A92 or A-92 may refer to: A92 road, Scotland Autovía A-92, a Spanish motorway Dutch Defence, in the Encyclopaedia of Chess Openings A92 (group), an Irish hip hop collective
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 0xa33ca30f35d11c499d91822943b5277b35e848af82e7b2a090a365547029bc04. 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/a8206b78-c032-43cf-a653-737764379a97.json and https://artists.proofprofile.net/proofs/artist/a8206b78-c032-43cf-a653-737764379a97.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 0x3e11875a866421b3a89e754ef9c213bb6730ee84ea9d5d5e862178f240bb303c. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T08:17:14Z), 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/GBX722000568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdce9d0ac28c14379832d1612dad1bac921a8c1378e0689dca42002d4048f26fd. 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/GBX722000569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51725767ac93c1cad51c9f44bab14d9d22868f8b6351ccc80d43d21785a3b059. Chain 2 (Bitcoin): anchored in block 959003 (2026-07-21T11:57:43Z), 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/GBX722000575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd997c7e9aed5d91d699062a86f577949c83ca81b9b54c9b76dbb4cee1b5b31ee. 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/GBX722000570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x526666aa331151bcb44fc967ce68e944f8b503709f01727eaca58a9572dfa4c5. Chain 2 (Bitcoin): anchored in block 958561 (2026-07-18T14:22:01Z), 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/GBX722000145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd24f36e3cc91a404a360f87a078b5cd1d55ba9f2edb9c060e12cef4921e25136. Chain 2 (Bitcoin): anchored in block 958911 (2026-07-20T16:46:31Z), 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/GBX722000571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1df2f3f29f6f10866972ce66e44a44bf7b7fbca92ef643cf8e333444f3e81ef. 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/GBX722000574.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26220decda5b939f7953b4c57c4700f76af5db963b6c7b8a1e25af73ffd0679c. 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/GBX722000572.
One Mic Freestyle (feat. GRM Daily, A9Ksav & A9Nikz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x158daf04cc7138186968e568e00fc3ff8b38a2c382b66f2dfd69f60361259349. 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/GBX722100253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b1bf34f945f7c840411ff8187bf36617fa2b44704f585778610f9305a113d08. 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/GB2GX2100107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa633c916552898ea6b9fcad668a3914aabcd965960c411286a71b39430573567. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/GBX722100734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5e10e4ec1a2f7da673d2cb10d6fdb08a2828d6bf4ee4e565a1c7daf68e0de96. 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/GBX722300081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d5916664f38c12bdf980eca2084e645dedacf111813f33a5d12b1acf32a1b5d. 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/GBX722300256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa336fc0aed2154e4fdefc4cfa7bec37fd4c9812082b74426eefc25aaf931e165. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/GBLFP2472022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63c789c3c5bb091dc646ba0941af402f68d2667efc066e074e764d1b97e61740. 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/GX3Q92177085.