David Todd Rawlings (born December 30, 1969) is an American guitarist, singer, and record producer. He is known for his musical partnership with singer and songwriter Gillian Welch. He and Welch were
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 0x4db58b25a05482aca0252f229e61e1d95a14410c86af555b9cbb0f38d5f9abbf. 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/fcf3158d-5814-4b2d-9653-f5fa76a896b2.json and https://artists.proofprofile.net/proofs/artist/fcf3158d-5814-4b2d-9653-f5fa76a896b2.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 0xb6b1c8fb91222336788780a02c3b090aa72c907da6d5bf9ad94e7b11f73bb214. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/US2AR1771302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6029479522c01d7f20a193d18b143da03d62c15e79396e9cbfa6714647286a0e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/US2AR1771305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e51f2a8f86c5ea45287692e59056ec6dd1a0f74ef7a6953c8427fd75f799f42. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/US2AR1771306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39b3365b9b4e98f368b6799bb132bbc91616fe77bf0552cb51d821cb4569589b. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/US2AR1771307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf66411c84ec27ff33435fab09b1a79772f2616dad5b55defc253e90dbcad375a. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/US2AR1771308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c77bfa97f51ef6278c85ff9963e476cebf7c7e871fa564ca9f2ffb1b862426. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/US2AR1771309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61d0f505f232e454b8557e23abeabbcdb0a179bd1acc5325c1e4808a89370a5b. Chain 2 (Bitcoin): anchored in block 958714 (2026-07-19T09:51:44Z), 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/US2AR1771310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6b1c8fb91222336788780a02c3b090aa72c907da6d5bf9ad94e7b11f73bb214. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/US2AR1771302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6029479522c01d7f20a193d18b143da03d62c15e79396e9cbfa6714647286a0e. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/US2AR1771305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e51f2a8f86c5ea45287692e59056ec6dd1a0f74ef7a6953c8427fd75f799f42. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/US2AR1771306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf66411c84ec27ff33435fab09b1a79772f2616dad5b55defc253e90dbcad375a. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/US2AR1771308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c77bfa97f51ef6278c85ff9963e476cebf7c7e871fa564ca9f2ffb1b862426. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/US2AR1771309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61d0f505f232e454b8557e23abeabbcdb0a179bd1acc5325c1e4808a89370a5b. Chain 2 (Bitcoin): anchored in block 958988 (2026-07-21T09:08:06Z), 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/US2AR1771310.
Something Borrowed, Something New: A Tribute to John Anderson
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4adda293c07d946f2cbee59968e694f07300a8ffb0382c1641d4f4b1f6884793. 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/USC4R2212390.
Loretta - Live From The Ryman Auditorium, Nashville/2004
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcef61deb2af95838a98293a0fd098c74e022a1e6dd1fc086ae4fd64a0fb76e5e. 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/USBN20400747.