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 0x00eb148c83a9b5da5818e3d51d98efa85f32d30825f8eaf60d0a9399350554b4. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a7dde038-642b-4a79-8fef-4eca5e5cdfbb.json and https://artists.proofprofile.net/proofs/artist/a7dde038-642b-4a79-8fef-4eca5e5cdfbb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Piano Concerto No. 23 in A Major, K. 488: 2. Adagio - Live
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 0x5057aa8c6973fd447049a48f49e0daccf220e55c8e58c4a310943fd1f49f5630. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DEB331662403.
Lotus Under the Moonlight for Piano and Orchestra - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x108ee5688bfa0e614e981e17a6482d3ed39057d181289eaf3c629f48d0eb6a21. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/DEB331662401.
Piano Concerto No. 23 in A Major, K. 488: 1. Allegro - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6da64dec3181d3d1d0e378b346bb3e0ba498da66eafd24f1e02b77886ae6d63d. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/DEB331662402.
Piano Concerto No. 23 in A Major, K. 488: 3. Allegro assai - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42683545f901470950ac00f40106416201cf655d1db854bf2c26e0e0fda05028. Chain 2 (Bitcoin): anchored in block 960157 (2026-07-29T22:12:10Z), 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/DEB331662404.
Beethoven: Piano Concerto No. 2; Grieg: Holberg Suite
Piano Concerto No. 2 in B-Flat Major, Op. 19: I. Allegro con brio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f69464ebdb3b93841cd928989798825da28452fca8c4bc793d4d42112814799. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T21:25:06Z), 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/GBBBC1900350.
Piano Concerto No. 2 in B-Flat Major, Op. 19: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bb74152aebc5722ccf9a1a2e9c8b713bffb08dd61d88e0d54cdd26041a50eb6. 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/GBBBC1900351.
Holberg Suite, Op. 40: II. Sarabande. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24e3bc24441e9a786573a0a4a55a0171479f1ae1dd42b6492675c277afc6ee67. 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/GBBBC1900355.
Holberg Suite, Op. 40: III. Gavotte. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc75f887fcedff275fa3d5d9cabb11b916b038fb5c9c6f3d10e0b28c5243ac72a. 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/GBBBC1900356.
Holberg Suite, Op. 40: V. Rigaudon. Allegro con brio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4962a8af454b4a692c50cb854942c00c9f6944af1780195efca49334b54e45df. 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/GBBBC1900358.
Piano Concerto No. 2 in B-Flat Major, Op. 19: III. Rondo. Molto allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x078ade5988d5d8695adbfa3e43480c00c71cd56c42abfe02e8ec3d9ef0083452. 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/GBBBC1900352.
Divertimento in D Major, K. 136: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1df9fb1b3287d9819d363452857beb3bb1a068e4f3f88c488104ae721a3fd75d. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBBBC1900353.
Holberg Suite, Op. 40: I. Praeludium. Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ad7bc8cd797280ea513d08a27a1d14583a034a0514ea38d38b339bc00ce4eb3. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/GBBBC1900354.
Holberg Suite, Op. 40: IV. Air. Andante religioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x112409b40c97ec710bd5d20e3e14b913395d189788b07c6a46bcaf67be4b584b. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/GBBBC1900357.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 4b. Allegro assai - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa81bb4bae34c706a6e0792bc801bb548797d54c723be5d5b3a3470f83bc3e569. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), 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/GBBBA1800486.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 4c. Presto - "O Freunde nicht diese Töne" - - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb6cf13e97fcde7708625f52694d7dab708e704e72f11be41edc3dd38f2f7b25. 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/GBBBA1800487.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 4e. Andante maestoso - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ed7ee9d45d1685974afa304ee056fa46bd2d090315ae1d841f212f70f424ea3. 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/GBBBA1800489.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 1. Allegro ma non troppo, un poco maestoso - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab5ca69e00d076e9027f6248f082cd88655a78ba7ae260cd6e4fbe8203a4a30d. Chain 2 (Bitcoin): anchored in block 960166 (2026-07-29T23:39:29Z), 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/GBBBA1800482.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 2. Molto vivace - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb024ae0f301c5b8f6fdd53b3af786ef8fbf62b062b016ed682c51ff30dfbd65e. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/GBBBA1800483.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 3. Adagio molto e cantabile - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6be67232265a03423a9ef6d9f74647ca2ab325c165cc6237ff611d32322157a. 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/GBBBA1800484.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 4a. Finale: Presto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb92972e19b14ad56b4081c32888a2e2328e4df00628389c5ce49ea71d799bcf. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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/GBBBA1800485.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 4d. Alla marcia (Allegro vivace assai) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57a121e0a288787ace184da43c763d84cb6e9f3d892cc4072e280e2b6f2a8be2. Chain 2 (Bitcoin): anchored in block 960179 (2026-07-30T00:39:11Z), 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/GBBBA1800488.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 4f. Allegro energico e sempre ben marcato - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d0699e24ca4c5b1b0a154b9a297b7cbd75ce91232912d2ce188f7ddf75efd69. 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/GBBBA1800490.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 4g. Allegro ma non tanto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c445ebf77163ee4383c31bd59f305e557e2ac6d4947db59e899c1aff1e02c2e. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/GBBBA1800491.
Symphony No. 9 in D Minor, Op. 125 - "Choral": 4h. Poco allegro, stringendo il tempo, sempre più allegro - Presto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a0e8c78babcbdb5dacb3b5fee6fdf54686b7f603614dcf8480431c03f96a6f1. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/GBBBA1800492.
Beethoven: Symphony No.1 in C; Piano Concerto No.1 in C (Live)
Symphony No. 1 In C Major, Op. 21: 1. Adagio molto - Allegro con brio - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed57f16b3234852721ab885960d98276b0f23dc3b090c5df60228e1f8d59c583. 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/GBF071700791.
Symphony No. 1 In C Major, Op. 21: 3. Menuetto (Allegro molto e vivace) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bcd88ed0bf82f27d5f34891358fd502fca59d4a9f8a0173fb1cb1e72d5f3dd0. 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/GBF071700793.
Piano Concerto No. 1 in C Major, Op. 15: 1. Allegro con brio - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cb709354129ac59330cdf775e6286ef37c7959f293c88e38001ba6a8435427c. 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/GBF071700801.
Piano Concerto No. 1 in C Major, Op. 15: 2. Largo - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa172f9002e1f168aa0fcd17282de18cdc494e84eed093ad3db266d0e53396bbe. 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/GBF071700802.
Piano Concerto No. 1 in C Major, Op. 15: 3. Rondo (Allegro scherzando) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x680bef031e0df7b8506bc35d95fbf098e337a44ad23c3e3abfee954ea308c685. 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/GBF071700803.
Symphony No. 1 In C Major, Op. 21: 2. Andante cantabile con moto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75ab3d3577915370afa37a5a36c4702644616193e926d83c073384ab782a9dac. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/GBF071700792.
Symphony No. 1 In C Major, Op. 21: 4. Finale (Adagio - Allegro molto e vivace) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd8f3c39a7eed147369b6113ed534c1b652e9de5b19bdcf8082e26862b8121e5. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/GBF071700794.
Holberg Suite, Op. 40 (Orch. Grieg): I. Praeludium. Allegro vivace
Beethoven: Symphony No. 9 in D Minor, Op. 125 - "Choral": Poco allegro, stringendo il tempo, sempre più allegro - Presto (Live)
Beethoven: Symphony No.1 in C Major, Op.21: 3. Menuetto (Allegro molto e vivace) [Live]
Beethoven: Piano Concerto No.1 in C Major, Op.15: 3. Rondo (Allegro scherzando) [Live]