OpenTechnical

OT-2026-000083228

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000083228) never changes.

Identity and time

Publication numberOT-2026-000083228 · never reused
Internal UUID01a0ae97-c963-7c50-9385-d53f4aaeb3fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083228
StatusPUBLIC

Content hashes

Canonical text7a97813788e5e65e5b4425ae9d9bb47b725d6ef40a023fffe195189ebd455093
Markdownfcaf649ee4af2f029794d3cac520269d25a7920a9f2cec107d7aca00e397d11a
PDF
Publication pageff1db5fb147efbef4a0916a3e48496712a1b675e4282aab68b82917f8297b682
Manifest0106a896ffd728eb684eb386a728274e6bf888ccf1281dbe0b98c9841a1094b1

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
SignatureWcCaumXIrvqsORbRsDvLr6WscKk441+LMNKrNLLkfOkv5azUaoxRi4ypAr/+W04DKmUlZpbcjP6Nm/8zSZBpCg==
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

2026-09-17T09:01:10.369732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083228
observed ff1db5fb147efbef4a0916a3e4849671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:10.351200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083228/manifest.json
observed 0106a896ffd728eb684eb386a728274e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:10.331554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083228/publication.md
observed fcaf649ee4af2f029794d3cac520269d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:10.312465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083228/publication.txt
observed 7a97813788e5e65e5b4425ae9d9bb47b...
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.