OpenTechnical

OT-2026-000078726

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000078726) never changes.

Identity and time

Publication numberOT-2026-000078726 · never reused
Internal UUID01a0ae95-ccbc-790b-9e6e-d5f1fb07c15b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078726
StatusPUBLIC

Content hashes

Canonical text951a0708086da32ceb6d95ef6861b59c845e3c3b7de01a3b13b3ff6094de0aa9
Markdown12da92e1ff13caf4d0270f5d30816b6583a10e2923d4250bf58207844d7e2b31
PDF
Publication page2380bd5170da2ccbc241eeceafffccfdefe13127ed5bf9b206d252606546e3d3
Manifest5fcb928cdfc244ad8ff4cb24e0820576dcc330c1d43867cda7e3ad9445112a13

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
SignatureGWF1P9UlG+NVhnKfvefqVCx8LKJ8YYyUO5/DRzRSPnUcG/WlaDhFkiu4qAf+wV/Q9qMO5nl7zCckmZffPqNGBQ==
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

2026-09-17T10:05:30.569908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078726
observed 2380bd5170da2ccbc241eeceafffccfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.551090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078726/manifest.json
observed 5fcb928cdfc244ad8ff4cb24e0820576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.534573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078726/publication.md
observed 12da92e1ff13caf4d0270f5d30816b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.517250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078726/publication.txt
observed 951a0708086da32ceb6d95ef6861b59c...
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.