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 0xd1ea1a212bd573cd1913894c53cd1b1b6ba03595dda043a40deaa63be8e5b678. 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/69798226-3336-4b6c-a286-9240b157de4f.json and https://artists.proofprofile.net/proofs/artist/69798226-3336-4b6c-a286-9240b157de4f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Johann Sebastian Bach: Das Wohltemperierte Klavier II
Preludes and Fugues No. 1 in C Major, BWV 870 I
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 0x418aedb6993fa9cfe2158c2e9d7d4c88b94951c01ad0a66fe03e4f668d2605ab. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLC702314401.
Preludes and Fugues No. 1 in C Major, BWV 870 II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad476b89d31fc2077d109c6e6e22268d62d10215c0ab6edf1f54c8e295e89507. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PLC702314402.
Preludes and Fugues No. 2 in C Minor, BWV 871 II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x403c43f1849c37cbbeedd6bcd0db96890339faf30e9f17244d34711c900b0457. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PLC702314404.
Preludes and Fugues No. 3 in C-Sharp Major, BWV 872 I
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04778e4935fc09e29a36dc27a3d4c06e7af789c4c2c82e16f7a700692a8ef6df. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PLC702314405.
Preludes and Fugues No. 6 in D Minor, BWV 875 I
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68bbfcf8befaeb27a7a1d1d27091f4596023d924931a196da5adf0860d64942e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLC702314411.
Preludes and Fugues No. 3 in C-Sharp Major, BWV 872 II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a357c72bdd1f19a0e6cb76cc629e6d798b3d4e3a3092130cf912be35082046b. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/PLC702314406.
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
Preludes and Fugues No. 4 in C-Sharp Minor, BWV 873 II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bdb1283126ca4b54f3dfc13bd9d52f83d2eb5999395048c3ea3608b03014c80. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/PLC702314408.
Preludes and Fugues No. 5 in D Major, BWV 874 I
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x244bc1f4b351e5dd990b5418e5977d0b9cb28533ad4b5f98b08dbd48925e46d4. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/PLC702314409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2eb57180fa2ae38a8e49a52e7b7caed3c30c7e87bc3b36a98aeacac70531599. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLC702211717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89ca80bc68fd17c358174218788f43e783c853d27aa9f702749ec49172f33c4d. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T08:46:31Z), 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/PLC702211715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c2b24635cb01fb033aeb7b1301ea97bc76b2c13e803158c6f6422be0203be3b. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/PLC702211709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b23af811d142eab59d165774dfc17bc62d2811141ece46fc6c59abdfe677ad1. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/PLC702211722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4337082671cc03d72865e88c4fd28d6cb19523a1de4ceca14257bf8037c27b9e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLC701806202.
Prelude in F-Sharp Minor, No.14, BWV 859
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e7141a33daf1ccf569b917773bc9904c138bde9078c6849814e0f0a1cb57590. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PLC701806303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x217f599fcc97d102bab649a3dd41ef8349068c9198d3fa342bd34c01d9410197. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLC701806304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55f278169201e762ce06244e9037c78dfe588968c8c152cd2b502c291c50137b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PLC701806209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x833c29948f1476bc87a462dfaeb25fffba32feff61e54a0a0494794d64cd5fd3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLC701806310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc53969c4a8ed1ca03ab4fdd15b4fffdc9fc39eb596075397df7f67809c48be86. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PLC701806314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7770c89fbb9254fa2ef18faff1dc84991aaef404a7eb5a152a9a14c435c069de. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/PLC701806215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3771897fd0033838262a5b1a47b90683d2e8b0f401195bcbb03dccfbec1cd29. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLC701806216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x504544536e14cbb69457f537f6023da2183616ec9fe523d7e163a24048c65256. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLC701806217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b4b64d82fdc28e3113153c343f1e6af150dd7acbba3a0898a99bd2fd50cd45. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/PLC701806218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d21d838c61339b193b5e58231c271295298f8524c32f3213914a80f5389d02b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/PLC701806219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0e9a6ad14c09bb61411b81b8cdc12420f8a4db79b563dc7fc759c57c18c2b62. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLC701806223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70bdc58acb58898e8060c7ab5572a4ccf9d6c3bda46d777cb1e3c7d155d2f816. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLC701806224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x696fef92514e7e3b1fe4b089bf38ecb967eb41f4442fa184ecf0a3248b49aa06. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/PLC701806201.
Prelude in F-Sharp Major, No.13, BWV 858
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa635de9ec10c754102f6f0f69c492c0127e789c05ddacbdbfb95287ecce5c576. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/PLC701806301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71b200f8375d52cbe21e15f62cae34f3a14a6c1b71986e81692ff676baab229f. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/PLC701806302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x213483dbb0e872ac265c74dd4b63be63f8b556adb888e0ec1a5345b059a15c4d. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/PLC701806203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36e595d67a7471b2b5fb09275ad4b39679a5c9de162af6c805bc430435eefc29. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/PLC701806204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb6d301289006edf26f687949cd0d1e93ffd7522e8803112fe3680ce3abdf37d. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/PLC701806205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x559d8ed23ac10aff6b0874e37bca657d58663d493393c1fa45e1a0cad03557ff. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/PLC701806305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1ab0e05d546ee5c0e70bb0bd657356c9b475285bf86a5a10a64c6451d54122e. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/PLC701806206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa947befbf3f6d7617a36e7555b482869878fda77b5a1b51a4c787bbc71feacc5. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/PLC701806207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadc5a343c24f1725b218c4e8d9e3dd604d15025d9e10e61f5ea5c54be83217d6. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/PLC701806307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c0481715e18eecf6cfa5a9628d0e1998dc077070ac6fe72dd08b99e9f5ce9d4. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/PLC701806208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffd1e5219772d9afaa8d3b2b72da7c9cbe3bfb6b83118b9a6f2855674aa73686. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/PLC701806308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98c8421fba1274730c5c2c4220892234aa892169a947b88669692170e6e8c8a7. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/PLC701806309.
Prelude in G-Sharp Minor, No.18, BWV 863
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00318478efde0003c7272c221d4a28b27a1640653deccaa5f2c88b003b405279. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/PLC701806311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b0c0ec2d9a6d1e19c9770814f8cfba7a672d080785c81faa5e266a7bc3ebe5f. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/PLC701806211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x378f74ca55741d7ee126f1fb4a40910efeb75e6a2fcff3852365b5a7c45a3269. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/PLC701806212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4382b3f1af9155d2e84e68b506f6e24f19602914cafe4223e49f6747d77c3d6. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/PLC701806313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3df6dfa9ed3ec56f176a55c5d36f294ed5eb64e16bc84846f6c24a728d2f7748. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/PLC701806213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbf8bd0dbe562cd8b79d04529a3e214bb723a589520d8ce22f5359fd3218b573. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/PLC701806214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x273245249c3c3cab94f67226ee73fc65c1e1337858be644a0b4c3ecef30caed2. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/PLC701806316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c6481f2dc6c278c414cc53dc79fbeb63e17110d7166a59d84939b11bdc87890. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/PLC701806220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e204c9235ec834038a9f2d24e642b2e5f3c6fe74a0d22c248e81f156a43c5ae. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/PLC701806221.
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Witold Lutoslawski: The Pearls of Polish Music Vol. 2
Chopin: Scherzo in B Minor, B-Flat Minor, Ballades, Waltzes
Panufnik, A.: Piano Concerto / Lutoslawski, W.: Piano Concerto / Szymanski, P.: Piano Concerto
Chopin: Sonata in C Minor / Mazurki Op. 6, 7, 11
Chopin: National Edition [B] Vol. 3 - Songs
Chopin: National Edition Vol. 10 - Works for Piano and Orchestra
Chopin: National Edition Vol. 9 - Mazurkas
Chopin: National Edition Vol. 2 - Nocturnes
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Grieg: Piano Concerto, Symphonic Dances, Lyric Pieces, Holgberg Suite, Peer Gynt Suites
Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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Piano Concerto in A Minor, Op. 16: 2. Adagio
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