OpenTechnical

OT-2026-000025920

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000025920) never changes.

Identity and time

Publication numberOT-2026-000025920 · never reused
Internal UUID01a0ae71-a83f-7cc6-91e0-1d95e07eef9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025920
StatusPUBLIC

Content hashes

Canonical text881619284b2a05062a11a1cf8c33351c34d0d6a57d27f2fe33fe085b6d00025f
Markdown0ea0b7d7272db5f5c97687b4739846c666fbff762646b3a6ce4d6dfb9b678651
PDF
Publication page06e729dce9b785882191193dfa9fa8e13108595f93c5531fe5ed1e3a21c4c4bf
Manifest4fe7bdd82533947cda12ecf6d25d0e19d1e3be2afeeec8983a9565d458ebd730

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
SignatureVCIW+V5APAzIoHNm0IFvFdtS4LnzW7Eq+6AAc5QZJvey0iK0xYjg8khiK8wKWtOZvULjAUjUEinV5VYSlJAJBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:16.518021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025920
observed 06e729dce9b785882191193dfa9fa8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.500638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025920/manifest.json
observed 4fe7bdd82533947cda12ecf6d25d0e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.481335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025920/publication.md
observed 0ea0b7d7272db5f5c97687b4739846c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.463857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025920/publication.txt
observed 881619284b2a05062a11a1cf8c33351c...
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.