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 0x6a96668b73d8934f17474b8b1f7c03fb45b32e5e02c3bb6b04165a3456e20bb3. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9aabea27-7453-4e22-98c0-3c9be67369e1.json and https://artists.proofprofile.net/proofs/artist/9aabea27-7453-4e22-98c0-3c9be67369e1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Merry Christmas in Piano (Piano Version of the Most Popular Christmas Songs)
Music for Video: Background Music for Video in India
Film Music in Piano (Piano Versions of Popular Movie Soundtracks)
Moon River - From "Breakfast at Tiffany's"
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 0x99e7a29d3d982f81ce8546186142f73b751bf68156903dedb195d019667c8268. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:19:57Z), 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/ITD541400233.
A Summer Place - From "Scandalo al sole"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62acc28418ba35d46eb21b6496f0fb36b9ef9091ace92c00e6c8ce3e58b60707. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/ITD541400234.
The Sound of Silence - From "Il laureato"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe274007ecfb997e4e602869fcf38c52a969c6f390791cd99d6f9d63805cd431. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/ITD541400236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e6d79071fd83f19fb7b6d2b896bbae1238fae5adb981e5943073aeef5c1960a. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/ITD541400238.
Love Said Goodbye - From "The Godfather Part II"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e399ff6217122f7180d90a0c634407a37fd7bce5db2def0d93ae6e654fc260a. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/ITD541400240.
Somewhere in Time - From "Somewhere in Time"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb34b5664d0ce47e75751f940c06b6f7198ac4dac23dc1c41c2b4bce72e983fdc. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:03:35Z), 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/ITD541400241.
The Last of the Mohicans - From "L'ultimo dei Mohicani"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9242f4b52ff3af671e297dfd6e13cdf088ea08cfc777b2dc962671eb950d0b51. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/ITD541400245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87ffafa2cc7215e68f2f2c728a5c0f7b75bdc89390aa955ef7f56e0b70491994. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/ITD541400794.
Love Songs in Piano (The Best Romantic Music)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cbd69b3bd893f877fdb7ab3a6f0047706cf0f8a86260806a911c2f22f328531. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/ITD541400854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe99f2f154d2500aa0488b51d4be5ac3f4b9149e2eac01800fbe4a8d1c0f74028. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ITD541400857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x538753c861487f012735a5dcc330b7516cd8cd5ad992b323e0ba48f772fe1174. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/ITD541400859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12b47c99226ad045611a30dbf657269879189dfcba7deeb067005990802c802f. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T21:05:52Z), 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/ITD541400861.
Lullabies in Piano (Best Music for Babies to Sleep)
5 Lieder, Op. 49: No. 4, Wiegenlied "Brahms' Lullaby"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea711269bc0b53292ed9906fd08b226e9b48d0486650bd5133713e09c44f1f47. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/ITD541500005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff941bd81cf33014dd24185b14c78d680cc2f4cedea6cd6b9d73e2b34e78ed2f. Chain 2 (Bitcoin): anchored in block 957892 (2026-07-13T18:21:16Z), 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/ITD541500008.
Love Songs in Piano, Vol. 2 (Best Melodies of Love)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb82950c03d8788647feeb69cfcc1a82554da4a7d5da3194ef4bdb96ddd7681. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/ITD541500022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x454ee7060650a60e44c066ba7e35e7625bbbde2e6a570e25a68c3866a653ba81. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/ITD541500023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf79ff7badf7afee1ac47d7323a3f0507280063b1e117f7c6847090a724a47431. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ITD541500026.
Romeo e Giulietta (Nino Rota's Love Theme)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x320e7a9b87c317c06cc9b7035d5d2c3a1a4c4de40192fc0e91118a65aca885f1. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/ITD541500671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1223ce32aca1d84ac86f40c2fa6bd0ec4d150036e15c8c38f1881e220ba8e6a. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/ITD541500698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x394e35cadb4ccd9e65884bec8c6973f1047e332004e1d0f2d7e65b4b7f91ef5a. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ITD541500699.
Opera in Piano (Arr. for piano by G. Sbernini)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x143c1ba1af133bd7b546c3b2ef8f1dcd963b7df8d11c5b73f38dcfe5622bc61d. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/ITD541703007.