OpenTechnical

OT-2026-000095538

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000095538) never changes.

Identity and time

Publication numberOT-2026-000095538 · never reused
Internal UUID01a0ae9f-8f74-7947-b327-899ba0c95f6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095538
StatusPUBLIC

Content hashes

Canonical textfff66355de880c44c2cd08bec935eb5a5191847a2c6dd6cef6d73f850fcbe257
Markdown93bd770dc6f46a11eaf74ec68afa3137c6ebf207c5dde5ec8a2c147a11d1bac2
PDF
Publication page7b9acc4177fa89aab3fbffb5d527144cb88497bbaa65864556451a8c1a1b64b3
Manifest7027e6e669f58e79b183035e01ffd35c5abc67700b71e48a549dc4a3f8f7a5f0

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
SignaturebOokledizsPACYFxE0cdpRSILemkAmRDfV4uVisI5wYHBjwHvm6Zb53BBlOwswp24S3P1HyMMLNVP2VZXtbKCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:57.016335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095538
observed 7b9acc4177fa89aab3fbffb5d527144c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:56.998800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095538/manifest.json
observed 7027e6e669f58e79b183035e01ffd35c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:56.981901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095538/publication.md
observed 93bd770dc6f46a11eaf74ec68afa3137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:56.964948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095538/publication.txt
observed fff66355de880c44c2cd08bec935eb5a...
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.