OpenTechnical

OT-2026-000008748

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000008748) never changes.

Identity and time

Publication numberOT-2026-000008748 · never reused
Internal UUID01a0ae6a-e46c-7d23-b69e-2dcb48ba7bd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008748
StatusPUBLIC

Content hashes

Canonical text2152daee7f35e06edf32f5515edf65cfab4f54cf97139437b707cc1bb6288c48
Markdown8a145193d0a8f7d7fb3576d0aaccabd1e68ef9cef2cba7775521cbebe84eecb0
PDF
Publication page80821f89df7c1c0079c574d1f08e4c5ec620bc8cb743e722aaf85b6de8563c5b
Manifest59ea3f7c8b69a8dff2c8032ea5f49617c9728d6efe15ba91d59c9ab6c6fe025c

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
SignatureL2CusJAw2rRFUYQFo/EkZIG1OitTP/pjGERqQO/Pdits9xaj/GnCLT8xF8jHgL8XUyBLDs0YjlICzyl93re8BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:50.607843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008748
observed 80821f89df7c1c0079c574d1f08e4c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:50.586771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008748/manifest.json
observed 59ea3f7c8b69a8dff2c8032ea5f49617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:50.565690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008748/publication.md
observed 8a145193d0a8f7d7fb3576d0aaccabd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:50.545456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008748/publication.txt
observed 2152daee7f35e06edf32f5515edf65cf...
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.