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 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
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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb8b87c35755aa61abf2278a987e8fc93177aa017b9d867925847d0ef2e096ff. 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/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.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5434e7ae559543ccc70a074cf9dfa50f3970d50cdbfe0f0f1d3cf241c841477b. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBN3Q1901598.
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 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/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.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83ca6ce43fd3f2e0f942451913d5835bc596fbb148c974c38d55b3442198272a. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/USL4R2102664.
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]
Seven Lakes Junior High Varsity Treble Choir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5a603390ba943c335b89fd1817b6948e3c6c21863a2a552cc1e3e197dcc385. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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/USVZX1809807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7a1f44b89c40910743523073303153bdf0950bf94dcb1b37cfe4a3df8cf8fbd. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/USRUF1100417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85939ffb47d33c97b6de5b46d571389ffb0fe8f17d22165fba000cd5dc7abfca. Chain 2 (Bitcoin): anchored in block 960349 (2026-07-31T05:23:41Z), 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/USRUF1100418.
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 0x07455060a2e29e6f72f79f972ea09a513fb5131c065c3a7c8908e54df0b297ab. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/USRUF1100420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x132956ee1000c5c243958c65384ff98605caaf506f9e7dafde3f41bfe3ef43f8. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/USRUF1100421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf512d58102a01ddd02d17dc85fced37bc2aeaae9452f90116c08f8a7fca16436. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/USRUF1100422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6927577f22b43b18aa239f5fc28f2c13240cc48ac1cce987c20fd54306c9fdf. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/USRUF1100423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78c842861ae58d8af41ad1eb3c11d229b50518b80f59c3c6de282ae5fa544849. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/USRUF1100425.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x528f9564eee2ddb9e58d9d869a350c2491dc6d7e5046f1a10d17ea2dd8f9c939. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/USRUF1100426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x828b11348b0666dc6f784125ab41a1c3172f56d44e98cebcd50b0faf12efb333. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/USRUF1100427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2255b46dbe9b94500f19713d6d5b9b642f387e52fc2bcba973ea6d8d0edea73d. Chain 2 (Bitcoin): anchored in block 960230 (2026-07-30T08:32:18Z), 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/USRUF1100429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6fda2296cfeccda84f0eb5acd36e0fd56fc841dac7b5d11752ca15c9371b86e. 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/USRUF1100431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eda8c22ccb91507d05ce485a21f5d2a18083c73d7534e7887aa411edc70f4bb. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/USRUF1100432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4123454e4358d8cfb8e4e1accabfd66fa2e9551d5cb1ece7726bb9bd76340985. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/USRUF1100433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e8877dd8095434a371cce177a649a6d7ebf0ef5a0a0d213673d73859c79e67. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2880f35ebc2289b8ef58e7f5cd678a14d725f31c3d692c5657749a57e3838d68. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/USRUF1100437.
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 0x46119ed8aad6be9319cb4017fa43f1ec6af4ca3a2b960d44daf0bef3732cbe94. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/USVZX1220012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ae6029d13707bf0bfed53bb83863c1527fea007346cd5cafc3558b6c480363. 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/USVZX1220017.
Pilgrim Song (Arr. R. Murphy for Choir & Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15da51d42479f976b20c698fd375c5980df80f9e2cf5ad39cad496e0714670d0. 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/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 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/USRUF1010382.
Homeward Bound (Arr. J. Althouse for Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30bbf7a5f36956e851fe287e1e1c01e59597d4e0aceeef960afc128ca821b630. 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/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 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/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.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbd700d2d4df2e76056968574107da2f4950619b86ef11491a7e83eaee5adece. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/USRUF1010386.
Ain't That News (Arr. S. Hatfield for Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x754d0a94fd05501db2cdc601feb7544e0ce4547e273f9b9e9b5298a9c8a3f716. 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/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 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/USRUF1010389.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x188343fa64019ca8db93aad41219341fd05ff8b7b2068a2ea92c1cf140bb0937. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/USRUF1010390.
Shenandoah (Arr. C. Dragon for Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7d4fc019e4b1520db18e61cbe7bb404a3c3db756ed1e0287409b56e38502970. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/USRUF1010392.
Hallelujah (Arr. J.S. Applonie for Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ea3191c03fa939361bf62a49843b90c9a59a7e4b729861076897c75e4aaba05. 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/USRUF1010393.
My Little Mountain Home (Arr. D. McDavitt for Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aad907b9ca8a516e97e92979d8055086713434e13d570e12936c177ab1a5c54. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/USRUF1010394.
When Johnny Comes Marching Home / Keep the Home Fires Burning (Arr. D. Zabriskie for Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9730b080259a2e15e01a8b4ee0b1081aac65fbee977070582f2cc7bb6f214e2. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/USRUF1010395.
I Feel Like I'm on My Journey Home (Arr. R. Staheli for Choir)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5c045e8b4d3ca49e945de2c5812212202f0ee7a1c508a97ae46831788b45a8e. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USRUF1010396.
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 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/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 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/QMDA71460059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x132e85ad1ebef561cdfea14f09ad40bcfdf21802857128cd86d591a6b92961a6. Chain 2 (Bitcoin): anchored in block 960355 (2026-07-31T05:49:18Z), 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/QMDA71460060.
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]
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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.
Florida All-State Middle School Mixed Chorus
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c59bc26f98d68852037e0e07f7f995a4851738e57a025bb2899872d9deae821. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/CAI371010072.
Non Nobis, Domine (feat. Rosephanye Powell, William C. Powell)
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Ave Dulcissima Maria (feat. Morten Lauridsen)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e529d8dc44e2cd56e1145d000d8710ebbac4ff4f4c779615daa2bd166d90d0a. 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/CAI371010076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17d28554a5b6534f3b7bcefcaf98243888e8c92c5a3ddf7a97a53199ccae72f6. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/CAI371010078.
Soldier's Cry (feat. Roland Majeau, Trent Worthington)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cd3febc358efefd31195fb90c4a07251fde02fad3f0c4c0858cf2d62458e8da. 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/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.
Northwest Girlchoir Instrumental Ensemble
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BaShana Haba'ah (arr. V. Shields for choir and chamber ensemble)
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Precious Lord, Take My Hand (arr. R. Ringwald for choir)
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Hymn to Freedom (arr. S. Hovi for choir)
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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 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/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 0x0b0aa58f1cee19c67e9590a728e3b5cd46d64105e864c08ae464982df52925fa. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/USVZX1113616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x983b40437715f73c7dac2716b07cc3ca525550ec0b5d4b46d73069fcd3247d03. 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/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 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/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 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/GBN3Q1501301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe678e23ff55609046363b965fc2c149957c97ddbb1d48a83d120bb4688421d85. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/GBN3Q1501304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94d9674e4a95a937f37a0431b1877e5276107bc4c6518afcb71939a875c676fd. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/GBN3Q1501306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40a8e2ec088a0e93104f5978310061a16438c9814f60060ee96b48e1c08cba10. 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/GBN3Q1501307.
Antara Korai-Voces Blancas de Alcorcón. EMM Manuel de Falla
Son de Camagüey (Arr. S. Hatfield for Choir) [Live]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1b7b7803b8761d08ed8667fe626eb9f9c21b93336ffdf27efc3b5df03cc696a. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/USVZX1319904.
Hold On! (Arr. M. Hogan for Mixed Choir) [Live]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b58c73e92f0e3389961b169b69e1ee01925b18a35d1a65c7267e8d3d37a2928. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/USVZX1319917.
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.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x856b527a729496bafe1b17759d23855acc70d247d631bf51a675db33806745af. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/USX9P2029905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e64a2d3c50b6594e4717d34fef12b39de0846d5be14ae70ee13d05d425693a5. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/USX9P2029906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeacc1ca8503c4ce4816f5a596ab5a114f0eb678b055d22909136f706f99b4a41. Chain 2 (Bitcoin): anchored in block 960407 (2026-07-31T13:26:30Z), 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/USX9P2029918.
Prayers of Coventry Cathedral: Prayer of St. Francis
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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 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/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 0x02e91ead60c96c59fc86108380a411027c9bc66458b304b78804dc0b6592522a. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/USVZX1111710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1387461dcda9a309baf255d2373a89b1a54b80bbcd8f1f73893f395677ab0135. 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/USA371364199.
Bring Me Little Water, Sylvie (Arr. Moira Smiley) [Live]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bc0e79f41a606d54d956c415284b9c523f98d4d27f1bd04577f3295bc8a212e. 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/USHM91910932.
Inspirations contemporaines : OEuvres pour choeur de femmes a capella du Xxème siècle
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77552436abe163c6236b2ba97cc4a671fba1537fdb7a89747b0d408da8246fb7. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/FR6V80209679.
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e16a190f5072c7918292f6272d2a815356f04180769985dee67c41abbd6dda4. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/USVZX1209307.
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 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/USVZX1401705.
2015 Texas Music Educators Association (TMEA): Eddins Elementary School Honor Choir [Live]