OpenTechnical

OT-2026-000005349

Publication integrity record

Porous face vacuum gripper, two zone face, per zone isolation, three stage ejector, contact triggered

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-2026-000005349) never changes.

Identity and time

Publication numberOT-2026-000005349 · never reused
Internal UUID01a0a936-3ed4-7833-8185-b75b106c4e2d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:59.670678Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005349
StatusPUBLIC

Content hashes

Canonical text15b087ac755a75c2646c78f3cbba38c1b616e84788e79f159e4d4da636a85d4e
Markdown510a5718cdc2baa70fff31c27f5567540dc20c4525d6e5135af85b3f7a2cc519
PDF
Publication pageff76c88d3f0f2f239c0308cea5a00b834904a08d84fa1a47bcc6f5d6ffbbe734
Manifest9dbe71c04793e20653d335b1fbd326fcc446a4e259516ae8f74479ecef9649d0

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
SignaturemEuid/lSNEmEg+9UxI5BynVkC+oktHiIhMLXE6t3YXve1qkr7yH2DrJfIdOFoWvR2+DjJeto0YMVf2gyu7aBAg==
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

2026-09-16T08:00:19.707214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005349
observed ff76c88d3f0f2f239c0308cea5a00b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.694270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005349/manifest.json
observed 9dbe71c04793e20653d335b1fbd326fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.679806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005349/publication.md
observed 510a5718cdc2baa70fff31c27f556754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.666066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005349/publication.txt
observed 15b087ac755a75c2646c78f3cbba38c1...
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.