Veren () is a village in central Bulgaria. It has a population of 178 as of 2022. Geography Veren is located in Stara Zagora Province and has a territory of 19.787 km2. It is part of Bratya Daskal
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 0x3f29c3559e653be4986e8b9e99ea0697821bfd9ea6fb0e205507c42b2984de16. 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/93650c15-060d-49fd-8102-24cdb5a6aa88.json and https://artists.proofprofile.net/proofs/artist/93650c15-060d-49fd-8102-24cdb5a6aa88.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 0x39792b670bf2be098918c8f6669bf7b3e257ebdb34ff1238394163559cafb285. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/IDA141600447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b8e0ad15ec943c7cd5deb83a745d6778b89629395730f4f51a1d17af84e4c92. Chain 2 (Bitcoin): anchored in block 958106 (2026-07-15T05:35:13Z), 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/IDA141600449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa97ef2e5ec71d9b813ad47ffb6beddd58ea0667527e06ae110ec14860ef10b44. 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/IDA141600454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a1407141ed5a91d28fbc0003e876dc7d0d71d37a7c4c190ddc27c62ffdfe797. Chain 2 (Bitcoin): anchored in block 958627 (2026-07-18T23:33:54Z), 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/IDA141600457.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1180c9f3b8743a2c4d9ca53fb7b6d926f087100d124093ad37c75ca326a6d349. 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/IDA141602733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0980db57461ea4eb5545c16cb2c29ed31167669ef5a8cde41f419ba58e0bb6c. Chain 2 (Bitcoin): anchored in block 958529 (2026-07-18T09:21:41Z), 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/IDA141602734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6384abe311955fbb7c35a9ef85dcb19395b8633b49eff7c2bb7efb8d9d221ac. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/IDA141602737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x200fc4e078ba7b899f382f25571a0ff1c97ae2fdf82c679b251fb63fe319c83a. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T22:26:03Z), 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/FRX452042452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a2812db46c895b900f5251f0d32ce1aabeca0c35f880bcba5802b45d5e607f4. 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/FRX452042453.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03668a020d092910e3f8fd5df9518009b902d70d139142f392f4a7d939aa881a. 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/IDA662401778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a1a83eec01de0124cdf16ae9504910a0e3201c09a2b95b726fee082c8b1801e. 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/IDA662101219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb607fc918ee875e74e6c6e99860b1ebf4f02856c7c6bfa597ea5570ec3b73893. 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/IDA662101220.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x434a33a9505888801fccd1fa79225a5f77f808e4711de76380667df6bf2c04d3. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/IDA662101221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d05067fc00021d7ad9d137b9a85bee78d11d680b0225bd977fadee94c649e8e. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/IDA662301738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f3137fa83eed14170658f731635fef11ef8e0aacb1f2a8e17e238a5de740314. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T09:40:57Z), 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/IDA662501905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e8723640913db3e4050e00e478c300a6e72fd7f66f9bac3eba70515b94988f8. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:48:20Z), 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/IDA662501924.