OpenTechnical

OT-2026-000033816

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000033816) never changes.

Identity and time

Publication numberOT-2026-000033816 · never reused
Internal UUID01a0ae75-a391-735e-a919-5791d7b6ca6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033816
StatusPUBLIC

Content hashes

Canonical text39b6334a75ccfde709de869095c515fe4b769000350832e8783cc123d3c803c0
Markdowna93f8ab794f7e0050988041b21b3fedf1fc759c3f7fb08449fb14443581a2fc1
PDF
Publication page24a3293c9276e3c5a9c60861daf0e182098c33af90e888b314ae14151d16e9ee
Manifest09ef847c46b6a1498a70200bd2daed2f97c8b07b02fbcf1ed7d5b9bf95972edd

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
Signaturer3U77Yj2z5j3kHsAaaUrGk9tenpSK6GYbKfg2548UI81OOgofiPqAjelGE8g3MX7HwLuTfXfzsU4odOb0T8eAg==
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

2026-09-17T11:31:51.812159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033816
observed 24a3293c9276e3c5a9c60861daf0e182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.795754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033816/manifest.json
observed 09ef847c46b6a1498a70200bd2daed2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.777394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033816/publication.md
observed a93f8ab794f7e0050988041b21b3fedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.752182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033816/publication.txt
observed 39b6334a75ccfde709de869095c515fe...
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.