OpenTechnical

OT-2026-000007314

Publication integrity record

Porous face vacuum gripper, two zone face, ejector fed, vented before set down, open 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-2026-000007314) never changes.

Identity and time

Publication numberOT-2026-000007314 · never reused
Internal UUID01a0a97a-57b5-7f4a-a143-e0f30048b3c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:09:22.488347Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007314
StatusPUBLIC

Content hashes

Canonical texte599afff8a4917d452cb5a143216841a733d9a7e425128c234ab4d54cb52e294
Markdownb656d5cf1bc4e6cb6a301670fd4e40c8f5f5ae8a09d81ca6c43ec5d5c0608c87
PDF
Publication page72f74e4e6484c7fe4dc5abc88842c3dd07c8095ac1bf2d552d9629350c99534d
Manifestf72946732c2a779218fbde4e0d6223da0d653bc2f1fb95f2a4550798990613f4

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
Signature0Rsav0hNORtvn0p3sju8OmBl5od3nAPVaaeIZdgrwpUJ72TCaB4T8Cy1c5MLdQZnFC6Cqy+IE0mqjmaLSvJrBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:04.901637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007314
observed 72f74e4e6484c7fe4dc5abc88842c3dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:04.889707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007314/manifest.json
observed f72946732c2a779218fbde4e0d6223da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:04.752460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007314/publication.md
observed b656d5cf1bc4e6cb6a301670fd4e40c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:04.741635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007314/publication.txt
observed e599afff8a4917d452cb5a143216841a...
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.