OpenTechnical

OT-2026-000005974

Publication integrity record

Porous face vacuum gripper, common isolation valve, four outlet manifold, two 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-2026-000005974) never changes.

Identity and time

Publication numberOT-2026-000005974 · never reused
Internal UUID01a0a94a-fc5a-7e30-89ff-3ef58a4f7977 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:17:38.908913Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005974
StatusPUBLIC

Content hashes

Canonical texta9ec7509aaffc90e1917d428b07f9999c61332d7c376ceab7d00194cf7f1cbab
Markdown400f71e86285b8345de754770e1d9e6e17c6460c00781d1ceee1bda30f83cc89
PDF
Publication pagecece009aa3c35c09b42bf47a002830487e2eec66b5d65037a1b583c9434ee796
Manifesta0fb458284617a3b654d15c336c16133ee8614a0b31f6551c821348cdb141150

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
Signatureslav7B8Tg+riyg1jhfLcRiIUueCMBHcqsWhYNAxbCGJvY7+sFydyQDjY4XU7qkyHbbM/SFeFsrjfUo0UqxxjAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:10.715649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005974
observed cece009aa3c35c09b42bf47a00283048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:10.697579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005974/manifest.json
observed a0fb458284617a3b654d15c336c16133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:10.681759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005974/publication.md
observed 400f71e86285b8345de754770e1d9e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:10.666446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005974/publication.txt
observed a9ec7509aaffc90e1917d428b07f9999...
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.