OpenTechnical

OT-2026-000089598

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000089598) never changes.

Identity and time

Publication numberOT-2026-000089598 · never reused
Internal UUID01a0ae9c-1a21-777e-901e-17f958e05765 · 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-2026-000089598
StatusPUBLIC

Content hashes

Canonical textb8b3686455046ce60351d9339d393ffd5839f2722313bca9d02d2db30fd584bc
Markdown25f63b8a0542a82bd79a1b9bd64eae2a8b3ba1256890d17be42d9012cf501ce8
PDF
Publication pagefded5f4c1c862aa70cd65cbc9740357cce8fa9540c55287f35b4492be571e724
Manifest56a56ad8ef31d23aa2f6a85cefb1ffa644d869024940ba4e250c458a9831ee11

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
SignatureaMqOWjXQgTy7do/xBQrzBZfeOiTtNiL6vKcvUCOB5FhPI6e6BmlZhgC9f6gFMLRzvXW9TgNjPcKHErvJA5iBAw==
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

2026-09-17T09:46:34.570379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089598
observed fded5f4c1c862aa70cd65cbc9740357c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.552735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089598/manifest.json
observed 56a56ad8ef31d23aa2f6a85cefb1ffa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.534219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089598/publication.md
observed 25f63b8a0542a82bd79a1b9bd64eae2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.515554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089598/publication.txt
observed b8b3686455046ce60351d9339d393ffd...
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.