OpenTechnical

OT-2026-000070712

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000070712) never changes.

Identity and time

Publication numberOT-2026-000070712 · never reused
Internal UUID01a0ae91-8c2c-7320-9cdd-1a4c431ebcb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070712
StatusPUBLIC

Content hashes

Canonical textebe1df943add03872e57aae5e07fbe9051733ac5643f1b48bd18f18c2cbda03c
Markdown0717cf5822991a870ce50473c54c6ae0766b2396956d80c02ecd8ad9ca98770a
PDF
Publication page3e73e1ea1bf298f96f1dacf4ca87c03b795cc3ad9977cebeeec7113a551b5f56
Manifestaab3e61dfd53dd9804de15c62712d0805b20e573c60d735ea351aace24395e56

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
SignaturejGbPhZ/ZpJyWqInk0H4VK242ZP9cbYSQz7Wz8xPhjEEKD9WmNJSFeDkvMsnOY1aqKLSTTdZGJhlSwEMUQzYnCA==
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

2026-09-17T10:25:23.948625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070712
observed 3e73e1ea1bf298f96f1dacf4ca87c03b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.927480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070712/manifest.json
observed aab3e61dfd53dd9804de15c62712d080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.909479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070712/publication.md
observed 0717cf5822991a870ce50473c54c6ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.889958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070712/publication.txt
observed ebe1df943add03872e57aae5e07fbe90...
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.