OpenTechnical

OT-2026-000085341

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000085341) never changes.

Identity and time

Publication numberOT-2026-000085341 · never reused
Internal UUID01a0ae99-aaaa-7def-8744-ce0d11fffcd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085341
StatusPUBLIC

Content hashes

Canonical text4365484f942c1310fb402c34abecedf83af25bd449a9a8afe7209c6af1cb5b2c
Markdown8aef1fda908f130ea1337253230a7e2f44a4a22729dab73e3d51a46e0e85b019
PDF
Publication pageb4a1db94ea65ef998194c18d56ff26d450b8b67dcd316a064f84df7b8af11a7e
Manifest7283b09c8c438c71925216e75f94fbea5127de392520399c77b6df6057147aa4

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
SignatureXR9t8DYUEShqJN/YdIC4DJqu/tKG+T+ipuiho3mjGQbjhO5tye1MC0qX8SVrhWtcD8hjHrpxILTQARzUh2SCDw==
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

2026-09-17T09:54:04.181194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085341
observed b4a1db94ea65ef998194c18d56ff26d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:04.163323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085341/manifest.json
observed 7283b09c8c438c71925216e75f94fbea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:04.143107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085341/publication.md
observed 8aef1fda908f130ea1337253230a7e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:04.123439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085341/publication.txt
observed 4365484f942c1310fb402c34abecedf8...
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.