Zee Avi (born Izyan Alirahman, also known as KokoKainalast.fm Koko Kaina), PBK is a Malaysian singer-songwriter, guitarist, and ukulele player. Early life She is originally from Miri, located in Sar
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 0x9c13e13e00fdd8478a0ea9338424526dd08a79bed56e1fcf0d550f1b36a2d0f8. 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/b274b0a7-fe6f-4614-9f9e-f1d1e5980916.json and https://artists.proofprofile.net/proofs/artist/b274b0a7-fe6f-4614-9f9e-f1d1e5980916.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 0xe99b185cffd7461f61dd565a3960b1a5c708d6ca9820bfee78e117c370c50a8c. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), 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/USUM70957293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e8dce75f22157454afccf874d3f28d09a49f69e3dc821480d01039547127718. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), 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/USUM70959712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffd3a15e83f5e56e0027f185ad9b4fee4247b81178e1882bb36d28727a93b463. 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/USUM70959714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb51580b23c054cb4027a209596cb889debdb2eb66fa13134da6d6f60a8abf954. 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/USUM71018794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbeb207a6e71dd9ca928e1b527591f4910066582a6a812c41cc2a8c96e446c78. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:18:39Z), 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/USUM71018795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x582ef92b342de2b7d0f9aee4490dc30b19abd8d4af22970ac298d95315f2cebc. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/USUM71110196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fd76b64b37ffdfcccbfbe941c98ed5a1fff944bba5298abc099f9971b6d8b88. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/USUM71110192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ef18d3a149c7b4e37cf5702ee5188a32de8881db81b03118f794f5458d60e86. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/USUM71110195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad092dac161c391cb4eb55dda650876bd234202624bf40da56568acb9ce4796c. 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/USUM71110191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2df7511455bb1010cb5b6eab19ecc9ace386bfef8dd1ec42216215ad9aba8b8a. 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/USUM71110189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2afed67432fbeac47bed061d7c52807279057e15fb6a6b0666e11b90c097172a. 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/USUM71200743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfabfb58d4bffb04469a89773c57e1675991cfd0cccf3b09abdf3c17ad52ba1dd. 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/US88B1000251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd53271d95edfc8fc00f88a8cfe785f7b867a9a1228a1bc9d8f9802dd8ce9c49. Chain 2 (Bitcoin): anchored in block 958115 (2026-07-15T09:54:56Z), 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/US88B1000252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32c09175f66107504d074ff48a9f23377cbb408df2734fe607808cfcfc0399bf. 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/US88B1000253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x318185ab5251e449986c4f5ee2cd50f29340636322a563327635a9280cfdad87. 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/US88B1000256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3958dec73e6c7cb1201ec68301f8b1900c777e123a5f03552764174d5bf3edba. 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/US88B1000258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcc64ad34fd6f60713016f933ecc5b8226810725c84b5603eaace99811fd0da8. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T11:02:59Z), 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/QM7281979518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc32c0f0e51a1b59c87d54875f1ddd302e14ee97f50104f548a805d2b8b00ea2. 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/MYPJ12000008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6caf7d3ecc55cc9167c4a92f6ced2298a055778a66b101eddf9bda87d147a05d. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/MYPJ12200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97ba944a737bce48b3dcabf19250272f6c00584e02e137686f76215767c22c90. 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/MYMA11600078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ff2d850efd0f3fb1f8d36d7de1a1ef1ffa978dc246e02d43b2923de079f5793. 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/USUM70959638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd567f9bedb73d6728194a7312762c736e5af630dd0aeee76d0edf55bcdc5352e. 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/TCACA1476778.
This Warm December, A Brushfire Holiday Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b59f6d1214b576a690b03346251072c94e54da1af3c9805c48b2accb036c464. 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/USUM71115642.
This Warm December: Brushfire Holiday's Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ef4c8af7c91c5cc9c258f8e52aeccea857a56c806985ef50e4457cfa756b53e. 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/USUM70840422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd292a8b7b6fe549bdc0507f9dc223b662307dd56752b1f80e4e4a7c142846f6. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/TCABQ1387166.
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