OpenTechnical

OT-2026-000026022

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000026022) never changes.

Identity and time

Publication numberOT-2026-000026022 · never reused
Internal UUID01a0ae71-a83f-7d1d-901d-2cee9de18bc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026022
StatusPUBLIC

Content hashes

Canonical text9b354382b48fbddfb9356a00e456081d9fb0e363523db706841f5b149471795c
Markdownf7e54b28588ad9dfe508897b626a6b3dff4cfe924eb00fd965813a871f7cc82f
PDF
Publication pageb8a2b6d6943d64ed2ab1f60f684871b829be4a2142c4c15249320a5c86e2b503
Manifestf0853670d93d199b7b8d9b957bf3bc4210d472321ebedf1be4da193c259880bd

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
SignatureWV4BhxjZVk+4GuA6mlFLwbHzzV9nYRyzfsr3WkpOE4JmVfmdbm6gCS8ML7tmnquBjR6NRQEr0q7ukiUNw0q2Aw==
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

2026-09-17T11:46:24.254804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026022
observed b8a2b6d6943d64ed2ab1f60f684871b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.235722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026022/manifest.json
observed f0853670d93d199b7b8d9b957bf3bc42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.213494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026022/publication.md
observed f7e54b28588ad9dfe508897b626a6b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.196050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026022/publication.txt
observed 9b354382b48fbddfb9356a00e456081d...
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.