Hanna Banaszak (born April 24, 1957) is a Polish jazz singer and poet. She was raised in Poznań. Discography Albums Title Album details Peak chart positions CertificationsPOLSummer Released: 1980
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 0x9e297b2ce6668f8eef34c124d250549566c083f9f5108334a7ebd15def194856. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/528a72bf-a4df-4ccd-a29b-3a1c688cc98f.json and https://artists.proofprofile.net/proofs/artist/528a72bf-a4df-4ccd-a29b-3a1c688cc98f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nie tylko Ty: Not only you (Tribute to Hanka Ordonowna)
Hanna Banaszak Spiewa Piosenki Jerzego Dudusia Matuszkiewicza
W Studiu Koncertowym Im. W. Lutosławskiego (Live)
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 0xe56ba57ffdb321f68e799af663925c7ac186a40d148d3f871869809212a01228. 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/PLA391139402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9816fa4b59e0e18970b12c163155e7f1016123f89adea43adbddf8b069e1e77. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T03:15:51Z), 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/PLA391139406.
W Studiu Koncertowym Im. W. Lutosławskiego
Dookoła Wojtka II - Jeszcze w zielone gramy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8757102febc1d0d4bd6791de3ecdee5f5f61abbceda83d12b5de7df6f0a83d64. 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/PLA391490413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5abc38b43054f0caf3e25b96c23380558d27e593899e4486936224119e64a76. 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/PLA391488610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0fec03b315000fd830e2c291a79b243ff24d158c1590257636fb99e5ff3f877. 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/PLA391490302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb53f178e4c519364b8f7f0ccbaf85354469afa9047d43a4e69aa743aacce8e6. 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/PLA391490309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7885606e7b73889d96542e61f7f6d294964ae7318081edf8c7a9693a33112f47. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/PLA391490316.
Alex Band Aleksander Maliszewski - Polskie Przeboje 80
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x927a4ac2409b82a0f8a8a4e3f2b2ef8683bc865d81731b559a613b62294160e2. 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/PLI531400063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1a877c8ca154974fea35183288f5c5486591b0c6d1885adcf7c39461cd31427. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/PLA391592314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5abc38b43054f0caf3e25b96c23380558d27e593899e4486936224119e64a76. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/PLA391488610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8757102febc1d0d4bd6791de3ecdee5f5f61abbceda83d12b5de7df6f0a83d64. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/PLA391490413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0fec03b315000fd830e2c291a79b243ff24d158c1590257636fb99e5ff3f877. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/PLA391490302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb53f178e4c519364b8f7f0ccbaf85354469afa9047d43a4e69aa743aacce8e6. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/PLA391490309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7885606e7b73889d96542e61f7f6d294964ae7318081edf8c7a9693a33112f47. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/PLA391490316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9adb81299d9e8acfc7ac96bf9fe62978567964e077d4d0e00440d36fc3d52d4f. 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/PLB171600251.
Agnieszka Osiecka - Kobiety Mojego Życia (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf16abed6b26b91a08f825c47641c647dd0853aed698b6395e15e52e80abb558e. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/PLA391370809.
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 0x3d1e69088e01342459ed3c3bc1110bbe18d77683a840c33511a7f5cd37ed15e5. 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/PLC592000111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeefa686993a6f2604190a022a17b3bf23cfe335a739c1b5fd9ec5455d289ad0. 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/PLB171600276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd57b6b1c0aa498edee6fa9192392ee668a91c58e8482dafb27bcc39a005c5d7d. 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/GBE7J1012003.