OpenTechnical

OT-2026-000005618

Publication integrity record

Porous face vacuum gripper, ejector fed, pressure verified, contact triggered on the face

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-2026-000005618) never changes.

Identity and time

Publication numberOT-2026-000005618 · never reused
Internal UUID01a0a93f-2dfc-789d-b5cd-6515f2791add · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:04:45.183565Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005618
StatusPUBLIC

Content hashes

Canonical text8d6e05ed94438b6796abd298a24f4a6700a6c7d190ed4f3c92e644c7a291d666
Markdownd6637c833caf243742c57520b7aa6998625e74ee7e83f8142ce5d61658ac7267
PDF
Publication pagec081f0f5f0a1cf84b738fbd47d3bab9eadd386cd4384ee522777ff7aa15bb01f
Manifestd45322c1e7d6daf0be9c91c91f196386a7f2d2d578faecb7241ab5cdc95d4cdf

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
SignatureczncYIseOnkyVfuz9j+HmXYYFtm8hpyh8dTG/iLPhY5vCnOfrcEC2Azv2vng54Medn1rUMYElReY39ciGnqSAQ==
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

2026-09-16T08:10:20.169018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005618
observed c081f0f5f0a1cf84b738fbd47d3bab9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.154784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005618/manifest.json
observed d45322c1e7d6daf0be9c91c91f196386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.139292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005618/publication.md
observed d6637c833caf243742c57520b7aa6998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.125781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005618/publication.txt
observed 8d6e05ed94438b6796abd298a24f4a67...
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.