OpenTechnical

OT-2026-000038809

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038809) never changes.

Identity and time

Publication numberOT-2026-000038809 · never reused
Internal UUID01a0ae78-769f-76c5-b832-edc60755c989 · 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-2026-000038809
StatusPUBLIC

Content hashes

Canonical text14363c33f32b4b5b5c04bba569d1a03172dba7b5eb91384696e0aecd7434d510
Markdown3e5e9160e65db9393887fd78ab2f52df25e2d978b7af571c2de3beebcd8f3fa8
PDF
Publication page5188a2a9372033150557050196f3b07dbbeaadaa2fdbc0e82b74558abba79e16
Manifestd3ac3f00b105ca69acfafcff7d6f34aeff4361f8e980db96e39e6d707fbeb6e6

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
SignatureMx81jTULOCsdiwF7QEIuZ7SGjD1ejons0LHwndqoO4Q0OZiWo/8qtvl6kdYtJ8cBebX3oJapA/8NmTJ2/JmaAQ==
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

2026-09-17T11:21:21.922206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038809
observed 5188a2a9372033150557050196f3b07d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.903028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038809/manifest.json
observed d3ac3f00b105ca69acfafcff7d6f34ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.885883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038809/publication.md
observed 3e5e9160e65db9393887fd78ab2f52df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.867689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038809/publication.txt
observed 14363c33f32b4b5b5c04bba569d1a031...
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.