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 0xdd9cb7f1359866a6181496a982b877f70a5fbd46c7248af9ad21a9a33b912cdf. 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/d80cd8f6-d716-42db-83b0-b4c223a12a1b.json and https://artists.proofprofile.net/proofs/artist/d80cd8f6-d716-42db-83b0-b4c223a12a1b.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 0x924c4d69e2f9ff29c9e94a77cbca6445f8c6dac81067666d0792b80a92ad23cb. 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/USXQS1407527.
A la Guerra Ya Me Llevan (feat. Little Joe & Ruben Ramos)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb289b7d3453652f83abdb334c4bd7c7d26e0c37f66068db48f6f534c432e582c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USXQS1407528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad8db7e3ebd901a99dc1de33ea319dafbea1f7684615831693cf013e4395f5a. 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/USXQS1407532.
Pa’ Que Me Sirve la Vida (feat. Little Joe, Lisa Lopez & Ruben Ramos)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c6c03c52fd2deced66d618f1fc33795ad930afa2cf46ae6d06271e5781c0a84. 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/USXQS1407533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7778d71199fde66779dac8afcef4ac6124650b949f342268846857695b90fb1. 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/USXQS1407544.
Gritenme Piedras del Campo (feat. Johnny Hernandez)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc98ff1cd6f5ac15bbd656ff040fc22b8b07c18444c295bee2b0be8a755d1ba3e. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/USXQS1407537.
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
Puros Tragos (feat. Roger Velasquez & Latin Breed)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cbcfaf59ddba1315b9c45016eb31f4b0e19087983c9bf9297fe9aa7fab94ca1. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/USXQS1407538.
Que Manera de Perder (feat. David Marez)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786ca94b867e357b29e97de872f1606d526ac9accac4dbcb06996c92fece7528. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/USXQS1407539.
Ni Por Todo el Dinero del Mundo (feat. Jose Carlos Almanza & Latin Breed)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29c2858384e581edf9ef3f5a025781824a6f5e5662ce9588763a3abf8c3a1f4c. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/USXQS1407542.
When Something Is Wrong With My Baby (feat. Elsa Garcia & Jose Carlos Almanza)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e9d3751c59bc119d3a141ba7f6c60a63e9a4dae068862c01eead56d26ec0dc. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/USXQS1407545.
Las Mananitas (feat. David Marez, Elsa Garcia, Jose Carlos Almanza, Roger Velasquez & Johnny Hernandez)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf65e1a21ca5508938869da47bcb64c76dadb1ebd48a3d367335f962200632f60. 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/USXQS1407546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11744826327db7fe590c1aa6a02a5b0c2d1d657907d94019485ddeb29d008bf8. 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/USXQS1407344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5e9745f4959468a5a6b4ca448c2be825854f610433db20770b2257c72f19bfc. 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/USXQS1407345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x463baf4b1f9b107533680345ebdd7c17b297be0dab3f86b98b1be686c6e24cc7. 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/USXQS1407346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7b738ae7db5fc8363fe0ee0c008fed075bacb2bd82536072acc6a109ba601e3. 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/USXQS1407347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2285539702308cbfacacf209aa2a866d241b688cd1b9271ae4dd1e9dc672e14a. 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/USXQS1407348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f089fea2ce1862b375c64bbefbefc5ea1e02ce09fbbad7b64859f7ae2c12a7e. 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/USXQS1407349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d6bdcf3a03b9e9aa0bbdc03dba7c7569ee0081ecacbb241e18e2588ae5fb783. 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/USXQS1407352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5a771084d9a2c6da2f562a222bb82f004415ad92f4934af9b5a8af27ff47ec4. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USXQS1407343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3620a9fb68975b72bf6ef56ed043f25dfffdbdcd014d3153b166b9e8701ea39. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USXQS1407351.
Select Trax Vol. II [Bob Gallarza Presents]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7098180c4283e75206c70e29f344ae66da5cd73135c7930079aa8046161f526. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/USXQS1205420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdba9bad0a58ef3e66a34a935aa5668514d50bde464a33b01c1151a1f6ad6a80b. 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/USXQS1616551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaca24ac06e9e5d5e32dde7231893f9710d5590074a85ee3531e4e89c5b6d918. 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/USXQS1616553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfefdcdf1f764e3c8fba0cbc8a6c33e32beec2f503b8fade8d71e611f2aa83f97. 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/USXQS1616558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3489bed82aac3f97654644f003f61e410ccfa101f793945b9d1e99322487ae39. 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/USXQS1616559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82bff61506992d8b18c1ed50e576f919081c114a3909d41e2a5c8c7091d31ccf. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/USXQS1616549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47c8c0eddba948b17128e8851d7d948f1791431d842c2ff8420766ecce22a15c. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/USXQS1616552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa75af25ad9e3c309cd56d384fb5dbb9291f9f919db323ee1b0c12928bdf512c3. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/USXQS1616560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb933f63edcdea484ba933765e84fcabc7043601dcbb085ab40d67309521155df. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USXQS1617034.
Never Ending Song of Love (feat. Ramiro “Ram” Herrera)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c03a36b2db9697f82932fdbe33acf637a88622e51edd10a802dba13c483083e. 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/USXQS1515345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46d6618c625b01d189ec180bdda1e9f6da679f53e9190430760363546fd07421. 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/USSD19300787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46d6618c625b01d189ec180bdda1e9f6da679f53e9190430760363546fd07421. 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/USSD19300787.
El Silencio de la Noche (feat. Ruben Ramos, Alphonso Ramos, George Rivas)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ec145c1b01878e2c51add73cbd0ba896a1c0880b195366687ff088592eb7e67. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/USXQS1515338.