OpenTechnical

OT-2026-000074222

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000074222) never changes.

Identity and time

Publication numberOT-2026-000074222 · never reused
Internal UUID01a0ae93-7178-7c12-8c10-25e289420689 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074222
StatusPUBLIC

Content hashes

Canonical text29aa54931158f64df67aac8e1698cef3863d4def7d98ae07043392739f0f6b16
Markdown8628fdc21aee5e61fbd1b191c5bad406df67e4c77ae8d69eee2ed1a2eccf6904
PDF
Publication page4a265b494f5d7676c446d68890ab5624668dc414aa4412ba23a83002cb5dc123
Manifestd6f50962d1e8239a6eb5a4de785af67970aeebdf671d198daf091c2018c1d5e4

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
Signature/m2x5/B9pne7fp/jMXsTfbHGKq4TbFuJSxk0udkKkKXJnxj5hFvW65cbrG1+fUgg9XlBHhiGw/xAPKZ3nEt4Dg==
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

2026-09-17T10:19:05.128042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074222
observed 4a265b494f5d7676c446d68890ab5624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.110832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074222/manifest.json
observed d6f50962d1e8239a6eb5a4de785af679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.091972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074222/publication.md
observed 8628fdc21aee5e61fbd1b191c5bad406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.073580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074222/publication.txt
observed 29aa54931158f64df67aac8e1698cef3...
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.