OpenTechnical

OT-2026-000032900

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000032900) never changes.

Identity and time

Publication numberOT-2026-000032900 · never reused
Internal UUID01a0ae75-4842-7da4-8941-a57ad08c47df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032900
StatusPUBLIC

Content hashes

Canonical text760b325bc0c2ded16a8000b09d6de7e8135654ef0bf843d1eb14851afa1ab9c2
Markdown006b05e814020307149a551cf9fa32954c27e64975850d6c18eaddff2bb2593e
PDF
Publication pagef41eca0347bf418577249e00412fc97502d9f52b7be55f3666ed3a6a525d4a01
Manifest399a7913290dd860952cd8000ee33c63949b75bf0d3faf0f3e5900fb3156c657

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
SignaturermOz3MGpP3+vx1/OHPt+Y3F4DRd6Mj6diXgTN80rOK3fz0GdO/jqBOdUW7KM/dMZjmasUeTUVeSEZRCMCfAfBQ==
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

2026-09-17T11:32:29.290965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032900
observed f41eca0347bf418577249e00412fc975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.274902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032900/manifest.json
observed 399a7913290dd860952cd8000ee33c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.257315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032900/publication.md
observed 006b05e814020307149a551cf9fa3295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.240258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032900/publication.txt
observed 760b325bc0c2ded16a8000b09d6de7e8...
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.