OpenTechnical

OT-2026-000072866

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000072866) never changes.

Identity and time

Publication numberOT-2026-000072866 · never reused
Internal UUID01a0ae92-89db-7917-b841-60d036318e7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072866
StatusPUBLIC

Content hashes

Canonical text2650110e666dad2dcb1751a226e493a353b968e48bae4ab744f306e0dd516a33
Markdownd7b6e6fe2972ea1f481bdabc4b2d8899fcf8d1e8a33f8c0637bdab1d5d41554a
PDF
Publication page2fe28008e08ee986650d47f568668538c9ac06c6b0091e36e83fb2a2f875e749
Manifestffb6eba73952276c5d9ceb9ec004a88ffdb47a4bf0249db8f12cf2ead52fdfa6

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
SignatureocOfLBtoAeuazpvxUF4R9/f9WAAEfZHMlRUqhRCz2H+1aFxlqzyEhcaO0y2OX1fNMZX3EXcKmF+3ss4qVqWUCA==
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

2026-09-17T10:22:47.483925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072866
observed 2fe28008e08ee986650d47f568668538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.468437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072866/manifest.json
observed ffb6eba73952276c5d9ceb9ec004a88f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.451553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072866/publication.md
observed d7b6e6fe2972ea1f481bdabc4b2d8899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.435684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072866/publication.txt
observed 2650110e666dad2dcb1751a226e493a3...
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.