Krzysztof Trzciński (27 April 1931 – 23 April 1969), known professionally as Krzysztof Komeda, was a Polish film score composer and jazz pianist widely regarded as one of the most influential Polish j
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 0x724327f5c3fbde0d2d6a178b25e055dffbb1caf872028aff0f0c1e5f9055511d. 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/b5cf3cea-f576-41b5-b0c5-9ff1bc3cc19f.json and https://artists.proofprofile.net/proofs/artist/b5cf3cea-f576-41b5-b0c5-9ff1bc3cc19f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ballet Etudes - The Music Of Komeda: A Jazz Message From Poland Presented By An International Quintet
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 0xb731f3d2f8a36a6884fb71de4deb272a70a4d757f4577084bcc0afc27a9537c3. 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/PLA246510091.
Rosemary's Baby (Music From The Motion Picture Score)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59b5eabbe91fbddb49950d33bf0b4d38906680bd5aa5d013e7e297c8e4b8c9ac. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:29:55Z), 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/USUM72109711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x319930d48f96049ba9e78b47666086453eab872da73aa4ad8b30fbd7d38fa4b4. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T18:48:22Z), 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/USUM72109709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9531aa9f548afccd73f123f15ba6f7554d1679735fa4faaedf4ff9603dcd828e. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T18:03:38Z), 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/USUM72109716.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5729f1b027c7932c8716f484d699e562879da57d143442385286ed7b4fca22f. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/USUM72109719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea06aa0653a9d0c23e7c89a8448fe7ca04c2a04c672b76717a47b2f764f832fb. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/USUM72109720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed5e46ac7eb54f8fa327df8d58e8791542afd9d59aa6ea3ffae31d97ad8921c3. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/USUM72109722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x685704a925b3a4d3716d97fa8f7f912fa6819a36496fbf92fcc764683a5bf8ea. Chain 2 (Bitcoin): anchored in block 958889 (2026-07-20T16:04:07Z), 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/GBHFB0513702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa53f5e4a7835b4f8da92774caa63cc3da9d819d20adec42d3a5fbaa3f98c53cf. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/GBHFB0513703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe652cd6c87aa5a8acc35a3732a91829614e5d2a4df31400fcfb7578d7d2697e6. 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/GBHFB0513704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e46f243569daccd87163276b43157003e394fffd526f93a2b1c749bc42c570a. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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/GBHFB0513705.
Knife In The Water (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd8de9b395e12a816efbc47ea79830b468dcb955272a098ff3b883aad2c57e43. 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/UK4YS1315177.
Live At The Jazz Jamboree Festival 1961-1967
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x829a735576b2ad0ffe8d498887cd17d8870477a3ef2c705a9b422d9e3c077fce. 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/DEA891101101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34fd8e2e0f57dc89d6c8d77f9775632e33f782e4b8bd27be3679adaba3832774. 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/DEA891101102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7e3062267e94a64ec3e514d33527742bc030b90bd750b3806aff88b94ed51a7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEA891101103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1a6b59dc978b3e0a4661e9a3260510f99c16813ef94e71e7b1009635ea7570e. 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/DEA891101104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f509712c15dff0203026aa98e8b4c54cb5581465f1f035aefe199fc8debb1ee. 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/DEA891101105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x882c873865b452039af7e155773dfd649bfff4bb63c303cf255b6d007b243703. 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/DEA891101106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0beba22ddf6ec5cc86b77e6564453102912034299b46681dcce66b17b74705f. 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/DEA891101107.
Live at the Jazz Jamboree Festival 1961 - 1967
Krzysztof Komeda: Quartet 1961 (Remastered)
Krzysztof Komeda: Trio 1960 (Remastered)
Krzysztof Komeda Quartet 1961: Knife in the Water (Remastered)
Krzysztof Komeda: Rare Jazz and Film Recordings Volume One. Trio 1960, Quartet 1961 (Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ffd6d4f7f52a67dfe47e931879a84368e8278405dc3094ff426df895606bf8c. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/GBKTV0401980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdef853778b7f03eba17eb2a1951d02e21d5b68783c5509e85e38ff7aa21dd077. 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/GBKTV0401981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c7c4958912ec4a656e60c2aa712556b085302ef5ee77e62ad41f3b0b897d46b. Chain 2 (Bitcoin): anchored in block 958682 (2026-07-19T06:17:12Z), 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/GBKTV0401982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db8af36a2465ff110fe2728103abc5f35b90c4c09670be0f5e44b9676d47416. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBKTV0401986.
Balland For Bernt (From Knife in the Water)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17af57b626b3b356c53d61e12241c5ebcccce2d863e1af10c6a6d4f1b38e2866. 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/GBKTV0401987.
Krzysztof Komeda ‎– Live at the Jazz Jamboree Festival 1961 - 1967
Knife in the Water (Roman Polansky's Original Motion Picture Soundtrack)
Rosemary's Baby (Roman Polansky's Original Motion Picture Soundtrack)
Roman Polanski's "The Fearless Vampire Killers"
Knife in the Water (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b6412d0a06679dd9b2bf82eb5047466de9ab1b87c41e8e70836f114df56ae0a. 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/QMDA61305323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x202d1d236287e2730417010525cfd1888568ad2ea7aad665fb1ea3e3d74abd49. 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/QMDA61305324.
Ballad for Bernt (From 'Knife in the Water' Original Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05c80677c789755966c88ae0cc7d7d0f91d8484418634515021d161816b4738e. 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/GBHFB0513004.
Krzysztof Komeda w Polskim Radiu, Vol. 6 - Muzyka Filmowa Oraz Jazz i Poezja
Krzysztof Komeda w Polskiem Radiu, Vol. 7 - Litania
Roman Polanski's Knife in the Water Original Soundtrack
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a6d2e2f3cd05caed71ce26ad82fbee3292efbe2b523ef6b5f426df4ad44fc29. Chain 2 (Bitcoin): anchored in block 958703 (2026-07-19T08:36:12Z), 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/AUXN22124150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3706a89c77a5915a5bd305a17e2f877c14b13e719b0f0b730af85f239bbef0a7. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/AUXN22124151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbff085c18dfd322af561006865323b4e3006d2bd7fde7bed5d2120c43a6b94f8. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/AUXN22124154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2658ecca3dc7ef467152fc3d72f70a21c854fe4d4f4468eff8a5eb3e4028f5c. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/AUXN22124155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9521e5570a62546746697945e0ee3616f801df1ebf3849b1c3a37d29fa9e0496. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/AUXN22124156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0b940491d45fe83e470ea65650228282351c7b60f46f32189e50d4b5e527d1c. Chain 2 (Bitcoin): anchored in block 958617 (2026-07-18T22:07:13Z), 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/AUXN22124157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e895650dbec2fdf115ccd2ae595748c6795a802120a8ebef047c0a0eed7e803. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/PL16A2300522.