Stachel is a surname. Notable people with the surname include: Ari'el Stachel (born 1991), American actor Hellmuth Stachel (born 1942), Austrian mathematician Jack Stachel (1900–1965), American commu
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a7197303416a0b1bc502866e729c02cac784a50180f356668ca284a976d7e70. 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/6ffea02f-52d1-43e5-a4ae-23f89e7a7b99.json and https://artists.proofprofile.net/proofs/artist/6ffea02f-52d1-43e5-a4ae-23f89e7a7b99.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Against The Pressure (compilation tracks)