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 0x50182b92f438ec9e3c72150a30e9897e3148d3c6b28f7fb4c06714497d96e4a9. 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/865849d5-4efa-469f-a24f-988b10d53cc6.json and https://artists.proofprofile.net/proofs/artist/865849d5-4efa-469f-a24f-988b10d53cc6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Oxford Book of Flexible Choral Songs
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 0xfb8b87c35755aa61abf2278a987e8fc93177aa017b9d867925847d0ef2e096ff. 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/GBN3Q1901592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c892d07e590385d579e1db4e2f7e2ff2ab981f741dcada9a1c588bffb63915a. 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/GBN3Q1901595.
2000 Texas Music Educators Association (TMEA): All-State Mixed Chorus & All-State Women's Chorus
2013 Florida Music Educators Association (FMEA): All-State Elementary Chorus, All-State Middle School Treble Chorus & All-State Middle School Mixed Chorus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d5697ddce5c87d3f6b8af2643b2319b50c3d64580ef0b9c12032312d8515eed. 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/USX9P2030438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x992df397ddc5d2cb409310afd41a9adc1a41fb0ca989f0e1adc392e0f8aac193. 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/CA4Q32300686.
2011 Texas Music Educators Association (TMEA): Garland High School A cappella Women
2018 Texas Music Educators Association (TMEA): Seven Lakes Junior High Varsity Treble Choir [Live]
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.
2010 Texas Music Educators Association (TMEA): Texas Two-Year College All-State Choir & Juan Seguin HS Chamber Choir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ed20edf2509c8dc8ec3c00c3a2769c597f66fae5ef086268af1350e45689d58. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/USVZX1220004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ae6029d13707bf0bfed53bb83863c1527fea007346cd5cafc3558b6c480363. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USVZX1220017.
Pilgrim Song (Arr. R. Murphy for Choir & Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15da51d42479f976b20c698fd375c5980df80f9e2cf5ad39cad496e0714670d0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USRUF1010381.
Lead, Kindly Light (Arr. M. Wilberg for Choir & Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x111f2ab4763a2aa55275efd4e267b827f8b12f5440cb71b8797dc49f1cf294de. 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/USRUF1010382.
Homeward Bound (Arr. J. Althouse for Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30bbf7a5f36956e851fe287e1e1c01e59597d4e0aceeef960afc128ca821b630. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USRUF1010383.
Tannhäuser, WWV 70: Beglückt darf nun dich "Pilgrims' Chorus" (Arr. for Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x916f8c39fb6a44415b1045dd97ffa9eac286abddf2a7e84368e4ac9ca2c71646. 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/USRUF1010384.
Saints Bound for Heaven (Arr. H. Helvey for Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe53ac718b65b57d38680f408f2d3ce7d50ad72a453fd60bcc498d2b912d8c7e. 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/USRUF1010385.
Ain't That News (Arr. S. Hatfield for Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x754d0a94fd05501db2cdc601feb7544e0ce4547e273f9b9e9b5298a9c8a3f716. 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/USRUF1010387.
Have I Done Any Good? (Arr. D. Zabriskie for Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3abec4110bb122fbff226735c6b01a9c946719668eca7f377fe357235c5929e7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USRUF1010388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb75e4b96c653b9c204c3bca2a5e2acc8fc67eafe4650a122b1bc6add33c5f53. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USRUF1010389.
Hallelujah (Arr. J.S. Applonie for Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ea3191c03fa939361bf62a49843b90c9a59a7e4b729861076897c75e4aaba05. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USRUF1010393.
Come, Come Ye Saints (Arr. L.J. Robertson for Choir & Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x096dc4a77130e2f8eada4016b9cfcd2675929910ac30a8660bf292de95cc0a2c. 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/USRUF1010397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001bb78456f6a8fdd58235b80d58bd3a46839d6ffbeb488ff982b95dfec66e0c. 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/QMDA71460055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d0852e16a8443727a197095f012d8e21cb552af0e0ac9cf085cbaeb2b3c5dc. 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/QMDA71460059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe55af5683b76aab4a2b1fca60e7d1566c995ee573bd491005b2128cd854d5feb. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/QMDA71460067.
Homeward Bound (Arr. M. Wilberg for Choir & 2 Pianos) [Live]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fc2b8187615f2a6b1d02bfd88432e705646b810ca48eb7e5fbb4707548ce770. 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/USVZX1615419.
Florida Music Educators Association 2011 In-Service Clinic Conference and All-State Concerts - All-State Elementary and Middle School Chorus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb71b7c736afca567546d5bc6b55b2ad2cc693fb714bbf409335c0fe2a4d2abaa. 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/USVZX1111505.
Ave Dulcissima Maria (feat. Morten Lauridsen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae623c6ed36852de08e67f7d00d62570da736d2ecf801381b4a7689f1bfcb8a2. 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/CAI371010074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e529d8dc44e2cd56e1145d000d8710ebbac4ff4f4c779615daa2bd166d90d0a. 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/CAI371010076.
Soldier's Cry (feat. Roland Majeau, Trent Worthington)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x779ae26e85027c2e691130aa061cff6a59602c28f5cfc5cb9ee4ed47662a9f46. 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/CAI371010084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cd3febc358efefd31195fb90c4a07251fde02fad3f0c4c0858cf2d62458e8da. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/CAI370915831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdffd633b8bacfeb9f368f062260f212fbf637dd59b8436ee0576146235de8412. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/CAI370915835.
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
BaShana Haba'ah (arr. V. Shields for choir and chamber ensemble)
Northwest Girlchoir Instrumental Ensemble
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa53d12e1ec2a86775ff0b50850a0de7edd758cbcaeaad3436d63b3bf328100ee. 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/USAR99710907.
I'm Goin' Up a Yonder (arr. M. Sirvatka for choir and piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f0fc056509b13ebe1ab52e8c854f747453d4cda06bc470f14d17bc80cc2519d. 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/USAR99710913.
Kentucky Music Educators Association 53rd Annual Service Conference - All-State TTBB Chorus / All-State SATB Chorus / All-State SSAA Chorus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x983b40437715f73c7dac2716b07cc3ca525550ec0b5d4b46d73069fcd3247d03. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USVZX1113617.
2004 Texas Music Educators Association (TMEA): All-State Mixed Choir, All-State Trebel Choir & All-State Tenor/Bass Choir
Ride On, King Jesus (arr. M. Hogan for choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a77879b2d02f4e61ec1558675742346d84fc875a970fa43b3ebb05f8c2c1186. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USVZX1315916.
When icicles hang by the wall (from 'Hark, Hark, the Lark') - Upper Voices
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66a4eab1a11db23fc8d3ee1642696596e52ab39182be42f02e53411b34028da3. 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/GBN3Q1501301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40a8e2ec088a0e93104f5978310061a16438c9814f60060ee96b48e1c08cba10. 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/GBN3Q1501307.
Antara Korai-Voces Blancas de Alcorcón. EMM Manuel de Falla
2014 Texas Music Educators Association (TMEA): Vines High School Chorale Women [Live]
Do Not Stand at My Grave and Weep (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d9f2deb5dc01cdad8294396eadf3f682f522b8523ac58401432e84ad1ccb2e3. 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/USVZX1405904.
When I Survey the Wondrous Cross (arr. G.M. Martin)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc68f3120fa146f2b3dca14655c0adcb5c11d2869ed438452f3e9ca0ac1b5d805. 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/USVZX1212914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc858f4061bd500d76612f8a88a43ac0e9f656a095f9b2cd140ce6456778c233. 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/USVZX1212917.
Florida Music Educators Association 2011 In-Service Clinic Conference and All-State Concerts - Florida All-State Men's Chorus / Florida All-State Women's Chorus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1387461dcda9a309baf255d2373a89b1a54b80bbcd8f1f73893f395677ab0135. 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/USA371364199.
Inspirations contemporaines : OEuvres pour choeur de femmes a capella du Xxème siècle
2014 American Choral Directors Association, Western Division (ACDA): Harvard-Westlake Middle School Madrigals & Foothill High School Madrigal Singers [Live]
2011 Texas Music Educators Association (TMEA): Midway High School Men’s Choir
2015 Texas Music Educators Association (TMEA): Highland Park Lassies Varsity Women's Choir [Live]
2012 Texas Music Educators Association (TMEA): Allen High School Chorale
2014 Illinois Music Educators Association (ILMEA): Honors Chorus & All-State Chorus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a89260eafcb74e15354eb9cce8d965031cfe06a8630ddd17fdc5900824350ff. 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/USVZX1401705.
2015 Texas Music Educators Association (TMEA): Eddins Elementary School Honor Choir [Live]