OpenTechnical

OT-2026-000007137

Publication integrity record

Vacuum cup gripper, two outlet manifold, two stage ejector, pressure verified, vented before 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-2026-000007137) never changes.

Identity and time

Publication numberOT-2026-000007137 · never reused
Internal UUID01a0a973-fec3-769f-a169-614d5141d14c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:02:26.501529Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007137
StatusPUBLIC

Content hashes

Canonical text7ba8799b28802d85abd253cdff352e8a97d803760a8d7771c4c00b839cbd8b64
Markdownb4f1ea95ea2ed103ec4ca145c90d7e6d4406cb582fdcbba80987225ea4590d47
PDF
Publication page8139d47777e0d33f597e621155d2cc1baf1df4a77ee2eec9b6504b03889c54e8
Manifest01cc57ee1157566c65224988c423f27302b932cddb1f521caba846669378b190

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
SignaturePqQ9JVXmcAX6AYALpWgSN7P3gYkAQeI6AkChy46gFumEyWusvNVDk1rPa3ZpsIDWc6I7wrmxTlCWSR9m7yYFCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:22.988136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007137
observed 8139d47777e0d33f597e621155d2cc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:22.975237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007137/manifest.json
observed 01cc57ee1157566c65224988c423f273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:22.961521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007137/publication.md
observed b4f1ea95ea2ed103ec4ca145c90d7e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:22.944394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007137/publication.txt
observed 7ba8799b28802d85abd253cdff352e8a...
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.