OpenTechnical

OT-2026-000063338

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000063338) never changes.

Identity and time

Publication numberOT-2026-000063338 · never reused
Internal UUID01a0ae8c-f943-7503-a3f4-4a7731d01fea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063338
StatusPUBLIC

Content hashes

Canonical textb65773e295cd94f118e2dde3d244a69de9c58d3c2912eacbfe8cc27a00de1eb3
Markdown49271aabe3603d40a0e0487b1c9b68b5026e217f615d97ba2a63369c2c40225c
PDF
Publication page0198bc53f0413e6c15461d91f24311203cead5c1a7b8409a2e01970664112708
Manifest10871721a1362462d2d43e2ac24fefcf784982cb4c499ab7d90d61d066ef2a22

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
SignatureuxVgfbxoe1iZ/zvJlCGVtZaME5/hta1f2P2bUjW5V5fP4rrH9g0jOu5ZgH5ffQGZOt4+1d5mQCu7OkksN4tyAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:14.128317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063338
observed 0198bc53f0413e6c15461d91f2431120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.107509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063338/manifest.json
observed 10871721a1362462d2d43e2ac24fefcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.090090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063338/publication.md
observed 49271aabe3603d40a0e0487b1c9b68b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.073176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063338/publication.txt
observed b65773e295cd94f118e2dde3d244a69d...
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.