Rainsford is an English-language surname, a variation of the toponymic surname Rainford from the village Rainford, Lancashire. Other variants include Raynsford, Rainforth, and Ranford. Notable people
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 0x74b5fdca92d35d8747d89de5c03f1aa30c9ce3a7753aa19e191b84868db61a74. 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/ba1814ac-d42c-4977-b4f2-6abe774e0fc6.json and https://artists.proofprofile.net/proofs/artist/ba1814ac-d42c-4977-b4f2-6abe774e0fc6.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 0xff23bfb11578de9992a75aa6dba127e5998e847b24b818ef3def4b769d0b3481. Chain 2 (Bitcoin): anchored in block 958067 (2026-07-14T21:26:15Z), 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/TCACR1686907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d4da74e26d1b0dd2a06dd2925ed7493acb83365ae94b08866652b66d794776b. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/GBKPL1899292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4641a02aa333fc6c4afb0ea0a7dfb31ebfbc5e16e2d798d59f7248c8cdc3f55. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T01:35:05Z), 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/TCACP1622029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x259295f6ea353bf7b213bbad1d4e604a081af88e4631ac3b6193ce406d4f14d5. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/GBKPL1791763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbf971fe33439f011dec33e5a5ddc50ea6b13906f30667b1f520d42a0eca523a. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:35:19Z), 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/GBKPL1828383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8342d5a129231658e5e0bb78fd6ee0c6e66ac0b1826b51e5b3b27618694f703. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/GBKPL1941005.
6ft from Love (From “Love in the Time of Corona”)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ed567b242467409a24f292d2250b9394806f014490cad319020a54c23e7ad5d. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZAKB2154335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc95dfc9fa930909986974f11fec661a87fbac9b8b5b319f0404058ebf848a0f3. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T17:01:56Z), 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/QZAKB2323564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe69c8a9a704d903e6c04c72f5e17be47fefd3a81a9a9aee9d9b21f7cccb593ee. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T03:11:40Z), 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/QZAKB2513577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d7c5f9ad9949ad46a3b00c157a622d4b0212371bb5f43a9e483bbab44bd26c2. 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/QZAKB2521270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8b5ae578b28a0e1c090ab0b1d817e1a2a20e2ed413f0511ded7d94bb554470e. 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/GB45A2102595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb77db997d86c4ce458c251310596e4b93d6077ffbf5c6687f83459f0a3bb65ee. 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/USP6L2201162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8514625397b4bb60d39b803b6b24ea52beeda58edfb1159709940677327911b8. 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/ITUM72100149.