OpenTechnical

OT-2026-000005913

Publication integrity record

Porous face vacuum gripper, per zone isolation, four outlet manifold, ejector fed, 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-2026-000005913) never changes.

Identity and time

Publication numberOT-2026-000005913 · never reused
Internal UUID01a0a949-029b-7b10-a6d6-8942d44c12a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:15:29.437599Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005913
StatusPUBLIC

Content hashes

Canonical textfee1eaa9a4fbd50cf834a04a2cca03db2040e1da5b567854ca715c7df0276fa0
Markdown86edaa9c7eac3e3fdeb9e0feb7108ab81fe579e86cada6546097eb6fd3874e26
PDF
Publication page6f6745fa854fce4511ac40f006d7713b0d45b221330e77d0663dadf537c79392
Manifestcbc1f5fd532f6b13f824036203c7d73da9e12031ad07a1dd5ac77fc36d8db673

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
SignatureKN5ynsM8W0+MNxoF7EJCnIEoZ3eJ+Mg4F76p43o54v1DpWjHWxvNxgZvd4BhGgg7ciUOLKdcN7xKGegVeOyOAg==
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

2026-09-16T08:20:18.208564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005913
observed 6f6745fa854fce4511ac40f006d7713b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:18.191345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005913/manifest.json
observed cbc1f5fd532f6b13f824036203c7d73d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:18.175656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005913/publication.md
observed 86edaa9c7eac3e3fdeb9e0feb7108ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:18.156468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005913/publication.txt
observed fee1eaa9a4fbd50cf834a04a2cca03db...
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.