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 0x0d9ac933223c71473c1bf9a5544e7f0ff1b6cf3b2414994c9636b4ae9bbaf0eb. 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/e4e95edf-003f-4f3f-8156-1d7c58db01e6.json and https://artists.proofprofile.net/proofs/artist/e4e95edf-003f-4f3f-8156-1d7c58db01e6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Three Famous Movie Themes - Piano Music, Amélie - New Moon - The Piano
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 0x46fa0e6650dff7b8363f45fef8f355fc9a24dca5624a2d739a1b490219cf615d. 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/ATR981122278.
Harry Potter - Hedwig's Theme On Piano And More
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea5a192bb5915f57bfa7f0c72dff1f7ad27deb5e8d0ab1c3a7ca83185f082a51. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/ATR981123019.
Grieg - Piano Music And More - Morning Mood
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd61abcc350d2d5bf341d0baccdc7c82395251beee728b481cb7bc63ca2d6e81a. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/ATR981123704.
What a Wonderful World on Piano (originally performed by Louis Armstrong)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5150f0d9e95248c1c503031e42f5c3558d6097ade6a915abb40c0ef6053d772e. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:42:42Z), 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/ATR981126238.
Drei Haselnüsse für Aschenbrödel on Piano (Three Wishes for Cinderella)
Root Beer Rag on Piano - Tribute to Billy Joel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64b2f76cff99045edc8a1df87af6aeb59c3a966eae8debc0d9fccd290e050724. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/ATR981128486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4abe3169ff6e7786801f24f0c4431c4f5007136e0b989d2a6550d3058dcd5101. Chain 2 (Bitcoin): anchored in block 958504 (2026-07-18T05:41:32Z), 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/ATR981128487.
Numb - on Piano (Tribute to Linkin Park)
Melodies of Life - Final Fantasy on Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cd25d65b1e8b4c8a724b79ae8e6194d16468384f93a9dc6378eba5d2db6e334. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/ATR981129418.
Chariots of Fire on Piano (Tribute to Vangelis)
My Heart Will Go On - Titanic Theme On Piano
Theme from Schindler's List on Piano (Tribute to John Williams)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1fe0c2453724695957525be12308ffbeb59f2cb2150b73f55c9040c04c709e0. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/ATR981131589.
Overworld Theme - Super Mario Bros. on Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571151894f1dca8a58d35821f22fcd5a9fd859a7fb24f307a1162b6d111b70d1. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ATR981131882.
Requiem for a Dream - Lux Aeterna on Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39d3fed9cb1eca600a77a6e1fb335f7b92ecea8dba506d30be32992c23acf902. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/ATR981132075.
Main Theme of Final Fantasy VII on Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8261a1662829df96491bb1ded0c27f0c3aea11bf8da5eecfa524e5ebeadffcee. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/ATR981130584.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe50c33222a7a10a278032497518136dedd7b22f6ae8a7db5f97e7d63848c01df. 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/ATR981131477.
Tidus and Yuna's Sky Theme - Final Fantasy on Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0be648958019f963e09d6b39da355cbc4505b0ed83ea370c4be59e9f81c4e40d. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/ATR981133929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd19ef5021317498693ee00013c2ea580ee1c1842dcac65be41699f76007b4877. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/ATR981132354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cd25d65b1e8b4c8a724b79ae8e6194d16468384f93a9dc6378eba5d2db6e334. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ATR981129418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94242ee66e253ca262beb1ec6a5b37a9c964512eddf690b8bb31519df224cad9. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/ATR981133334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8760c852d1aed7758437977dbebc045c81f5f2fa07fd3bc116e504ff5210237. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/ATR981134609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe998e3c4eef1eece8dd51cd5471dd1b39fdec2e518fe739cc921efc943d24296. Chain 2 (Bitcoin): anchored in block 958668 (2026-07-19T05:16:11Z), 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/ATR981132894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd093ce620c5d6d712b9770fb3151989d178462ac7e5cabf827486673b996effd. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:40:27Z), 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/ATR981134610.
Burn it down - on Piano (Tribute to Linkin Park)
Viva la Vida - on Piano and more (Tribute to Coldplay)
Fisherman's Horizon - Final Fantasy on Piano
Twilight over Thanalan - Final Fantasy on Piano
Chi Mai on Piano (Tribute to Ennio Morricone)
12 Famous Romantic Themes On Grand Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe62a5a3967ea57d255bd7c28ac977bb98e597456a1863f5e5e564c728839874d. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/ATR981138861.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa61c3310e75efcc3d64884f08828fc38db58cdafac87dc5516007a8dd0792289. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/ATR981138870.
Ahead On Our Way - Final Fantasy on Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x031a34f1200b19575e09bf2601d997c132785bd497f8f5a433fa0a55ca2d2fa3. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/ATR981139779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aa5bb81c84cd140559f114d6071fc2343424a54f86b7b5360abca49cd81df81. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/ATR981139782.
Star Trek - The Next Generation - Main Title on Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bf4bc5e3d4a214339ba46466d9ced73d08d7e9d00760d997d1553b5221e3894. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:24:59Z), 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/ATR981140557.
Prelude - Final Fantasy on Piano and Celesta
Atlas - on Piano and more (Tribute to Coldplay)
You are not alone - Final Fantasy on Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa13b362fb0b80a181b88c8a5068e4fd5d4b0e15dc9caa6d6f485bb5fd7bd1b53. Chain 2 (Bitcoin): anchored in block 958622 (2026-07-18T22:58:55Z), 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/ATR981145747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe28fdc4032de6dacf5a2e9fd8254734d3e56ce6225a907d74d281615388ecbdd. 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/ATR981146137.
Calm Before the Storm - Final Fantasy on Piano
One Winged Angel - Final Fantasy on Piano
Comfortably Numb - on Piano (Tribute to Pink Floyd)
Ashitaka and San - from Princess Mononoke
Morrowind - Main Theme on Piano - from The Elder Scrolls III
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26fd90f29688fe998efb8e32e48dcc587593c56c017cf33b1547df6d297d9e60. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T19:53:39Z), 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/ATR981154229.
Skyrim - Main Theme on Piano - from The Elder Scrolls V
Those Who Fight - Final Fantasy on Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59b27b0b83a3a4b9f424c134e325c6e02b25d82a924aafa6074e0eabd7aa44f0. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/ATR981159797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05d0343f61c4bd665b852ba1f5e5a623545645288eaecd7641ba08c3ca675a4b. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/ATR981160290.
Opening - Bombing Mission - Final Fantasy on Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74390e3f782d0efdbb5d60ea66544079444d699182e9d8cd66bd504e808af7f4. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/ATR981188340.