Heinrich Finck (1444 or 1445 – 9 June 1527) was a German composer. He served as Kapellmeister first for Prince Alexander of Lithuania, later King of Poland, before leaving Poland in 1510. He worked in
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 0x57b45bd03b42a67eb8cfa608f71b6b69a84d9d9076396c2d9bcab0e0ccd118a8. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7e754dfd-dcc7-43a9-b079-d48558d1e6cb.json and https://artists.proofprofile.net/proofs/artist/7e754dfd-dcc7-43a9-b079-d48558d1e6cb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Codex Speciálník (Polyphony in Prague Around 1500)
Saints and Sinners - The Music of Medieval and Renaissance Europe
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 0xac69e0b5d52fc1af7f563265301d1b3fd4a58b4f2c63e3d2b8a1fec2b2b3c6f0. 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/HKI190008801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x188ee2790b8cff06c118b7a1c1c87eb1c2cbec0a54efdb9b15e521af9b8fd87b. 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/HKI199530308.
Sederunt principes (4-part organum - plainchant)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34ccee54ce3aa819cacdac32fb9cb5ed9f5b09950a9fdc65758f383510ebb039. 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/HKI190433631.
Laudario di Cortona: Venite a laudare (Come and praise)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b9237648a26b501c09db59d44701fcc02eac84ca3a033d064ce6a7dd1e32f3a. 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/HKI190556909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x534c5d82d6d27497ac9bc275e7233be8ce461460031d2390e5cf5cea2e1179c5. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USHM21388051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39501084b2825e019d07ac9cfa42dd141ea801c48aa52e4015cfa7f895671dec. 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/USHM21388052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf110d5134c55c05e6a021bd1a8b726e1a4853d86cd9c7f37d4bb6dc9a0590cf. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/USHM21388062.
Lectio Cum Tropi: Laudem Deo / Popule Gentium
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3a91dd0cc92144902705742a2976171ee8aea8eb66dad99af84273bfa92759d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USHM21388065.
Dass sich wunder alle Welt: German Advent Songs
Money Powers Music (Music for the Fugger Family)
Eine Nacht in Venedig, Act I: "Komm' in die Gondel"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf68e7cfce17f34afa95c931efef740031b8d0137844bc6c57d3c7be4c621b90b. 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/DEA340000829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bca5d47bbcfd097356e74b7455f2e736ca5acaeaa060cda9ad6db9808234b0e. 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/HKI199707702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e8987d39684fab82a940c355aee0fbfb8b12cfbe80413797a4c7aafed97f405. 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/HKI199707707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x319ced64f17bde2b0687a861f557afc263c107f204ac92a230bfc63c4609284f. 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/HKI199707708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02f975b2e3db040a812e19529bb4823651ec3b6febd218e5f55a65d9bc6229e5. 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/HKI199707712.
From the Mulliner Book: The Old Spagnoletta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x383c380bbf619f65072df7b55d5c5ac6b15fc751fbe378a4e797a7ac3b63c16a. 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/HKI199707718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc459826c51058df6b28fa0cb8dca74ffdc11af9b7bb65ccc916664ef575c67ac. 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/HKI199707719.
Pavan and Galliard, "Newarke Seidge": Galliard
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbaf529e7b8995c4ea11c3a81466851404faf06c785374f5d445e15b37c0ae46. 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/HKI199707728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5747c6da3566adf240772b0aaf237b6a9832c607edffb562166f1e7e93c0be97. 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/HKI199707710.
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
VII Festival de Música Barroca "Misiones de Chiquitos" Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7b9dd0708a1286e6910f6461a171e4222a459ad2e679fe664cd6d7e8d1adf3. 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/QM4TW1776844.
Lehár: Das Land des Lächelns, Act 2: "Dein ist mein ganzes Herz"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b616c82de22bbf2f1b93e4b937535ebced1c9866bff4726889bf1b651e2a0aa. 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/DEA340000821.
Sacred And Secular Music From Renaissance Germany
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3db516065daa9a09b428642ed45aecb94a33ce78639ee6ec9e9250b847705d0b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/HKI190508303.
Instrumental piece from D-Mbs Mus. Ms. 3154
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d473c51c4b59bb0a9990798d7573b02acd52e3f0bcf7943ba2a94198ff9109. 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/HKI190508305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b68fc3528ce33ae520686f14641c9cf44b4c88c1f120eb3cfde7707c8f81693. 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/HKI190508311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc901c3598fd138788d2583de5172927fa6b471811a18df02d4d57fef48fb38af. 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/HKI190508312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9698c9c5babe8a165f1f53869d8dc73add73b718f725bfa5d3781e88ce982934. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/HKI190508316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd634d74b97d4befb927506926e9b588f9ecf51d289a651b61ef040d5a5fbf68. 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/HKI190508321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0026308213352b9ca936b165fb79eb84966fea09b30f3df9341b0ab8e898e82a. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/HKI190508307.
Music From The Time Of Tilman Riemenschneider
Heinrich Finck: Sacred Hymns (Arr. for Guitar)
Tugend Und Untugend: German Music From the Time of Luther
Tsat een meskin: Stat ('tsaat) ein meskin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d24e282a1d86a1c1d0994a0d30e529d1368bf253edefbb0e0e1e81a6887b959. 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/HKI199531102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5f93b5668e1cdecdf817b05fca96d4844651f147c130f7157cb4328777fbeec. 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/USPMZ1710604.
Innsbruck, ich muess dich lassen "Bruder conrads tantzmass und nachtan"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67ca99840b8ebef0487ca748aec0bf926e387185cef083c97575fdb6d766a4a9. 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/USPMZ1710612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fb42e1f37627c9405691f31f51ae73f9cea56f68fe87c67b44d79de01b7aa51. 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/USPMZ1710621.
Introitus de "Resurrectione Domini": Resurrexi, et adhuc tecum sum - from "Tablature of Joannes de Lyublyn"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ec97070989a170763e91fcf1a64d3b04389793e232e5ff05b34ea7520defdb4. 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/BEE021906506.
Gesualdo, Crespo, Poulenc, Finck, Bach, Calvert & Ewald: German Brass - Das Deutsche Blechbläserquintett (Solobläser Deutscher Spitzenorchester)
Musique vocale et instrumentale de la Renaissance (Vocal and Instrumental Music of the Renaissance)
Euch ist ein Kindlein heut geborn. Luthers Weihnachtslieder in Sätzen aus der Reformationszeit
Music to Entertain the Kings of Hungary 1490-1526
Art & Music: Riemenschneider - Music Of His Time
Gloria Dei - Christmas in the Middle Ages
Anthologie de la musique chorale allemande (Mono Version)
Gansebuch (Das) (The Geese Book): German Medieval Chant
Winds and Voices 1 (At the Court of King Christian III)
Pièces profanes de la Renaissance - Plummer: Messe du manuscrit de Bruxelles (Mono Version)
Winds and Voices 2 (At the Danish Court Chapel)