OpenTechnical

OT-2026-000007437

Publication integrity record

Porous face vacuum gripper, ejector fed, sustained blow off after 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-2026-000007437) never changes.

Identity and time

Publication numberOT-2026-000007437 · never reused
Internal UUID01a0a97e-c386-7808-9111-d27c5886a54c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:14:12.234271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007437
StatusPUBLIC

Content hashes

Canonical text7c77e9b6ba8b260554eb6b273497ee4a555ee70e88e523359506a18d833f6d42
Markdownc9276c711a61152c32520d3b0862a44a57af80ee32842ac1c4d98310d6c133b3
PDF
Publication page28435603a4159e582796a9ef2788cac12af5aa0bc269288ece0587061deccafd
Manifestc57366045a0870479cb42d7a0ebd72f41d2376056b48de0be7cab683d0d564e0

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
SignaturerqAOjw5rubGGjaNURTCX3BuSADqJdq5jMMwmBW6CEp/1OlP2DZ50HZbV/hkUP3Q2WwPl+IoEyBWFMoP9cJPdCQ==
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

2026-09-16T09:20:05.417177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007437
observed 28435603a4159e582796a9ef2788cac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.405286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007437/manifest.json
observed c57366045a0870479cb42d7a0ebd72f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.392770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007437/publication.md
observed c9276c711a61152c32520d3b0862a44a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.379007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007437/publication.txt
observed 7c77e9b6ba8b260554eb6b273497ee4a...
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.