OpenTechnical

OT-2026-000005835

Publication integrity record

Porous face vacuum gripper, per zone isolation, three outlet manifold, plant vacuum fed, contact triggered

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-2026-000005835) never changes.

Identity and time

Publication numberOT-2026-000005835 · never reused
Internal UUID01a0a946-6e3e-7c29-8feb-765774b6a64b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:12:40.385523Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005835
StatusPUBLIC

Content hashes

Canonical textdd5f5e34e68d27b331dfe62f5a4237071755d21762c7a2b6a8bfbc6f4dd7be95
Markdown54d920caf2da3d5a4800aa8d2531b9f68c07267064588f557c87badec0e2274c
PDF
Publication page75e3a515b51cb5ba8133b30099932be1f491dfa42468dd4b0911d0f34a721155
Manifest60327ab8ccfe5380fcb545eaa2dea26f1282c58f76d429aae701a0148140c716

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
SignaturebMNMiQa1Djim8aN8EGLWxsDcYZm50T67x0hmRwCiHlwpeyb8Qiva+XHEWqerAZ4ZrNhlNVWNUSUv9RRES/MLBg==
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

2026-09-16T08:20:27.382908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005835
observed 75e3a515b51cb5ba8133b30099932be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.244568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005835/manifest.json
observed 60327ab8ccfe5380fcb545eaa2dea26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.227171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005835/publication.md
observed 54d920caf2da3d5a4800aa8d2531b9f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.213775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005835/publication.txt
observed dd5f5e34e68d27b331dfe62f5a423707...
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.