OpenTechnical

OT-2026-000082908

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented after set-down

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-2026-000082908) never changes.

Identity and time

Publication numberOT-2026-000082908 · never reused
Internal UUID01a0ae97-8cca-7ba0-a216-5bb518fe1cc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082908
StatusPUBLIC

Content hashes

Canonical textf6e45dbbc223ddc64f3e06914c1977ac657e75098493abf4556eef8f268ffab5
Markdown069f74b3d5afb11ae1ba866faa7af01f73e0c08013d3287477fb6f23a4a9baff
PDF
Publication page4c4e1955b3fadead23b6d0fb866b7e6e69d4ec4ffddf385f0fa883ab03af5b31
Manifestaedb9b89760d930e0a3c1c5b8cc9a35be54964687c527fee426b04b0b6e706be

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
SignatureO7jx9yqM/Xo8mHJ5TjAEXAepNaVw7a5CaSCEf4625eLMQllJXPqOUnUbgBp5mBH3Uou4aS/6R5ZncuF9qA1mAg==
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

2026-09-17T09:58:35.848071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082908
observed 4c4e1955b3fadead23b6d0fb866b7e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.829945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082908/manifest.json
observed aedb9b89760d930e0a3c1c5b8cc9a35b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.812001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082908/publication.md
observed 069f74b3d5afb11ae1ba866faa7af01f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.793985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082908/publication.txt
observed f6e45dbbc223ddc64f3e06914c1977ac...
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.