OpenTechnical

OT-2026-000068968

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000068968) never changes.

Identity and time

Publication numberOT-2026-000068968 · never reused
Internal UUID01a0ae90-6dcd-7d83-b438-8c7cf72d5991 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068968
StatusPUBLIC

Content hashes

Canonical text539f465868149961cb9ddc803e2b99da03d2a7ba8ac29bf630bf2e5c2cc071c0
Markdown82a456bcd7d481a000f52aba007a52ae65ef5eb0b622babc2caa892a37075ef8
PDF
Publication pagefee1aadb79af0a8562a8e085031bf0914ee802b359df63d5aa89a93b4f873cd8
Manifesteb8f4f6b68498512e4f5599af92e9d69bf46268f63b2a806d1a33ef05df1d421

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
SignatureQSWJ0vpnl41kPEXSmGc1CYIvT5pasysRjqpkhyNCR1B8cd9je6vh+0XoPPm8LAppjzjzh+c5xTagw56U3MT4CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:48.421537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068968
observed fee1aadb79af0a8562a8e085031bf091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.405617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068968/manifest.json
observed eb8f4f6b68498512e4f5599af92e9d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.389948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068968/publication.md
observed 82a456bcd7d481a000f52aba007a52ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.373532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068968/publication.txt
observed 539f465868149961cb9ddc803e2b99da...
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.