OpenTechnical

OT-2026-000007118

Publication integrity record

Porous face vacuum gripper, common isolation valve, two stage ejector, pressure verified, 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-2026-000007118) never changes.

Identity and time

Publication numberOT-2026-000007118 · never reused
Internal UUID01a0a973-5393-7a0f-bc57-7b27f0e91f59 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:01:42.678547Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007118
StatusPUBLIC

Content hashes

Canonical text0572606f52b183e524ab6e191d7e96cb5725045ba7333aa0da7e856d177ae17a
Markdown710ae0bb8042fd235dca1124656688f095563e9b3ec9463119fb1cbeb7bc2180
PDF
Publication page867985a97d52a5878b0a64840058f12b22589ac2015a4fb755f5b41cfbb34d2e
Manifestd559aa17a7f48fc042299b6496c5b085c6ebc3bf841de6741e0f0610c0da0ef7

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
SignatureqKdQ0SgTR0oKw/WDMhHxLWAp3bxHMxSEeJKkFNeTCrU5be2S0NRfSHE5vmZmchMQ/a0aZ5JUXYJ/ONXOiOQTDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:25.131389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007118
observed 867985a97d52a5878b0a64840058f12b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:24.991119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007118/manifest.json
observed d559aa17a7f48fc042299b6496c5b085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:24.975544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007118/publication.md
observed 710ae0bb8042fd235dca1124656688f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:24.961499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007118/publication.txt
observed 0572606f52b183e524ab6e191d7e96cb...
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.