OpenTechnical

OT-2026-000010542

Publication integrity record

Single cup vacuum gripper, two stage ejector, pulsed blow-off before set-down

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-2026-000010542) never changes.

Identity and time

Publication numberOT-2026-000010542 · never reused
Internal UUID01a0ae6c-0ee7-727c-94fd-bd317341b692 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010542
StatusPUBLIC

Content hashes

Canonical textcc84e278e62225f31cfc90dc16d4977848456fea3e1eafb8a886c3bb17728aec
Markdownc264eb00472f64f04810b66903b484fa435a6d21d62e1507f24deb542935a0cd
PDF
Publication pagec877cde7889f517be03a0a103ed3da13d5855dcee1bfb34b5a49649ab09d1587
Manifest2be9cdd2f5bfcabbbdef503917f2f3a3388ea1e55c19886fe38baeb4cc10580f

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
Signature+2YfAZK5PuYODJr5hGtgFiAqGJzZsQhFTMTpHzGF1rClu4JVcxsuvoK8CZPQLH8QW16FQIc06qr+XShoke47CA==
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

2026-09-17T12:14:42.424760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010542
observed c877cde7889f517be03a0a103ed3da13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:42.407215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010542/manifest.json
observed 2be9cdd2f5bfcabbbdef503917f2f3a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:42.388184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010542/publication.md
observed c264eb00472f64f04810b66903b484fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:42.369707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010542/publication.txt
observed cc84e278e62225f31cfc90dc16d49778...
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.