Beytullah Güneri (1 October 1955 – 12 September 2023), better known by the stage name Beytocan, was a Kurdish singer and musician. Biography Born in Silvan, Diyarbakır on 1 October 1955, Güneri moved
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 0xb26fdbfcc3b6872ae170640a44e8e58b233e22e57ca8fbfb6f3ebe585dbc8897. 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/6da89e12-57b6-4379-8fc3-307c371cd13b.json and https://artists.proofprofile.net/proofs/artist/6da89e12-57b6-4379-8fc3-307c371cd13b.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 0xc19b11bfc81423092df3a9f42aba0f60b499d6bc8d3c8a0b207b96db9bb16f9e. 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/TR0520600693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76552167494d18b15d207a50ad0b88f32c2a614f233a0d29d98db5e8ff2aa4e2. 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/TR0520600694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x987583defdd2be24be6eff709adce0ddd7b07ffc3824c7e2b7f95e74651f4b01. 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/TR0520600697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05b2c687488d830f8e4733502db81c47277300231f37c9ed7d9726ec632c2fcb. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/TR0520600699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8893add4b4f2f281aa2ef75d0f560f7b2cfa52e531734d0f986d0c604d58b4c. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/TR0520600682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x762aae8e69a3d5dc2ccc4824b8a6414acb64d879755a42cac544f19bc871e020. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), 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/TR0520600676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb84d47f5e76591f9513ef741c2dc74554a3ca54ec3d75df8b7e75a8d5badd875. 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/TR0520600684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x134f874c4ffb76f61a58ff42191ff4399ca1d485359c6f98d2b12d6f6b1e832e. 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/TR0860600113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd61f69fa540741ef549377b0ae81da3405b88eee4d568cde032fc1970f32de96. 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/TR0860600115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x793dbc1d57089a13beff4ecef90c4f378ba7d50b81db47a26fcb1c4115c125ea. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/TR0860600116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ddb4b13621dbee16b804598d2be7ee83773912ee0ac9d5e7f0c1cc00b96ac4c. 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/TR0860600120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b6b3dbfd90dd0c3cdb7f6c13caa7e64fcbc111c209d03e8625afe77a9700ad9. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/TR0860600121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x864bbfc24678e6fd497e71a64b29672b84e49fe221321c18e6aa6fa124724b05. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/TR0521105004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc6fd9aeada2a6fa006e8ee5b852ce983c1c943b81bcceb9e944c75b4ce05687. 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/TR0521105005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5f44c6053db6dbb331bd287238fc841c76940a422db5c0323caa0407b9a86f1. 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/TR0521105007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0564e0111a79b6e3ffc58ad8fb60ad9196843aa8400ab9d209d55c80e84ef7a4. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/TR0521105010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f702fa1d9c489b72fc9f19c7aee85efc5eb30ce909643259b68443a7c398129. 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/DGA0M2389500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xece553d134ca86da554fdf9846a9841b598a1817b19faa8720f39b071e8392be. Chain 2 (Bitcoin): anchored in block 958706 (2026-07-19T08:50:34Z), 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/FRX452442805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c03f14c93bd1255ecc0987460a389a467c5b8b8d64674368e4dd1cb81305386. 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/FRX452442714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb62e09b6ad0eb3d9cf18fc7b20f64392d8dba0325934dc46f7f6c4e08fd88f0d. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/QZWFQ2402192.