OpenTechnical

OT-2026-000005162

Publication integrity record

Porous face vacuum gripper, common isolation valve, ejector fed, vented before set down, closed 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-2026-000005162) never changes.

Identity and time

Publication numberOT-2026-000005162 · never reused
Internal UUID01a0a92f-def1-72d2-87a6-d718cba3ec7d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:01.908862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005162
StatusPUBLIC

Content hashes

Canonical text2debbed427a72a1ac68cc7bca58465c61a4979cbe54f691832699065f707d2b4
Markdown326d45bcc4b34fac531f3b99260d779da635022f32a76b4e788926b69fa5e0fe
PDF
Publication page1c834460fb62985984abc3f67c8ec59fbeee1e48ca33b2db0d0e97eb9a19255c
Manifestc5b916faa61d92ae9cc0e83b71a38b3daaad1c69c797487f7ffb665f075e507a

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
Signature6BBgfLazIa0LDUVcwqiojqMlUQnbfPh8TPh2Yl59ssSWab2PfOi1GxGnnzHKssodLRl1UgOyfKY68fXh2adkBg==
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

2026-09-16T07:50:08.666355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005162
observed 1c834460fb62985984abc3f67c8ec59f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:08.650466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005162/manifest.json
observed c5b916faa61d92ae9cc0e83b71a38b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:08.635778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005162/publication.md
observed 326d45bcc4b34fac531f3b99260d779d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:08.620489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005162/publication.txt
observed 2debbed427a72a1ac68cc7bca58465c6...
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.