OpenTechnical

OT-2026-000104410

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000104410) never changes.

Identity and time

Publication numberOT-2026-000104410 · never reused
Internal UUID01a0aea5-3421-7dcf-8a47-0628e292af1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104410
StatusPUBLIC

Content hashes

Canonical textcd49286a5379ec92f1609004209d3fdea63985bd30db77dd0c4551b059c3c440
Markdown94c307d426eefb29467fe1560b7dd48ed70ac718c9e6c10ba89aa5e84e8d7a33
PDF
Publication page27931495fa399fe226e28cdb5a5658b33108768deda6c4c7f328ccd6f53a5c6c
Manifest65270e51e4cde90608373bcf96d71fafcb46a41ae6b570231ce58e206b2e1516

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
SignatureT4LbTc80Fk9CKIZdUZWifkHZeE+EryuAVH8ei0nU8TsFdSMAFCHPnJ87f/ENEYSFD2WzTnlZEZJc27tFeWrZDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:40.881902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104410
observed 27931495fa399fe226e28cdb5a5658b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.864509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104410/manifest.json
observed 65270e51e4cde90608373bcf96d71faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.846387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104410/publication.md
observed 94c307d426eefb29467fe1560b7dd48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.830329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104410/publication.txt
observed cd49286a5379ec92f1609004209d3fde...
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.