OpenTechnical

OT-2026-000050246

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000050246) never changes.

Identity and time

Publication numberOT-2026-000050246 · never reused
Internal UUID01a0ae82-5c46-7304-a38e-96c92bdeb785 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050246
StatusPUBLIC

Content hashes

Canonical text91f00a7b602e169511367e6b275fc92ae053cbd1a4ba55d1c31d1b29404d8b75
Markdown3349de3b4d7b777c88deb1a7da340b98f53b5af3bc7a24a2c956cc0b57b12189
PDF
Publication page3af82eece39e341b16efeb21893eb555af2406d2493497cea4bdb0f6440a5d7c
Manifest3c9211e3f4f2b29e0ebefc0e7b929bd442af8b359310d100061cd4747ce84be1

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
Signature7EBFTAB8r+4QWjDJY+Vzq5spktvR3r2+eKEChE8XSci8mlU66381gZ4EVafNnlpUryaNaWrJ587R+rFWH0HLBA==
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

2026-09-17T11:01:14.609963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050246
observed 3af82eece39e341b16efeb21893eb555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.591847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050246/manifest.json
observed 3c9211e3f4f2b29e0ebefc0e7b929bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.574731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050246/publication.md
observed 3349de3b4d7b777c88deb1a7da340b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.556382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050246/publication.txt
observed 91f00a7b602e169511367e6b275fc92a...
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.