OpenTechnical

OT-2026-000038338

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000038338) never changes.

Identity and time

Publication numberOT-2026-000038338 · never reused
Internal UUID01a0ae78-2d52-7338-9cab-4167279fee2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038338
StatusPUBLIC

Content hashes

Canonical text508b7a5f62abc2431af86619fa1a7d2bfdb8f53a55b0f6b0a69525b344efdea4
Markdowna2ed2dbf5398534c67f8f4d4991b59e3bc498551cec05626871cbef0decfb6c3
PDF
Publication pageffedc8bfb9c59b9e6b298db5c0ef04e9452a31734cf2d272c4febc68d169fc8e
Manifesteebd38cbe157c110af5089213f72a41a530df9d0b3a23b6021dbb06a6b252efc

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
SignatureWGbdNbwJSkCVSBEMFRn5T4XH6yQOIimIjCHz10831HR09U33yLU4WMiiAvaL/20mV/avHYB3X3tuD24HL+dfCg==
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

2026-09-17T11:22:31.307694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038338
observed ffedc8bfb9c59b9e6b298db5c0ef04e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.288343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038338/manifest.json
observed eebd38cbe157c110af5089213f72a41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.265582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038338/publication.md
observed a2ed2dbf5398534c67f8f4d4991b59e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.244695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038338/publication.txt
observed 508b7a5f62abc2431af86619fa1a7d2b...
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.