OpenTechnical

OT-2026-000043424

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000043424) never changes.

Identity and time

Publication numberOT-2026-000043424 · never reused
Internal UUID01a0ae7b-327f-7c61-8d4c-7f87a7c505d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043424
StatusPUBLIC

Content hashes

Canonical text8cf01377cdba9c7c166874150017441f42ff06dcc6ca74b6c23870371228cdf1
Markdown0caa912a05b30b58535719790d6a6dd54ee0d3a86a2e0b547f24c1addbf105a7
PDF
Publication pagef5d2302918eacb7f0cbf8a47ed7cd258fe8feb093aecb6abd2e120b8cee50f6c
Manifeste891cb91b9cdfb5be609e80e3e1dfd5d63d8dd71add14d0773d07c80c19b61be

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
Signaturev+fLMyv+tAtk9qpHMFZwJQ/kDRJa1BRBclm04sCWBnSoSPRIdtoakDrZmoWmHND9u9ShR6Bumbih66Je/xAXDg==
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

2026-09-17T11:13:58.053609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043424
observed f5d2302918eacb7f0cbf8a47ed7cd258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.035307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043424/manifest.json
observed e891cb91b9cdfb5be609e80e3e1dfd5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.017163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043424/publication.md
observed 0caa912a05b30b58535719790d6a6dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.996676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043424/publication.txt
observed 8cf01377cdba9c7c166874150017441f...
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.