OpenTechnical

OT-2026-000011554

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000011554) never changes.

Identity and time

Publication numberOT-2026-000011554 · never reused
Internal UUID01a0ae6c-88ff-7fc8-9de0-af4b758d1318 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011554
StatusPUBLIC

Content hashes

Canonical text317f96bc4f530110aae69aa10139766d55684089aa81269cff9eb46217799b02
Markdown4d3af387a1cb745c1698e427699880539aebb2a5279609844cc68561b9e79e30
PDF
Publication page7122fb005eacc3614ff348761d11d17ac96ea43f86d85f10f3d4438751373ad9
Manifest3d5923ef5e1db6fd6a3eb4009d89108477a9747f42051c0a37effdd5b4c1771c

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
SignatureNSiyK5HD4Nl4D+MQoeOwB45v8gwKpiFUEyviDZ1+XrY09lPrdRej3ult7dXDkmYjIO3aGzgUd+XmRssiBuCTCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:27.063805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011554
observed 7122fb005eacc3614ff348761d11d17a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.045927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011554/manifest.json
observed 3d5923ef5e1db6fd6a3eb4009d891084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.028529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011554/publication.md
observed 4d3af387a1cb745c1698e42769988053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.010082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011554/publication.txt
observed 317f96bc4f530110aae69aa10139766d...
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.