OpenTechnical

OT-2026-000094438

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000094438) never changes.

Identity and time

Publication numberOT-2026-000094438 · never reused
Internal UUID01a0ae9e-f4e8-7ad8-87cf-4a1cd8c01499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:28.117587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094438
StatusPUBLIC

Content hashes

Canonical text8dc6d5be0beadf7f3ec4a9bd3c5585adcd0c5533beabe1703879238c1df8fab8
Markdown07c76556356741eb7b8337789d58926bbf05e751b9e1e35fb75a9d16b2bd4af5
PDF
Publication page004d8e5030300ed84b7cf5c29f811cb4ab54aa14e8f8a179182a720f609f9e99
Manifest354685666c768cbd2938eba14fa33750a29639a0c23fadb7134ea1a1cd810562

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
SignatureU/HLOps2qOvyOv2S+hbOPGs9HGlJQREm4877Y0gYD9qLg85dV19+fFawZUx9uwatYk1OXWM3tuS4gAkoJivNBg==
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

2026-09-17T09:37:51.198128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094438
observed 004d8e5030300ed84b7cf5c29f811cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:51.182011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094438/manifest.json
observed 354685666c768cbd2938eba14fa33750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:51.164714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094438/publication.md
observed 07c76556356741eb7b8337789d58926b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:51.147571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094438/publication.txt
observed 8dc6d5be0beadf7f3ec4a9bd3c5585ad...
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.