OpenTechnical

OT-2026-000089235

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line 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-2026-000089235) never changes.

Identity and time

Publication numberOT-2026-000089235 · never reused
Internal UUID01a0ae9b-db00-7def-9a01-b0a523f59876 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089235
StatusPUBLIC

Content hashes

Canonical textf4d7d34f8569cdb9ac2440469bbe2482e3a54f5afe6d57d0c892a1905f9ae041
Markdown60bfab16890482e46d6667ec51e3cb5ff3c9b313f129ebdacff10a7e311197fe
PDF
Publication pagec0c88c5476bb4c4bc3b74ed0ce89973167103d805a65f3094a1d9920ec376fef
Manifest9dda7ae44c8b6842696cecf7e9dc6dd16d57c02693e12bf05dcf926d264278e1

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
Signatureu1D8JvDB4t0DDztmBLd57U0LIHtC3ST/1fXkvaPEwP5E0E1QtepBDYCLf8TnPMJpXz7wiDSRcAzHcq2t6HB+Cg==
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

2026-09-17T09:47:15.953501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089235
observed c0c88c5476bb4c4bc3b74ed0ce899731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.934252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089235/manifest.json
observed 9dda7ae44c8b6842696cecf7e9dc6dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.914110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089235/publication.md
observed 60bfab16890482e46d6667ec51e3cb5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.896885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089235/publication.txt
observed f4d7d34f8569cdb9ac2440469bbe2482...
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.