OpenTechnical

OT-2026-000078984

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, vented 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-2026-000078984) never changes.

Identity and time

Publication numberOT-2026-000078984 · never reused
Internal UUID01a0ae95-ccbe-745e-a8e9-89af942a9b89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078984
StatusPUBLIC

Content hashes

Canonical textb08d0414b46886fe79703514a4623d61fca82efcf538b31cb4f3871220bf5512
Markdownf5f40d702e6714c6347164c03a8878588157258b2648c37965a0d542e0c3e920
PDF
Publication pagea9b5c6e3115e8e9e06a78dd6b31eda88891b2fbc30bfe48ff4444a49b8924d66
Manifestee8d2a8649e95b2b51102d10f7d0729c5ac84f815d97eb60c7cda0099d8a836c

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
SignatureCkRVgHMydnf3cj2Kfb2gAe/jxIIDlwJa4Gz6R/CGOrKqrhu6cv2153TNps/XkfKRaI0uAEPrB6cxlde9L237Cw==
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

2026-09-17T10:05:48.737172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078984
observed a9b5c6e3115e8e9e06a78dd6b31eda88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.717829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078984/manifest.json
observed ee8d2a8649e95b2b51102d10f7d0729c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.698660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078984/publication.md
observed f5f40d702e6714c6347164c03a887858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.679603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078984/publication.txt
observed b08d0414b46886fe79703514a4623d61...
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.