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 0x6bc732a2bea07ece8a6a67d3172590e92853791ffafd8a50285eda5c0ecdd3b3. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4278aef5-511c-4c5e-b8ee-b154606f795f.json and https://artists.proofprofile.net/proofs/artist/4278aef5-511c-4c5e-b8ee-b154606f795f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x2b74ce9f06d015d787fe102e5c1793a9c26ab94c3e52c457c45d71d92b9a6dff. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPKS00401581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x241000c1db2766e8c65d5537860cf95ff10d5021d8d02d6ff430649c24d2ae0a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPKS00401081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63c16136d09152f6ede6cc97e2138054868540e3c8c0d1f7ab6445382c288746. 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/JPKS00401582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbd962b3f3cae8d19f7bb2d5bfd9b51275370feec478e6fe4d618a448948a37b. 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/JPKS00401584.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadd5f2db8975c3d36383596efcb9766c01e28ccec3b546e706bcf071e7cba120. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPKS00401585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd130b717dfd94ed67fd734790c668f87b85c0bc1033ea3547e46d96e626d2598. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPKS00401587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5e63ec008f91898441e9b37b51389abda43533c03dfe9f05e1488b5cd8baaf0. 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/JPKS00401589.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e81df4bbfa2b66686cac64be2f6e9d8a90a3d6795308b641a5c885495cf9f22. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/JPKS00401590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd3500865cc02e92e01b0534c16369be972e198e866ecb91c8b517545827aa5a. 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/JPKS00401591.
SLOW DOWN!(Akakage's Nasty Funkacid 3000)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fdf22326f2d093d0310b8c436d7377b20183d3c65666a2e55af8ba625fd3752. 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/JPKS00900265.
FAMILY TREE 〜Side Works Collection Vol.1〜
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d43c1a50f9be889bd2516f100bd7ba6e663fe056182e3e3004d804cc409be93. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/JPKS00601541.