OpenTechnical

OT-2026-000056352

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000056352) never changes.

Identity and time

Publication numberOT-2026-000056352 · never reused
Internal UUID01a0ae87-4bd2-7b63-a050-d1d828783821 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056352
StatusPUBLIC

Content hashes

Canonical text7ae58d93d6d03b950ba639198b22ef722f1c3d575c40fe54b1c9100229f4e268
Markdownee51ac4d2e4c1f056b19350a5f0242d7f421a4e1304ddaf9f13ee23715941ec8
PDF
Publication paged9eb94b321a380e81cbe50cfac5f17b675d5067839c00b693081a14de5ad5688
Manifestbb016a29610f732cb0e8c6c30c3613ba0e81d8f3f3e1821089f2e7a9580976c5

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
SignatureMbRTylwEOQNqVamPDxDQKfqVsiNOiNN2g+l+VdZVvrL3MXsLo5orB3F0KF4WkUhPhn3oxy1gPGJ0nsJ3HzqFAg==
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

2026-09-17T10:50:51.828672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056352
observed d9eb94b321a380e81cbe50cfac5f17b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:51.810134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056352/manifest.json
observed bb016a29610f732cb0e8c6c30c3613ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:51.792722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056352/publication.md
observed ee51ac4d2e4c1f056b19350a5f0242d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:51.775620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056352/publication.txt
observed 7ae58d93d6d03b950ba639198b22ef72...
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.