Braxton Cook (born March 27, 1991) is an American alto saxophonist and singer-songwriter. He has toured with jazz musicians Christian Scott, Christian McBride, and Marquis Hill, and performed with Jon
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 0xf187f98f3880c5639e53755c113db61788888a7d2b7a060fd4ebf92d955482f3. 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/65ce0d0f-8a9f-4330-956b-c060bbb71359.json and https://artists.proofprofile.net/proofs/artist/65ce0d0f-8a9f-4330-956b-c060bbb71359.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 0xc91df49e4840e91985cb5b7364cb329838d933ba6095961446ad14ce2fb0eff1. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T16:41:48Z), 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/USDY41588722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fa4b047a30a39e009bb9248060db2a012f4b22849ae1b4bce7eb7a6e485c8e2. 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/USDY41588724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4bb1d60f6b4c826d8756ff8a0b38b04da61a07d979530f7b536950892f348f5. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:19:59Z), 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/USDY41588725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x510c17de97c46fb69d479efdfcc74fd4e1da2ff098e738880e58cea81fdcbc18. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/USDY41588726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x693ec51f4613061fe565bfb1c0188bc6ba46844ab132b5632e505f34e85f26bf. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/USDY41588727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02852e97228eb713b422a5e075717b0df42f228ffb08d98accda9e8b8795c2f0. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/USCGJ1735979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f4fb540173f1ce78787bd9176dc104db2ae5d4ab9760ff948a90bb10745897d. Chain 2 (Bitcoin): anchored in block 958722 (2026-07-19T11:03:50Z), 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/USCGJ1735980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdff3d28338d400e3d7f2e9e12b7e96258736a41cec76dcd02d61f1080e97acc3. 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/USCGJ1735981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa1e5bbc8a12f66fb708525b58a4272d1b4c8cfa03c073de8e3d572ac0c1b08f. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/USCGJ1735982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x393dc87236471db756f06696172a5956224622d676ee2db6a7de4b0c13fc4f0a. 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/USCGJ1735984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4442fbf31ee0f265ce14a6f3502b6f7a455f383575d064d83f2f6e73d1b54c7b. 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/USHM81662434.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02341819403ebebf84b0874e78dff64df7696f900aa0c92909dbd421429f7105. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/USCGJ1735985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2fbbf14aae06345d7c71ac76d7d975896c3de007b977a6f183626b6d679848f. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/USCGJ1735987.
Somewhere in Between: Remixes & Outtakes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9295d195b3166b980c37e1f40582c6ace382aab49752dc038e0a7791cee5164f. 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/USDY41886368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32e5d3e455ffb9b27dfc48c9d616b4c2ff100e5955a9967ea8a6d62aee0d8899. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/USL4Q1740570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x343ed86d82715b64d2dcbbdbc14f92adb9283635612bf7513817ad69071ce330. Chain 2 (Bitcoin): anchored in block 956748 (2026-07-05T05:55:59Z), 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/TCADX1801128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4986765a03a2533138180a66ba1201e09f5ee8665e8c211f4c2549fa228ef1c6. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/TCADX1801129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05ae87f91b401464f10105a8761b8da354c6b18800bfc528cdeb3af02da4d4ff. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), 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/TCAER2073286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x712a3ffdf24f92092938925f40da73781ea6ed4f82bb237ce76e9817a2b64705. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/TCAER2073298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51849cb2647b74ebfbe72d858b2864d201a688ecfbfbcad22503c548a58993c4. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/TCAER2073302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b8cdb1d71cdde8a485f09aad8de719f25c5597f033106e8653a143b101b78ee. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/TCAER2073303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4305c0aeaedf9c2fee4765eaeec54540ff29ef4685c27d95a431723eac01dca1. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/TCAER2083269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8070c9cf583e93b2291602f2be87a92f6fe0d1a260f7974c0545781a90fad294. 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/CAN112200535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74eba3f199247ecac172da544ed525faf0b7b4713c1c9f3583b03a44f13b01a1. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/CAN112200778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dc1315e34d01df7a2244709583112f2a7b3605ea19fda04add00246c0bbed86. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/CAN112300328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4ba9396288d37899e9af9fd884e1d7ab21535b855243e4e6fd51ed663da4ffa. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/CAN112200890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x286d4a56bfd60c7e1055319b93e3e8584af98162d5e20ab5976e372b279727d1. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:28:03Z), 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/CAN112300329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x003bfdaa039084c683e20d3d36f257d5508b5b9ac997dd8690bf250403db014f. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-19T22:59:45Z), 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/CAN112300342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95221bd484ee065efc1567d4f4d31466a04547ff21fbf8248f80a205943fe344. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/CAN112200780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc47f5cbf7efb5f9586579decf59f54cd99b5bfb04bd11062f96fbddc9fe61ba6. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/CAN112300332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x768c4c122170281bc28aacc47564c5fc06e00b5c239fe24b7d0190b0e292c0d7. 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/CAN112200779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabede8be3530d5c75c7771a7ec0c9853830ee794253e428c0c937cfe67e3af6a. 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/CAN112400049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15492fc12d88b23faa0fcfccf436206872f9067f22d953d2735c9652268f67e1. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/CAN112401551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33be0cb7be1cebfb919aceca48b77ec411f6e51c77a65b644e82ee58a242cfb0. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/CAN112401921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfc602eccb7f4367399e6375a1c5945012b7b4eb198d4597e72be50e25cadbd3. 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/CAN112402290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23584538df40156586cdefaf5aa289d1707302a3acb0df667d7e1679d771a20f. 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/CAN112200889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf3f843c89962c72e74c6b4c0c8209295cea33f9c59dda8d32e86fe725b1e6f0. Chain 2 (Bitcoin): anchored in block 958371 (2026-07-17T08:34:57Z), 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/CAN112500336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15492fc12d88b23faa0fcfccf436206872f9067f22d953d2735c9652268f67e1. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/CAN112401551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1ae038a0cd0e28d39b84e7f926fa54772f76f61e816eaec646a7ef5c8c13529. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/CAN112402291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33be0cb7be1cebfb919aceca48b77ec411f6e51c77a65b644e82ee58a242cfb0. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/CAN112401921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23584538df40156586cdefaf5aa289d1707302a3acb0df667d7e1679d771a20f. 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/CAN112200889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8070c9cf583e93b2291602f2be87a92f6fe0d1a260f7974c0545781a90fad294. 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/CAN112200535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfc602eccb7f4367399e6375a1c5945012b7b4eb198d4597e72be50e25cadbd3. 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/CAN112402290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b1abe4f4d61d7138e0ec1bebf897917fa5df461b82696418dbd4a4b9357f4d8. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/CAN112500905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33be0cb7be1cebfb919aceca48b77ec411f6e51c77a65b644e82ee58a242cfb0. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-17T04:51:11Z), 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/CAN112401921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1ae038a0cd0e28d39b84e7f926fa54772f76f61e816eaec646a7ef5c8c13529. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:57:22Z), 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/CAN112402291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15492fc12d88b23faa0fcfccf436206872f9067f22d953d2735c9652268f67e1. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T08:57:21Z), 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/CAN112401551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfc602eccb7f4367399e6375a1c5945012b7b4eb198d4597e72be50e25cadbd3. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/CAN112402290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x719b0f00ada1bf16a7d34160f931d02a28cd888a373ffeff9303a8f528076500. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/CAN112500912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf3f843c89962c72e74c6b4c0c8209295cea33f9c59dda8d32e86fe725b1e6f0. Chain 2 (Bitcoin): anchored in block 958115 (2026-07-15T10:16:47Z), 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/CAN112500336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b1abe4f4d61d7138e0ec1bebf897917fa5df461b82696418dbd4a4b9357f4d8. 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/CAN112500905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1ae038a0cd0e28d39b84e7f926fa54772f76f61e816eaec646a7ef5c8c13529. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:02:42Z), 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/CAN112402291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15492fc12d88b23faa0fcfccf436206872f9067f22d953d2735c9652268f67e1. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/CAN112401551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfc602eccb7f4367399e6375a1c5945012b7b4eb198d4597e72be50e25cadbd3. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/CAN112402290.
I Just Want You / Kingdom Come (For the People)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76fd752ba6c4f56d0c40a9332bd4b19d2634033456de2f6b2458b2159638cea1. 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/QM24S1923979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97cd26b3e0e9d363539d7d4b32cebb2a05637f25a2e85c8b907d1b14e46191dd. 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/QM24S1831225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x603d4545fb9b865dbc6817dce0d54e459a6efdfa569f71d8eac0fea7585a5a40. 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/USUYG1361911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb071b1ccd39258ef03c40f257d9895d96263cd15283ce9074d9933a964fb96c2. 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/GBMJG2224004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x365ded39c40b129553fbaa0284a2bd69c2b0f79671eb004e9c2fdaaf22dd1b55. 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/QZES82020391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0919f491f8d4def925529f9c9a98c6fb90fd8bc0a7fc36cbec44e3c316b0b6ea. 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/QZLBC2311253.
Bad Hair (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7705ff98a90a1e3784626f2887d07a323a318bcfccdfe01eff3a1e2e8c941887. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USLS52076604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37df31834825ce2af2d7a20cdabff7c696e3ec26b76cc646a0e12af70465d4c8. 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/USC4R2333239.
Eye Never Knew [Feat. Pink Siifu, Keyon Harrold]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37df31834825ce2af2d7a20cdabff7c696e3ec26b76cc646a0e12af70465d4c8. 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/USC4R2333239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabda9bf7a92fe9b9d1331edfecfd1d83d90153bf07ecbea165b7d3a6289eee95. 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/QM24S1915046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x603d4545fb9b865dbc6817dce0d54e459a6efdfa569f71d8eac0fea7585a5a40. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USUYG1361911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e80b9c5a29609bd17b8f646cc51d97d06cf4aa631abe8636f53c188d4aaab19. 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/GBRKQ2409672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bd8dc040d0e7dde0a3d350b68cbe0ebf8adfc8d81dee2f584bbb55667cf46d5. 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/QZFYX2317787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e80b9c5a29609bd17b8f646cc51d97d06cf4aa631abe8636f53c188d4aaab19. 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/GBRKQ2409672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08c5516981dbb2507ca8871117c2771a7c6160b7d5025f2b5533855822d6a029. 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/US8JA2049002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2012d558eb2db50eb56a4eafb5d168917152fec50fe3fbca6a614ca9d9365c4. 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/CAN112200725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1482899efb6b8e6588272a65f43b14c0b4429e75b4508f1e42eb8dfbc2c334dc. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/USLS52076603.
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 0xd93958fa5950496f6778c64672e4df3005d98ead893894db8d902c6ac6519f16. 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/FR59R2168438.