Miguelito Valdés (September 6, 1912 – November 9, 1978), also known as Mr. Babalú, was a renowned Cuban singer. His performances were characterized by a strong voice and a particular sense of cubanism
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f5d39f17948c718ab1cc852b35af217b43491becc2a850a860d17e1262fd8e7. 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/bf77d177-2d2a-4344-affe-619dd7352ac0.json and https://artists.proofprofile.net/proofs/artist/bf77d177-2d2a-4344-affe-619dd7352ac0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dd6c98aca57092e07575eff51b399543e998ab0f8ec948d8a52a1768f59c761. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72119188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9327ce0d1a070821bd3af36ec03ba6462b6c36651856fac1cb2f28cb121fea41. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72119190.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Vintage Cuba Nº 66 - EPs Collectors, "Piropo"
Vintage Cuba Nº 48 - EPs Collectors "Villa Rosa"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcf666721fdd20c59e9516666b05a7742b88e0b7a1292980f19c71e9c4d0faaa. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0602060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08ad42b8145a05e3723435ed59de374e60af4bdd5758fe8e3b680125f9bbf3a2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0602148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe61f7d6307af7daedf29aba9b33692494128b2f75c50b67893067900da91e3e8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0601645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78f8c639a31bfe7ee34a782cecd2934fef72290e4fdd998a31ccbfeebe98d98e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0608180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2363b342f46ec06151dcb8b2d6166e3061d3453292cc11bdd49545335d896b2. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0606316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x345ff38d32d733f961d6bd4a5c3f545030dcd6f8fe33985fd2aa302e911f1d9b. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0603296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01fc1926859a89a84cc164be6bcb239d47abec2593a917241b3790e500930e0a. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0605400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aae3e4f56dd7c2c1051c12560b61a5d1c20da18320d4b204f5a5c9e7830ac2c. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0606554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe8732510fe7d28641a5475a7d7da42f74bda5590ec2faf9a6b23662b2f7b002. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA031309100.
Musical Moments to Remember: Miguelito Valdés – Mr. Babalú Plays Mambo & Rumba
El Son Cubano de Mr. Babalú (Remastered)
Rumba Ritmica - Miguelito Valdes and the Noro Morales Ochestra
Miguelito Valdes y Machito. Los Reyes Del Ritmo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47c3b43353a1abcba75082e6df2856e721c06e7e962f3dfcfdf7d3fb8333bd5d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL66V2394362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa09021cb4f5c21e323893ed8ec1d473408386f0909f4258732dbd8111f66586d. Chain 2 (Bitcoin): anchored in block 957034 (2026-07-07T11:52:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL66V2394364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x698359adf0a9fcfe16ea1c9ee0e78a43348448983faeca150ea11fb941fb1e53. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL66V2394366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89d56627b9b819bdc5b60ec7baa406bcdd369698e1ac6f546b861d042e07a38a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL66V2394368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6cdbe67bdffe112fd6156f49cbcfda8a84967777f38a0056b746826b9ba9ddb. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL66V2394361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4e33f2e219ceca030c722f18ec04b85e72ebb2cc7cf8cbf006202873beb2ed4. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL66V2394363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe611044079609b83663c158fc7089c5f286e3d5f9c2210e61180cfdcd70d8bec. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL66V2394365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x488b5a0263146896fbaa71470d6fa28e59d47c2e2886a30ef6315c91e62b3a07. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL66V2394367.
Eschucha Mi Son: La Edad De Oro De Miguelito Valdes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21bdec51778a9d0d268f8e5bca2c3cb6d1f401c1e36c5a84bf42a2b22660af17. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T11:05:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES58A2400271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb676b234f11c457d16ededb97aba21ebae0cd867e9f2f63217d760fb6ae883. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES58A2400273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4bc1e28739442a4c30bb16395106ea9b60c4b688547c48c771049b34c96a8df. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0991651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcff88fdcac62c27bf9357bec8dd8b4914d5a7946851d45f7b4d5639b617521ca. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0991652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae6c0a81d0f213b3cb655e6f6c3921ef15c736c61e526fa94f14bb96168c8dc2. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0991645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa10d8da32839d22b65fff6821c4973595792ef99edabeeca9872a9bbb76d07a4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US78T0504524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09fd8f3a356d4208d2c38005544a2fb6f0010a0d164d5940eae11aece84d76d1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0991649.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe237050f640386c4e5c952cdebb317578b10143cd740f4339180f3ab6d8b07ed. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0991648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0e9df780cc9455c9c38ba2e8ee163512856d8f914239660aab1f804f5cc60d4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0991650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3777fee20b3782154a2930d302df179e22ef66acd8b8335fa2fe45366491c5f7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0991646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9343fa07dfd53b092e9477d6840917c28d84f6de52e9ed4bdd67523c4322d709. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US78T0504530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc93dfe91a2dd224db29eaa479e9a63b6c79a156de0e3c61730b4674989ec5b77. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0991653.
Cuba Libre: El Corneta (¡El Más Selecto Cóctel Musical!)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7583af8e0e91d02a66d158dd207ce5b6e79180f7d4f685cabeb298b51d0318ba. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/COVM11610672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9ecae2afb3655e9deef6e938b8071bca651d04898364de7a5d646d7e43e7166. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDBB0991647.