Chris Bailey may refer to: Chris Bailey (musician, born 1950) (1950–2013), Australian musician, member of the rock bands The Angels and Gang Gajang Chris Bailey (musician, born 1956) (1956–2022), Aus
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 0xa05cac7497af40cf7e6d3d1a2ccf9267c06d08b40f1549d45d49fbc897010c7d. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6f3450ed-219a-4535-b84a-cbd5c34cc950.json and https://artists.proofprofile.net/proofs/artist/6f3450ed-219a-4535-b84a-cbd5c34cc950.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jan Douwe Kroeske presents: 2 Meter Sessions, Vol. 5
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 0xb0cb5a7f7fcfc4a8853f57b465ac59d68720ab9827467325d22f6ef5a110dde4. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/NL07C1700609.
Seven Lakes Junior High Varsity Treble Choir
2018 Texas Music Educators Association (TMEA): Seven Lakes Junior High Varsity Treble Choir [Live]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5a603390ba943c335b89fd1817b6948e3c6c21863a2a552cc1e3e197dcc385. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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/USVZX1809807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x680eb5cadf5827f48aa24f9133c8a53f436bbca1dc82774bbd4f5825c81b278b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FRT900900137.