OpenTechnical

OT-2026-000026306

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000026306) never changes.

Identity and time

Publication numberOT-2026-000026306 · never reused
Internal UUID01a0ae71-f4a6-76c9-bbca-bc8053cf840f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026306
StatusPUBLIC

Content hashes

Canonical text34597ec15e943c2aebc207fa3e9447a6d9de2932d0b1dc827fd04da26bcdf452
Markdowncc98cc1e6d21e523d64909cf63f86641f284689d6865fea049ebbe6c26a8bc21
PDF
Publication page17ae670f3b61ff44e27af65e39e17b96d45356ea61dc953bacead85d88d0ac9e
Manifest84be96276aabdefdc52e27e19bf11dea9188d597447d95a828204f8f766281ed

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
SignatureWaYykfdQljBIMCxMTBSBFukU01o0mW8wtxZdlNjEP9s7clpWcoP8MONqc1LmR3o7NvrfYA/87weEpRo4mPO+AQ==
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

2026-09-17T11:44:15.493568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026306
observed 17ae670f3b61ff44e27af65e39e17b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.474495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026306/manifest.json
observed 84be96276aabdefdc52e27e19bf11dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.457701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026306/publication.md
observed cc98cc1e6d21e523d64909cf63f86641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.436379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026306/publication.txt
observed 34597ec15e943c2aebc207fa3e9447a6...
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.