OpenTechnical

OT-2026-000085226

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000085226) never changes.

Identity and time

Publication numberOT-2026-000085226 · never reused
Internal UUID01a0ae99-43ba-7ba2-bc8b-7eafef1d59bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085226
StatusPUBLIC

Content hashes

Canonical textfb5c98b8439c87b35bade8632b87ae46f9f936be07dc78a37e61e96d9ae69035
Markdown33dfefe27f47bdcd6e17514495f1b16f8eeec984b716e5f0e7e8fe6b20847958
PDF
Publication page20ae024f2d8b826cf01bc06ec238449f196779783a9d2a8047c8ae43d0b0b011
Manifestafae34bf3ab93dee33ffefb13ac38d3b017eab26461fa5290b432283107c2556

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
Signature4lLxIq6o2vmIpolefgu/WIyDSbjzDtwyMasTZSrG7ntxoqumw1zaFrNvAVRlZmgi1ItbJ4G4TyxRyEBqMX61Ag==
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

2026-09-17T09:55:19.346805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085226
observed 20ae024f2d8b826cf01bc06ec238449f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.330864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085226/manifest.json
observed afae34bf3ab93dee33ffefb13ac38d3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.313110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085226/publication.md
observed 33dfefe27f47bdcd6e17514495f1b16f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.294983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085226/publication.txt
observed fb5c98b8439c87b35bade8632b87ae46...
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.