OpenTechnical

OT-2026-000014292

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000014292) never changes.

Identity and time

Publication numberOT-2026-000014292 · never reused
Internal UUID01a0ae6d-b279-765a-9853-10ed4e2c21ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014292
StatusPUBLIC

Content hashes

Canonical text64fec753b642b2dabfe259e41b63af622feda8aface85763a1b96330e192afcc
Markdown42b6e8291399d2087f5a9b5da08050e364eb9553aa312095eff15672e04a996c
PDF
Publication page1ca7d238fc29e84c636e3b2d457e4563af62263b620290b4da1f711711f8d777
Manifestca76934f4bab5b25d2ae30113bb48cbabc511ee95febc21338cb653fa1a7be1a

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
SignatureAKi8c6ECsNKcQUVJIbe3LX7xswW/TMLSpjCbnODvdeqDttgIicpBsrSMYI13vk+ktuQ2Bt8ww3IQzWlWpU2rCA==
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

2026-09-17T12:07:30.690922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014292
observed 1ca7d238fc29e84c636e3b2d457e4563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.673394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014292/manifest.json
observed ca76934f4bab5b25d2ae30113bb48cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.656088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014292/publication.md
observed 42b6e8291399d2087f5a9b5da08050e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.637271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014292/publication.txt
observed 64fec753b642b2dabfe259e41b63af62...
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.