Sippie Wallace (born Beulah Belle Thomas; November 1, 1898 – November 1, 1986) was an American blues singer, pianist and songwriter. Her early career in tent shows gained her the billing "The Texas Ni
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 0xbc3499f0764527936a5d2ee83b1d1a79d68a1f726c34655dbd01e2233b4bf872. Chain 2 (Bitcoin): anchored in block 953765 (2026-06-15T08:55:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bf3b6166-4cfb-4bf1-bb53-10be770acaa9.json and https://artists.proofprofile.net/proofs/artist/bf3b6166-4cfb-4bf1-bb53-10be770acaa9.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 0x86e636d059f14fdec78f40b00fd6a271e438a15a578733f0787af221b927c4f9. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/DEXO52495372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd509a47418237e4d01d5f7f2d373d99581b4ca85800e87cd1cf32db79b0952ac. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/USAT20402733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75161f454c7ec2d4ca4a61b3067b843e914974f257f527057803d3e0f34e66de. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/USAT20402738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cbe5aab36dff1492c5b52b442e6dd150d5a1e62af28f5371a19cf766ed1fb20. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/USA560569193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93737392a431c6f906aa260f3ceac223e56e2f2a940c41ff6818857b6dd1e023. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/USA560569174.
The Complete Recordings 1925-1945 Vol. 2
The Complete Recordings 1923-1925 Vol. 1
Top 48 Classics - The Very Best of Sippie Wallace
Hey, Hey Mama! (The Recordings Of 1923 Remastered)
First Time I Met the Blues (When the Sun Goes Down series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc575b7f0cf4d3d3b5a6d210e15f3cfa225af97929deb09b5765ff17b8155ce80. 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/USBB10200478.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4652f3a39b9da551646a7bc4f2407a58da784fe30ae36363929b0dbc0d88db8e. 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/USM2U0802812.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe32b45489d780784ebfe3c87a6bde169b7fe01a33d6455fee29f37d2cc6f1af. 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/USA4A0901219.