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 0x1db7d60f641fbcae05517f752bcddc7981025eb7680624c128e7a454fc6b3868. Chain 2 (Bitcoin): anchored in block 954587 (2026-06-20T19:10:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ba60b963-fdac-4376-a3a1-67f258fcb5a6.json and https://artists.proofprofile.net/proofs/artist/ba60b963-fdac-4376-a3a1-67f258fcb5a6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Italian Baroque: The Instrumental Edition Vol. 1
Sonata No. 2 in G Minor, Op. 6: II. Larghetto
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 0xdbffa635e7b81b1878e980fc0109d3fdb9f0bf89edfa69e3d91df5acd48ae800. 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/NLY331605471.
Sonata No. 2 in G Minor, Op. 6: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x814a4d5f73761d8fe397c69c0d82c9a15e56c3ff320d799121814b39d1339385. 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/NLY331605472.
Sonata No. 9 in G Major, Op. 6: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x841ccffc79038973cc81fc9488e12d4f665425f715381283c156240c0d3552b3. 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/NLY331605475.
Sonata No. 5 in F Major, Op. 6: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c547e56608dc38c93747d38efc167fed22bc6430ee3f08df9af5a5180676f73. 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/NLY331605485.
Sonata No. 3 in B-Flat Major: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56e32dad57441db77444516b245f5a5c387a9c5cbb7f38cb6629108d7505b86f. 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/NLY331605492.
Oboe Concerto in D Minor, Op. 9 No. 2: I. Allegro non presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02b098f9e470fde3242026811b0923d42ffe45ebaca8bce38e49914d80f4e941. 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/NLY331605494.
Sonata No. 2 in G Minor, Op. 6: I. Grave adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x674d1571e2f2853886d0aa24dbf1ef552405a52bc56755e4e28ea750dd7c015b. 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/NLY331605470.
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
Sonata No. 2 in G Minor, Op. 6: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27102fe5e473c5ebb487c8e52b47400932f9468ad79b5295b478eba31903f765. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLY331605473.
Sonata No. 9 in G Major, Op. 6: I. Grave adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa65d92f10ccfe050ee6f15d00e6cef386663291524e7032a921677e520aa4244. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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/NLY331605474.
Sonata No. 9 in G Major, Op. 6: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f2644a6f4f5217aac04ddac14027d2070ea7122d9852798057895a47c4a9540. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/NLY331605476.
Sonata No. 9 in G Major, Op. 6: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5083ebf676bbde8a9fe44d66ac7a5f1f3a944f5ffc7bd3bfedbc8624f3e392a8. 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/NLY331605477.
Sonata No. 4 in D Minor, Op. 6: I. Grave adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90cfcc7e365915d99de96b686bb79f316803b3d178c7778876f736f50a94729d. 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/NLY331605478.
Sonata No. 4 in D Minor, Op. 6: II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc0965ce017701f804d85c1665a0fa98169c31b8eba282c59ba508503e598a05. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/NLY331605479.
Sonata No. 5 in F Major, Op. 6: I. Grave adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8660532f738071a9d388f20706dabd49507458ed7c3d0fc22a16aba56e19c05. 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/NLY331605482.
Sonata No. 5 in F Major, Op. 6: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89c7553c6e8c8a12cb8dd2907799a22578e12ab18867bac4bb7f29fe012b5306. 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/NLY331605483.
Sonata No. 5 in F Major, Op. 6: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5f5e6c2018b12fa6799e3f2d4bec3c4d2c3da92392ab53705b2c94a53818d0f. 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/NLY331605484.
Sonata No. 8 in E Minor, Op. 6: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92866eef366e3277ba1a205b50fb79c5d512e2d9d3a1d1fa5afec474679e8d47. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/NLY331605486.
Sonata No. 8 in E Minor, Op. 6: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x130ecdd2c3cfabfde0e9d8cf57994eb52b012f4399b8c05a470d6797956fb6d3. 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/NLY331605487.
Sonata No. 8 in E Minor, Op. 6: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83378cc06e88344b8cf7e2b5bdf7a8ba8bd813cba19e1414c6c03558fd861a35. 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/NLY331605489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa67048d1f5a781655acaace49968f347ce4c955b05554c376f95ccb78aecbc7c. 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/NLY331401724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x698d1f3bf1cf147d1e5822bbe8966eb4e04667aea75bbdee6e2f4b3df6f3b5ac. 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/NLY331401728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ef86ca6607ba5019090e24da41ac95617f89c6f18b322bc0c801f4ceb4b5f6a. 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/NLY331401729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40ab1ed6b257828dd500d40042a920c647e95eaa7a2aa5f1a54126ae98a3776e. 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/NLY331401730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47529f31e91d3057fa925bc0c13385580dd0151aef4e76571502ffc55dd5a14d. 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/NLY331401731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d06fe102ce9337b282fe6a5a7b15a0681f9bf1ee59e4e16649b0d06d1fe5363. 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/NLY331401732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08a3bd3fb7253c73837bdab7a4238c07e1c084bcda1a186f28f75da321734bd8. 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/NLY331401736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6af4a061a2a4b347147011c21d919d98abb73bfaedbb1ed40462468f4223ef02. 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/NLY331401740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bfef8a6ea0cd85217e92cceb3c966892db06b32eb7efad4aed4578a627c41b8. 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/NLY331401741.
Sonata No. 8 in E Minor, Op. 6: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb74223a66cd2b97a725aeb2bf4f373dd97cbfb9b9c3d432976bfeec3d79747e. 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/NLY331401742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fb98e8c10e553ff8393f1af543f48bfacbc1f2993d5f8bd9231d91a58e10422. 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/NLY331401743.
Sonata No. 3 in B-Flat Major, Op. 6: I. Grave adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x006b86c94222ca4453e39e64e3810c63f183e7d96590f62ffd220e2a8ff1966d. 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/NLY331401744.
Sonata No. 12 in B-Flat Major, Op. 6: I. Grave adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3614af0d40161a6f2e30a2e01a96a58766f057d8c0edc7c94c7cae371efb12e. 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/NLY331401748.
Sonata No. 12 in B-Flat Major, Op. 6: II. Allegro assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bd9e167ef17f3eb0c5264bf7bb4b64542eb053bf79825c19a0fb547b0a8085c. 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/NLY331401749.
Sonata No. 12 in B-Flat Major, Op. 6: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad4510486b7a54607faf795a4384aa81c6406ffcef491d54e6cd8a9a248cc802. 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/NLY331401751.
Sonata No. 1 in C Major, Op. 6: I. Grave adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8444b1816d34c0e750cd96d0267b99af41853d2109fc36f3067cfb631676f88f. 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/NLY331401752.
Sonata No. 10 in C Minor, Op. 6: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b7ec2c5282a392bdeadfe7e4d730a1811cecd73eee321d5a7b8d4a79afd4b05. 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/NLY331401756.
Sonata No. 10 in C Minor, Op. 6: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf86623aa0bcc36c1461ace20b916d5d0f77d321d25037ae7c8c4c1ba787339b8. 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/NLY331401758.
Sonata No. 11 in A Major, Op. 6: I. Grave adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62c461f436bdefc4d4913c343b6c7f5997bdb22bc96ebe2275f7d2b453127846. Chain 2 (Bitcoin): anchored in block 957212 (2026-07-08T18:33:44Z), 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/NLY331401760.
Sonata No. 11 in A Major, Op. 6: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x683475286897dac762da8bafb9fdb97268a545ebf201a4a45e26fafdf5cf79ef. 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/NLY331401761.
Sonata No. 6 in A Minor, Op. 6: I. Grave adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf67a8ad6cb07b27b805cd257ab6e10debd3f8cad8fe1bdf785fd7c4d9d4669ac. 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/NLY331401764.
Sonata No. 7 in D Major, Op. 6: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd44d340fe754c707a1c2230db845f1bd1df71827eb6d5c3e02a8b5bf80480487. 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/NLY331401769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb90e36a6be2303a81d0fa8a2ce310259eea1775a420db2273a9f82f60dcbbdb. 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/NLY331401725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81b2717c436c86c23afd5c3cd2507cb274d3126d261b7d3523dc8f26fce1fcb3. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/NLY331401726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f6e43e995cdf65b11925d5f4e8f72329855e9c05893d9022cfa9147d2a5dae4. 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/NLY331401733.
Sonata No. 4 in D Minor, Op. 6: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a4bfeaa8003dae9fa5153f601277d1c9f91efd6eab69915a996552b3650e363. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLY331401734.
Sonata No. 4 in D Minor, Op. 6: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3d3b14eafec4623682bab10b0a4fa41168af738525c500748fb3d0e89fb6eeb. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/NLY331401735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0b75dff0aa6035d51141490ea43b34f91d46b860bd2b71269c3f2fc0e80dbeb. 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/NLY331401737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17d450c139584e77dc395965a8006345f3bfd2dcc3f251d0ba44b39361284dcd. 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/NLY331401738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15930d3c2f23d8695d8905ffaecd9151709227453e93443054445f8a018a3116. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/NLY331401739.
Sonata No. 3 in B-Flat Major, Op. 6: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11fdba078dfa5c4b9112c3c5d24c6563ee9890c097d4805ade6483422ca6f5a3. 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/NLY331401745.
Sonata No. 3 in B-Flat Major, Op. 6: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9037d432cd25f0574d430d4840515259808b4ff5d04c557df72ec157476e2bf. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/NLY331401746.
Sonata No. 12 in B-Flat Major, Op. 6: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dcbf3a861ff19bd4ae513563e55631287e4e6c20ca6a53f685cbb9a701a4da8. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/NLY331401750.
Sonata No. 1 in C Major, Op. 6: II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e92e633c5c98ee12a36588ad53df8adad00b565546937a98fce84668f332307. 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/NLY331401753.
Sonata No. 10 in C Minor, Op. 6: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd06ff91c0f5ff86adb11efb1b8acf67fb6eb8de69c2c8a95850832dfc76438a1. 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/NLY331401757.
Sonata No. 11 in A Major, Op. 6: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd7075b81dd6294d792ee9aa978ebf478027e01d9c5bda99aec3805d02204ecf. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/NLY331401763.
Sonata No. 6 in A Minor, Op. 6: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4253c4c787b7649e7134ba0b57c10c515dbbd78d32850a8652c4f64078956e7f. 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/NLY331401765.
Sonata No. 6 in A Minor, Op. 6: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x248705c3ddfa352eec456b574fbdd0fe4897bf1eb9f78116df3c11cc8504e5ac. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/NLY331401766.
Sonata No. 7 in D Major, Op. 6: I. Grave adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x221ce94a81402c713cd56eed0bcb1a205a0e0708965fab026243d148a7e5d648. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/NLY331401768.
Sonata No. 7 in D Major, Op. 6: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbed247e3680c0183b0c8449605401b7729a716bab679ccbb756bfe6c61bda0bb. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/NLY331401770.
Sonata No. 7 in D Major, Op. 6: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88dc098b17b0de7c5b89dd70ebc42df1f3d87d9d53adb625f2154069cfd7bf61. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/NLY331401771.