OpenTechnical

OT-2026-000048803

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000048803) never changes.

Identity and time

Publication numberOT-2026-000048803 · never reused
Internal UUID01a0ae80-c32d-7da0-9eb8-51440768117e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048803
StatusPUBLIC

Content hashes

Canonical texta46e501a476e549a20328f0d2d3f16a940abe118f7c4ad93fbbe55b14e67a7a3
Markdown2d200fa041c044a1c6b2ad84f9f2c145a060981a036db91bc0e16a13383dec12
PDF
Publication page9948e12158602dad1b629ba73a855d9a7daa7e83985f2b6fad4fc04b1fcecb7a
Manifest37cd4839e7c2bf8b194b62952f4af1e28f95ea97004e09587deec425e62321de

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
SignaturenREEoPB4SvyNcJJ0SOqyE+zjAyrrourK/VWnTRoNeRkP9n1+xCS8Yc27k1qPZYGTXjPL9AcTbCdX/vq5uuOTAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:31.260506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048803
observed 9948e12158602dad1b629ba73a855d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:31.237299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048803/manifest.json
observed 37cd4839e7c2bf8b194b62952f4af1e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:31.212672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048803/publication.md
observed 2d200fa041c044a1c6b2ad84f9f2c145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:31.182280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048803/publication.txt
observed a46e501a476e549a20328f0d2d3f16a9...
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.