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 0xf5dae21710a9b0b943978448c64354f75fdc1043e70f92051f977c79118fd690. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cacaa04b-c76c-4ac3-a63b-f83e78f90641.json and https://artists.proofprofile.net/proofs/artist/cacaa04b-c76c-4ac3-a63b-f83e78f90641.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
2008 Texas Music Educators Association (TMEA): All-State Mixed Choir
The Star Spangled Banner (arr. L. Pfautsch for choir and orchestra)
Texas Tech University Symphony Orchestra
All-night Vigil, Op. 37, "Vespers": Slava
Chichester Psalms: I. Psalm 108:2: Urah, hanevel, v'chinor! (Awake, psaltery and harp) - Psalm 100: Hariu l'Adonai kol haarets (Make a joyful noise unto …)
Chichester Psalms: II. Psalm 23: Adonai ro-i, lo ehsar (The Lord is my shepherd; I shall not want) - Psalm 2:1–4: Lamah rag'shu gayim (Why do the nations rage)
Chichester Psalms: III. Psalm 131: Adonai, Adonai (Lord, Lord) - Psalm 133:1: Hineh mah tov (Behold, how good)
Homeward Bound (arr. M. Wilberg for choir and orchestra)
Wade in the Water (arr. A. Koepke for choir and orchestra)
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 → block OTSBitcoinBlock must exist at that height 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 0xaa44b4ce671ecb3c739e4acc4195697fd83514545f2db4dcbafeac98ec3542bb. 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/USVZX1313610.
Come Thou Fount of Every Blessing (arr. M. Wilberg for choir and orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf5588a61395f9c0f8632e6e4232c92939286551fd0187fd80588beb127b2e5e. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRUF1100419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6fda2296cfeccda84f0eb5acd36e0fd56fc841dac7b5d11752ca15c9371b86e. 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/USRUF1100431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e8877dd8095434a371cce177a649a6d7ebf0ef5a0a0d213673d73859c79e67. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/USRUF1100435.
2016 American Choral Directors Association, Western Division (ACDA): Clovis East High School Women's Choral & Orpheus Male Chorus of Phoenix [Live]
Psalm 150 "Instruments of Praise" (Live)
4 Pezzi sacri: No. 1, Laudi alla Vergine Maria (Arr. K. Soldan for Choir) [Live]
No Time (Arr. S. Brumfield for Choir & Piano) [Live]
Reflections on Humanity: II. If I Were the Velvet Rose (Live)
In the Sweet By and By (Arr. D.J. Hall for Choir & Piano) [Live]
Brightest and Best (Arr. S. Kirchner for Choir) [Live]
Shakespeare Songs: No. 1, When Daisies Pied (Live)
Shakespeare Songs: No. 2, Take, O Take Those Lips Away (Live)
Shakespeare Songs: No. 3, Full Fathom Five (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80c784be0a6aaa73986b5dbd92bcadf5c568b3673cd20468c60ddaade2707572. 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/USHM21939806.
Tell the World: A Live Concert of Spirituals and Traditional Gospel Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5552870e63ffeb89fa70146f597ae09155a546b048387b07be437655eade513. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4BV0893403.
I am on the Battlefield for My Lord (arr. R. Winter)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc29579811c330b3e12d902ffbfd5ed69d11daf88431c35b94582260126dfc259. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4BV0893408.
My Soul's Been Anchored in the Lord (arr. M. Hogan)
Ain' -a that Good News! (arr. W.L. Dawson)
2014 American Choral Directors Association, Western Division (ACDA): High School Honor Choir & Bakersfield High School Chamber Singers [Live]
ACDA Western Division High School Honor Choir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2dd78ba70e9145303106cde91dc95b9f69df264fbf77ccee9246cbdd33dda11. 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/USVZX1407103.
All-Night Vigil, Op. 37 "Vespers": VII. Slava (Live)
Nocturnes: III. Sure on This Shining Night (Live)
Wade in de Water (Arr. A. Koepke) [Live]
Come Thou Fount of Every Blessing (Arr. M. Wilberg) [Live]
Bakersfield High School Chambers Singers
4 Motets pour le temps de Noël, FP 152: No. 2, Quem vidistis pastores dicite (Live)
2019 Texas Music Educators Association (TMEA): Trinity Springs Varsity Treble Choir [Live]
Dobrú Noc (Arr. V. Johnson for Choir, Piano & Violin) [Live]
The Seal Lullaby (Version for Choir & Piano) [Live]