OpenTechnical

OT-2026-000059554

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059554) never changes.

Identity and time

Publication numberOT-2026-000059554 · never reused
Internal UUID01a0ae89-ec23-7c43-82ae-9b2da2b38c3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059554
StatusPUBLIC

Content hashes

Canonical textb542a13eb34d07f974ef861e6c525f1f7641c5778c022975edb23558ff1d141d
Markdown28f0f00b354d20fe9d14180bb1a1a2ac457e4af9673564ec19eff7121b47557d
PDF
Publication pagec9f031266e53516ef9b8208bd702776a2f973138941b69b80388a9397173f7fc
Manifestfcbbe020efda385aefd6244d0912e89224880d6d01b529e93771198f0bd750b2

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
Signature8CBLUE2Qr0pg8ubB7Y2awCgZKZY/20smVl3whcvnvVwCy7uTc0G2XAd7Se7mLpy3VATX/XJStY23X2Z3GK/QDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:11.736562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059554
observed c9f031266e53516ef9b8208bd702776a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.717492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059554/manifest.json
observed fcbbe020efda385aefd6244d0912e892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.696914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059554/publication.md
observed 28f0f00b354d20fe9d14180bb1a1a2ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.678325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059554/publication.txt
observed b542a13eb34d07f974ef861e6c525f1f...
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.