OpenTechnical

OT-2026-000005120

Publication integrity record

Porous face vacuum gripper, four outlet manifold, ejector fed, contact triggered, open cell

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-2026-000005120) never changes.

Identity and time

Publication numberOT-2026-000005120 · never reused
Internal UUID01a0a92e-7d66-7b99-8804-b4c851911512 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:31.400830Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005120
StatusPUBLIC

Content hashes

Canonical textbc3160a9d4892bc3945d62053a8d60094356526934a5be390e92dfaeec287c89
Markdown0f0a27faf95a7e1dca0d53740322d1fb71c7249d04932e61fc3555a8f4208dda
PDF
Publication pagef2d893f1638d69fbd42ebcdc4076adeb87b3555ed5857b810dc02e9930ae6d72
Manifest5ea0e48f1ff4d5b33270a0b7047ca6b28bbfccab7df151e1685ae6320627d13e

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
SignatureMmoYFCa/KMbO949MfgGN0xtJnZc88xFkPtsQd5G31OK4IpwU1LPq9m5y2cPOa7lxhn+qcbFE1pzXEXdZwRkuBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:13.387362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005120
observed f2d893f1638d69fbd42ebcdc4076adeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.371964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005120/manifest.json
observed 5ea0e48f1ff4d5b33270a0b7047ca6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.237309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005120/publication.md
observed 0f0a27faf95a7e1dca0d53740322d1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.222217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005120/publication.txt
observed bc3160a9d4892bc3945d62053a8d6009...
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.