OpenTechnical

OT-2026-000005085

Publication integrity record

Porous face vacuum gripper, four zone face, pump fed, contact triggered on the face

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-2026-000005085) never changes.

Identity and time

Publication numberOT-2026-000005085 · never reused
Internal UUID01a0a92d-6197-7065-9760-33438df083fd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:18.746429Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005085
StatusPUBLIC

Content hashes

Canonical text0e6ddb292f17f870652859d8b8e62090b4a27b50f2f286a23c53623646da48c0
Markdownf21c64af55ba6947f9017a912f9058fbf5155219f9fcdc53ed5bb593c327c04d
PDF
Publication pageee2a31c5b76048cab3f83b515e8db6e4a422c31cb6b8a74d69d9824f254950c2
Manifest5553b09e87f475c4a309292bb6a44410c472b8606a1f0b734bce8c8159c742c7

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
SignatureLbs3n9cXECajQG+ejNU+La0VgwXhtk6YyJB7T5w3w8AH/+CaY+TF5Oc64HAcal1skjg9ark3FubNNUGlAGRJCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:17.156963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005085
observed ee2a31c5b76048cab3f83b515e8db6e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.143690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005085/manifest.json
observed 5553b09e87f475c4a309292bb6a44410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.129332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005085/publication.md
observed f21c64af55ba6947f9017a912f9058fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.996114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005085/publication.txt
observed 0e6ddb292f17f870652859d8b8e62090...
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.