sKK1kSoNSF5eZKi4qYK6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16072f58953b7ea173b6552121f86135a342393eccb3db76ecb5fba958947f87. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/77sKK1kSoNSF5eZKi4qYK6.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/77sKK1kSoNSF5eZKi4qYK6.
{"copyright_id":"0x7962d81b306746a2ddc3855c6d5a8db13e61ab2b8615f077ee5cadeaabdf2239","isrc":"USMC16312115","name":"Help Me","registered_at":"2026-06-01T22:39:57Z","spotify_id":"14mlRwLZggaUPbKTnEpt6F","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7962d81b306746a2ddc3855c6d5a8db13e61ab2b8615f077ee5cadeaabdf2239. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/14mlRwLZggaUPbKTnEpt6F.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/14mlRwLZggaUPbKTnEpt6F.
Fattening Frogs For Snakes - Single Version
{"copyright_id":"0x6dd1427efff9415e488cadcf5fb59ad1f61a3cabbf1a4eb6a37731aae9dfbe36","isrc":"USMC16054593","name":"She's My Baby - Stereo Version","registered_at":"2026-06-10T04:40:26Z","spotify_id":"6KEvKXlFfxaSqL84NYm6TY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dd1427efff9415e488cadcf5fb59ad1f61a3cabbf1a4eb6a37731aae9dfbe36. 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/6KEvKXlFfxaSqL84NYm6TY.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/6KEvKXlFfxaSqL84NYm6TY.
{"copyright_id":"0x42eea5cb59bd58ea728df2aa99fc0d39ef0bb517e76c2ac1939647bdb649f18e","isrc":"FR8X00600443","name":"Pontiac Blues","registered_at":"2026-06-24T14:52:16Z","spotify_id":"6htuBre0oIxJDscHrSRsqR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42eea5cb59bd58ea728df2aa99fc0d39ef0bb517e76c2ac1939647bdb649f18e. 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/6htuBre0oIxJDscHrSRsqR.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/6htuBre0oIxJDscHrSRsqR.
Sonny Boy Williamson II, His Harmonica and House Rockers
{"copyright_id":"0xe9ab57bbe1cad2bd82fffa2d0595cc4848da430d59415693ebcee3e9825e0c30","isrc":"USMC15546857","name":"Don't Start Me To Talkin'","registered_at":"2026-06-09T18:45:13Z","spotify_id":"2RtkR2CwhsP5B40Ok53oWi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9ab57bbe1cad2bd82fffa2d0595cc4848da430d59415693ebcee3e9825e0c30. 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/2RtkR2CwhsP5B40Ok53oWi.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/2RtkR2CwhsP5B40Ok53oWi.
{"copyright_id":"0xba6b8b36989b90896b69f73430ac320eeb9073c8eff913ade4dc1ba79786b95c","isrc":"USMC15649429","name":"Keep It To Yourself","registered_at":"2026-06-19T12:41:52Z","spotify_id":"3P0FnZkWuSHpqNYpk2KVY3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba6b8b36989b90896b69f73430ac320eeb9073c8eff913ade4dc1ba79786b95c. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3P0FnZkWuSHpqNYpk2KVY3.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/3P0FnZkWuSHpqNYpk2KVY3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16072f58953b7ea173b6552121f86135a342393eccb3db76ecb5fba958947f87. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1PpqN8XOq9t6OrnPPfB3sX.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/1PpqN8XOq9t6OrnPPfB3sX.
{"copyright_id":"0xd5544fc71a188ae7b91e616c1753cae3da4a2783573c60b90dc0ccc33b879f0f","isrc":"USMC16046878","name":"Down Child","registered_at":"2026-06-22T03:19:20Z","spotify_id":"4duUCmonLvlol4klC0LhoQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5544fc71a188ae7b91e616c1753cae3da4a2783573c60b90dc0ccc33b879f0f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4duUCmonLvlol4klC0LhoQ.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/4duUCmonLvlol4klC0LhoQ.
{"copyright_id":"0xa904858e66718743e8872fee70eece420198798aae66355f8f67dbda75df6cb8","isrc":"USMC16111227","name":"Nine Below Zero - 1961 Single Version","registered_at":"2026-06-05T21:51:16Z","spotify_id":"4zbGQVKrbIIIclx374gtdH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa904858e66718743e8872fee70eece420198798aae66355f8f67dbda75df6cb8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4zbGQVKrbIIIclx374gtdH.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/4zbGQVKrbIIIclx374gtdH.
{"copyright_id":"0x039917c31fb2ab53aa61a2f2f038af85bdf2516c5bf9e69b9ade5d8322cf93c7","isrc":"USMC16312114","name":"Bye Bye Bird","registered_at":"2026-06-08T03:51:31Z","spotify_id":"1JsQZXKSoOVDTpCB8zlRpy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x039917c31fb2ab53aa61a2f2f038af85bdf2516c5bf9e69b9ade5d8322cf93c7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1JsQZXKSoOVDTpCB8zlRpy.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/1JsQZXKSoOVDTpCB8zlRpy.
{"copyright_id":"0x7962d81b306746a2ddc3855c6d5a8db13e61ab2b8615f077ee5cadeaabdf2239","isrc":"USMC16312115","name":"Help Me","registered_at":"2026-06-01T22:39:57Z","spotify_id":"6s23iVMDYmEpIuqUSQxPYC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7962d81b306746a2ddc3855c6d5a8db13e61ab2b8615f077ee5cadeaabdf2239. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6s23iVMDYmEpIuqUSQxPYC.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/6s23iVMDYmEpIuqUSQxPYC.
{"copyright_id":"0x1ccaace551bd95660dac0bd4af73545ba1ad712c6433b29880a3dcaaf3d53da6","isrc":"USMC16346877","name":"Bring It On Home","registered_at":"2026-06-04T07:54:12Z","spotify_id":"1f7Z86rQzwiXz007rjOHVG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ccaace551bd95660dac0bd4af73545ba1ad712c6433b29880a3dcaaf3d53da6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1f7Z86rQzwiXz007rjOHVG.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/1f7Z86rQzwiXz007rjOHVG.
{"copyright_id":"0xf974a2f1fbc0c5f888949d91105c407ca34c019cb3117725a2aa8aa82b8000c6","isrc":"USAP30031005","name":"Eyesight to the Blind","registered_at":"2026-06-20T09:16:58Z","spotify_id":"57IzbgRCwf1MtmUWnxNa4h","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf974a2f1fbc0c5f888949d91105c407ca34c019cb3117725a2aa8aa82b8000c6. 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/57IzbgRCwf1MtmUWnxNa4h.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/57IzbgRCwf1MtmUWnxNa4h.
{"copyright_id":"0xeda2015b11838a1bd0e39548b20d47c4b7dabfaf3346dce9ad040abefc9cc1a9","isrc":"USAP30031010","name":"Mighty Long Time","registered_at":"2026-06-21T04:18:30Z","spotify_id":"0s3BqOzIFneLvD1lZJY8VJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeda2015b11838a1bd0e39548b20d47c4b7dabfaf3346dce9ad040abefc9cc1a9. 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/0s3BqOzIFneLvD1lZJY8VJ.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/0s3BqOzIFneLvD1lZJY8VJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa76e2b014c15091398e039e2775bcf8af12b8bb3a9ca4b4736cfc769e2a06d33. 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/52vZU299EyFyQXwv3qRcsI.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/52vZU299EyFyQXwv3qRcsI.
V-8 Ford / Stormy Monday / Right Now / Come Go with Me - Kpfa Radio Program
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecfaac1a4e923f0a3866677a74736e0caca2638e2e4a4d49bd574cb9c14f9c5c. 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/55e3o9Bd37uueXKjnxyKOl.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/55e3o9Bd37uueXKjnxyKOl.
Sonny Boy Williamson with The Yardbirds (Live at The Crawdaddy Club, London, December 1963 - 2015 Remaster)
Bye, Bye, Bird - Live at The Crawdaddy Club, 1963 - 2015 Remaster
Mister Down Child - Live at The Crawdaddy Club, 1963 - 2015 Remaster
The River Rhine - Live at The Crawdaddy Club, 1963 - 2015 Remaster
23 Hours Too Long - Live at The Crawdaddy Club, 1963 - 2015 Remaster
A Lost Care - Live at The Crawdaddy Club, 1963 - 2015 Remaster
Pontiac Blues - Live at The Crawdaddy Club, 1963 - 2015 Remaster
Take It Easy, Baby - Live at The Crawdaddy Club, 1963 - 2015 Remaster
Out on the Water Coast - Live at The Crawdaddy Club, 1963 - 2015 Remaster
I Don't Care No More - Live at The Crawdaddy Club, 1963 - 2015 Remaster
Honey in Your Hips - Live at The Crawdaddy Club, 1963 - 2015 Remaster
Western Arizona - Live at The Crawdaddy Club, 1963 - 2015 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7962d81b306746a2ddc3855c6d5a8db13e61ab2b8615f077ee5cadeaabdf2239. 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/5bC6ONDsL88snGN6QasjZH.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/5bC6ONDsL88snGN6QasjZH.
{"copyright_id":"0x039917c31fb2ab53aa61a2f2f038af85bdf2516c5bf9e69b9ade5d8322cf93c7","isrc":"USMC16312114","name":"Bye Bye Bird - Mono Version","registered_at":"2026-06-08T03:51:31Z","spotify_id":"3XdGtdvEhEJXZoXNNVPdGC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x039917c31fb2ab53aa61a2f2f038af85bdf2516c5bf9e69b9ade5d8322cf93c7. 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/3XdGtdvEhEJXZoXNNVPdGC.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/3XdGtdvEhEJXZoXNNVPdGC.
{"copyright_id":"0xa904858e66718743e8872fee70eece420198798aae66355f8f67dbda75df6cb8","isrc":"USMC16111227","name":"Nine Below Zero - 1961 Single Version","registered_at":"2026-06-05T21:51:16Z","spotify_id":"2fl0cWcfguB0Dzi3Zh3PuQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa904858e66718743e8872fee70eece420198798aae66355f8f67dbda75df6cb8. 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/2fl0cWcfguB0Dzi3Zh3PuQ.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/2fl0cWcfguB0Dzi3Zh3PuQ.
{"copyright_id":"0xd9cfda2a0e8ab2c9cd827491f89d91b698515b1f330e92050e3dfb60c9feab2d","isrc":"USMC16010572","name":"The Hunt - Mono Version","registered_at":"2026-06-25T22:38:12Z","spotify_id":"6aBKCiNAcnB5D1mQ2PTuXS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9cfda2a0e8ab2c9cd827491f89d91b698515b1f330e92050e3dfb60c9feab2d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6aBKCiNAcnB5D1mQ2PTuXS.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/6aBKCiNAcnB5D1mQ2PTuXS.
{"copyright_id":"0x1ed9dbd37f93be681eb22040b9b83ad55dd3ae6675ca8546f5b7111ced3a12eb","isrc":"USMC16010571","name":"Stop Right Now - Stereo Version","registered_at":"2026-06-18T02:31:38Z","spotify_id":"4Uo4RCirDyu9P9YaUAFFPV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ed9dbd37f93be681eb22040b9b83ad55dd3ae6675ca8546f5b7111ced3a12eb. 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/4Uo4RCirDyu9P9YaUAFFPV.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/4Uo4RCirDyu9P9YaUAFFPV.
{"copyright_id":"0x6dd1427efff9415e488cadcf5fb59ad1f61a3cabbf1a4eb6a37731aae9dfbe36","isrc":"USMC16054593","name":"She's My Baby - Stereo Version","registered_at":"2026-06-10T04:40:26Z","spotify_id":"0aub1Pe1W4m5GWPgXI3mOG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dd1427efff9415e488cadcf5fb59ad1f61a3cabbf1a4eb6a37731aae9dfbe36. 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/0aub1Pe1W4m5GWPgXI3mOG.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/0aub1Pe1W4m5GWPgXI3mOG.
{"copyright_id":"0x4c8e06bf47bb75c93c9a726fcdd871cdd7d0312376f5b092cc9652308105b10b","isrc":"USMC16051826","name":"The Goat - Mono Instrumental Version","registered_at":"2026-06-22T03:15:11Z","spotify_id":"2P9LXPhctJZy6GUYtC5NSm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c8e06bf47bb75c93c9a726fcdd871cdd7d0312376f5b092cc9652308105b10b. 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/2P9LXPhctJZy6GUYtC5NSm.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/2P9LXPhctJZy6GUYtC5NSm.
{"copyright_id":"0x9b18849059a836471cab0ee988afae2127c53f4992a4a5c65f87d5eb42bac5ce","isrc":"USMC16312666","name":"Decoration Day - Stereo Version","registered_at":"2026-06-22T03:15:17Z","spotify_id":"4vkJ4pCd6bSl4rBNxIOfar","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b18849059a836471cab0ee988afae2127c53f4992a4a5c65f87d5eb42bac5ce. 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/4vkJ4pCd6bSl4rBNxIOfar.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/4vkJ4pCd6bSl4rBNxIOfar.
Trying To Get Back On My Feet - Stereo Version
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd57c61a58506686249fcc8b24f72d7709665c96b199d7f32eb3bd40730b57a52. 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/5SXAoAjPHTVGYODTOpqRGE.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/5SXAoAjPHTVGYODTOpqRGE.
{"copyright_id":"0xa81f1837d9c2bfa66a18689bce7b2f6809eeaa9061cc7d7b1455c64244500d4d","isrc":"USMC16312664","name":"My Younger Days - Mono Version","registered_at":"2026-06-10T04:51:36Z","spotify_id":"4z7r3I4pI8YoUsUppAUZud","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa81f1837d9c2bfa66a18689bce7b2f6809eeaa9061cc7d7b1455c64244500d4d. 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/4z7r3I4pI8YoUsUppAUZud.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/4z7r3I4pI8YoUsUppAUZud.
{"copyright_id":"0xf1446fc8ad35b86327ed9079d5b3cc3b741c8685c85c6d02ad616c79afe8b717","isrc":"USMC16413211","name":"Close To Me - Stereo Version","registered_at":"2026-06-22T03:16:57Z","spotify_id":"7cFPL2wEHRYqZyy6vTcyXQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1446fc8ad35b86327ed9079d5b3cc3b741c8685c85c6d02ad616c79afe8b717. 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/7cFPL2wEHRYqZyy6vTcyXQ.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/7cFPL2wEHRYqZyy6vTcyXQ.
{"copyright_id":"0x786cf37edcd9fae4a4a07c4963a9d976fd587f59635775a76761f8f986310b27","isrc":"USMC16054595","name":"Somebody Help Me - Mono Version","registered_at":"2026-06-22T03:30:21Z","spotify_id":"1v0D2YFE15WXlxqvoKmCGv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786cf37edcd9fae4a4a07c4963a9d976fd587f59635775a76761f8f986310b27. 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/1v0D2YFE15WXlxqvoKmCGv.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/1v0D2YFE15WXlxqvoKmCGv.
Sonny Boy Williamson & The Yardbirds (Live)
{"copyright_id":"0x9ba1ce825aa87d9af3525a266292c145f5fdbbb1e202555640e35eb6e7ddbc28","isrc":"GBUM71507107","name":"Mister Downchild - Live","registered_at":"2026-06-19T23:48:30Z","spotify_id":"6fR303vndYcSsp75oWLAIH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ba1ce825aa87d9af3525a266292c145f5fdbbb1e202555640e35eb6e7ddbc28. 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/6fR303vndYcSsp75oWLAIH.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/6fR303vndYcSsp75oWLAIH.
{"copyright_id":"0xbe21bca1c4c2a96933706f308b651f807f4cb2fdaa3c1f87afc9fad66a396270","isrc":"GBUM71507109","name":"Out Of The Water Coast - Live","registered_at":"2026-06-21T20:38:17Z","spotify_id":"67bypDucTl6hfe1ydClet8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe21bca1c4c2a96933706f308b651f807f4cb2fdaa3c1f87afc9fad66a396270. 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/67bypDucTl6hfe1ydClet8.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/67bypDucTl6hfe1ydClet8.
{"copyright_id":"0xc5582eeebdb1f98ef37a4a7aea0de795726a15c4a3a4daf96437f9ab32822499","isrc":"GBUM71507111","name":"Pontiac Blues - Live","registered_at":"2026-06-19T08:51:21Z","spotify_id":"6FEyzRONvW0guKRjnW5Mtf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5582eeebdb1f98ef37a4a7aea0de795726a15c4a3a4daf96437f9ab32822499. 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/6FEyzRONvW0guKRjnW5Mtf.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/6FEyzRONvW0guKRjnW5Mtf.
{"copyright_id":"0x5cfa968aba171a11e82d05bf0f94551e0d0635efc6a9c167fe29c88d5e85a145","isrc":"GBUM71507112","name":"Take It Easy Baby - Live","registered_at":"2026-06-20T02:45:31Z","spotify_id":"3Npcy6Ao4d2FP1FSobtz55","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cfa968aba171a11e82d05bf0f94551e0d0635efc6a9c167fe29c88d5e85a145. 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/3Npcy6Ao4d2FP1FSobtz55.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/3Npcy6Ao4d2FP1FSobtz55.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe94a50133fea58f73b284d5ff445130f9805e2a99eb632d1cb5d574711e5197d. 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/2itCQlm9s7yW21eZoF4eyH.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/2itCQlm9s7yW21eZoF4eyH.
{"copyright_id":"0xa26994b205774e6a1b6b30f512df2f983eda475488832a0a8f7fe7683c8fc009","isrc":"USMC16046872","name":"Too Young To Die - Stereo Version","registered_at":"2026-06-08T03:49:26Z","spotify_id":"6ypTuBGqEUwUycucfdFU0J","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa26994b205774e6a1b6b30f512df2f983eda475488832a0a8f7fe7683c8fc009. 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/6ypTuBGqEUwUycucfdFU0J.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/6ypTuBGqEUwUycucfdFU0J.
{"copyright_id":"0xfe1d952e3b9adccf259207af63c891521f2bc45b20f774e677192948f5c794de","isrc":"USMC16046873","name":"Trust My Baby - Mono Version","registered_at":"2026-06-19T12:43:11Z","spotify_id":"3nzlpFJW2uvMzBliyTwois","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe1d952e3b9adccf259207af63c891521f2bc45b20f774e677192948f5c794de. 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/3nzlpFJW2uvMzBliyTwois.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/3nzlpFJW2uvMzBliyTwois.
{"copyright_id":"0x16072f58953b7ea173b6552121f86135a342393eccb3db76ecb5fba958947f87","isrc":"USMC16046874","name":"Checkin' Up On My Baby - Single Version","registered_at":"2026-06-05T08:55:41Z","spotify_id":"2OhZ7z0LwACA5mi1t8vuxx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16072f58953b7ea173b6552121f86135a342393eccb3db76ecb5fba958947f87. 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/2OhZ7z0LwACA5mi1t8vuxx.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/2OhZ7z0LwACA5mi1t8vuxx.
{"copyright_id":"0x5fe2c2d0be73cb822a80f73640207e022ff8f7556b1ed3d67c6d784696cf3c3b","isrc":"USMC16046875","name":"Sad To Be Alone - Stereo Version","registered_at":"2026-06-09T18:42:26Z","spotify_id":"2EZSZtsavKm9Ol0UHLARIW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fe2c2d0be73cb822a80f73640207e022ff8f7556b1ed3d67c6d784696cf3c3b. 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/2EZSZtsavKm9Ol0UHLARIW.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/2EZSZtsavKm9Ol0UHLARIW.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa330d08e468ce9d121ddae71c343a4fd990f4aa21d5f8b1d21759a0ed40dff15. 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/44QFnTE082N7Rvdppy0vqk.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/44QFnTE082N7Rvdppy0vqk.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1169d384affd13d05d4881388189a23babcc085f3775eca6a9a5d4031401f788. 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/5K78KRl57O0mzqj4Ea722D.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/5K78KRl57O0mzqj4Ea722D.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22332b8e55539c1e91099419386de11b92290e10725dfc9615c473b85e80af2f. 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/4CMwTWtrdz8p5MjWq2aiY0.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/4CMwTWtrdz8p5MjWq2aiY0.
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Bye Bye Bird - Gettin' out of Town - Live
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Matchbox Bluesmaster Series, Vol. 10: Home Town Skiffle