OpenTechnical

OT-2026-000038959

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000038959) never changes.

Identity and time

Publication numberOT-2026-000038959 · never reused
Internal UUID01a0ae78-76a0-74da-be9a-a99cb6ef3f5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038959
StatusPUBLIC

Content hashes

Canonical textbcc45f91ea526da7a504fd7fde61fd3fba7de664b41e8eea40a8a6d0e4704d52
Markdown5c65ad6837e02ee37f7cb123caccfce800ca95c56c834fd97792528372259f09
PDF
Publication paged18062fa6b1ca8d6c36ac9d0c831fed42f19fd03b33c7df2f349dacda058db6d
Manifest9084a91d115efc6cb9cdda75a8d1890209bd2a0f67432b1972ea47a300a459a6

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
SignatureQmi+EJTt4k6Oy1zMdP7kbXSIfligXCjTxkWPm7CmCs+Duid9jcU491dTwQkbxVrj/LjjNeOvzF449I3LLp2kAg==
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

2026-09-17T11:22:13.943208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038959
observed d18062fa6b1ca8d6c36ac9d0c831fed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.924870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038959/manifest.json
observed 9084a91d115efc6cb9cdda75a8d18902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.908057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038959/publication.md
observed 5c65ad6837e02ee37f7cb123caccfce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.890957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038959/publication.txt
observed bcc45f91ea526da7a504fd7fde61fd3f...
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.