OpenTechnical

OT-2026-000006251

Publication integrity record

Porous face vacuum gripper, common isolation valve, three outlet manifold, three stage ejector, closed cell

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-2026-000006251) never changes.

Identity and time

Publication numberOT-2026-000006251 · never reused
Internal UUID01a0a954-6f3d-7124-9a24-dd284f02f124 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:27:58.143876Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006251
StatusPUBLIC

Content hashes

Canonical text01382a62412ec1f8a3b94eaca949436053499901dcfd2869792ce6e19be316f8
Markdowndf1a797117b2df35fc7b3e8599177a380be192d4a77e8f7c0136b9bf7adadf88
PDF
Publication pagefe0657316655be368653c4ebe04d22afb910c49bffcd625ebbc885d3f84b68d5
Manifestdd242ea40f678fd012f96c47e834d1253412e34eb3f010c345d28563ba9a5cf0

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
SignaturedERsFz56KZexqZ2jimr1uBd/3Ux9/MwBm8/cCxn9v5u5qL7GspiGqTmgVHuOYwu75pPakQ9bKA9YkvpJQmlFAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:09.913511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006251
observed fe0657316655be368653c4ebe04d22af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:09.900913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006251/manifest.json
observed dd242ea40f678fd012f96c47e834d125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:09.888291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006251/publication.md
observed df1a797117b2df35fc7b3e8599177a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:09.875420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006251/publication.txt
observed 01382a62412ec1f8a3b94eaca9494360...
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.