BSK is a three-letter abbreviation that may refer to: Sports OFK Beograd, Serbian football club FK BSK Borča, Serbian football club FK BSK Batajnica, Serbian football club FK BSK Banja Luka, Bosn
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 0xc18aa78f4dd2b9e4217e9d3f1f12d050968bc67d73f6d151f2d6fd398ae1d1c5. 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/46b364d9-2bc8-4471-b61f-2a85a735914d.json and https://artists.proofprofile.net/proofs/artist/46b364d9-2bc8-4471-b61f-2a85a735914d.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 0xe360acf6bc0c4c6c1a8c2c91e33c63b9fe98db02d0bab5ddeb71c8cc5e4a4515. 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/CACWV2333277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac63b81987d415ed43e4c8c50d893a341d301d143bac5c40fe8024543eacb664. 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/CACWV2333279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf07c6a1114a5c56e4714354b9b63321cabb129b6bc4c717cfcf3ebc25f2f13f2. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/DEYX82156304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97e4115e10e773ed0c0a1ab5a96f1d65a058d613bad138fd5b0620927c99c5c7. 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/DEYX82159226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ca0cea389aade91bdbc6a64793ead215991e19a1783455509184f613ad03a20. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CACWV2333408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41cf8dee07f0f7526a1ee398b20dc34323a716edc550eea75a4669f4f92f1232. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/CACWV2333278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e733773c1fdad2c9ded817876046d3736f4d52d5d7b78eaadd7620d83b98748. 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/CACWV2333407.
Dieses Lied muss leider immer noch gespielt werden (aktueller denn je)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b54e8280d0a85750eccfc1a20d24f5d66b93924e67e1c3fc06fb428135883a. 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/CACWV2333406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd579599b55a18429f67d33113e1b6381973e1068b179bc9b950cd62d237dbc25. 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/CACWV2333405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x105f1782d66072cb18d4760d498ae9e30bee3e147856ca3cec5013a54a4e7374. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CACWV2333412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc3be634ea1fcf0c4a48fe77b9a276d27f5e1a1725be27b1bd83d9b819e60d48. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEYX82153427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97da6abf967afa9e4b84f5c7aec46803529b6159dc51e399d2136de091bfef41. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/CACWV2333280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa207df4497e337b5660fad275a352e240cebbbdc3b5d5e420fbf5e7ef20695ac. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CACWV2333399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee6904bc04c7960e116ab0c92d0e4453951bb92b6118514a7020b94a327cb27d. 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/CACWV2333413.