OpenTechnical

OT-2026-000005388

Publication integrity record

Vacuum cup gripper, two outlet manifold, three stage ejector, pressure verified

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-2026-000005388) never changes.

Identity and time

Publication numberOT-2026-000005388 · never reused
Internal UUID01a0a937-7544-7596-88a3-a41264f50a97 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:56:19.142426Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005388
StatusPUBLIC

Content hashes

Canonical textaa34669ecac2157ac5c66914c7d8f17218b5c2947f6d01f06fe8f23e0a8a6efd
Markdown32cf977663a5b941df3940e82fec90e2e12abbbd3cf48084766a9091e3d2f794
PDF
Publication pagef86df36e9f7bc23e763f8cd8f7c403b22a641e79b1133a5ff0717dab4eac32a3
Manifest61d0bddfed9b8df6b3e3bef587048ca8285c26b8c5e4b53ab92e80a1d313c454

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
SignatureX2oMpgz/VLz9Eja+Nas9YYCs+uEqXHVa2qMR48jE+xoR3nvaSTso49Eibm2sukQZKl285v9bqjryDTTmQ4anCQ==
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

2026-09-16T08:00:15.229436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005388
observed f86df36e9f7bc23e763f8cd8f7c403b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.213115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005388/manifest.json
observed 61d0bddfed9b8df6b3e3bef587048ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.199071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005388/publication.md
observed 32cf977663a5b941df3940e82fec90e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.184419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005388/publication.txt
observed aa34669ecac2157ac5c66914c7d8f172...
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.