OpenTechnical

OT-2026-000005442

Publication integrity record

Vacuum cup gripper, six outlet manifold, ejector fed, 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-2026-000005442) never changes.

Identity and time

Publication numberOT-2026-000005442 · never reused
Internal UUID01a0a939-252d-76fc-94e6-ade78d9b4b8f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:58:09.711705Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005442
StatusPUBLIC

Content hashes

Canonical textdae72ceb320e0460a4c1e21a218a3a06e01f08ff2d857039d0d80589e3c60c3a
Markdown482d527076f66c53841a7b72b87c6a9e9214689027c9063ab5b5479ecef92660
PDF
Publication pageaf01114f090fcd970866c83a5f31cf9ba4db254d63e278dfa2c3b34ac85a48cb
Manifest6456ad3bb5f8c0ab3d56b05cf7034f5de27c53efb17b01c24a33271eb40b47a7

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
SignatureyWhrD2970iwsVU6+vKoW2Lw+z8mQrQXJ8NwZGrd/6dpOU/LHOWl4+mauLXRBFk4w3mGHf5iNtsji86mcvNsyCw==
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

2026-09-16T08:00:08.985651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005442
observed af01114f090fcd970866c83a5f31cf9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:08.973178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005442/manifest.json
observed 6456ad3bb5f8c0ab3d56b05cf7034f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:08.954868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005442/publication.md
observed 482d527076f66c53841a7b72b87c6a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:08.941467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005442/publication.txt
observed dae72ceb320e0460a4c1e21a218a3a06...
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.