Lindsey Chukwufumnanya Abudei (born 6 February 1987), known professionally as Lindsey Abudei, is a Nigerian singer and songwriter. In 2010, she recorded music and had jam sessions with rappers M.I Aba
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 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 0x177de6845cdfba09a90069a21e1bfc5003d60114888c5ca3feb90a87cdb66814. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7d9cf18f-67ca-49e2-b9ba-624d88b6b870.json and https://artists.proofprofile.net/proofs/artist/7d9cf18f-67ca-49e2-b9ba-624d88b6b870.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 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 0x470d08c403bb2ac9260a07b5130383e6865c79a68ef55b957312b2996af3537e. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/US7VG2360614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c27921f457034ac7a738d6cd68dc57e292f68f201c039517b9cf48382b33b22. 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/US7VG2360622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfabf6084a1c17f522f995bbdd5c2f8728c3f4f1646b578a6bd962f5d86d16d5d. 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/US7VG2360623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a6b0e969637c3c01b13be3cc08c35ab3ca8182d664bc178fdc6cbac5c707461. 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/USDY41684160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f73ad49d80ea0b5d79e4e22317f9e3bcd54495fd6373b376277380ec239af8. 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/USDY41684161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc43884ced256fc1409f9d31c09a7464d84ebe866eea711c556669b67fa76aa23. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/USDY41684162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc467dad2747145d3acfae4368a2b7d3408bc22e89e8e8d9963b5b70cf1a02807. 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/USDY41684163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x329f63ece3c3fef052e69765affa1de05d52f838e5e7ef2c34e571be219ab252. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/USDY41684164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46b8bc52bf54291670789c0c4f3147dc7c4e7eac1c3fa8fb0ca3cfb4cd013ebb. 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/USDY41684167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13c2e10de9532aa6ad9ac88aa6744668dfe0885d0da8969d6d9a33e217940258. 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/US23A1588010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab9721a004150fa95ac815c52cefc2300d934dfe8aa70cc9af94cff037cfe8ac. 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/US23A1588011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x182bcff6d454f5c6ae1c99952645f738b16cce484d3322c0b3c03203fc470f70. 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/US23A1588012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x825f829584e708c3e150eb4bb616dc788c63b2a2eb0eb6d66dce658ae7c23f0f. 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/US23A1588013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e6c68d93db039d5299ec1efac22bc91e1814567373b2ee04368ac7d33053e2c. 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/QZHZ32101865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e0c49f83bc64711f06273ac84a0fae04f8d4c87a4745be5f21b6f4a4109f3f1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/US23A1582290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x335772bbff77b04e2f7452d5e3aca3780df2f114f4a8d134b95522ee2a2153ca. 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/US23A1588014.
Hard Education (ft. Ruka of Ignis Brothers)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85c3fe0167f6dc9ba792b68851aa31da5c3a46ebdc69a045ac52963c789f7200. 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/US23A1588015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a9b4de9c1ee03503f131b5abec429edf3360fddbba7158262cc1baed48ba128. 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/US23A1588016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x092925264d0ba85ab6499cb87a80a4d69fa1a46feb23a6aaa0cd999661b98825. 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/GBLLT2334329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15e8cb8c766f13290af83eb00705e944c55ff524b84d72e616998b66ddaa9abe. 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/US23A1588017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d7ab45f43eee997e7640eed5b7237f574d97677666032228caa7c9663c2a8ab. 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/GBKPL2202447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24fc32a1b20099106d69f97a089af3c9dd17a98362a0dec77617e41f21d1d83a. 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/US23A1586515.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fd6c923ab1fcb118dc4f6031ae686416b539d4d61b18fdc3f2db61ede2c2e29. 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/US23A1588018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e18366ee163d8b3176a55cac012195230bf86e87896b4f4478198aa857412c8. 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/US23A1588019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa9d5a20771502608d4a4668259c4b8924b1375167ce2756c9b111af658ffdd0. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/QZNWW2260219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x367b199c8b40db7333f937723ea3bf852d3af2c0466b7e85da659a035d4785bd. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/QZNWW2260220.