1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x2a7d6032bf3bcb6d4ffc69e3830c35b0523e977aff00b9f90732b6a193972bd3. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5655dcd9-21ca-40b5-a2e7-622360b048cb.json and https://artists.proofprofile.net/proofs/artist/5655dcd9-21ca-40b5-a2e7-622360b048cb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Choral Improvisation on "Coventry Carol"
Coventry Carol (Arr. J. Hudson for Choir & Piano)
Let All Mortal Flesh Keep Silence (Arr. S. Scheibe for Choir, Cello & Piano)
The Dreams That Remain: No. 1, Song of a Dream
The Dreams That Remain: No. 2, In the Forest - No. 3, Transience
Interpolations on Sicut cervus desiderat
{"copyright_id":"0xe5dc246a9dbe5eeeb6fce8c0953f6977609a107777b66ff3ff5aecf0447a323b","isrc":"US7851900009","name":"Sunrise Mass: I. The Spheres","registered_at":"2026-06-06T11:24:24Z","spotify_id":"7FVDhmspr9gn7YVLAAcs4r","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5dc246a9dbe5eeeb6fce8c0953f6977609a107777b66ff3ff5aecf0447a323b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7FVDhmspr9gn7YVLAAcs4r.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7FVDhmspr9gn7YVLAAcs4r.
{"copyright_id":"0xdbf5ce34c070a122ff2fd9596a7bff2033831fdb34f033e37d1a205a443e16ef","isrc":"US7851900010","name":"Sunrise Mass: II. Sunrise","registered_at":"2026-06-08T12:53:51Z","spotify_id":"5JGPdpdgQQ1c9fR7NgONbz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbf5ce34c070a122ff2fd9596a7bff2033831fdb34f033e37d1a205a443e16ef. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5JGPdpdgQQ1c9fR7NgONbz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5JGPdpdgQQ1c9fR7NgONbz.
{"copyright_id":"0x0aa3bc0b25c934f4677ded86a42ddcad24fbb4b6477c33ed6ab8337a9ce8f6eb","isrc":"US7851900011","name":"Sunrise Mass: III. The City","registered_at":"2026-06-09T18:15:36Z","spotify_id":"3AlwKifEhiIKk5Ny5mPg8v","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aa3bc0b25c934f4677ded86a42ddcad24fbb4b6477c33ed6ab8337a9ce8f6eb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3AlwKifEhiIKk5Ny5mPg8v.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AlwKifEhiIKk5Ny5mPg8v.
{"copyright_id":"0xf8a919c70b8a1f5e0f9f8fb7237b4fa9980fdbc0aca81ed60a968483261cb972","isrc":"US7851900012","name":"Sunrise Mass: IV. Identity","registered_at":"2026-06-08T04:13:08Z","spotify_id":"6jc4d3PwJmytqYONMrt7ZA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a919c70b8a1f5e0f9f8fb7237b4fa9980fdbc0aca81ed60a968483261cb972. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6jc4d3PwJmytqYONMrt7ZA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6jc4d3PwJmytqYONMrt7ZA.
{"copyright_id":"0xcfb1d4b0e0fcfb2215c6f6d560f22ab09d2cb3892c0a851f90d4f7bd0fe16044","isrc":"US7851900013","name":"Ave Generosa","registered_at":"2026-06-05T06:07:53Z","spotify_id":"4BMJEQI0nDZvhqYzhbcJFR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfb1d4b0e0fcfb2215c6f6d560f22ab09d2cb3892c0a851f90d4f7bd0fe16044. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4BMJEQI0nDZvhqYzhbcJFR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4BMJEQI0nDZvhqYzhbcJFR.
{"copyright_id":"0xcb192a7d37ad28dd7c27c40b8f897c6bd0defaa300a5afdaf8fdad026327e84c","isrc":"US7851900014","name":"Ave Generosa","registered_at":"2026-06-11T12:28:51Z","spotify_id":"1YutMPSBlxXhTbKkjPO5va","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb192a7d37ad28dd7c27c40b8f897c6bd0defaa300a5afdaf8fdad026327e84c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1YutMPSBlxXhTbKkjPO5va.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1YutMPSBlxXhTbKkjPO5va.
{"copyright_id":"0x9b40bd4ef093fad4384e729a86cdb645b86b12ca8cb40ab37d6baf2f5ee73a6a","isrc":"US7851900015","name":"Ubi Caritas","registered_at":"2026-06-08T13:02:49Z","spotify_id":"6SfPhMMN1fUqAyzOykzL7y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b40bd4ef093fad4384e729a86cdb645b86b12ca8cb40ab37d6baf2f5ee73a6a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6SfPhMMN1fUqAyzOykzL7y.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6SfPhMMN1fUqAyzOykzL7y.
{"copyright_id":"0x0a278ce3ff1470b4984649c942338490b0e5095475dfb464c9b028cff3a7caf2","isrc":"US7851900016","name":"Ubi Caritas II (Through Infinite Ages)","registered_at":"2026-06-18T03:02:52Z","spotify_id":"0QEnPLWHJJbz8RmJBZIPRR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a278ce3ff1470b4984649c942338490b0e5095475dfb464c9b028cff3a7caf2. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0QEnPLWHJJbz8RmJBZIPRR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0QEnPLWHJJbz8RmJBZIPRR.
{"copyright_id":"0x92bba2d5e435919340649d77fbf858866dd199a9096aafc1aa4fcd46ee3e26e2","isrc":"US7851900017","name":"Sacred Heart (Ubi Caritas III)","registered_at":"2026-06-08T21:16:57Z","spotify_id":"5RH5TVCuP6Qangei1qwCN5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92bba2d5e435919340649d77fbf858866dd199a9096aafc1aa4fcd46ee3e26e2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5RH5TVCuP6Qangei1qwCN5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5RH5TVCuP6Qangei1qwCN5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x427aa97c88fdc255e82abd6820ab67cc14084cfd9b775ad694b0b9696016826f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5DzJkQkaJcUaHpE9IrruWC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5DzJkQkaJcUaHpE9IrruWC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4741a79bb650099d136ada02b8de44fc930bf524652ad1dcbacd262d3543b81b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1iiFSwEy5Gvbz35z7Nh2Bm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1iiFSwEy5Gvbz35z7Nh2Bm.
4 Motets sur des thèmes grégoriens, Op. 10: No. 4, Tantum Ergo
{"copyright_id":"0x89cececadc8833a4bf43ebbd0ded427cd18d3d5f71902cc9a60e05ae157e85f2","isrc":"US7851900020","name":"4 Motets sur des thèmes grégoriens, Op. 10: No. 4, Tantum Ergo","registered_at":"2026-06-11T12:31:03Z","spotify_id":"7KeTmVSo5sqpWfX7HbCQn8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89cececadc8833a4bf43ebbd0ded427cd18d3d5f71902cc9a60e05ae157e85f2. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7KeTmVSo5sqpWfX7HbCQn8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7KeTmVSo5sqpWfX7HbCQn8.
6 Sprüche, Op. 79 (Ed. J. Jordan): No. 1, Weihnachten
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32252c448ca171a8bd11c7e3ad09bbe472160c91460110331ac22344972c2c19. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7zbmx9oFZCLvNDUabUQt42.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7zbmx9oFZCLvNDUabUQt42.
6 Sprüche, Op. 79 (Ed. J. Jordan): No. 2, Am Neujahrstage
{"copyright_id":"0xf6a5015bfbf7f17f5a1a71647655d450e03ef0b759ceed81ea805560d8d31d99","isrc":"US7851900022","name":"6 Sprüche, Op. 79 (Ed. J. Jordan): No. 2, Am Neujahrstage","registered_at":"2026-06-19T13:22:18Z","spotify_id":"3voSZCfHI37HtQCZxfF1n3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6a5015bfbf7f17f5a1a71647655d450e03ef0b759ceed81ea805560d8d31d99. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3voSZCfHI37HtQCZxfF1n3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3voSZCfHI37HtQCZxfF1n3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x605241a6be320a99c3c4976e0ebcf8e31115c3ed517a025d660047b99e133da7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0C4iWNVPJKqHIsn3omdMxj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0C4iWNVPJKqHIsn3omdMxj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7075bef216f41c9cbb1fa3a20fc393ee6b60d213c9b0ceab048fffbc40636b9. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/14xvUZ5ZWg4qI3lHbt7PCj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/14xvUZ5ZWg4qI3lHbt7PCj.
3 Choralmotetten, Op. 67: No. 2, Ich bin die Auferstehung
4 Motets sur des thèmes grégoriens, Op. 10: No. 1, Ubi caritas
{"copyright_id":"0xdd1e06fb076e8f42eb6eb77eca4d0f7776f2af70c75408dcf2e0b730e75a4a73","isrc":"US7851700239","name":"Entreat Me Not to Leave You","registered_at":"2026-06-23T02:11:46Z","spotify_id":"5N2PDlxPN8GxmWI2Rba8Ii","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd1e06fb076e8f42eb6eb77eca4d0f7776f2af70c75408dcf2e0b730e75a4a73. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5N2PDlxPN8GxmWI2Rba8Ii.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5N2PDlxPN8GxmWI2Rba8Ii.
3 Motets, Op. 69: No. 1, Herr, nun lässest du deinen Diener in Frieden fahren, MWV B60
Nobody Knows the Trouble I've Seen (Arr. G.B. Poch for Choir)
3 Psalms, Op. 78: No. 2, Psalm 43 "Richte mich, Gott", MWV B46
Whitbourn: Carolae – Music for Christmas
Great and Mighty Wonder (Arr. J. Whitbourn from Es ist ein Ros' entsprungen)
Magnificat & Nunc Dimittis "Collegium Regale": Nunc Dimittis
Christus advenit "Second Christmas Suite": IV. Toccata on Vom Himmel Hoch
Old American Songs II: No. 4, At the River
Hark, I Hear the Harps Eternal (Arr. A. Parker for Choir)
Annelies: I. Introit - Prelude (Chamber Version)
Annelies: II. The capture foretold (Chamber Version)
Annelies: III. The plan to go into hiding (Chamber Version)
Annelies: IV. The last night at home and arrival at the Annexe (Chamber Version)
Annelies: V. Life in hiding (Chamber Version)
Annelies: VII. Fear of capture and the second break-in (Chamber Version)
Annelies: VIII. Kyrie - Sinfonia (Help us, rescue us from This hell) [Chamber Version]
Annelies: IX. The dream (Chamber Version)
Annelies: X. Devastation of the outside world (Chamber Version)
Annelies: XI. Passing of time (Chamber Version)
Annelies: XII. The hope of liberation and a spring awakening (Chamber Version)
Annelies: XIII. The capture and the concentration camp (Chamber Version)
Annelies: XIV. Anne's meditation (Chamber Version)
{"copyright_id":"0x6f827b98fe3cecc7659b0bba247baab77094b4a192db61e035ff4ccaf1cd72ba","isrc":"HKI191133901","name":"Son of God Mass: Introit","registered_at":"2026-06-19T14:58:29Z","spotify_id":"2qlTUls01I8amU8Zzo7dnB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f827b98fe3cecc7659b0bba247baab77094b4a192db61e035ff4ccaf1cd72ba. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2qlTUls01I8amU8Zzo7dnB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qlTUls01I8amU8Zzo7dnB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0259a5266d6194c3537a970e2c470a7f200fe59e1ebce5bcc9c464176b85fde5. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/58PTi4svbh33CIykjjaGlQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58PTi4svbh33CIykjjaGlQ.
{"copyright_id":"0x4e62df5cad74f8eb49d0a820d82288cfa6774b864a24ca85c9a0ab9217e83f2e","isrc":"HKI191133903","name":"Son of God Mass: Kyrie meditation","registered_at":"2026-06-10T05:40:01Z","spotify_id":"387GMC3GXBfYrLG5gfsGe5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e62df5cad74f8eb49d0a820d82288cfa6774b864a24ca85c9a0ab9217e83f2e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/387GMC3GXBfYrLG5gfsGe5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/387GMC3GXBfYrLG5gfsGe5.
{"copyright_id":"0xc17394ce96cb2001f1d40c49501b0af5693fe6e02e1a65c011ed6b8759ca9c33","isrc":"HKI191133904","name":"Son of God Mass: Gloria","registered_at":"2026-06-06T13:02:37Z","spotify_id":"6PuksqmdjFDbKPzRsE4KIK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc17394ce96cb2001f1d40c49501b0af5693fe6e02e1a65c011ed6b8759ca9c33. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6PuksqmdjFDbKPzRsE4KIK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PuksqmdjFDbKPzRsE4KIK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4348fb55bc5ffc50073ff293369b590fd7222c8e86732ef530ac7a3fe3d28c5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2wQ72louu47O7eAjIHS2Vc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wQ72louu47O7eAjIHS2Vc.
{"copyright_id":"0x4ff589e564e692eaa17a1792ddd3fbf83162d21c0fa3200ae4ae0db26c97ca7e","isrc":"HKI191133906","name":"Son of God Mass: Sanctus and Benedictus","registered_at":"2026-06-07T14:36:43Z","spotify_id":"4x7ZfKS312BsZzQC8SaqDx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ff589e564e692eaa17a1792ddd3fbf83162d21c0fa3200ae4ae0db26c97ca7e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4x7ZfKS312BsZzQC8SaqDx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4x7ZfKS312BsZzQC8SaqDx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1c3ed97d1a73c5418360c453f84d906f104ef0108d199479746a87f1c66f398. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2QEf2c8dXH27SBIYqfKkaH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2QEf2c8dXH27SBIYqfKkaH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58b1540e0f56bffdf5d6d9702f1a566c6d03b8f19632b1f561f7b463f8287394. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/03slnS6W5z6QcrJ901TU6F.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/03slnS6W5z6QcrJ901TU6F.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf9f9ff9d2b2a4ad59129d390c9d824e696eb01e8c418607280007c9dce0f4d2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/273cwBoVYyxQZiEQM3jTF1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/273cwBoVYyxQZiEQM3jTF1.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceb6f44ae81eb13fb812b20d9dfe6b4660210cb3b08a86334ce8deaecbcbc10b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0prVQGwwOta7ijfJs3btY3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0prVQGwwOta7ijfJs3btY3.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x784a0fb1793bdeb6a2e8a8804679ed1c36dca8561eef82ff6133e72a3ae836eb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2E6Jd8WLVc0ezj0QK3nxMp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2E6Jd8WLVc0ezj0QK3nxMp.
A brief story of Peter Abelard (verson for soprano saxophone and organ)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x317a382e24ff21244d24d15ce77fc23884a6fe443cd12dca1451a262c9c13010. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Bx92gIi3TJ4slEWyzK6xy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Bx92gIi3TJ4slEWyzK6xy.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e1cf1dd33b0c9cea56d75612a4447a83570fc5660b9ab0f439f87234fceba6e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/57h3qsCSy8bBcCFhtoLc3n.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/57h3qsCSy8bBcCFhtoLc3n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94e0dc274676061ec6e8fd777780591a7d7d5f15dbcb6e4bafed9c7c257cc55d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6x1C2D1W0Nohfr18bcNRuw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6x1C2D1W0Nohfr18bcNRuw.
{"copyright_id":"0x56e48cd2dd0ef56bf2525a94443377809ffcba4b67b714bede20d281cec66048","isrc":"HKI191133915","name":"Requiem canticorum: Introit","registered_at":"2026-06-20T09:35:47Z","spotify_id":"0tUtxkPmpm6WRhwBI2NepO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56e48cd2dd0ef56bf2525a94443377809ffcba4b67b714bede20d281cec66048. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0tUtxkPmpm6WRhwBI2NepO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0tUtxkPmpm6WRhwBI2NepO.
{"copyright_id":"0x13b35e08c97bd3374becbd718ce9abe7fdbc811634f5d373232038356f6e9b4a","isrc":"HKI191133916","name":"Requiem canticorum: Pie Jesu","registered_at":"2026-06-07T21:06:52Z","spotify_id":"30cE4JkbLbIT8Bt18PwALW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13b35e08c97bd3374becbd718ce9abe7fdbc811634f5d373232038356f6e9b4a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/30cE4JkbLbIT8Bt18PwALW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/30cE4JkbLbIT8Bt18PwALW.
{"copyright_id":"0x4ef2918b24aeab7b541cf0d7e06e95089504c641b7c5e6d64cb5e0cebefb17f3","isrc":"HKI191133917","name":"Requiem canticorum: Alleluia","registered_at":"2026-06-08T13:33:31Z","spotify_id":"0XdKLYElKyKgqP2Yi8qsLC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ef2918b24aeab7b541cf0d7e06e95089504c641b7c5e6d64cb5e0cebefb17f3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0XdKLYElKyKgqP2Yi8qsLC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0XdKLYElKyKgqP2Yi8qsLC.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8e571f4a19ef680ca3783f3cd746c5f3caea2ce47f625bebc9cf77183a4fe46. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Mz4j8oTa6UPQgZgupiF7b.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Mz4j8oTa6UPQgZgupiF7b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x981d5c0b606001766568a5a91e503178174793fb5574d41714fe8948732b5357. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4XxWXgjYtPtDvSYAoXZkCh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4XxWXgjYtPtDvSYAoXZkCh.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d03080e6e9204a11aebbeed1d4ec0b394706c99f37f9c6c3a00dacbf92f983. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7LBUnC3Sds5YgxOw1dPNpU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7LBUnC3Sds5YgxOw1dPNpU.
Concert Artists of Baltimore Symphonic Chorale
Ding! Dong! Merrily on High (Arr. A. Pitts for Choir)
Go, Tell It on the Mountain (Arr. B.A. Red)
Tomorrow Shall Be My Dancing Day (Arr. S. Nicholson for Choir & Organ)
Lo, there a Rose Is blooming (Arr. A. Pitts)
Hark! The Herald Angels Sing (Arr. D. Willcocks for Choir)
God Rest Ye Merry, Gentlemen (Arr. D. Willcocks for Choir)
The Choral Arts Society of Washington Orchestra
The First Nowell (Arr. P. Halley and J. Stainer for Choir & Organ)
Polish National Radio Symphony Orchestra
Messiah, HWV 56, Pt. 2: No. 44, Hallelujah
No. 2, Lied (Arr. M. Wilberg for Choir & Orchestra) [Live]
Here We Come a-Wassailing (Arr. J. Rutter)
In dulci jubilo (Arr. John Rutter for Choir and Orchestra)
God Rest Ye Merry, Gentlemen (Arr. for Double Bass & Piano by Thomas Gustavsson)
Carol of the Bells - We Three Kings of Orient Are
The First Nowell (Arr. R. Hayward for Guitar)
Shepherd's Pipe Carol (Arr. for Brass Band by Peter Graham)
Away in a Manger (Arr. D. Willcocks for Soprano & Choir)
Deck the Halls (Arr. P. Breiner for orchestra)
5 English Folk Songs: No. 5, Wassail Song
Dagen är kommen [arr. R. Sund and J. Bexelius]
What Child Is This (Arr. P. Breiner for orchestra)
Little Drummer Boy, "Carol of the Drum" (Arr. P. Breiner for orchestra)
We Three Kings of Orient Are (Arr. R. Elms)
Ding Dong! Merrily on High (Arr. for Choir & Organ by Stuart Nicholson)
Silent Night (Arr. S. Chinsen for Choir & Organ)
Angels from the Realm of Glory (Arr. L. Strand)
The Wexford Carol (Arr. J. Loman for voice and harp)
Sussex Carol "On Christmas Night All Christians Sing" (Arr. for Choir & Organ by David Willcocks)
O Tannenbaum (Arr. R. Hayward for Guitar)
I Wonder as I Wander (Arr. J. Loman for voice and harp)
We Wish You a Merry Christmas (Arr. J. Rutter)