OpenTechnical

OT-2026-000083251

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, sustained 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-2026-000083251) never changes.

Identity and time

Publication numberOT-2026-000083251 · never reused
Internal UUID01a0ae97-c963-7c26-855a-c0d8f430255d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083251
StatusPUBLIC

Content hashes

Canonical text52cd524c0f300d25ab09ed06ec9880ba515def0d63c39f4660ceeb4e3d26b839
Markdown3eef6843921c4fc20701e43ae8562909e4227784649d256a01a5358d8b4ee938
PDF
Publication page89471f7e8b0b967157c921c0623c303cf8843307cb246c09d4b1fc655588ea6b
Manifest8c640f92a11de6777d3314707d0ed8dd90e9d6108bedb81418e8697fbd00c956

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
SignatureTyuNd9a0nfTevUjz4SXpS6HngktGIOTNiFnSOHYakkYFRyFVLTPP1aDs8DYcC92JcVArGErpN/B5zDl/NjFqCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:01:15.123909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083251
observed 89471f7e8b0b967157c921c0623c303c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:15.104740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083251/manifest.json
observed 8c640f92a11de6777d3314707d0ed8dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:15.084465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083251/publication.md
observed 3eef6843921c4fc20701e43ae8562909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:15.065458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083251/publication.txt
observed 52cd524c0f300d25ab09ed06ec9880ba...
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.