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 0x0bf0cbb70a30220b466277011d6408febe04257e3a555d87e49cd2876ef2fec3. 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/c0dd44b1-e087-43b3-9907-480eb590dc71.json and https://artists.proofprofile.net/proofs/artist/c0dd44b1-e087-43b3-9907-480eb590dc71.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
It Takes A Lot To Laugh, It Takes A Train To Cry
Well-Matched: The Best Of Merl Saunders & Jerry Garcia
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 0x69735ec564a84a91d58b5acf14a9510d0c74b3891f4b05df53cb5758376ae8ea. 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/3gO4TR59HbPQK6iZtIAfNE.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/3gO4TR59HbPQK6iZtIAfNE.
{"copyright_id":"0xfedd8efc784aab66a72d32e4f7e99d6f6baf326d800653f7a2cdd74559484282","isrc":"USFI87300383","name":"Lonely Avenue - Live","registered_at":"2026-06-08T23:32:19Z","spotify_id":"1c3Q9jT16mm2FKwgxDKjaK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfedd8efc784aab66a72d32e4f7e99d6f6baf326d800653f7a2cdd74559484282. 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/1c3Q9jT16mm2FKwgxDKjaK.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/1c3Q9jT16mm2FKwgxDKjaK.
{"copyright_id":"0x0bace2ead67bcb9f4dc802723e6ecce465ab7891c98d2c601a7ede03dafbf924","isrc":"USFI87300369","name":"Positively 4th Street - Live","registered_at":"2026-06-18T22:04:13Z","spotify_id":"4syWqK48d2Tc9tSf77WUlr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bace2ead67bcb9f4dc802723e6ecce465ab7891c98d2c601a7ede03dafbf924. 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/4syWqK48d2Tc9tSf77WUlr.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/4syWqK48d2Tc9tSf77WUlr.
{"copyright_id":"0x773744cfb4b1febf97e85f7ff465f21cfb5756dda6b57a0a75b309ec52bbacaf","isrc":"USFI87300378","name":"After Midnight","registered_at":"2026-06-04T11:47:56Z","spotify_id":"6CMcrb7oQalm6lCfa1S1WR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x773744cfb4b1febf97e85f7ff465f21cfb5756dda6b57a0a75b309ec52bbacaf. 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/6CMcrb7oQalm6lCfa1S1WR.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/6CMcrb7oQalm6lCfa1S1WR.
{"copyright_id":"0x608a473ed7e9e1e6a8acbc0cabe0b152b8ddf67d388092912c38922e27fe0ceb","isrc":"USFI87200313","name":"Welcome To The Basement","registered_at":"2026-06-09T12:30:40Z","spotify_id":"66Gc4BzSYfKjGjli79wVI6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x608a473ed7e9e1e6a8acbc0cabe0b152b8ddf67d388092912c38922e27fe0ceb. 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/66Gc4BzSYfKjGjli79wVI6.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/66Gc4BzSYfKjGjli79wVI6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03c11d4c77b464d6260d3457a1278dcaf6cd43e3f39405cd3921a75b02d1715b. 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/3q47BdehkV4QPM4QHYc99d.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/3q47BdehkV4QPM4QHYc99d.
{"copyright_id":"0x6e00027b9c55cad2a146c1da06c4e6c068117facb87abb067ab1772f63ceb34b","isrc":"USFI80600031","name":"I Second That Emotion - Live","registered_at":"2026-06-07T03:43:43Z","spotify_id":"5Oqcu1FTfasc1RjSsG1tfL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e00027b9c55cad2a146c1da06c4e6c068117facb87abb067ab1772f63ceb34b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Oqcu1FTfasc1RjSsG1tfL.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/5Oqcu1FTfasc1RjSsG1tfL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25a217d158714ae06034b61d3892897a778ca8c276240e0ce41e22f3074fbb0c. 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/0o6QyL0ne5CNTwshZvaozL.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/0o6QyL0ne5CNTwshZvaozL.
Well Matched: The Best Of Merl Saunders & Jerry Garcia
Keystone Companions: The Complete 1973 Fantasy Recordings
{"copyright_id":"0x621047170354b4bc96b9a84034f89a69d6a9f927fdbfb5dcd3efb7f71a225aa9","isrc":"USC4R1201171","name":"Hi-Heel Sneakers","registered_at":"2026-06-09T13:27:53Z","spotify_id":"3PRR95GJ1wKLgpGIODKGcs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x621047170354b4bc96b9a84034f89a69d6a9f927fdbfb5dcd3efb7f71a225aa9. 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/3PRR95GJ1wKLgpGIODKGcs.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/3PRR95GJ1wKLgpGIODKGcs.
Someday Baby - Previously Unreleased Take
{"copyright_id":"0xfff542a389778e5d1702b5ad478a7dc561186bd955ae45b76f15dad18d79fe82","isrc":"USC4R1201191","name":"Someday Baby - Previously Unreleased Take","registered_at":"2026-06-28T01:59:43Z","spotify_id":"7vlYMxMghD5eNnwl2zNR5u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff542a389778e5d1702b5ad478a7dc561186bd955ae45b76f15dad18d79fe82. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7vlYMxMghD5eNnwl2zNR5u.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/7vlYMxMghD5eNnwl2zNR5u.
{"copyright_id":"0x64dcd6802ba2028cf148115bfbe366de1e42192cc8141f0a2c52f069b108cbaf","isrc":"USC4R1201184","name":"It Takes A Lot To Laugh, It Takes A Train To Cry","registered_at":"2026-06-22T16:05:15Z","spotify_id":"3x6DgZAZz1EsBbu6xkoUuG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64dcd6802ba2028cf148115bfbe366de1e42192cc8141f0a2c52f069b108cbaf. 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/3x6DgZAZz1EsBbu6xkoUuG.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/3x6DgZAZz1EsBbu6xkoUuG.
{"copyright_id":"0x4eb41e94e813fbe56c2b9c3b242d947766148f5576406aae26d21534a92abffb","isrc":"USC4R1201178","name":"I Second That Emotion","registered_at":"2026-06-11T01:10:11Z","spotify_id":"75uAiFOlnoaLzcwAtkVgvL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eb41e94e813fbe56c2b9c3b242d947766148f5576406aae26d21534a92abffb. 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/75uAiFOlnoaLzcwAtkVgvL.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/75uAiFOlnoaLzcwAtkVgvL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf23d7f55b32be87ffd6c402a557450affd8c16597959e763dd11a1aba1a95a9f. 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/1NOPJynkJ5gNc00ZcEqjfK.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/1NOPJynkJ5gNc00ZcEqjfK.
Merl's Tune - Previously Unreleased Take
{"copyright_id":"0xba12e69f97ed67de91223df3849e4400d45d18ba75d5a3c975fb5a580e3264a2","isrc":"USC4R1201172","name":"Keepers - Previously Unreleased Take","registered_at":"2026-06-07T10:55:35Z","spotify_id":"63dKIIq5thNMh3j5IaQP06","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba12e69f97ed67de91223df3849e4400d45d18ba75d5a3c975fb5a580e3264a2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/63dKIIq5thNMh3j5IaQP06.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/63dKIIq5thNMh3j5IaQP06.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf82448df22060aa24ae399043584c3e8e7de2045631a5fbda4dd790a3ff78193. 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/1If549TLUAmtY8baNEZ0M1.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/1If549TLUAmtY8baNEZ0M1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4403f5a572f128fc9f86ea6a17761641a07a209959d51135abd2b70971cc913c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/30uXfsYeG88X3xGOXAHcV0.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/30uXfsYeG88X3xGOXAHcV0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x227a82f498f6da9e3744195931e7efba520f4964c5e7cbab7de283f26411f040. 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/3ElRO1x7MmuyvnpargUU9P.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/3ElRO1x7MmuyvnpargUU9P.
{"copyright_id":"0x4a3fa8c1cac8a1b508e6136c2ecdf84896e56dfae54d077679bab4fdc8a8c0ee","isrc":"USC4R1201193","name":"Like A Road Leading Home","registered_at":"2026-06-24T03:52:13Z","spotify_id":"0qyKVW7p8uzwv7s8mY4oQd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a3fa8c1cac8a1b508e6136c2ecdf84896e56dfae54d077679bab4fdc8a8c0ee. 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/0qyKVW7p8uzwv7s8mY4oQd.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/0qyKVW7p8uzwv7s8mY4oQd.
{"copyright_id":"0x21216e7edb3fdf3a21a61ba9c4efbddf84b56ead78e4ad93bd46b16ba792b425","isrc":"USC4R1201186","name":"One Kind Favor","registered_at":"2026-06-10T12:02:15Z","spotify_id":"1x1u2IuaS35APfg3tD1HDl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21216e7edb3fdf3a21a61ba9c4efbddf84b56ead78e4ad93bd46b16ba792b425. 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/1x1u2IuaS35APfg3tD1HDl.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/1x1u2IuaS35APfg3tD1HDl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b1f1d22521631e3d4f9e33bc315bb7b6328346a11301b39b963fc2ea1d0366. 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/4Koru7tV1R2UGeE6JiscjM.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/4Koru7tV1R2UGeE6JiscjM.
It Takes A Lot To Laugh, It Takes A Train To Cry - Previously Unreleased Take
{"copyright_id":"0x719ea81547730e299f2799f280cd72381d09f0627d36b59d5b1b6ebaf64d44b1","isrc":"USC4R1201174","name":"It Takes A Lot To Laugh, It Takes A Train To Cry - Previously Unreleased Take","registered_at":"2026-06-09T02:31:27Z","spotify_id":"2Vk0MCMIisFm9qxh1gbR9P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x719ea81547730e299f2799f280cd72381d09f0627d36b59d5b1b6ebaf64d44b1. 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/2Vk0MCMIisFm9qxh1gbR9P.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/2Vk0MCMIisFm9qxh1gbR9P.
{"copyright_id":"0x2a62e64c9ffdcef17c08433bc76b6a2dfc47200d26397364384267c45b47b79d","isrc":"USC4R1201194","name":"How Sweet It Is (To Be Loved By You)","registered_at":"2026-06-26T11:09:48Z","spotify_id":"3fpLNJUSfrMCbmFmgSDIAQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a62e64c9ffdcef17c08433bc76b6a2dfc47200d26397364384267c45b47b79d. 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/3fpLNJUSfrMCbmFmgSDIAQ.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/3fpLNJUSfrMCbmFmgSDIAQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94ce25c09d08e8a59485f41fefcef885a9c624e114c0e240fa4f22096450d409. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:41:13Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5BWTf2bFKQo5tYXlxJwsjw.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/5BWTf2bFKQo5tYXlxJwsjw.
The Harder They Come - Previously Unreleased Take
{"copyright_id":"0xaf40adfd2de720bf13e129a40345537f1e0d9b90e4b5b0d4a92aa8eefd0130bf","isrc":"USC4R1201188","name":"The Harder They Come - Previously Unreleased Take","registered_at":"2026-06-25T04:31:07Z","spotify_id":"2qwlYHCGFBws5UMmdivIHR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf40adfd2de720bf13e129a40345537f1e0d9b90e4b5b0d4a92aa8eefd0130bf. 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/2qwlYHCGFBws5UMmdivIHR.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/2qwlYHCGFBws5UMmdivIHR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8706372050187bc9d1d61e4790e8326db50390e5b0f434642ff0bb60bbc4ee39. 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/3I3t5aIBIbIaHeLvLbflxa.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/3I3t5aIBIbIaHeLvLbflxa.
{"copyright_id":"0x7bc34ac722edb7aa3b6890909e13b3c95933ab1a93b2d400f691ba19ba98feb0","isrc":"USC4R1201175","name":"It's Too Late (She's Gone)","registered_at":"2026-06-19T21:39:57Z","spotify_id":"5DuqYGS71z5GdbB8GujjRk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bc34ac722edb7aa3b6890909e13b3c95933ab1a93b2d400f691ba19ba98feb0. 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/5DuqYGS71z5GdbB8GujjRk.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/5DuqYGS71z5GdbB8GujjRk.
My Funny Valentine - Previously Unreleased Take
{"copyright_id":"0x6abb5a70bf94ad0843351317d1ae102a67eb437921661efa38e45f5325900d38","isrc":"USC4R1201176","name":"My Funny Valentine - Previously Unreleased Take","registered_at":"2026-06-21T15:42:06Z","spotify_id":"4VkaS6S9gFRPKfoFTXNGWk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6abb5a70bf94ad0843351317d1ae102a67eb437921661efa38e45f5325900d38. 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/4VkaS6S9gFRPKfoFTXNGWk.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/4VkaS6S9gFRPKfoFTXNGWk.
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How Sweet It Is (To Be Loved By You) - Previously Unreleased Take
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GarciaLive Volume Six: July 5th, 1973 Lion's Share