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 0x8ed2053b158c7cb00ac23ca3fd9ff857a0fc23ddf808598ca34e0efadd2d2f4e. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/91239150-7906-48f4-9840-7b703bc0941c.json and https://artists.proofprofile.net/proofs/artist/91239150-7906-48f4-9840-7b703bc0941c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Musique religieuse, Op. 113: No. 2, Alttarin valmistus "Suloinen aate"
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 0x85c2fc277af80a19a8cfef8723a149efcfff03e1cae283968e3d9f3c47982406. 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/SEAET1177030.
Musique religieuse, Op. 113 (Alternative Versions): No. 2, Alttarin valmistus "Suloinen aate"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbca03206b4f88276ab9d6070f062c45bb955ed24f834cf80526a8c5c0a95ba9f. 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/SEAET1177040.
Masonic Ritual Music, Op. 113: 3. Kulkue (Procession)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f279623129ba1a0c5241def8bb73947d5ec98a65e6b0db7be98e1cfdf34355b. 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/SEAET1177050.
Masonic Ritual Music, Op. 113: 3. Hymni (Hymn). Naatko kuinka hennon yrtin [Though Young Leaves Be Green]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc14df1335e20f1cbc414a8f92867a4fe8c03ee147f9dd0e7000e57a6c2dc7ef. 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/SEAET1177060.
Musique religieuse, Op. 113: No. 7, Kellä kaipuu rinnassansa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa95d67c8e83dda9317f8c6309905d94e8247e987e4735b42ef01272a0c3f7c63. 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/SEAET1177090.
Musique religieuse, Op. 113: No. 8, Veljesvirsi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40d831f493d49f5edb33796bf7e2646b79db411ed6047ee28aa61d96444b001c. 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/SEAET1177100.
Masonic Ritual Music, Op. 113: 4. Hymni (Hymn). Ken kyynelin [Who Ne'er Hath Blent His Bread with Tears]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c1c6aeb2e5f1fdfaf396b874fa023e2d345a8ccb5fb57137c8af794fcdbcd1. 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/SEAET1177120.
Masonic Ritual Music, Op. 113: 2. Suloinen aate (Thoughts be our Comfort) [arr. J. Kuusisto for tenor and orchestra]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x481c6854cda7ef9ba0c1af17f4fa03cdd56159ee92294588721401ca9e41f1eb. 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/SEAET1177190.
Masonic Ritual Music, Op. 113: 8. Veljesvirsi (Ode to Fraternity) [arr. J. Kuusisto for tenor and orchestra]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d39b2f2cc3230e6d7fcb048d38502dca96aa52cd64205fef0cff183fd1c41b9. 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/SEAET1177230.
Masonic Ritual Music, Op. 113: 10. Marche funebre (Funeral March) [arr. J. Kuusisto for tenor and orchestra]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0502df4327ab8812f2408b68a691d43319a866d242fcbecdc6909a6ebb67037. 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/SEAET1177250.
Masonic Ritual Music, Op. 113: 6. Salem (arr. J. Kuusisto for tenor and orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03aa0b34e450169229cdaf5517ee9a4e0fc682169a733e756daacc2959a34d46. 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/SEAET1177260.
Musique religieuse, Op. 113 (Alternative Versions): No. 1, Avaushymni
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdced5e7a7c492d09e5badb78ce9e4f6b0b508c9aa2e22d334aa9ddfad3b7a075. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/SEAET1177010.
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
Musique religieuse, Op. 113: No. 1, Avaushymni
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb81fad0f064f4688fdf13b9c46f1282fc02664cecbe41ff38ab1edb1e92d8112. 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/SEAET1177020.
Musique religieuse, Op. 113: No. 9, Ylistyshymni
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52eaa3d39ef9e6ec19dbe3aa107a8ebbcfd672af465e2c1b7dbcff3b31b4b19a. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/SEAET1177070.
Musique religieuse, Op. 113 (Alternative Versions): No. 7, Kellä kaipuu rinnassansa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bb7527f77bfa5f2553132701a22413dea86055ef983311871ca7f8cd05d6235. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/SEAET1177080.
Musique religieuse, Op. 113: No. 10, Marche funèbre
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa740ef44b89d6c43282ed1e5c438991bc93bb161f567df0f4c654d9e10b0d2ad. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/SEAET1177130.
Musique religieuse, Op. 113: No. 6, Salem
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x618e3d2af149ea568e81f3972213b156987801cf84b7dfcc466ed72655343438. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/SEAET1177140.
Musique religieuse, Op. 113: No. 11, Suur' olet, Herra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdadff2d8463c60fc0f5c06de1a4be6c709d399e8ed12b67d1bf43b5caa217c2f. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/SEAET1177150.
Musique religieuse, Op. 113: No. 5, On kaunis maa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80d9ace53b2e6716cd45b5b432588ac871f48bd9cc3606e2fa0d6ce17e6cef6a. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/SEAET1177160.
The Sibelius Edition, Vol. 11: Choral Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc9a778f00adba03228708dd7f7d61da3e04385a091e5da5d82d2faee3f71a44. 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/SEAET1030270.
Viitanen: Firmamentum / Images D'Oiseau Pour Orgue / Voyager
6 Partsongs, Op. 18 (Version for Mixed Chorus): No. 3, Venematka
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb00597ffa79981d32885f58042feedec4353bb4b12f1ae020708c2a8ff6913cb. 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/SEAET1030330.
Finlandia, Op. 26 (Version for Mixed Chorus in A-Flat Major)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96409ee0090cf04b986f099bef2f4560ab914f7b11fa086b84619938efcef4f8. 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/SEAET1031030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e80c1d55201dfac27e2329c823dfe7b82894a5bdeeb82ca1f046214bc1f39a2. 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/FIFCR0900036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b9acdb743948217ba3970bfb769d8af341de0bcb7eae681d8e9382e61acccfe. 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/USR9N1627909.
Sibelius, J.: Sibelius Edition, Vol. 2 - Chamber Music I
The Sibelius Edition, Vol. 13: Miscellaneous Works