OpenTechnical

OT-2026-000083150

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000083150) never changes.

Identity and time

Publication numberOT-2026-000083150 · never reused
Internal UUID01a0ae97-c962-725f-be29-64ff8061355c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083150
StatusPUBLIC

Content hashes

Canonical text29a238251f133ea246ee0dfd02d6729bb7de4aaa5d541a917c84b18f040acfb2
Markdownf25dd3f79e28ff762cf7ba1dbfebbd5f16c787c16a470b0df16470ce99b0fc15
PDF
Publication page15a7668072bc75f99f77988278ccd90e2292afcb6f681ede421fe295656b9434
Manifest53927f88c9abf206824d057d1b4a85803d2a634ed652d030031a8dc8fab96af0

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
SignatureiZu68IWZPnTtiJQ7gAABaQW6KZBff3uQ9cN2gloK2R/s5iHHv10G54QjkSjfYqNYUkIRaySonPxk9Zu4VvWlAQ==
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

2026-09-17T09:00:52.358399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083150
observed 15a7668072bc75f99f77988278ccd90e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:52.336056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083150/manifest.json
observed 53927f88c9abf206824d057d1b4a8580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:51.668266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083150/publication.md
observed f25dd3f79e28ff762cf7ba1dbfebbd5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:51.561324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083150/publication.txt
observed 29a238251f133ea246ee0dfd02d6729b...
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.