OpenTechnical

OT-2026-000091626

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, 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-2026-000091626) never changes.

Identity and time

Publication numberOT-2026-000091626 · never reused
Internal UUID01a0ae9d-43b8-7ec2-9bfb-cd6869efb8af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091626
StatusPUBLIC

Content hashes

Canonical textece54a7b8bd5822d59d7ac46ac63fb6dca4bf977fd803734978bd9f13d560308
Markdownfbfa51f6c0be21f6894a8365c885470d7a9cc3cd57d923771ab731db8a86cb72
PDF
Publication pagea7226dd14266dec91d1e9e6b3f0e5744310467e3ace9b09c28e33393ca39542c
Manifestd204673f5dfb5bb3ddc96d8e888877e2631a10f85da6c745bba4fcaf13f9e5ff

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
SignatureBHpbe0g2bXUEUq0SAqis6XA7fO2D31uOYRU2nBYWyziaT8JY1vzVvnyB/O91iP6EfhBoiGGjjnIFOyZj4dRlDA==
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

2026-09-17T09:41:59.355874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091626
observed a7226dd14266dec91d1e9e6b3f0e5744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.335849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091626/manifest.json
observed d204673f5dfb5bb3ddc96d8e888877e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.316708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091626/publication.md
observed fbfa51f6c0be21f6894a8365c885470d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.290447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091626/publication.txt
observed ece54a7b8bd5822d59d7ac46ac63fb6d...
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.