OpenTechnical

OT-2026-000005273

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, 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-2026-000005273) never changes.

Identity and time

Publication numberOT-2026-000005273 · never reused
Internal UUID01a0a933-82d8-7868-929c-19caa4980fe4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:52:00.475629Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005273
StatusPUBLIC

Content hashes

Canonical text059b5b7629ec182b54f0bb59b598f0d42b2f9d1a51089f99a0bdb9f643ec2d04
Markdowneefda3e3656f5096248978228c8a3d52d1c69cd5cc5cb27eff7457017b37c2d0
PDF
Publication pagecd1a689713d327678830e31ebe8c796f90909fd07d131a890d4332651c1c1c31
Manifest62adb013907a1b6ab1b0bd968437badef127caa0156f765a3ac05bcaf5702160

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
SignaturevTq3HMV1CDTNaLh2PflCte4ISdgSQbjkBBecEuN1WVbm3dffs3nrXm0FuUAinyE4BkG6aahK23d9Ope/qUyDBA==
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

2026-09-16T08:00:28.150088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005273
observed cd1a689713d327678830e31ebe8c796f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.136426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005273/manifest.json
observed 62adb013907a1b6ab1b0bd968437bade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.122320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005273/publication.md
observed eefda3e3656f5096248978228c8a3d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.994503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005273/publication.txt
observed 059b5b7629ec182b54f0bb59b598f0d4...
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.