Sylvia may refer to: People Sylvia (given name) Sylvia (singer), American country music and country pop singer and songwriter Sylvia Robinson, American singer, record producer, and record label execu
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 0xfd2f63e3ac6792a0a0899d7873cef66f2439ad228b113aaef029b4d739737e34. 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/6b4f83cf-e4cd-4cda-aeda-c1f2f23ea26c.json and https://artists.proofprofile.net/proofs/artist/6b4f83cf-e4cd-4cda-aeda-c1f2f23ea26c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pillow Talk: The Sensuous Sounds Of Sylvia
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 0x32ea1a030dab16a82a7854fd1dec56dc41663f638fabfaec642f48c59037169b. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/USRH10550404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e732e9ed98b7c95f12b3a88641d76cec50444de3be1fc7cb507089ab84d7e5. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/USRH10550408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e5ad1c3aadbdb0dccc8b147311a560879516ffc83f1af189cfa7f2ef3574940. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/USRH10550410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f29dfae8610849ebce3fe77ce13258b0a1dd374d758ac2948673b63536cc835. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USRH10550411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cba37e875a75786464825d7f64250472f8c1eea4b9531d82da44db081d8bd1f. Chain 2 (Bitcoin): anchored in block 959080 (2026-07-22T00:07:05Z), 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/USRH10550413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e035c5d9959052eedf1927f4ac03ef61a0892ed572eebfeac7688ad496c6009. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/USRH10550416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78e3514dc8ee36db8cf22b0ece185dae5e5e6a2b2dfc65c88dabe1d7467a5bbf. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/USJ3V1857855.