OpenTechnical

OT-2026-000005663

Publication integrity record

Porous face vacuum gripper, per zone isolation, ejector fed, sustained 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-2026-000005663) never changes.

Identity and time

Publication numberOT-2026-000005663 · never reused
Internal UUID01a0a940-a5ec-74f3-a8f9-22e6d2ed9371 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:21.423236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005663
StatusPUBLIC

Content hashes

Canonical text825fca35f969c844174326d354b82a7d07e0715f2a95bad781b0b5d86e28d984
Markdownd5a1bce7bf3a33c7b89f2b02c1a1fe0a3410541a800d32e63976a24d9f0b8f69
PDF
Publication pageff72c85e4c6036def9dc1df836e02d85da09809e540b7e71418f87d0641a6506
Manifest8bebfe239307146ebd6ea0907b1ae83f6585d70cabd7559a8298b46bcefb9bed

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
SignatureEPJ/zoEBWLODWBGHkz5kMM/kJsL07WBuLrMKE+GVNYVhALEo1U/6MsYfKqToUtNzCV+FNtUrwQrqSIAl0o+JDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:14.679058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005663
observed ff72c85e4c6036def9dc1df836e02d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.665622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005663/manifest.json
observed 8bebfe239307146ebd6ea0907b1ae83f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.651728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005663/publication.md
observed d5a1bce7bf3a33c7b89f2b02c1a1fe0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:14.637793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005663/publication.txt
observed 825fca35f969c844174326d354b82a7d...
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.