OpenTechnical

OT-2026-000032474

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000032474) never changes.

Identity and time

Publication numberOT-2026-000032474 · never reused
Internal UUID01a0ae75-106f-78de-82aa-dc96f184375c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032474
StatusPUBLIC

Content hashes

Canonical textc856bc0cf7ff3198f2c9447a3f994bfa05290e4048fd71b13e268eabb0c7fa1c
Markdownf02d39e3c2a4545e87b5efca5b1c41eda3287276063687df8ec92b97b538d249
PDF
Publication pageff61af7e558af8579d31122f6438aa461b547c381b10b8f4a062e30b7af4a10c
Manifest0ac59b47664cd871192bd592ee974cd0fdb6205aa80d774e165558df196c2052

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
SignatureMa69s4XROmuDBtJwar96mxtdkn2Up5aJX5b3LUN4S/WFKk2sG9Zt7FxfJ1JFHuL46XEnV2xp+szTMyER6HryAQ==
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

2026-09-17T11:33:54.419117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032474
observed ff61af7e558af8579d31122f6438aa46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.402200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032474/manifest.json
observed 0ac59b47664cd871192bd592ee974cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.386942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032474/publication.md
observed f02d39e3c2a4545e87b5efca5b1c41ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.370121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032474/publication.txt
observed c856bc0cf7ff3198f2c9447a3f994bfa...
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.