Chapa C is a Cuban reggaeton group led by Maikel Romera Alonso known by his stage name D.J. Sam. Initially the group was formed by Maikel Romera Alonso (D.J. Sam), Idilio Márquez Amores (Rhagga), Norg
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 0xda3340a47b7090007fddb3deecc891b90390b5ea9073a6b393e556459d74a77d. 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/05bbca8a-c2d4-44cd-81d5-cc2185be7f06.json and https://artists.proofprofile.net/proofs/artist/05bbca8a-c2d4-44cd-81d5-cc2185be7f06.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 0x9b7126be0508f08921daf53f511546608b2c8543d83bb14b6308e2529853e8e7. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/USHM21283394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0c7820722d1687cf5311138d693ffb2ca444801eaa890b10e0e51f8fd00cee2. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USCGJ1992407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fbbd3b168c9c8e2d925d3849e06fcac4ac4ea1d00f02c17c8995710c82512eb. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T18:14:56Z), 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/ARG990900198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bbd616afcd82cc26de0f50fc22fea234f5c662bc2d5801ab0fa85bf952e18c1. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/ARG990900199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70993871789b6b77c69241adceba7ef507802b09bd8258f6924f47be3546ed64. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USHM21283378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x384dc6b54d7c817851d8436b2acb000c5459cfcd4a1a356d2b44d5d3b8ad7993. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/USCGJ1994023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cc5f9907261e8c633758bee43ee6ffc1baff8886f05d8a5b2f8c0b7f37f8018. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/ARG991000174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x737810e5d34ff8d250de0d549336b477695d0b91b9c8cebb891e50ab70c73a39. 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/ARG991000177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f2485fce4d9bea997d34677e9b3d7fdd09b20ec5e23dd3ec6fd0a9e92e85a4. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:22:42Z), 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/USCGH1270986.
Me Tienes Loco (Remix) (feat. Freddy Sky & Shako El Sh)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x031ea4b1a74eec84e4bd6f890f8497aa3633723fced09fba39bdbb9692c6f45f. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/USCGH1270987.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8fbb066e6c74f4bf6c22fb122381527f53afcd5f0469e7412dbb2218dd4dda9. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/USHM21283383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x915514e506c9924a6a74466e4d461478944be2a59fdcb59510586aba178541a8. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/USHM21283384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f96233630d398bccb1c3edbadeee15bf83e1af1a8bbca0010d5e64ee0948ada. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/USCGJ1315537.
No Puedes (Reggaeton Mix) [feat. Mec & Mery G]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5380d694173517e74acf3224f6737e77c7f5ae8ba5460d2918b397e4462fab13. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/USCGJ1315538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa72e9cc1777c39c74fb08a4b164be333fc11bdda778285a87a8ea82560145666. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/USCGJ1315542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66301a36a2545b4d006d26b10cfe0811cb0ee78075eb146f1e2a19ff71321526. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USHM81335071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd29d5e02271a95713cf873efc15431ebcb2fe791632ca48c78c5a77b3df756bd. 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/USHM81390863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7072d42f9772746277c7224750cf94fd651e0e83c2222f6e2d5c4f1c401db3ea. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/ARG991016694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd29d5e02271a95713cf873efc15431ebcb2fe791632ca48c78c5a77b3df756bd. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/USHM81390863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf725e1755b5a3688e702210af6ddfbed07284d6067a97ee029f93c6ecda2ed7. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1514444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d0a54f93de2babf9d452310e924dfbdef34f3e574d3d4f7f4783e21cc1e45e. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T23:11:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM81401918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69e5ed91237bacf0189b6d0593e39bb99726e3954d167ba6f5eeb08299e49e56. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q1807827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8b577b1ab1dcc102c4d725636dc6104ebc93e22ddc6114853d018ec4ef39312. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/USL4Q1807829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72e6d49b022b31c67a03ceaf93abc29b9e9c6d9f4e9c94aaae7a5d27b2b864a2. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/USCGJ1680203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd91e4108ef1453366a0d15e26a1033d86ac37e2912948ee98bdd60717e6338ae. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41834207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x764789065ac9148c2c185f21502710fdcbeec4ba7fd926056e5042eee12fc985. 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/USHM91882726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd91e4108ef1453366a0d15e26a1033d86ac37e2912948ee98bdd60717e6338ae. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/USDY41834207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bfc939cb34d909b8f16ac053a6599268db15ddfa7ca9177bba313bd4f340a3b. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/USDY41891506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72e6d49b022b31c67a03ceaf93abc29b9e9c6d9f4e9c94aaae7a5d27b2b864a2. 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/USCGJ1680203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x972b0a7fef361eda5f74b2ab09819b93ed09f3b1366f8efbae14c3c302261455. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T08:24:25Z), 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/USCGJ1764398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5eadd62369d47c2962a667cea54770bd30076b202681d437ef0b34e501a9244. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/USCGJ1548271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x088123377ed22c82fa097d49d86f1b9817142ba7debc1ed7ec663d98dae11b88. Chain 2 (Bitcoin): anchored in block 957834 (2026-07-13T09:42:16Z), 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/USHM81986664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf1fcf206acbf492a562a0929b812ec4ed4d861c2e83c3a1627a45681badd8a8. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/USHM22017274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f2d0a1a890759f97704adbae63b2d90c2ab4b0afc7d39641a3a81f35938a57b. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/USHM82179815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25efed70d1369383f0b17e7a78c10195482289eed58b97cde6835c96443bfe9a. Chain 2 (Bitcoin): anchored in block 958376 (2026-07-17T06:41:00Z), 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/USL4Q2265824.
Un poquito de' to (Salsa - Merengue - Bachata & Reggaeton)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c10baa7ecc87de941227201dc4b6509998d0f08a448e3ca2911ca4b5fceb743. 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/ARG991009662.
Un poquito de' to Vol 2 - Salsa - Merengue - Bachata & Reggaeton
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8ef999ed74603fb29b075a53629a586876262c6aabd7037dca21562ac51e0f9. 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/ARG991009678.