OpenTechnical

OT-2026-000089866

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089866) never changes.

Identity and time

Publication numberOT-2026-000089866 · never reused
Internal UUID01a0ae9c-428d-74f1-b9d1-0cb5793a08fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089866
StatusPUBLIC

Content hashes

Canonical texted492abf907332d2937dc9506c12122dff1f68c59031292f34dcf4fcc1e9b23a
Markdown1380a97ee2686d04dda3020df45607431dd2cbc62e608cd39daf59dfcf1fae21
PDF
Publication page793bff9e24511c295ff506c07a9f64f27b74c0463d8c507c0bbd060e5a2d123c
Manifest8360a2b5f5b28e0de9c719f34d5d0ef03807f5d6658120d7e344060309a96a1f

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
SignatureLg2JwR0aAjjEBM+s5bqxjn17q69JuYv5fjK7b6+X9BFjvItI54CRgj0mwhQ1mdVVcXJOUvlZ9Z3mCZhkW3OGAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:07.191186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089866
observed 793bff9e24511c295ff506c07a9f64f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.174247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089866/manifest.json
observed 8360a2b5f5b28e0de9c719f34d5d0ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.119554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089866/publication.md
observed 1380a97ee2686d04dda3020df4560743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.055598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089866/publication.txt
observed ed492abf907332d2937dc9506c12122d...
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.