OpenTechnical

OT-2026-000006053

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, contact triggered, vented after set down, 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-2026-000006053) never changes.

Identity and time

Publication numberOT-2026-000006053 · never reused
Internal UUID01a0a94d-c06d-7a8a-a251-893ef7cbbe43 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:20:40.175590Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006053
StatusPUBLIC

Content hashes

Canonical text398272b541b2e9551c2675973cac756af2644db7dcdb83651748cabf7d4cd3ae
Markdown74380c4d49f51001f50ce212951e952d4792a083446a5e3f873070724a0f1dc0
PDF
Publication page8d8501e0f5b13b6158b1a72cef5b26271e9dffbe557e10a0de27dcf2e41b63b6
Manifest604781e4904871dd26eaf1a899d5b9580e187821720ef7084e93409638fd4642

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
Signature9rS+sfJ3ZAWMkVrqAF2Uq91LwqrQ/SaMCAs7jMENKkctBvwx32o5SMDrC1Ldhoh6ZSo+kwSwqQ4biWYozxQvCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:32.942718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006053
observed 8d8501e0f5b13b6158b1a72cef5b2627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:32.928616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006053/manifest.json
observed 604781e4904871dd26eaf1a899d5b958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:32.915756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006053/publication.md
observed 74380c4d49f51001f50ce212951e952d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:32.901770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006053/publication.txt
observed 398272b541b2e9551c2675973cac756a...
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.