OpenTechnical

OT-2026-000054343

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000054343) never changes.

Identity and time

Publication numberOT-2026-000054343 · never reused
Internal UUID01a0ae85-b3a9-72af-a54b-658edd617305 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054343
StatusPUBLIC

Content hashes

Canonical text80a048bb49a24bd90274e1f54647a5940088b46bf5c93d8744c894be5670d0ae
Markdown0a6cbd7b801e6f65f9e9edc52738c2d88accc07d96c6499951cf2a4ee598e7ae
PDF
Publication page2828bc3c8f61ec41b94bf03be7a3ef215f52238dec7ddf78e257555fd93c61ef
Manifest5fb0ee7195bcfdd2acdf1f9e269fc3fb54174e9821dc887d0d98668ea7be9403

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
SignaturedrGg+XvtxCUqro9FsjwiWEi2qrknU1tXpZ/lopVtVaxb293R7cWFrfx/0jcMFIVwefgjFnWezcxZ9l4TzTNjDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:51.543591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054343
observed 2828bc3c8f61ec41b94bf03be7a3ef21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.524924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054343/manifest.json
observed 5fb0ee7195bcfdd2acdf1f9e269fc3fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.506665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054343/publication.md
observed 0a6cbd7b801e6f65f9e9edc52738c2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.487691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054343/publication.txt
observed 80a048bb49a24bd90274e1f54647a594...
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.