Nathan Armand Pacheco is an American tenor singer and songwriter of Brazilian origin. He was a featured vocalist during the 2009 tour for Yanni Voices, produced by Walt Disney Records, and is currentl
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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1de18e9a30e059527e841ac4226c8d1b7e8a09983f23e2d9a0510bdff9f61031. 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/d5a73683-acf4-41ad-80a4-fa5974f9d41a.json and https://artists.proofprofile.net/proofs/artist/d5a73683-acf4-41ad-80a4-fa5974f9d41a.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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2983e38f4d331c8b1ca2c61f69475bb4a58bb96828f13ae685efe935ed961630. Chain 2 (Bitcoin): anchored in block 958992 (2026-07-21T12:56:30Z), 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/USWD11263468.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x713ef6fe30bb5afcf4291ac4aaddba4343ddb4d7b914b2db2ca9c0a551e349a9. Chain 2 (Bitcoin): anchored in block 958611 (2026-07-18T21:24:44Z), 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/USWD11161013.
Now We Are Free (Theme From "Gladiator")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4702a6f1ed045059a4169197779c4648f74ece9d3a9480e1862fee68e492e46. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/USWD11161012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x587f9ca6630ab5180216d431ee423edcdaccd0a7a391a3eb40fd63b023bceef7. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/USWD11161011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x278b0a5cdcfb4b9b454af923e66a2c5e2b5f3dce8d0434d9fa20c831b37be482. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/USWD11263476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8a1427a05238dc9a7947c50d36c5d7d625d47b99c220d93ed816425f2141174. 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/QZDA72547250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd941c54adcd7daec84e1c17b5100f4e85ba001209aef43f28764fea7a53c6298. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/QZDA72547258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19586cb6a42de771b650052852dc2de4472305182e95fc5098c587dc5c2965d2. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T19:19:55Z), 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/US23M1700007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x207ed460e2ca20f2c2a433f504e8ade8bac982e7d7221dabcd82ae7012696b74. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/US23M1700012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b53ec78ff08fbe9de402f6139354349fcff6a397aa0810eaf82ba6f4220f97c. 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/US23M1800085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56a8c09c782b084935594bb457ab9032c986819b40fa39b254a05b42fda24660. 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/US23M1800086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f45a701b8f4a507dd79b343a25c10ae7eec705017cef462562d2f8f1b711145. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T11:05:11Z), 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/US23M1800087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc08643163d872e75f674a064b9a60039d67a10c6cdb96ca271a92162f55f0238. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/US23M1800089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb96f8a74de0d9c39db30a80404421e39b9c5253f482d65890a0913b0080f6e. Chain 2 (Bitcoin): anchored in block 958947 (2026-07-21T03:30:09Z), 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/US23M1800090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x372291d4128b7ea6401f167cc5f8b2e1f3ac9cf9956748f5b241d9242af43b84. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/US23M1800092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd590398a9e6299266bfd403b889b680f81ea3a666e8ab49c9c75d6a4958d0dec. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T12:15:48Z), 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/US23M1800093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa72e1566bda148d09edf44669e4c1bd25f2693591156c56069c40dda49ca56e9. Chain 2 (Bitcoin): anchored in block 958498 (2026-07-18T04:54:58Z), 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/US23M2201429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfee8ea51cafe14b94a91a83301c8b83354ccdd314701276de286dbce67fafda6. 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/US23M2201432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe58138e2ff02e4b822c3c7dc294e67a4be9840e1b30c5428ad7d3715e98c1dce. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/US23M2201433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3768118b938f0d9bbc709101eaa70b99032455241b84d5642e090162fa36b984. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/US23M2201436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8b380da69b73edf10a2f0f4fa4545ac69e93ea817616b93c949328115aef022. 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/US23M2201437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70b676c9ab831b28755a0ba5494548248a568241fb645c41f544ef9d42038e2d. 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/US23M2201438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71bb9319b4f034ba19d7923abbfc06c4e7e2308192fe3a266c15c6d57c456e92. 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/US23M2201703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3341cafabd188401ce8e33dad9025767026f085ca3aad443b55042b5821597cd. 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/USAHB1000438.
Redeemer: A Nashville Tribute to Jesus Christ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x320e913f09347abf35b9d4b10f7a6488884061649ee489b1f83002124e4ea8a7. 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/US23M1400107.
The Muppets (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28bbbde04668f4a683adbe0bb0b01dfea4293712244d01a739076f41791f0364. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USWD11158962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa41bbc8d5158b814fc441ade4630658ff00525ce9763cea5805c61176115d749. 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/USSM11307354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf91414a65a68a631362eabc669a7922b70e4387fba9133db878e545f7fcfe0e0. 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/USSM11400482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93103ee94c1050bc04b1654e19d75b7b63f9975d634b17c0f9c505849e305f99. 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/USSM11307361.