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 0xdf11417c90aaa4b96a027c89b759b3655424be0ae07b3b83cbd952b0063e51f1. 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/14070e11-aeec-4267-a9ee-9afb789f8142.json and https://artists.proofprofile.net/proofs/artist/14070e11-aeec-4267-a9ee-9afb789f8142.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
My Castle Town (From "Deltarune Chapter 2") [Piano Cover]
Hopes And Dreams (From "Undertale") [Piano Cover]
Kass's Theme (From "The Legend of Zelda: Breath of the Wild") [Piano Cover]
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 0x47ac156a1ecbdb1046ec99b3d7ea63d2b52718ffa00913fbd485f2c380298b53. 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/QZGWX2115287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b3223bb643c11b673672b1bafc7845af7f0dc2ddd3eb8f26d8a392e953fc5a5. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/QZGWX2193186.
Suite No. 7 in G Minor, HWV 432: No. 6 Passacaglia (Arr. for Piano)
River Flows In You (10th Anniversary Version)
His Theme (From "Undertale") [Piano Cover]
Kataware Doki (From "Your Name") [Piano Cover]
Dream Lantern (From "Your Name") [Piano Cover]
Theme of Mitsuha (From "Your Name") [Piano Cover]
Fallen Down (From "Undertale") [Piano Cover]
Fallen Down (From "Undertale") - Piano Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b25203374c4b8df763dd05c5e3885658ac10860fb1a8ebec6ce058f1cc269e2. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZPJ32154626.
Undertale (From "Undertale") [Piano Cover]
For River (From "To The Moon") [Piano Cover]
Sparkle (From “Your Name”） [Piano Cover]
Sparkle (From “Your Name”） - Piano Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc30ee9059c1408a06169e7286de23a1ea9d102f0f10a2c5edabb2b79cb42cfb0. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QZPJ32190591.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5ac8256d42ea97da29aef8aee3a5e875bd31f6ee7dc63729058277c368c3ffa. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/QZPJ32190589.
你离开了南京，从此没有人和我说话 (钢琴版)
Is There Still Anything That Love Can Do? (From "Weathering with You") [Piano Cover]
Fireworks Festival (From "Weathering with You") [Piano Cover]
Wet Hands (From "Minecraft") [Piano Cover]
Wet Hands (From "Minecraft") - Piano Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd40a6ff56302e3adddb98b48e87c3e886e01f7810488909e0cc662cdf373bc70. Chain 2 (Bitcoin): anchored in block 958401 (2026-07-17T11:10:25Z), 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/QZPJ32190596.
Faye's Theme (From "Finding Paradise") [Piano Cover]
Once Upon a Time (From "Undertale") [Piano Cover]
Born a Stranger (From "To The Moon") [Piano Cover]
Born a Stranger (From "To The Moon") - Piano Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd4b96ecc8603f950db4e9ffc560b3ed1eb383baf89dc8acd20d714fd4a2c6d. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/QZPJ32190593.
Everything's Alright (From "To The Moon") [Piano Cover]
It's Raining Somewhere Else (From "Undertale") [Piano Cover]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ca3bc58611b2391684635b6cb2de6a7af17292ac1c2c14d46bcddbf5bc36ad0. 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/QZPJ32192068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8903510030104f9c59317f7d366c4c93eeb638dc389fbe3a3d93855d3e646709. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZPJ32207393.
Reunited (From "Undertale") [Piano Cover]
Quiet and Falling (From "Celeste") [Piano Cover]
Don't Forget (From "Deltarune") [Piano Cover]
Ori and the Will of the Wisps (Piano Cover)
Call of Silence (From "Attack on Titan") [Piano Cover]
Call of Silence (From "Attack on Titan") - Piano Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81a8455ef2fa72b6b59c9cf3c7b491ec433a51aefeb95b985968cc2b412210fe. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/QZPJ32262915.
Light of Nibel (From "Ori and the Blind Forest") [Piano Cover]
Andante Risoluto (From "Succession") [Piano Cover]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16fb9a5fa3208f204168f5425635e49c05e20ee99aebbe7a19ae49c213d63572. 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/QZPJ32341982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07ca9645c03d2cfb6675d0830c5ad778ce8ef2f53236073ba9d5cbb442babd51. Chain 2 (Bitcoin): anchored in block 958067 (2026-07-14T21:26:15Z), 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/QZHNC2430412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73ee5c1b8ee106d5e660d4f8c267e70e43f7f8360c71e2ed2b56a8d6e7c13246. 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/QZK6H2495232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1972d80fd602ab27268805ceb96cc58292dab0ffd39d4e66ba8317b9a917b7cc. Chain 2 (Bitcoin): anchored in block 957723 (2026-07-12T15:34:17Z), 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/QZPJ32382442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5fad51467bfff1831425d0fc47399ae16d42439efda2848e60f186699bef550. 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/QZPJ32389942.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc147394b49951e006dd29b22ed78ff02c591801c42d9b950de20dbff2934a00. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T11:26:33Z), 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/QZZ772449802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe179b3e21733751e38c0c8748ed22a42c11af49fcfb7c1df53d376aa997460b. 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/QZK6H2532893.