OpenTechnical

OT-2026-000066578

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000066578) never changes.

Identity and time

Publication numberOT-2026-000066578 · never reused
Internal UUID01a0ae8e-ce41-7e83-b141-f97b38a2b400 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066578
StatusPUBLIC

Content hashes

Canonical text4212be6c7be9e791be0169b5ecf04121a8c88a89216c28da684fb3d17574bb9a
Markdown535e1de2ca99e5399aa8c7d96f36d7b8addcac72f1717ab1a948768230256a7d
PDF
Publication pagefc363930455e381e0a3c262e54e6b3f29e087b2255956361b09b0c37c3a90541
Manifest83018202477b0bb855deef68a25f337a5fbaeb4e4855cf992262223f234be3f1

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
SignatureKFTvt9R/zkIjbmZHN6qIIBQ8gqn9ufh/Q13OEr5UYEeXTPqMmlS/tNkRCpryR0IH55MmVopPQ9SBuyXXAxJQDQ==
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

2026-09-17T10:32:51.148661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066578
observed fc363930455e381e0a3c262e54e6b3f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:51.131034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066578/manifest.json
observed 83018202477b0bb855deef68a25f337a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:51.114657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066578/publication.md
observed 535e1de2ca99e5399aa8c7d96f36d7b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:51.096565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066578/publication.txt
observed 4212be6c7be9e791be0169b5ecf04121...
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.