OpenTechnical

OT-2026-000099227

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000099227) never changes.

Identity and time

Publication numberOT-2026-000099227 · never reused
Internal UUID01a0aea2-8288-79f3-aa62-686f82c553e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099227
StatusPUBLIC

Content hashes

Canonical texte77e880dafc8459bc467a3d19cee7b2594be143f2e713caef5a286d41bad1c4b
Markdown08117df6839f4f0f530133dbcc0604d0f655f35040b694d1b651dd41e783ed9d
PDF
Publication page6f51de084728cdc7c8f0911861cd432db65847ce0d5640fa7e41ac205be2ffdc
Manifestf516f2d7ab55df486ea4c3207bed3657a504978fda383c9959aa70b2ff3fb959

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
Signature222wxwG26x/dXaLc2EY25agbiZ29z9uVqM/LKh5b5f/bMG1TyUyNnkWCMFLb9MvyATKQ7G2dz8gQkdCy/ciuAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:37.645379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099227
observed 6f51de084728cdc7c8f0911861cd432d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.622855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099227/manifest.json
observed f516f2d7ab55df486ea4c3207bed3657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.603434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099227/publication.md
observed 08117df6839f4f0f530133dbcc0604d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.573883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099227/publication.txt
observed e77e880dafc8459bc467a3d19cee7b25...
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.