Karen Harding (born 18 November 1991) is an English singer and songwriter from Consett, County Durham. Her first single, "Say Something", released in February 2015, entered the top 10 of the UK single
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 0xcd2dacc2735e44901a8a5b99f917f0f3b0600ef6cdd3ce08f9bede7a83dadad3. 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/4ff18bef-c020-4420-9c16-87b0822ca2e1.json and https://artists.proofprofile.net/proofs/artist/4ff18bef-c020-4420-9c16-87b0822ca2e1.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 0xd36f6f6355dbd7ee454dc71f2e48f42cc082130cfaac4923ce9e53e7f1415be1. 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/DK4YA2307701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71609afa4a9fab051d1f89f3dec1559b2e96f60c56cc89660c6258536825b569. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/GBW232100520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74679e3b174a26bc5dde1c552e52f1bb5ad2a3e0c1b05774e0224f2bba781228. 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/FRX452358883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac2f0d66fdaf321811bb350dd1c344db8080723c1772e8472d1d00d5f5c22d1d. 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/FR59R2300979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bcd101f75814762b7aba07424a18cd5b02fe7b2abafbd779ea76427e6078821. 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/AUDCB1701094.
Love For Days (feat. Karen Harding) - Kenny Dope Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9840c6d9889f5f49ca01c5d3e23638ff9ee46a9ecd1001870545dd8f96b5de8. 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/AUDCB1701125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93de5893da2c5b3418a649501e2ece1b7a426aa137381cecb4ece2cce3107b8c. 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/USNRS2241781.
All for You (feat. Karen Harding) - Extended Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe14e15aaceac339cd7eaf2125cf0edeacb624c7027eeac1f6b28bcab18d763b9. 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/GB5KW1901448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6529b89ef7c4f7ee8f92e8711a84e6b9bc41091cc88e5bb570fd5f6b3bbefc4. 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/DES231700010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed43e6f42ce45a1a24760eff8c147eb3a81922eaf260c94d644dd45fedd31e80. 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/DES231700011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc141e0068d7979fc3681b81c735984fd8532330496544a9e8a3fafbb4ddca4. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/UK4ZF1800195.
Wings (I Won't Let You Down) [Krakota Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1f6844e60253b43d070ae244c4c58dafc51678c14841a70d2499ab56ed2b865. 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/NLZ542300182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64cc0407e08f6057aa89d16ada2c20de10c0afd76aa7b1e1e4294268cb11f8b9. 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/NLZ542202164.
Wings (I Won't Let You Down) [Krakota Remix] - Extended Mix
Wings (I Won't Let You Down) [Krakota Remix] [Extended Mix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73834b5e53b386019285b94505de9909032df9218a67a863cb9eda8fecb17db0. 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/NLZ542300186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7c353fb151280f46639c59205a98e54c5e29e9af47f2570e50ea45e83172af3. 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/ZZOPM2237435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79c6c79587177b5ef4bb9d43db62ce97bc2f29286a9d4c49fc09818b7f151fce. 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/USUS12000501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4e6574daec4909feb838a02c39eaedcb80de051d3b30bae3fcab17dc814fae7. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/USUS12000483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x515dffd9b8b2fd600a9febeab07ba74ab1275e6c98360bb6a62b5e209c3dc51f. 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/USUS12000403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a239a6fcca15eb2b66163ca1d82af4dd60065f67003e0c568ba4f90f9013184. 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/USUS12000310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11a6137d3d13f5d7365e31028c05ea16986e5c2454ea7940eee7c4f5fa14d3bc. 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/NLM5S2302129.