OpenTechnical

OT-2026-000068934

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000068934) never changes.

Identity and time

Publication numberOT-2026-000068934 · never reused
Internal UUID01a0ae90-6dcc-7c71-869b-ad72c1836d35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068934
StatusPUBLIC

Content hashes

Canonical text120da91149ff6638f5980e964aa8f0a49e3428e307901466f6b3cee8444f9d7e
Markdownb5a34858e05602a8f0ea6a7332922d5d820ac145ddbc45abe294f9e47f927707
PDF
Publication page0cfe5c0c437e20f0bdbc80409375d9ed3a872d2b8556a6cfe7f7335d4061c458
Manifest39bd9555fdac11130a16d767fa61eb33b1630c10a569452df4bde88fcaaf8bb2

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
SignatureRfxJDLcxVrDUYjsi7UqZUoyeM54T0WjRa3zS1iS8B/cxEPWNhRZS/0o7b3JOXIN4WJXxhwuMl7h8S8alBW1XBg==
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

2026-09-17T10:28:45.945823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068934
observed 0cfe5c0c437e20f0bdbc80409375d9ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.928503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068934/manifest.json
observed 39bd9555fdac11130a16d767fa61eb33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.910091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068934/publication.md
observed b5a34858e05602a8f0ea6a7332922d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.890387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068934/publication.txt
observed 120da91149ff6638f5980e964aa8f0a4...
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.