William Dawson may refer to: Politicians William Johnston Dawson (1765–1796/8), U.S. representative from North Carolina William L. Dawson (politician) (1886–1970), U.S. representative from Illinois
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 0xefde0eb3b279575fb6b105435a938f2acaee161c6e14cc7dc15458f7e0900394. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f1b2226a-b74a-4e6f-b195-e51ffa02011b.json and https://artists.proofprofile.net/proofs/artist/f1b2226a-b74a-4e6f-b195-e51ffa02011b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dawson: Negro Folk Symphony: III. O, Le' Me Shine, Shine Like a Morning Star! (Live)
Espiritual Every Time I Feel The Spirit (En Vivo)
An American Mosaic - Folk Songs of Our Diverse Heritage
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 0x3ad93e183118c34e9df12193b8d8cc1e848056878bf667595b6c8841ef090a6b. Chain 2 (Bitcoin): anchored in block 960387 (2026-07-31T10:06:30Z), 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/USA5R1259602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46bc3364b9bde1593be16efe3fe782a8052bda0c1f95ccd82e508a85397cfff0. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/USA5R1259622.
Negro Folk Symphony: I. The Bond of Africa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb84465915df3bd1d276a372f39829d4410684e38b8b5c3ab65983c455ae0305. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/HKI191935201.
Negro Folk Symphony: II. Hope in the Night
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x560d7ccb4e188f0f7e244f18811877adf5019224a83f332e47898deea451cd60. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/HKI191935202.
Negro Folk Symphony: III. O Let Me Shine!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23b84d78362f12716012a9c1cce9cca80c25e403e15e75a373a7f76be0d6cdf3. 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/HKI191935203.
Mary, Queen Of The Universe Shrine Choir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab4283412b9c815c24f2a600423153f0ffd66f9013e872e6aa64687a11f7814b. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USA561253509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2ab721112414a7f54780d54671b312f857563acde8b3e3d92d8658284935deb. 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/USAB11871516.
Negro Folk Symphony: I. The Bond of Africa - Live
Florence Price: Symphony No. 4 – William Dawson: Negro Folk Symphony
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd66cbe532d256c2da41fca83826aacc0a54e71dfa8f3c7847fcc52c8a92093e3. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/DEN962302341.
Negro Folk Symphony: II. Hope in the Night - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58029c2aab8d23606990cb0d54af6b8d47bfcd5a0a4e69e84a4f573d41573944. Chain 2 (Bitcoin): anchored in block 960167 (2026-07-29T23:42:34Z), 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/DEN962302342.
Negro Folk Symphony: III. O, Le' Me Shine, Shine Like a Morning Star! - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e6ce9731f5f4b0192ab3b5300c95d15b6150f15881ed81b1fb63be7d711ba30. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/DEN962302344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b9a8b05495ae27ce2c7a03bdb67a5f0f370256829dd3e35a11eebdb4cff1319. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/USVZX1311211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb84465915df3bd1d276a372f39829d4410684e38b8b5c3ab65983c455ae0305. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/HKI191935201.