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 0x821fdf3a20431720872c2f62b24b95617624c9e0864e6dbbc3c0742135a1f0ed. 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/b4b664d1-b9d6-47cc-8380-35afe349d3af.json and https://artists.proofprofile.net/proofs/artist/b4b664d1-b9d6-47cc-8380-35afe349d3af.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Die tote Stadt, Op. 12, Act I Scene 5: Glück, das mir verblieb (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 0x59be84418c8ea4201fb4b4072e7405a0ea112e0802fd6236ec431b047d855bfe. 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/GB6CE2200006.
Die tote Stadt, Op. 12, Act I Scene 6: Marietta! Paul... Paul… (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d027cce3eb2880f6edf405c9a822bcef60a05b80e9624ee19154187b5a1a37e. 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/GB6CE2200009.
Die tote Stadt, Op. 12, Act II: Prelude (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bed493217c25ea6f4d2665abbf90a8bad1d133d81b4f8b2cfb43ae06eff2b29. 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/GB6CE2200011.
Die tote Stadt, Op. 12, Act I Scene 1: Behutsam! Hier ist alles alt (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06dd850b5ee24ff911ead42f7792ea0b753e3277cfb8cd87977a425c616a9054. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/GB6CE2200001.
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
Richard Strauss: Intermezzo, Op. 72, TrV 246
Der Freischütz, Op. 77, J. 277: Overture
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa29c823e63ab81bbf0ed0b308f504af51ef5f7e3fd1fc8dfd7a0c8e560c7551b. 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/NLE421906501.
Der Freischütz, Op. 77, J. 277, Act I: Victoria! Der Meister soll leben – Schau' der Herr mich an als König
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cfce5ee0735ace22643ef2f28ea9cb42119b49729eac29e64b0978a540e3566. 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/NLE421906502.
Der Freischütz, Op. 77, J. 277, Act III: Und ob die Wolke sie verhülle
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64fb7753be4f3765a40dc45b55f3b4a382ca2f0aa73fffe9827d77e3df6a4024. 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/NLE421906519.
Der Freischütz, Op. 77, J. 277, Act III: Einst träumte meiner sel'gen Base
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c955b408f23046f89b1e6192f2ed96b583223a3ef59062c61fae014646b0adc. 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/NLE421906521.
Der Freischütz, Op. 77, J. 277, Act II: Schelm, halt fest!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x118a2a21c1f343758eb7b910a68cdafa75336b44a0ea580e488492a2d61c994c. 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/NLE421906510.
Wagner: Die Meistersinger von Nürnberg, WWV 96
Tannhäuser, WWV 70, Act II: Freudig begrüssen wir die edle Halle (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9bf3eab66d346c13b558e31e46361a8d5a9afae64bf71dfceabda2e321b8901. 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/GB6CE1800242.
Mahler: Symphony No. 8 in E-Flat Major – "Symphony of a Thousand"
Mahler: Das Lied von der Erde (new version)
Sacred Masterpieces Stuttgart Gachinger Kantorei, Stuttgart Bach Collegium, Rilling
Wagner: Götterdämmerung (Live At Staatsoper, Vienna / 2011)
Wagner: Das Rheingold (Live at Staatsoper, Vienna, 2011)
Das Rheingold: Prelude - Live at Staatsoper, Vienna, 2011
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b4f754df78c4d241ffd8fdc3ab43e53dc8fad47559a75a208d6c0e57623fd73. 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/DEN961131001.
J.S. Bach: Magnificat, BWV 243 - C.P.E. Bach: Magnificat, Wq. 215
Magnificat in D Major, BWV 243: I. Magnificat
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70979ea6cf6fdd9aa33dee8a236b3070e97b7284c93046566ebae2d2008cc614. 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/DERK62156301.
Magnificat in D Major, Wq. 215: I. Magnificat
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x381fc6951d876ee7cb5a6e061f2cc10fbc0f64fbb11422f9954130454e4a39af. 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/DERK62156313.
Magnificat, Wq. 215: Magnificat, Wq. 215: 1. Chor. Magnificat anima mea Dominum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x729e0d8d7db3ab4bcdc27723e8334b779155789c3924dcdc084fc35aacd4f6e0. 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/FRZ141301010.
Magnificat, Wq. 215: Magnificat, Wq. 215: 2. Arie. Quia respexit humilitatem (S)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85bc4cb569b11d434520915187614a50bfac2cda11fed25388a38305c1f129ad. 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/FRZ141301020.
Magnificat, Wq. 215: Magnificat, Wq. 215: 3. Arie. Quia fecit mihi magna (T)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4375b489444f4413bda04022193fc8518969cba2e6f9d88443000de5ed2a463f. 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/FRZ141301030.
Magnificat, Wq. 215: Magnificat, Wq. 215: 4. Chor. Et misericordia eius
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7c3b270c3654655a6bfb633ddda900b11e59a7a371b487358977c9af5f84202. 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/FRZ141301040.
Magnificat, Wq. 215: Magnificat, Wq. 215: 5. Arie. Fecit potentiam in bracchio suo (B)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e78bc9425a7ec1417f3320a8f47384d3823c2424947c827edf95e82cec52d69. 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/FRZ141301050.
Magnificat, Wq. 215: Magnificat, Wq. 215: 6. Duett. Deposuit potentes de sede (A, T)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd58e4703e3fe695653a67abbb4990fedce5e127ec807378642b9b7fa84cea8ba. 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/FRZ141301060.
Magnificat, Wq. 215: Magnificat, Wq. 215: 7. Arie. Suscepit Israel puerum suum (A)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2771c7f2b5bd4f62a9e382da997117d6454a0e12032b99025b72a2c9fafcc8a. 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/FRZ141301070.
Magnificat, Wq. 215: Magnificat, Wq. 215: 8. Chor. Gloria Patri et Filio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64d572bb335a91584bed72cf1ef8bfba3d369e865be12a43884f12d19e72e396. 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/FRZ141301080.
Magnificat, Wq. 215: Magnificat, Wq. 215: 9. Chor. Sicut erat in principio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0e3d56124d09c4b09dc055c1491fe304f923ff2e215b21e3304e382ce4ea8dd. 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/FRZ141301090.
Heilig ist Gott, Wq. 217: Heilig ist Gott, Wq. 217: 1. Ariette. Herr, wert, daß Scharen der Engel (A)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aaadc533581f27658e69e2a917cb526c0c2748c44852cb8c3d17b960d7eff34. 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/FRZ141301100.
Heilig ist Gott, Wq. 217: Heilig ist Gott, Wq. 217: 2. Chor der Engel und Völker. Heilig, heilig, heilig ist Gott
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79935b73d63d9762c3909bfea414b2c060f5bead8b579cd77b52bac7dc3d0848. 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/FRZ141301110.
Sinfonie D-Dur, Wq. 183: Sinfonie D-Dur, Wq. 183: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0b16d9d982e943212f0420212086cb0e34706fc1673ae6012707fa3e5885f5b. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/FRZ141121130.
Richard Strauss: Complete Works for Voice & Piano
Haydn, F.J.: Lord Nelson Mass / Creation Mass
Schubert: Lied Edition 9 - Friends, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd495148654fa3699ffde53d713174d87fd3c554bad18573d034adef0e1423f3f. 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/HKI190127514.
Nicolai, O.: Lustigen Weiber Von Windsor (Die) [Opera]
Beethoven: Symphony No. 9 "Choral Symphony"
Symphony No. 9 in D Minor, Op. 125 - "Choral": 4b. Allegro assai - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa81bb4bae34c706a6e0792bc801bb548797d54c723be5d5b3a3470f83bc3e569. 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/GBBBA1800486.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 4c. Presto - "O Freunde nicht diese Töne" - - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb6cf13e97fcde7708625f52694d7dab708e704e72f11be41edc3dd38f2f7b25. 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/GBBBA1800487.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 4e. Andante maestoso - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ed7ee9d45d1685974afa304ee056fa46bd2d090315ae1d841f212f70f424ea3. 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/GBBBA1800489.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 4g. Allegro ma non tanto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c445ebf77163ee4383c31bd59f305e557e2ac6d4947db59e899c1aff1e02c2e. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/GBBBA1800491.
マーラー：交響曲第1番「巨人」、花の章、さすらう若人の歌
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5e6e49d92a87598f0878120225df94169cda8c92139d3ab8564ff263877b252. 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/HKI190665701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf135b1508d0f410290818022c984e08becf041787041bf47e6b0f0cbc500879. 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/HKI190665702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb8d341f804ad547b4ae52a581cf055955cf835805f0fa9134c2987d872c0095. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/HKI190665703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19a9febc014042ab251c53275577516df0c28bbcefef9c721faf2564fdcae24e. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/HKI190665707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3378744f1e43ef96d17e9e2f345f7142707a7ba9e083dc66fa078a9995d2ef02. 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/HKI190665709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x401a6f6a0df4872d35a03b6318c5f0b2254bf57d761bd2e966964d5d27e3dc51. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/HKI190665711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x997af4b29357c006b7558fb7c03dab5d830472e34960c0e6536f48633d6a6074. 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/HKI190665715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bbb1680518bc9536a095c38f21c78aeacb41dd31999b7db0d93d6365e7734de. 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/HKI190665717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd55c83d9c2c9aedae14176881cdee42a99f0b2f506c950d2a027f9819cf01c5. 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/HKI190665719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9df9cea3511e0c9c59d018c9709e509cbcec95b6e0e0b792b1be834b3dfe930. 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/HKI190665721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x579236409436194942bddcdb4678e6806ed98398336657d35a7153b64541efc9. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/HKI190665704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ab52d3d74792f45298e04b9174ca930172fb7a6bf9355fba9936400487c7655. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/HKI190665705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d1db08da8d6e57cfb4d3b5ed56d5bdc7e456bab716d21825335e040afe68b35. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/HKI190665706.
Carmina Burana: Chramer, gip die verwe mir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2881937a9f7c4adf0c24b86b490ac83f57ef439bc070e6121e7c1b029b5f9db. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/HKI190665708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69f3dbd740b1317dca37da92c7a76d4410355c1352545d1605a61567e2237737. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/HKI190665710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed647dae57d57d539ec512970d9b87288aab1a719612fd78032c1a33d4b30337. 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/HKI190665712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5023f03965829a485cb92d370ac6532a5d10d5c397a55a881a61fbb54c3402. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/HKI190665713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6909fb3ac3a276cea3c17f89de4b78a9a8f61d89c7d043e5598554d5222cd3c0. Chain 2 (Bitcoin): anchored in block 960155 (2026-07-29T22:13:32Z), 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/HKI190665714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde56493f8345a3710ab352a262c668f030d319554e943daab60b11b37d682be8. 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/HKI190665716.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6f9fb875092735c2a2dacdc0716befd6a89678e64da5f47f42b18052a9d1da2. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/HKI190665718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac97742817b783051c836f20a1e30494b491a28135e38bac79ec0e090fc8f612. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/HKI190665720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb225e014495c560b00970441e3b61c7be0a0519e3a8383c73e83ec734cccd8be. Chain 2 (Bitcoin): anchored in block 960179 (2026-07-30T00:39:11Z), 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/HKI190665722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffa7614ce6bdc89de7938f35da58de209fb90f98bd1e6ca34b06306760d94db6. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/HKI190665723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0e087ea45ad8184db33fbcd872c9faacaddd8d6c62fa0046e55d98b5afca17b. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/HKI190665724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a4c7c9c47edea949f5858c58dcc30febc20f301dd294ba616a16eda27c085b5. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/HKI190665725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfae80d30ebc73c62dd979fc20df008755d87003b9ab671b99d4a4c960aad4588. 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/DEA550714596.
Mahler: Symphony No. 1 in D Major, Blumine & Songs of a Wayfarer