OpenTechnical

OT-2026-000087593

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000087593) never changes.

Identity and time

Publication numberOT-2026-000087593 · never reused
Internal UUID01a0ae9a-cd53-777d-a860-34312de9334d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087593
StatusPUBLIC

Content hashes

Canonical textc43e171afa14c3b81c6113db73691dc31c9ea6fe1c21b18af4c89549bea35d89
Markdownb7a51bf8662b43ade171c91493859b931976eceba85322a5cd833be959e9f21e
PDF
Publication pagedbe4fb91f53cd8a9aab5cbd0213c09fc8184f2dbe77c91efba0d15c22129ecfd
Manifeste0bb3b97aa6f27cbae0026df0a7edd7ded7775df8ab53559fe516ef7a248b77d

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
Signature+Wt3TBsM+NS6/M66jz22jHsuDaTzdu1wxF6E8ZNdemiZItGGBoIT+maqIowV8ihafVDbaDlSK5p7VIw1WOODBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:01.793155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087593
observed dbe4fb91f53cd8a9aab5cbd0213c09fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:01.776970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087593/manifest.json
observed e0bb3b97aa6f27cbae0026df0a7edd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:01.760193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087593/publication.md
observed b7a51bf8662b43ade171c91493859b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:01.742728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087593/publication.txt
observed c43e171afa14c3b81c6113db73691dc3...
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.