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 0x7a55e1c6c4afef025ed5a2f034fa68a00c96e94680bc4f0e75743ffec0385e89. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/39fb4098-af1e-465c-9d6f-e79f88dfb4d7.json and https://artists.proofprofile.net/proofs/artist/39fb4098-af1e-465c-9d6f-e79f88dfb4d7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xdb7a4c99ed300cf011ac7d1449403891e6fd7afa405abf6a981fcb70e03d6a46","isrc":"DEZZ42149338","name":"Fumando Espero","registered_at":"2026-06-04T15:27:24Z","spotify_id":"67LvqUeKNdiFVoDLS2kZIz","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 0xdb7a4c99ed300cf011ac7d1449403891e6fd7afa405abf6a981fcb70e03d6a46. 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/67LvqUeKNdiFVoDLS2kZIz.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/67LvqUeKNdiFVoDLS2kZIz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9211cfb04e2ec5a227765816c256f9f1b18649b29af73608bd00ca9a626af9c5. 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/58r6rH5hTe2gBH9OX6woRc.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/58r6rH5hTe2gBH9OX6woRc.
{"copyright_id":"0xa140c7c0a2ac80db6661f7ffe2246fbc3cbe321e233bd2ada63b409b54bb7966","isrc":"DEZZ42149340","name":"La Cumparsita","registered_at":"2026-06-24T22:33:44Z","spotify_id":"1fRj6jgixJGVk8igBR2F3h","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa140c7c0a2ac80db6661f7ffe2246fbc3cbe321e233bd2ada63b409b54bb7966. 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/1fRj6jgixJGVk8igBR2F3h.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/1fRj6jgixJGVk8igBR2F3h.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6dac818441943f3426afa50864c53615fc5aed3d61f6cf0388b52e2bf7a1127. 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/1umStI995GPAdO5z7OMPBi.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/1umStI995GPAdO5z7OMPBi.
{"copyright_id":"0xaec700e6329a1f3dd518fc24c4012e6309edd3c6eb99feae8ca615c8954b5338","isrc":"DEZZ42149342","name":"Lágrimas De Sangre","registered_at":"2026-06-05T09:59:43Z","spotify_id":"7EYAB8Q5JnXqFTegwOhUEb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaec700e6329a1f3dd518fc24c4012e6309edd3c6eb99feae8ca615c8954b5338. 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/7EYAB8Q5JnXqFTegwOhUEb.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/7EYAB8Q5JnXqFTegwOhUEb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43740ac0c2019f3b6d826102b85a5e4107a1b950cc9d5e6429297164d990f90c. 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/57xvrlDWfqSSdQxgg0GZoD.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/57xvrlDWfqSSdQxgg0GZoD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8375098d20583804d2e03765c0c0d78a90225a59248940b0fff11ea4eada147. 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/2jI5cxAgwziwmErtSXSutt.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/2jI5cxAgwziwmErtSXSutt.
{"copyright_id":"0xe6ea34724129e486308df0e88ca40be161bf402f6b3bc37fa6bcafe44d757160","isrc":"DEZZ42149345","name":"Entre Tu Amor y Mi Amor","registered_at":"2026-06-06T19:42:23Z","spotify_id":"44yT9iOTlSQbA5cKogs6jb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6ea34724129e486308df0e88ca40be161bf402f6b3bc37fa6bcafe44d757160. 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/44yT9iOTlSQbA5cKogs6jb.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/44yT9iOTlSQbA5cKogs6jb.
{"copyright_id":"0xec8418a13e571b2f2f1edabfed94943cceeffbc30f28e14801232920380cf9b7","isrc":"DEZZ42149346","name":"Que Nadie Sepa Mi Sufrir","registered_at":"2026-06-11T19:47:53Z","spotify_id":"3FZ5xNJlccA0N5DuaVHZP1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec8418a13e571b2f2f1edabfed94943cceeffbc30f28e14801232920380cf9b7. 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/3FZ5xNJlccA0N5DuaVHZP1.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/3FZ5xNJlccA0N5DuaVHZP1.
{"copyright_id":"0x72664095faecbe1299b22c06e0b7c767707c9bb00a91ef2e71c5d4c19fa072cd","isrc":"DEZZ42149347","name":"Soñar Nada Mas","registered_at":"2026-06-20T12:51:27Z","spotify_id":"2vBwFokLxFa7gCb6Dd1uYj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72664095faecbe1299b22c06e0b7c767707c9bb00a91ef2e71c5d4c19fa072cd. 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/2vBwFokLxFa7gCb6Dd1uYj.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/2vBwFokLxFa7gCb6Dd1uYj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x650dae370589ec54ba5a443b2e16dade7c3f343a8b00b753f33f9f705cef675b. 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/4J2254gw8Pbji0qttvtw3X.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/4J2254gw8Pbji0qttvtw3X.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce3416b6d117aba629ab99b9d5ee6164779e94d573ccac0deb50cc4c9418300a. 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/55Oex2AKxWLtgnqn2Z0SXh.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/55Oex2AKxWLtgnqn2Z0SXh.
{"copyright_id":"0x9c0fdaed8d14c8d296077e95ce56b5c53bbadd8ea2a6f91ca854f9a0d34c2b37","isrc":"DEZZ42149350","name":"Mi Dolor","registered_at":"2026-06-08T14:49:20Z","spotify_id":"5HXFIL3EQ9R1M0Me1UsEJ3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c0fdaed8d14c8d296077e95ce56b5c53bbadd8ea2a6f91ca854f9a0d34c2b37. 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/5HXFIL3EQ9R1M0Me1UsEJ3.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/5HXFIL3EQ9R1M0Me1UsEJ3.
{"copyright_id":"0x9edd266df9342da7e00510ead7d35e621feeda4720161b72182b6f0ee99b3bcb","isrc":"DEZZ42149351","name":"Maldito Corazón","registered_at":"2026-06-24T22:33:50Z","spotify_id":"7IKkjLNri57Eamr6qdRYBu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9edd266df9342da7e00510ead7d35e621feeda4720161b72182b6f0ee99b3bcb. 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/7IKkjLNri57Eamr6qdRYBu.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/7IKkjLNri57Eamr6qdRYBu.
{"copyright_id":"0xe03de7aecae6efc77b5f6698f0f8b5ab8292cc445a3717fb1cb7683c4a151afe","isrc":"DEZZ42149352","name":"Quien Tiene Tu Amor","registered_at":"2026-06-07T15:42:41Z","spotify_id":"0bbTenSbuzzUBeLOs8KXic","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe03de7aecae6efc77b5f6698f0f8b5ab8292cc445a3717fb1cb7683c4a151afe. 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/0bbTenSbuzzUBeLOs8KXic.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/0bbTenSbuzzUBeLOs8KXic.
{"copyright_id":"0x353dde7d8ffc80c9ef14ce36052a87d3f6064c099795b932bc2588ec16a5f521","isrc":"DEZZ42149356","name":"No Culpes al Amor","registered_at":"2026-06-21T10:47:21Z","spotify_id":"0tzU6RLtoBdNaWnCZbcqc5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x353dde7d8ffc80c9ef14ce36052a87d3f6064c099795b932bc2588ec16a5f521. 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/0tzU6RLtoBdNaWnCZbcqc5.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/0tzU6RLtoBdNaWnCZbcqc5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7229b69ceb5125295dc2fe8610b23a5305886d848c478c3d92e1863d6c12fcd8. 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/1Vj2KVvkMxFjmxSsWUdVXx.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/1Vj2KVvkMxFjmxSsWUdVXx.
{"copyright_id":"0x5d5bf5e100ba94ac39e8fe3fbd8dbec29bb91b87f3b2b74ff9f3f3fce66a86ee","isrc":"DEZZ42149358","name":"Tus Besos Fueron Míos","registered_at":"2026-06-10T21:45:24Z","spotify_id":"4O8boftCUqUXXyiQl2jeWa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d5bf5e100ba94ac39e8fe3fbd8dbec29bb91b87f3b2b74ff9f3f3fce66a86ee. 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/4O8boftCUqUXXyiQl2jeWa.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/4O8boftCUqUXXyiQl2jeWa.
{"copyright_id":"0xfe60a6d4d5f8e983a1814292b38e4623b1775b9bb63f9ccb447a0073f466ab36","isrc":"DEZZ42149359","name":"Cuando Llora La Milonga","registered_at":"2026-06-27T17:07:04Z","spotify_id":"4OXzquOlM7qNvWnuRNYJIx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe60a6d4d5f8e983a1814292b38e4623b1775b9bb63f9ccb447a0073f466ab36. 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/4OXzquOlM7qNvWnuRNYJIx.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/4OXzquOlM7qNvWnuRNYJIx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08fd388665255990289d9e4adb0620976c98c9100d1a4c26f822c2801e7ffd70. 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/1DU7WC0PYn6KmDKflImSRt.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/1DU7WC0PYn6KmDKflImSRt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97f365a51134852f3412f404bdf530fe941bb1fec8952a1192f41b420d415751. 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/52EJjPfVjDFGnUnRyO8mw3.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/52EJjPfVjDFGnUnRyO8mw3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ad49740886ad5c4205390b39695827d14e65f3098cc308a0cf42041cd81a0b9. 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/6zryKFdVehFNkAr64n5SSr.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/6zryKFdVehFNkAr64n5SSr.
{"copyright_id":"0xed38b9a28705dbaf2a319bc013ca0cd2fa80df95e7b87dce7a42c6922592ce14","isrc":"DEZZ42149367","name":"Por Qué Me Das Dique","registered_at":"2026-06-21T10:53:31Z","spotify_id":"4damm5jfYXfCY2k2ZcYRHR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed38b9a28705dbaf2a319bc013ca0cd2fa80df95e7b87dce7a42c6922592ce14. 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/4damm5jfYXfCY2k2ZcYRHR.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/4damm5jfYXfCY2k2ZcYRHR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99d15b075429a53e6ef1414744ab9fc1dd982f6efab526908b96d04e129fede9. 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/4FCJsTH7f10IdDaH6Pl5FV.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/4FCJsTH7f10IdDaH6Pl5FV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb347d60b3cc7622d3307b1033aa535368ac041980257eb120c09112af30739a. 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/1rUV4hUqg6QwfgtknpfkzL.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/1rUV4hUqg6QwfgtknpfkzL.
{"copyright_id":"0x8546b9f71a5bbdfb29e10add298dcaa0d7baa3e16b4d4df993c12b15c98318a5","isrc":"DEZZ42149370","name":"Y Todavía Te Quiero","registered_at":"2026-06-07T22:27:04Z","spotify_id":"6EflgENZIEFiZpRYaANuEM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8546b9f71a5bbdfb29e10add298dcaa0d7baa3e16b4d4df993c12b15c98318a5. 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/6EflgENZIEFiZpRYaANuEM.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/6EflgENZIEFiZpRYaANuEM.
{"copyright_id":"0x9059c3cdc77bfc8a5577c61fe8dd68f92bd319e89100229d7c56948d946dbd22","isrc":"DEZZ42149371","name":"Muriéndome De Amor","registered_at":"2026-06-22T10:18:10Z","spotify_id":"4NaeUDkBfqG0xzkY1nnSTc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9059c3cdc77bfc8a5577c61fe8dd68f92bd319e89100229d7c56948d946dbd22. 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/4NaeUDkBfqG0xzkY1nnSTc.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/4NaeUDkBfqG0xzkY1nnSTc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd67c790a303ce9a504640f076994a7b4fabe64ce63c8466c246a6a7047621184. 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/1TXoeF5YsYh2CTZAf6rYXB.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/1TXoeF5YsYh2CTZAf6rYXB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b6870efd2b2bd059b2bc9f04b6d9d270d196398bc8d29913c341e584301f3bf. 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/4lf4tyxAVmfX2wWTtEvdQx.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/4lf4tyxAVmfX2wWTtEvdQx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49fbad082780e421d0b9e43e7bc94ad47e7599191042c8062cab678a37b92c1e. 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/3zyU7A9WmwPfd7Hb5JBbt9.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/3zyU7A9WmwPfd7Hb5JBbt9.
{"copyright_id":"0x25f9374b6c58c8de977a5451ff24a84f043297cfccc520a374bdb0de3384702e","isrc":"DEZZ42149379","name":"Si Nos Queremos Todavía","registered_at":"2026-06-27T17:07:43Z","spotify_id":"60HMF4meNOvArAJewWZJGa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25f9374b6c58c8de977a5451ff24a84f043297cfccc520a374bdb0de3384702e. 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/60HMF4meNOvArAJewWZJGa.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/60HMF4meNOvArAJewWZJGa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf12196b5b2afc7ea66e598ec9ae45550ebd2d10465ab895c2c49c0dd806115c6. 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/3qZFrx7aB9lh3mERUAALAu.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/3qZFrx7aB9lh3mERUAALAu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda212573e4f1536effb462c84d2bb5d6dd2cb9061c54524573f1156531d75f7b. 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/5lzsEqjmu72I9NsdRQl964.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/5lzsEqjmu72I9NsdRQl964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x516155e0aa567180c0852d161790bd32c191bb8470223f52839ee60f13bc9cca. 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/6Bryi9oUs6hcOEre7NtX3U.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/6Bryi9oUs6hcOEre7NtX3U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa902501253026e0ec80563ac43c9b2b81ecaeffdaa81624827edfbbe72b31d2. 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/5BPhVkHioY3yezC05rlAEX.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/5BPhVkHioY3yezC05rlAEX.
Alfredo De Angelis Y Su Gran Orquesta En El 80
{"copyright_id":"0x40344c19d868e71eec2f1d0850f08fddf8c47153718dea5edc9f94e9166fab42","isrc":"ARF049600189","name":"La Cumparsita","registered_at":"2026-06-21T13:33:25Z","spotify_id":"1RvEZeuBoHzsxgIdmtl6kT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40344c19d868e71eec2f1d0850f08fddf8c47153718dea5edc9f94e9166fab42. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1RvEZeuBoHzsxgIdmtl6kT.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/1RvEZeuBoHzsxgIdmtl6kT.
{"copyright_id":"0x735b5d9a218388ad654a5dd70c4ad1e34e660fb04a50ee8e927a7fcfeb08f82c","isrc":"ARF049500765","name":"Muñeca Brava","registered_at":"2026-06-09T21:00:36Z","spotify_id":"17Wp4bvxnqAIq4reEwa6lm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x735b5d9a218388ad654a5dd70c4ad1e34e660fb04a50ee8e927a7fcfeb08f82c. 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/17Wp4bvxnqAIq4reEwa6lm.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/17Wp4bvxnqAIq4reEwa6lm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c046a379d5dc1816a44fdbf45f2ce95081530c418337a38201e7b6b547296af. 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/78NUqEMbpMLoA3QUlZIOhS.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/78NUqEMbpMLoA3QUlZIOhS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0c3fb13fd75a0b338366c15b35d5b0a03a848191d04fc063c00dc234f02ae9a. 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/0qkpq05eeIl0TQ4qQbO5qm.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/0qkpq05eeIl0TQ4qQbO5qm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0145907411b419c4713741c27a227d5fb7f00e44a8fff7f874e1d05183d87748. 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/6MCzBXIzLMSletQRpSVXka.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/6MCzBXIzLMSletQRpSVXka.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d32867688e80cb898b9584e0352d39ef8d5a8c94f0c351ff600c4925dd84421. 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/2cNYgs4KF95mpMDzENAUKo.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/2cNYgs4KF95mpMDzENAUKo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc015b3735b3b56650c54cb2df802a0a3db116a88b3da322c8ef23dbe2c5d174. 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/2XM96w1dKD27s75zz8B0zB.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/2XM96w1dKD27s75zz8B0zB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd4e15676d1f71c778d2dcb06fa1f6e7069ac9f3713a14c73102609ba24690f9. 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/7gg9VsiLFyou4uuCxPLwdC.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/7gg9VsiLFyou4uuCxPLwdC.
Grandes del Tango - Alfredo de Ángelis, Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6231fbcf2ecc907306638ca0704b2bbe37a122189e64f50e9014fbb023514c35. 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/5GrJfD0eWfO3xxbo3Hal5P.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/5GrJfD0eWfO3xxbo3Hal5P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa66757edef97918915ca9eb61e291400954900cb413acd88272c01c2a41deefd. 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/6vZG9Q7l6f0QXwydQbyEb5.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/6vZG9Q7l6f0QXwydQbyEb5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40344c19d868e71eec2f1d0850f08fddf8c47153718dea5edc9f94e9166fab42. 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/2UXz7Bs5OdAq9cuVZ2cvgF.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/2UXz7Bs5OdAq9cuVZ2cvgF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87c8e3c40c35a9c58cc7af72404c5cc04f24e436ebcfe3e9a77b622d033f6e87. 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/49lkVFcMRYAPzedMurU5VC.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/49lkVFcMRYAPzedMurU5VC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x418082fd3a9dcca56f0f6cb925bd4a272511b4b23ee8598b21883ef8fa19e3af. 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/2pjTxJh5h3TTSlobSNo0Qu.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/2pjTxJh5h3TTSlobSNo0Qu.
{"copyright_id":"0x16bf9626c4c4a1f99ed83ed92cbbf7a94d053890caacc20b7c1dc4aff2b31af2","isrc":"ARF049400049","name":"Pobre Flor","registered_at":"2026-06-05T23:46:42Z","spotify_id":"0H9AR0s8zfGzOjEaXZkpgS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16bf9626c4c4a1f99ed83ed92cbbf7a94d053890caacc20b7c1dc4aff2b31af2. 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/0H9AR0s8zfGzOjEaXZkpgS.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/0H9AR0s8zfGzOjEaXZkpgS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b740e7e3b240cbab136ccc3041e6610a43ee029061e8b10c09e4917ebdf824. 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/1rc0O9FmSG1AANF8L9vRqR.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/1rc0O9FmSG1AANF8L9vRqR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a050421c4f632f41005542a655864565b0feea5df71e406a11c871970c8a78e. 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/5zrpx0xZRAyYaQJsDjB0wQ.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/5zrpx0xZRAyYaQJsDjB0wQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e55e34929343457b13497ddaaa97cf90ea1c3ca5b8cea8f8ad3a84be19dc20. 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/7oKzDttibpwpRvxTQ2i9jY.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/7oKzDttibpwpRvxTQ2i9jY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaf033e7e7892a297074dc99af8dbff4577dab8187a51088857511becbc88823. 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/4g8hz8LjzWfbL9XwSPLxu1.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/4g8hz8LjzWfbL9XwSPLxu1.
{"copyright_id":"0x333001cbff2ac2041191cfc075ae7504731b931c97285a8abbde8fe53c4924ff","isrc":"USV351383064","name":"Medallita de la Suerte","registered_at":"2026-06-21T10:46:31Z","spotify_id":"6l2nmdxrj6qLrdgibrufxp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x333001cbff2ac2041191cfc075ae7504731b931c97285a8abbde8fe53c4924ff. 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/6l2nmdxrj6qLrdgibrufxp.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/6l2nmdxrj6qLrdgibrufxp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x350ac860a983e590761563a63bd46c80379f8b6bf6d3b7c5a059c6a174637282. 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/5zqmXuGpcR7Ts7ZyeaKNga.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/5zqmXuGpcR7Ts7ZyeaKNga.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fbbcdde32f7fa2bbaae5b48cf839da996abf37e4a49aaa3322dbe8307e364f0. 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/4SE0vbc856Rrczl0Nh9dFo.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/4SE0vbc856Rrczl0Nh9dFo.
{"copyright_id":"0x6862bedde3de41b9c02e3411042bff6db1a62b2c20ddac1925f675f32357839b","isrc":"USV351383067","name":"Volvamos a Empezar","registered_at":"2026-06-24T22:34:00Z","spotify_id":"70wWlZJCKsLnTi5KbA9TqP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6862bedde3de41b9c02e3411042bff6db1a62b2c20ddac1925f675f32357839b. 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/70wWlZJCKsLnTi5KbA9TqP.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/70wWlZJCKsLnTi5KbA9TqP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f709e36259889cb6f0141b069c221ada52854726939d7204681050a2a236cd. 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/5Igt8MBVmgVm5qAnUSjG3N.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/5Igt8MBVmgVm5qAnUSjG3N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc84520eab8c4c36c37dddb3243de7a008a9e17840fc3f1ad11d8e9847c357636. 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/6E8Mzh333GyZnEC2NHsrtf.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/6E8Mzh333GyZnEC2NHsrtf.
Selección de Tangos de Discépolo: Victoria / Que Vachaché / Confesión / Esta Noche Me Emborracho
Tango Classics 062: Como nos cambia la vida
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ce1ee5824e3a050550c158961a4554971de3c382e32d7364cb96101689f91c7. 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/7tRXP1EvuonvYhzriGbagI.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/7tRXP1EvuonvYhzriGbagI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18888b39e2f53feb75e55a6a993e298de41b54c22a9c1f1db1e6f4d61a079cdd. 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/4TVyhHjYWr2dbWKOe9Y6gn.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/4TVyhHjYWr2dbWKOe9Y6gn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b0e8f3ba0c716efe99916e60c6dae954d9a63a2dd2ce87e54fef4fc823995bb. 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/2BmxmTyZgGgla8UFlAznMB.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/2BmxmTyZgGgla8UFlAznMB.
Popurri de Discepolo: Victoria / Que Vachache / Confesión / Cambalache / Esta Noche Me Emborracho
Cuatro Líneas para el Cielo - Remastered
¿Por Qué Doblan las Campanas? - Remastered
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf591d40102370b2f0b3513d87b38737b6af9a9b78eff2d174009137e38cad578. 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/4qwjJW44vZnPRUoAYrsQD8.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/4qwjJW44vZnPRUoAYrsQD8.
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Alfredo de Angelis vs. Osvaldo Fresedo, Tango
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Popurri de Discepolo Victoria Que Vachache Confesión Cambalache Esta Noche Me Emborracho
Buenos Aires de Ayer-Milonga (Remasterizada)
El Mayoral del Tranvía-Milonga (Remasterizada)
La Flauta de Bartolo-Milonga (Remasterizada)
Miguelito el Arriero-Tango (Remasterizada)
Milonga del Pasado-Milonga (Remasterizada)
Cuatro Líneas Para El Cielo (Remasterizada)
Oro Muerto (Jirón Porteño) (Remasterizada)
Para Qué Te Quiero Tanto (Remasterizada)
Qué Lindo Es Enamorarse (Qué Lindo Es Estar Metido) (Remasterizada)
Seleccion De Tangos (De Discépolo) (Remasterizada)
Va Llegando Gente Al Baile (Remasterizada)
Ya Sé Que Siguen Hablando (Remasterizada)
Antología: La Colección Definitiva (Remastered)
Qué Lindo Es Enamorarse (Qué Lindo Es Estar Metido) - Remastered
Presentacion Hotel Carrera (Remastered 2025)
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Argentina!: Tango Legends from Gardel to Piazzolla
The Roots of Tango - Jewels Of The 40's, Vol.3
Vintage Argentine Tangos (1928 - 1954), Vol. 2
Greatest Tangos Y Valses From Argentina To The World
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