OpenTechnical

OT-2026-000005676

Publication integrity record

Porous face vacuum gripper, two outlet manifold, two stage ejector, vented after 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-2026-000005676) never changes.

Identity and time

Publication numberOT-2026-000005676 · never reused
Internal UUID01a0a941-1083-7d9b-8ad6-38935011d21f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:48.709999Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005676
StatusPUBLIC

Content hashes

Canonical text49465f9647557a52bf1ba32fef64056c91f09b7ab2d52e30d1daaf360a57b771
Markdown70e2f007a41a61daa01645583e291ec09fea6bddf6f12230b938bcbc42c33d8c
PDF
Publication page472d93736f9e0245bd5bbf1b06337cf3a33247fc225f8ad530a8938d913f84a2
Manifestff285fc72cc8aa9318e92d87b66ca39fe9a641af84db9d439089e81f520bfed8

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
Signaturer4EMeeVOp28qcfyvG1vOMgq+K0Z4YI8FVmiLBT0V3kI/JbuupD/hmyYiV+9n39dt8jMrucK9nYtucQbl/xdPAw==
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

2026-09-16T08:10:13.143357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005676
observed 472d93736f9e0245bd5bbf1b06337cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.124741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005676/manifest.json
observed ff285fc72cc8aa9318e92d87b66ca39f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:12.985292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005676/publication.md
observed 70e2f007a41a61daa01645583e291ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:12.970237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005676/publication.txt
observed 49465f9647557a52bf1ba32fef64056c...
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.