Juju (also styled or romanized as ju-ju) is a spiritual belief system and group of associated practices incorporating the use of ritual objects, such as amulets and spells, affiliated with religious
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 0x0142b169374d2002f2df15e8ab5d9352639046937c6b4447be1b744a95066be7. 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/2d7a84a4-6ed7-4428-a58c-9a5fb463be61.json and https://artists.proofprofile.net/proofs/artist/2d7a84a4-6ed7-4428-a58c-9a5fb463be61.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 → 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 0x1cc6a29280607ce3eef772e62ef71ef20ed24083d7c1c7151897c8fd157d062b. 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/JPN300900101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f6f76934a9a5de00a9050c266d0ab76847f3be23bae564253328b7c7d419f67. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/JPN300801821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33e4f1fc66fe9060b746527595e20f9c57e643f921e648155eb7146183dcd3d3. 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/JPN300900102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bf23d1c9dfaa88144ce43668f4fdc3eb92f1b6cf83caeaabae367daec56d9bc. 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/JPN300801362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb22a7e569c773e8f68457b742862090abe1dec66c214369cd632640600dc88a0. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/JPN300800461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d6334b3c54a3e3f63c79f3233e21b8b432508de2733c7db404d6c557e2d7335. 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/JPN300900103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdad4f3193cb33875be1ed320859d9eb27ec89e3e48d3b32d968ad8b5eecd0f8f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPN300900104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5209ae3e235e4a8a8ea73122fbb3f9629d164ce5c41803ac9aa809c0c39a1b52. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/JPN300801361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24842089111b9b2b7da6a552e6624d2069afed7e73a08b8a08c9e95315c31ec5. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPN300900106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbe321611fe73017636f0317e992be34507ad204faec9af2fd390c6bd98ac4c8. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/JPN300802061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bb703c73549e342243b1bfce7c7f6b985b60fc4ed8fbd062c7b46eaec2ddb3d. 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/JPN300900108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9e36eaf49a22ea373387600466bf9c65ea72c6b3f9d4a161c996926074b95a0. 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/JPN300800281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x213cf1737f0bd0886a380f5bdf87da903ffb8eb4a4629970f1f6f82e29d2d6f8. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/JPN300900105.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd3276e719a5c1cd5d730982e583a0806a7f4de7dfa645e84745ac761ee59ff0. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:04:48Z), 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/JPN300900107.
TOMITA LAB / Keiichi Tomita WORKS BEST 2 -beautiful songs to remember-
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2be07dff5933abdd6024efdfa215590dad329e91a6b40cdeb259e563daee6e7. 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/JPU901402191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x399e4b67e7e87b31fe2eaf41ac3bf049e5a92f1f069e2691506bc501b8dfa048. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPPO00840930.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2bd995bee5ded2a306e9a0be2d0f4cbc42e05f4e1c35ca1b8525810382f4441. 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/JPPO00738070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87957349ba52e5dac664e0ac2eb8fe4da4b98516c6975a3ca4346212a9a50831. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/JPMV00301690.