OpenTechnical

OT-2026-000008149

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, vented after set-down

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-2026-000008149) never changes.

Identity and time

Publication numberOT-2026-000008149 · never reused
Internal UUID01a0ae6a-908c-730f-bd89-1402ed0fca0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008149
StatusPUBLIC

Content hashes

Canonical text8232936a8ec19f90f8d2743e063e4544cd7c00559d603eaca06ab9273cd2bd9a
Markdown5ee1d4d03fe7c3ab488927ee435be12555ccceb50136cc2f7fa4aebd95b87a8c
PDF
Publication page33758b4230cea4e5a82fc5df1c57d6d6df962c3e0922906a6e01e9fe579a19e6
Manifest5674e3f94ce8770fa8af5e96a571fe30ecd93fdf6e973c51e447d524000c8f86

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
SignatureujavMTgkiiYf22NjcAZ5cffsRpQSxz/gf0SIoPPtNSowOSeM5lJ84dV2NLjA3OcPpbwCJjFXWyTNTPNFoODpDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:28.821021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008149
observed 33758b4230cea4e5a82fc5df1c57d6d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.800902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008149/manifest.json
observed 5674e3f94ce8770fa8af5e96a571fe30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.782517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008149/publication.md
observed 5ee1d4d03fe7c3ab488927ee435be125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.762570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008149/publication.txt
observed 8232936a8ec19f90f8d2743e063e4544...
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.