OpenTechnical

OT-2026-000084149

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000084149) never changes.

Identity and time

Publication numberOT-2026-000084149 · never reused
Internal UUID01a0ae98-5b5f-786b-9248-b851c76a07b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084149
StatusPUBLIC

Content hashes

Canonical text839d86370027c1aa1be0a77a39e17687f190149a04bc001826757f6069caf9e7
Markdownfd0c2e3099e7ae90170abf9ed623e4381ab767c11a5e701a90f679e996e6e013
PDF
Publication pagec732191bd54d53a7187a4c3b2010481ff467d25d5b34677b9964e651cbbc3be6
Manifest1b5af222eda8a1b14b0a6258b7fced063463b1b4b1f11c2b740c48e31b0ebb07

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
SignatureCVcJhhG0L0vAPO3jLRz6Hr15Qr4iDq8ptEHj6EFLOWI6HGkKMHnTYWK7ByS/sO+Wld8WXqkbhUH/LFOWZmXYBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:55.015445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084149
observed c732191bd54d53a7187a4c3b2010481f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.997479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084149/manifest.json
observed 1b5af222eda8a1b14b0a6258b7fced06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.978639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084149/publication.md
observed fd0c2e3099e7ae90170abf9ed623e438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.961507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084149/publication.txt
observed 839d86370027c1aa1be0a77a39e17687...
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.