OpenTechnical

OT-2026-000007066

Publication integrity record

Porous face vacuum gripper, 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-2026-000007066) never changes.

Identity and time

Publication numberOT-2026-000007066 · never reused
Internal UUID01a0a971-6563-7a21-9a69-9f61ca32959e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:36.166122Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007066
StatusPUBLIC

Content hashes

Canonical text1a59f4637d65e1ad6497bb15ae0c86e5a543b0a5de200f3725cfa76fd8d11057
Markdown23b81ceb02a4dcb33db4c4d64b673b8003b7dcf62afe0a85a54d5773c3c8de2c
PDF
Publication page32f3c225d117998d3f46b9275e9fee0bfe7f18c8f2f50e810be82a4181855cd6
Manifestc500c60e01e005877eca4c420552c0a419f966f64fa6af02a49e1650f0a65e9f

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
SignatureP3ZAJym/V25Badk4RhORCwz/39Rtd99g4ORI450g1NgJf31PHiLeFVFiCGenAlAy6DqzD8chTEQp8JJ0qefwDA==
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

2026-09-16T09:00:05.694224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007066
observed 32f3c225d117998d3f46b9275e9fee0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.681314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007066/manifest.json
observed c500c60e01e005877eca4c420552c0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.661306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007066/publication.md
observed 23b81ceb02a4dcb33db4c4d64b673b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.645455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007066/publication.txt
observed 1a59f4637d65e1ad6497bb15ae0c86e5...
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.