OpenTechnical

OT-2026-000005267

Publication integrity record

Porous face vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure verified

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-2026-000005267) never changes.

Identity and time

Publication numberOT-2026-000005267 · never reused
Internal UUID01a0a933-52d1-7242-be34-81f023786f31 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:51:48.179691Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005267
StatusPUBLIC

Content hashes

Canonical text12f4fff2ee4c2f5aaef3b2dea20fabc2f51df60d1255093df8753eed6dcf4277
Markdown176112ee3aee16d3c0b61cdeaa351e3ac56f9db118cb58f446d4d8150a90870f
PDF
Publication paged044a1519c3fb7b1f89142b72da5b51ca2f03dadf848e3cd31f73e9724fb57dd
Manifest6fedfac3374c46c5cb092520056f876f18effd8ca83a00b5946b8895aa2ed416

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
SignatureLJdT0NlAp6mK3bSthZd/Qcj+5nD+7Eio6suGH/dEPyU6pe6jjd0QtF+GuzTI8u/NQz0DxR+1RfzXR5HCCCJcAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:28.738649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005267
observed d044a1519c3fb7b1f89142b72da5b51c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.724296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005267/manifest.json
observed 6fedfac3374c46c5cb092520056f876f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.710145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005267/publication.md
observed 176112ee3aee16d3c0b61cdeaa351e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.695148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005267/publication.txt
observed 12f4fff2ee4c2f5aaef3b2dea20fabc2...
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.