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 0xac90686b222b10d8ff550c5edf9ffeeb554e9e2b6f73db2c35417b33f22406a5. 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/ff6a1e88-e7ad-450c-8d95-ae27015035ca.json and https://artists.proofprofile.net/proofs/artist/ff6a1e88-e7ad-450c-8d95-ae27015035ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Visiting Hours (Piano Instrumental Version)
That's Not Your Coffee (Lofi Chill Version)
My Universe (Piano + Little Surprise Version)
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 0x7c96e68b00ba4418ffce8002dae77bd571a4791905cc48235d014b9e6cc352f1. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T05:27:47Z), 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/QZNWT2145708.
Somebody That I Used To Know (Piano instrumental)
The Joker And The Queen (Piano Instrumental Version)
The Joker And The Queen - Piano Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ea31aea0db1e4bc0658cfb659259f62dda83dc6e890c5c8cb61b2c14b6ed9e9. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), 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/QZNWX2134177.
The Joker And The Queen (Lofi Chill Version)
Little Talks (Piano Instrumental Version)
All Too Well (Piano Instrumental Version)
Say You Won't Let Go (Piano Duet Version)
Just Look Up (Piano Instrumental Version)
Light Switch (Piano Instrumental Version)
Wishes (Snowdrop OST Piano Instrumental Version)
It'll Be Okay (Piano Instrumental Version)
Let Somebody Go (Piano Instrumental Version)
Let Somebody Go - Piano Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15b5fa3ec72d7b3ee04fac31cf66a6827e832b4fdad419abb263b36c9ef31b68. 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/QZDA62226983.
想知道你在想什么 (钢琴独奏版 Piano Instrumental Version)
想知道你在想什么 - 钢琴独奏版 Piano Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb597b6a314042eec70b918da8ea17eaf786b82f20ead0712dc5249b1be5130a7. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZDA82210019.
love is just a word (Piano Instrumental Version)
Complete Mess (Piano Instrumental Version)
Forever My Love (Piano Instrumental Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3968d17538bcdad46566fca82683414ee43eaf814112084dd87c681fadd944f. 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/QZHN42231148.
That's Hilarious (Piano Instrumental Version)
Feel My Rhythm (Piano Instrumental Version)
Love Me More (Piano Instrumental Version)
Hold My Hand (Piano Instrumental Version)
Hold My Hand - Piano Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x865aedd5f89d263b2d6ac8fab4b6189c29632960965cfc0a1b41654ba5a4469f. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZHNB2224525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7b3ea929d3d87663bd280f17cad6594f1ab840e9626239930c5837c1473db4d. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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/QZHNC2242351.
Glimpse of us (Piano Instrumental Version)
Late Night Talking (Piano & Beats Version)
Bad Decisions (Piano Instrumental Version)
Until I Found You (Piano & Beats Version)
Until I Found You (Piano Instrumental Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x454f059781744925c83d495f78a5bf3880f3801ae55aaf35a7cdc2a78b53387d. 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/QZNWW2209166.
天空没有极限 The Sky - Piano Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ae771943349cea256d2fe235c44bcd1d3bdb934acfdd4e82744a3e8149b7092. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/QZRP42245037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cc6484b13006d4d15b54a5ec8ce2849971f3f571702f36eae0e241afdefda83. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/QZTB52277709.
Shinunoga E-Wa (Piano Instrumental Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6180981eb2b4ac145d1689ac887234ab92303bb32db892e37b86dec5517e0bbe. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/QZDA52301726.
My Stupid Heart (Sentimental Piano Version)
My Stupid Heart - Sentimental Piano Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe23b6b1294d0e30357ec6282d5ccfd369ea6508047d66898ba4073888d5c5a9. 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/QZK6L2373678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37a9401ddd4b7456b4660368bbb4a3ee97b4d146cb440889675bc60383d18227. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:57:15Z), 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/QZK6L2376130.
What Was I Made For? (Piano Instrumental Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42a9d45c0bcda8f415eafbc23119016181982b2af9c620f16bec7ee3e61d3f02. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-17T04:41:14Z), 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/QZPJ32296924.
Can't Catch Me Now (Piano Instrumental Version)
Can't Catch Me Now - Piano Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa90116f4250d7c047578a3e3812a43b6ea29a1546d75614f9a6d280cb00fc765. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZWFG2300685.
My Love Mine All Mine (Piano Instrumental Version)
My Love Mine All Mine - Piano Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f7361013253efe4b7dea0e1862083dd8f33ebf49a734f3da06a9d20ccb0c374. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZWFR2312219.
Love wins all (Slow Piano Instrumental Version)
Love wins all - Slow Piano Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e8abd3ce3167f23e0a30488515dc9172e58f6a0a4632bf59167e3c9c3d5a296. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/QZDA52437177.
Beautiful Things (Piano Instrumental Version)
we can't be friends (emotional damage piano instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd371ab8e55d3833b414dc1e3979a92badc4676f4fe76514589cd83bf0c533aa7. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-17T04:41:35Z), 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/QZMER2474547.
Love wins all (Orchestral Wedding Version)