YL Male Voice Choir (formerly: Helsinki University Chorus; ) was founded by P. J. Hannikainen in 1883 to become the choir of the Helsinki University. It is also the oldest Finnish-language choir. Nowa
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 0x9b02d64fc1995adf558c7e4e5dca014f5bf81d133c3cd99c5e76f66df6b51629. 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/b7aa353e-ef3f-460f-8430-053e1ac7bd23.json and https://artists.proofprofile.net/proofs/artist/b7aa353e-ef3f-460f-8430-053e1ac7bd23.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jean Sibelius: Kullervo, Op. 7 - Olli Kortekangas: Migrations
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.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x396546c660ef018a05af7fb8925c67aa7827a5c011be38998002ca18911dd911. 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/FIYLL1800001.
Siell’ on kauan jo kukkineet omenapuut, Op. 11/1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed1b09c8f5e3b9c868e7aa0efd67c2d9d65575f86660511a40188bf8fc0a2bc2. 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/FIYLL1800002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa74a5dd4f479b38cebfbae4d2b942c00cda35c12db0e99631edc16d0717076a7. 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/FIYLL1800011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bc827e7bda1b3265e44cf8d09dda08d986809a703368747cbb462b964be809c. 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/FIYLL1800015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45ccef752f90164114333a25db35a53fe7ca8736c3cec3c8de84ff8006db63f2. 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/FIYLL1800017.
Kävellä reunalla jolta voi pudota peltoon
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea8e47d79338802c7c1d36b2b1acfabcd949b125bff0a9cb058a6a87ed04f2ca. 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/FIYLL1800018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x011cc8aae68cb3de96b8715f31dca9914890ce424f3d684dfb741c80c49c555e. 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/FIYLL1700001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcab8056e859b154968aa68f7aaa89fa37216f742720ef51a08fa369828df996e. 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/FIYLL1700002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeffc9abbce5855ef9b83d3c0b163231bb69bd1250ea65574128dc47f26eed71d. 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/FIFIN1400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb01a21e2306d241b876e0baef6c3d42bdbbbf26d29a7086bc0ce7858546e0c2. 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/FIFIN1400012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96bd85bc572ab7f98a2da75be8a6188c7b2a98d4e0feb73f11b585bccde87e42. 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/FINDE0900029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28bc3a2bd5cb385fcfc8088f151b20fb7d24117a5364247d7f959c4f9602fc95. 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/FINDE0900030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fee52d83680631beeaff3f6ff942e49696a43a0e2dcfe41a936867ad839234e. 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/FINDE0900033.
Porilaisten marssi (March of the Pori regiment) (arr. F. Pacius for choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27940a086d61e319af65691e299794632030964337f9912e0889f7649957d96b. 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/FINDE0900034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x840a5039a836b0f700f1356a9778c8f8019423a0820292dc9fdbc422e6774ae4. 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/FINDE0900035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc642a6b5d354465b2ff250d0535010dac4c2c688d3cf1f53834ae0342eb98e4d. 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/FINDE0900037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x223063bf34f232077fdc18501a5771669f3a2c1398ff64af831031f281c75d1b. 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/FINDE0900038.
Toivo Kuula : Nuku virta helmassa meren - Complete Songs For Male Voice Choir
Kuula : Metsän kuninkaalle, Op. 4: No. 1 (To The King Of The Forest)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe98460e4cd8e13a4a5cb9c32e7949f32e81cf0372e401bcfe1f30ccfe7fd9cf6. 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/FIFIN1300007.
Kuula : Virta venhettä vie, Op. 4: No. 5a (Drifting On The Stream)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed61627b024dc449c217a558f73608cdbb8ba5160a104d0185f45cb692740dea. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FIFIN1300003.
Sibelius, J.: Partsongs / Vapautettu Kuningatar / Rakastava / Laulu Lemminkaiselle (Yl Male Voice Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8907356d89f07b3489069ea079e798c7c6a095c0b6b39201960e7317c4399c9. 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/FIFIN0300149.
Sibelius: 9 Songs, Op. 23: No. 6a, Soi kunniaksi Luojan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9515f85fba2aa21c7c7e6a569ea414b76e2d1aaa41e9fa3584d9f20b5dd44bc6. 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/FIFIN0300150.
Sibelius: 6 Songs, Op. 18: No. 6, Sydämeni laulu
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd0219cea93fbd63b98a9395becb40777e162b777750c5174b9dff95fe62c735. 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/FIFIN0300152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2962e58c48af72077bdf8072deca9506782936408b6c204170c402f4b2b56970. 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/FIFIN0300180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5f13e1b68c78aab8f6d830ffa3274ac65085bd93c30dff901b6329a4a8e0bda. 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/FIFIN0200003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b11e12da3268dd7551c9de68bd1489a3800aafed31b2bde1fe72965fe22c187. 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/FIFIN0000328.
Arkihuolesi kaikki heitä - Cast off Thy Everyday Cares
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0947cdc269063d549303ee60d5326749d1dd76328e83de1f4023dc77ae4fcea. 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/FIFIN0000329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571e1ec57679472cd88ea55df63c0fa2cac477acabfee346f690566f644496fe. 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/FIFIN0000333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c62685eec413defca11ffae1d1629c1964d24345873934ce5aea910dc7074a4. 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/FIFIN0000338.
En etsi valtaa loistoa -Giv mig ej glans, ej guld, ej prakt- - Give me neither power nor splendour
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45b63cd968436fcc8b55ed7894642f505893081f11d008542a4bcaa08f2d4477. 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/FIFIN0000340.
Selim Palmgren: Complete Songs for Male Voice Choir Vol. 4
Kinesis / New Finnish Works for Male Voice Choir
Toivo Kuula : Complete Songs for Male Voice Choir
Selim Palmgren: Complete Songs for Male Voice Choir Vol. 3
Leevi Madetoja: Complete Songs for Male Voice Choir Vol. 3
Leevi Madetoja: Complete Songs for Male Voice Choir Vol. 2
Leevi Madetoja: Complete Songs for Male Voice Choir Vol. 1
Trad / Arr Faltin: Sä kasvoit neito kaunoinen (Fair Maid, Thou Grewest Up)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07c6c7782780ed686e439fea9e4613f8ba7745cd87d07bac10a1858eb0f160dc. 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/FIFIN9200064.
Trad / Arr Maasalo : Jos voisin laulaa kuin lintu voi (If I Could Sing Like a Bird)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c591367adb8660fb0efa5b7f92d4a3db18cdb53a49ed24bcac8291a2fb9e75f. 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/FIFIN9202200.
Palmgren : Serenadi: "Oi herää, armas" (Serenade: "Awake, O My Darling")
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Granqvist: En voi sua unhottaa poies (I Can Never Forget Thee)
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Bergman : Mieskuorolauluja / Songs for Male Voice Choir
Ylioppilaskunnan Laulajat - YL Male Voice Choir
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x694868008a77db07fb1190e08384bbd45f0be0e0b6618d3433ac54a168242a55. 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/TCAFL2115023.
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Madetoja : Valkeat kaupungit Op.8 No.5 [White Cities]
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The Sibelius Edition, Vol. 11: Choral Music
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45b63cd968436fcc8b55ed7894642f505893081f11d008542a4bcaa08f2d4477. 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/FIFIN0000340.