OpenTechnical

OT-2026-000089569

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000089569) never changes.

Identity and time

Publication numberOT-2026-000089569 · never reused
Internal UUID01a0ae9c-1a21-739a-9991-a40dade59d73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089569
StatusPUBLIC

Content hashes

Canonical texte37c0f7ba32f7a2ba5e2f1e5ba73b175faa9d9f87d8412d78b716db37af9f4d9
Markdowncb4854912d6abbf4804324c8459096760ccae806a473e10805474e9c96124184
PDF
Publication page47038ac7f5346a014604142599760fb1582cbc172649341ff91c63393a1df21a
Manifestb437aff5bec553d989b38ec5da4df746337b91e80ac375100d87dba05d455923

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
Signatureu3hfeSImnztqmXKZQ9bVn+KeO56ZLRGK0aC/gM9L3dCfznGtowVab0bCkO+M1pzXbO8KSQittUKgwe3swwAnBQ==
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

2026-09-17T09:46:32.598137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089569
observed 47038ac7f5346a014604142599760fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.580409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089569/manifest.json
observed b437aff5bec553d989b38ec5da4df746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.562870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089569/publication.md
observed cb4854912d6abbf4804324c845909676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.546042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089569/publication.txt
observed e37c0f7ba32f7a2ba5e2f1e5ba73b175...
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.