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 0x3dec75e1954579feace3b1e3dbdc5edbad84890eb194b2728e1cb5b3dbceff4a. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b5988275-d059-4568-b97f-da6e45f34a5b.json and https://artists.proofprofile.net/proofs/artist/b5988275-d059-4568-b97f-da6e45f34a5b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Yankee Doodle (Fiddle and Banjo Version)
America the Beautiful (String Quartet Version)
American Patriotic Music: Star Spangled Banner
Stars And Stripes: Patriotic Songs of America
USA National Anthem (The Star Spangled Banner)
The Yankee Doodle Boy (I'm a Yankee Doodle Dandy)
The Marine's Hymn (From the Halls of Montezuma)
Great American Sing-Along - Patriotic Classics with Karaoke Instrumental Versions
National Anthem USA - The Star Spangled Banner
National Anthem USA - The Star Spangled Banner (Karaoke Instrumental)
America The Beautiful (Karaoke Instrumental)
This Land Is Your Land (Karaoke Instrumental)
America (My Country 'Tis Of Thee) (Karaoke Instrumental)
The Yankee Doodle Boy (I'm A Yankee Doodle Dandy)
The Yankee Doodle Boy (I'm A Yankee Doodle Dandy) (Karaoke Instrumental)
You're A Grand Old Flag (Karaoke Instrumental)
This Is My Country (Karaoke Instrumental)
God Bless The USA (Karaoke Instrumental)
Battle Hymn Of The Republic (Karaoke Instrumental)
When Johnny Comes Marching Home (Karaoke Instrumental)
The Marine's Hymn (From The Halls Of Montezuma)
The Marine's Hymn (From The Halls Of Montezuma) (Karaoke Instrumental)
Great American Sing-Along: Patriotic Classics Karaoke
USA National Anthem (The Star Spangled Banner) [Karaoke Version]
This Land Is Your Land (Karaoke Version)
America (My Country 'Tis of Thee) [Karaoke Version]
The Yankee Doodle Boy (I'm a Yankee Doodle Dandy) [Karaoke Version]
You're a Grand Old Flag (Karaoke Version)
Battle Hymn of the Republic (Karaoke Version)
When Johnny Comes Marching Home (Karaoke Version)
The Marine's Hymn (From the Halls of Montezuma) [Karaoke Version]
USA National Anthem (The Star Spangled Banner) - Karaoke Version
This Land Is Your Land - Karaoke Version
America (My Country 'Tis of Thee) - Karaoke Version
The Yankee Doodle Boy (I'm a Yankee Doodle Dandy) - Karaoke Version
You're a Grand Old Flag - Karaoke Version
Battle Hymn of the Republic - Karaoke Version
When Johnny Comes Marching Home - Karaoke Version
The Marine's Hymn (From the Halls of Montezuma) - Karaoke Version
America the Beautiful (Karaoke Instrumental)
America (My Country 'Tis of Thee) [Karaoke Instrumental]
The Yankee Doodle Boy (I'm a Yankee Doodle Dandy) [Karaoke Instrumental]
You're a Grand Old Flag (Karaoke Instrumental)
God Bless the USA (Karaoke Instrumental)
Battle Hymn of the Republic (Karaoke Instrumental)
The Marine's Hymn (From the Halls of Montezuma) [Karaoke Instrumental]
Ultimate Star Spangled Banner Collection: 25 Versions of America's National Anthem
USA National Anthem (Star Spangled Banner) [Orchestral Version]
Star Spangled Banner (Brass Fanfare Version)
Star Spangled Banner (Chicago Blues Version)
Star Spangled Banner (Latin Jazz Version)
Star Spangled Banner (Bad Violin Version)
Star Spangled Banner (Eerie Violin Version)
Star Spangled Banner (College Marching Band Version)
Star Spangled Banner (Stadium Organ Version)
Star Spangled Banner (Pro Marching Band Version)
Star Spangled Banner (Female Vocal and Organ Version)
Star Spangled Banner (Female Vocal A Capella Version)
Star Spangled Banner (Male Vocal and Organ Version)
Star Spangled Banner (Male Vocal A Capella Version)
Star Spangled Banner (Church Organ Version)
Star Spangled Banner (Carousel Organ Version)
Star Spangled Banner (Fast Organ Version)
Star Spangled Banner (Fast Organ Alternate Version)
Star Spangled Banner (Fast Electric Guitar Version)
Star Spangled Banner (Slow Electric Guitar Version)
Star Spangled Banner (Grandiose Orchestral Version)
USA National Anthem (Shortened Orchestral Version)
USA National Anthem (Orchestral “Home of the Brave” Ending)
USA National Anthem (Orchestral “Say Can You See” Intro)
America the Beautiful: Patriotic Piano Instrumentals
Yankee Doodle Dandy (Medley) "Armed Forces Tribute"
From the Halls (Marine Song) / Off We Go (Air Force Song) / Anchors Aweigh (Navy Song) / Caissons Go Rolling Along (Army Song)
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 0x341bc64ea4b3707c457da607fe35c17626db030455524ebfb3ea3355e3dc3b29. 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/QMFCL1328783.