OpenTechnical

OT-2026-000006185

Publication integrity record

Bellows cup vacuum gripper, two zone face, three stage ejector

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000006185) never changes.

Identity and time

Publication numberOT-2026-000006185 · never reused
Internal UUID01a0a952-3acb-756b-8f01-0110a49eff8f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:25:33.647538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006185
StatusPUBLIC

Content hashes

Canonical texta683d244d5e8a7bf061d3b92de19fc84cf83d56020d2dfe8a73c68ce0c92a722
Markdown1805e35ca28179eec6a86e34c365542c693555bd5a641224add7ef3f8abd094c
PDF
Publication page5160fc1014f0f5b9b525efcd0dd7607070108c3faccab03a2ca31023fa35e2a9
Manifest652b532b17266c3acb0806376cde0cb33a27751008e0cb558e647dbb1daac371

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureQm3wxSM2bE53Il4EG5NQeS1kXOugT6eVdzwj+QrxSgTMAkV14Dkg8xkS21nHq21v6AIKmtbWqeLfjMwreeV3BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:17.712388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006185
observed 5160fc1014f0f5b9b525efcd0dd76070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:17.694623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006185/manifest.json
observed 652b532b17266c3acb0806376cde0cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:17.678976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006185/publication.md
observed 1805e35ca28179eec6a86e34c365542c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:17.661778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006185/publication.txt
observed a683d244d5e8a7bf061d3b92de19fc84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.