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 0xc94741f805d2b89194c6a39ea3625e25365d167758c884c350e66d388deebd2f. 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/3a3130bb-ff40-4b42-ba95-9a663be7c039.json and https://artists.proofprofile.net/proofs/artist/3a3130bb-ff40-4b42-ba95-9a663be7c039.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Traditional Hymns, Vol. 6 (Organ Accompaniments)
Traditional Hymns, Vol. 4 (Organ Accompaniments)
Traditional Hymns, Vol. 1 (Organ Accompaniments)
Traditional Hymns, Vol. 5 (Organ Accompaniments)
Traditional Hymns, Vol. 2 (Organ Accompaniments)
The Church's One Foundation - Aurelia - Instrumental Version
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 0xa20858cc9d15445dbd80f54980b1829a5993e3e7f4d6e3118e5457de28256d5f. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/GBKPL1259449.
Traditional Hymns, Vol. 3 (Organ Accompaniments)
Christmas Carols, Vol. 1 (Organ Accompaniments)
I Vow to Thee My Country, Thaxted - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b6ebcff2e384dd343256be8172e5298e92bc8279aa718b9a2a06417c5753297. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/GBKPL1258874.
The Lord's My Shepherd, Crimond - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x718a043805687d4327bbe709a20c7e0fb609f8478da838840daecc652fbabcc6. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBKPL1258884.
Inspirational Hymns, Vol. 4 (Organ Accompaniments)
Junior Worship, Vol. 1 (Piano Accompaniments)
Inspirational Hymns, Vol. 2 (Organ Accompaniments)
Inspirational Hymns, Vol. 1 (Organ Accompaniments)
Traditional Hymns, Vol. 8 (Organ Accompaniments)
Traditional Hymns, Vol. 7 (Organ Accompaniments)
Catholic Hymns, Vol. 1 (Organ Accompaniments)
Hail Holy Queen Enthroned Above - Salve Regina Coelitum - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a17fa27ba5c609d968e058e76ac7c31885148080f6ae81ee79ba2b4739c8b1d. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T15:52:41Z), 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/GBKPL1260343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb99b9222f3b3d59e143e42ebb1bcd3c6afed43400851afabc7e12b60d7dd9ae. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/GBKPL1256656.
Wedding March (A Midsummer Night's Dream)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x181cfd9a32bea28d7036257ee19bcdc61b9a9e5a4b053d047336b30cf36a0a76. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T06:58:28Z), 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/GBKPL1256657.
Devotional Hymns, Vol. 3 (Organ Accompaniments)
Devotional Hymns, Vol. 1 (Organ Accompaniments)
Devotional Hymns, Vol. 2 (Organ Accompaniments)
Devotional Hymns, Vol. 4 (Organ Accompaniments)
Seventh Day Adventist Hymns, Vol. 2 (Organ Accompaniments)
Seventh Day Adventist Hymns, Vol. 1 (Organ Accompaniments)
Fade Fade Each Earthly Joy (Perkins) [Instrumental Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3096cb21b23c315273d3a7546dc14f3a5cd2aa57477ccfe4a986f1469bae350b. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/GBKPL1262540.
Christmas Carols, Vol. 2 (Organ Accompaniments)
Inspirational Hymns, Vol. 3 (Organ Accompaniments)
Easter Hymns, Vol. 3 (Organ Accompaniments)
Easter Hymns, Vol. 2 (Organ Accompaniments)
Easter Hymns, Vol. 1 (Organ Accompaniments)
Methodist Hymns, Vol. 2 (Organ Accompaniments)
Methodist Hymns, Vol. 1 (Organ Accompaniments)
Worship Songs, Vol. 1 (Piano Accompaniments)
Worship Songs, Vol. 2 (Piano Accompaniments)
Worship Songs, Vol. 3 (Piano Accompaniments)
Junior Worship, Vol. 2 (Piano Accompaniments)
Junior Worship, Vol. 3 (Piano Accompaniments)
Worship Songs, Vol. 4 (Piano Accompaniments)
Communion Hymns, Vol. 3 (Organ Accompaniments)
Communion Hymns, Vol. 1 (Organ Accompaniments)
Communion Hymns, Vol. 2 (Organ Accompaniments)
Service Settings, Vol. 1 (Organ Accompaniments)
Sanctus and Benedictus (Catholic Hymn Book, Mass Xviii) [Instrumental Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d5ac15bd8bd6203028bd20003165a1c6896c1e3172d2a8f7eededd9b2831e14. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBKPL1265023.
Catholic Hymns, Vol. 2 (Organ Accompaniments)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8895ec064c0f5ada588619a5368a66bb791dd7f9fa666e1238303d651e2d61e. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/GBKPL1256612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x374d7888e0d5b162fad19d46a4cd6548d247ab0250b2ba4aabbae07e3219ad9d. Chain 2 (Bitcoin): anchored in block 958776 (2026-07-19T20:11:59Z), 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/GBKPL1256613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc304ff369386d31dacdbcbe80f2fea8131daa76a0eaa61dd06cdc5c47d6de852. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/GBKPL1256615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5095fb0c59f583e5eb8e5ecead44001f2a368c0b35dde7df7e4ce62a5bd5249. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-20T00:08:46Z), 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/GBKPL1256616.
Hymns and Praise, Vol. 1 (Organ Accompaniments)
Hymns and Praise, Vol. 3 (Organ Accompaniments)
Hymns and Praise, Vol. 2 (Organ Accompaniments)
Uplifting Hymns, Vol. 1 (Organ Accompaniments)
Hymns and Praise, Vol. 4 (Organ Accompaniments)
Hymns and Praise, Vol. 5 (Organ Accompaniments)
Service Settings, Vol. 2 (Organ Accompaniments)
Gloria (Catholic Hymn Book, Mass VIII) [Instrumental Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x295d18c8f2bb9a5dfbf2407da1018e003c1ce848125cded22e0f22826b7ca66b. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/GBKPL1265260.
Ultimate Hymn Organ Accompaniments, Vol. 1
Ultimate Hymn Organ Accompaniments, Vol. 2
Ultimate Hymn Organ Accompaniments, Vol. 4
Ultimate Hymn Organ Accompaniments, Vol. 5
Ultimate Hymn Organ Accompaniments, Vol. 3
Ultimate Hymn Organ Accompaniments, Vol. 6
Ultimate Hymn Organ Accompaniments, Vol. 7
Ultimate Hymn Organ Accompaniments, Vol. 8
Ultimate Hymn Organ Accompaniments, Vol. 9 (Instrumental Version)
Ultimate Hymn Organ Accompaniments, Vol. 10
Ultimate Hymn Organ Accompaniments, Vol. 11
Ultimate Hymn Organ Accompaniments, Vol. 12
Ultimate Hymn Organ Accompaniments, Vol. 13
Ultimate Hymn Organ Accompaniments, Vol. 14
Ultimate Hymn Organ Accompaniments, Vol. 15
Ultimate Hymn Organ Accompaniments, Vol. 16
Ultimate Hymn Organ Accompaniments, Vol. 17
Ultimate Hymn Organ Accompaniments, Vol. 18
Ultimate Hymn Organ Accompaniments, Vol. 19
Ultimate Hymn Organ Accompaniments, Vol. 21
Ultimate Hymn Organ Accompaniments, Vol. 20
Ultimate Hymn Organ Accompaniments, Vol. 22
Ultimate Hymn Organ Accompaniments, Vol. 23
Ultimate Hymn Organ Accompaniments, Vol. 24
Ultimate Hymn Organ Accompaniments, Vol. 25
Ultimate Hymn Organ Accompaniments, Vol. 26
Ultimate Hymn Organ Accompaniments, Vol. 27
Ultimate Hymn Organ Accompaniments, Vol. 28
Ultimate Hymn Organ Accompaniments, Vol. 29
Hymns and Praise, Vol. 6 (Organ Accompaniments)
Ultimate Hymn Organ Accompaniments, Vol. 30
Ultimate Hymn Organ Accompaniments, Vol. 31
Ultimate Hymn Organ Accompaniments, Vol. 32
O God of Earth and Altar (King's Lynn) - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d138a3143674bffd00bff45a9a280ee9375b5da7082c85096481213a341766f. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/GBKPL1378906.
Ultimate Hymn Organ Accompaniments, Vol. 33
Ultimate Hymn Organ Accompaniments, Vol. 34
Ultimate Hymn Organ Accompaniments, Vol. 35
Ultimate Hymn Organ Accompaniments, Vol. 36
Ultimate Hymn Organ Accompaniments, Vol. 37
Ultimate Hymn Organ Accompaniments, Vol. 38
Ultimate Hymn Organ Accompaniments, Vol. 39
Ultimate Hymn Organ Accompaniments, Vol. 40
Ultimate Hymn Organ Accompaniments, Vol. 41
Ultimate Hymn Organ Accompaniments, Vol. 42
O God Beyond All Praising (Thaxted) - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfad3e338f49fd5b11ac598611362ed6a7a30b52192f7e9995e53ee68534978d1. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), 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/GBKPL1414859.
Ultimate Hymn Organ Accompaniments, Vol. 43
Ultimate Hymn Organ Accompaniments, Vol. 44
Seek Ye First (The Kingdom of God) - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22a9c0f143c35559461702c8ea8c1ed91294cae457c11128eba3d36f1c6a6a05. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T22:20:00Z), 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/GBKPL1417270.
Ultimate Hymn Organ Accompaniments, Vol. 45
Ultimate Hymn Organ Accompaniments, Vol. 46
Ultimate Hymn Organ Accompaniments, Vol. 47
Methodist Hymns Organ Accompaniments, Vol. 3
Hymns and Praise Organ and Piano Accompaniments 7
Methodist Hymns Organ Accompaniments, Vol. 4
Hymns and Praise Organ and Piano Accompaniments, Vol. 8
Ultimate Carol Organ Accompaniments, Vol. 1
O Come, O Come, Emmanuel - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3283ee12660e3732b76b75ff71d8fc8cf36c8f1f00e62084deb6bb9105352a5b. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:04:50Z), 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/GBKPL1675291.
Ultimate Carol Organ Accompaniments, Vol. 2
Ultimate Carol Organ Accompaniments, Vol. 3
Ultimate Carol Organ Accompaniments, Vol. 4 (Instrumentals)
Ultimate Carol Organ Accompaniments, Vol. 5
Silent Night! Holy Night! (Stille Nacht) - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaac4c82fa2353ddb26fbd9a83e3165e6cb95e9822635d4c8bb1d7d0f71741581. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/GBKPL1787611.
Ultimate Carol Organ Accompaniments, Vol. 6
Anglican Chant Canticle Organ Accompaniments (Instrumental)
Devotional Hymns Organ Accompaniments, Vol. 5
Hymns and Songs for Children, Vol. 2 (Organ Accompaniments)
Prayerful Hymns Organ Accompaniments, Vol. 1
Prayerful Hymns Organ Accompaniments, Vol. 2
Prayerful Hymns Organ Accompaniments, Vol. 3
Prayerful Hymns: Organ Accompaniments, Vol. 4
Service Settings Organ Accompaniments 3: Episcopal
Organ Music for Lent, Palm Sunday and Holy Week
Hymns and Praise Organ and Piano Accompaniments, Vol. 9
More Traditional Hymns Organ Accompaniments 1
More Traditional Hymns Organ Accompaniments 2
More Traditional Hymns Organ Accompaniments 3
More Traditional Hymns Organ Accompaniments 4
More Traditional Hymns Organ Accompaniments 5
More Traditional Hymns Organ Accompaniments 7
More Traditional Hymns Organ Accompaniments 6
More Traditional Hymns Organ Accompaniments 8
More Traditional Hymns Organ Accompaniments 9
More Traditional Hymns Organ Accompaniments 10
Blessed Joseph yours the Praise (Warton)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dafdaecde51e6b20d7b552b5baa30541d914aa2459c5a2d11e2ffe6791eca3e. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T18:27:17Z), 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/QMFMF2449206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f6acaccce6717fad8084804b05a75e33b45a581f6e34acbc4fc516bfa1cd70a. 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/GBKPL1264142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56bbb1cae170c27c12c53a84ea3ef72f6ce82010b4d381bfe8c1e63425b1512a. 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/GBKPL1264146.
Vasari Singers/John Keys/Jeremy Backhouse
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf78cf32964441e9c9e6d62aeb09debf0c4950b2ced183e3e308659d386ff108. 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/GBAYD9500247.
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