OpenTechnical

OT-2026-000007368

Publication integrity record

Vacuum cup gripper, two zone face, three stage ejector, vented before set down, polyurethane cups

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-2026-000007368) never changes.

Identity and time

Publication numberOT-2026-000007368 · never reused
Internal UUID01a0a97c-4eb2-75f0-9c3c-04ee66b5a706 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:31.253084Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007368
StatusPUBLIC

Content hashes

Canonical textb991159bb9d67d6c271b0d5757f96fcb9fef6fb7f37d7dacabe6a6405529ba34
Markdownb423900b0c9a3ea2a5ae72162ba1482797abc8d67e8099fedbf8ccb7d0fc7b8b
PDF
Publication page077c7437351c5f28fef067cbe401bc0ecf16d086a06bf49a83ae89ff8e22120a
Manifest088f298de2c8ae01724c82c41a4be58e54df7206ab7c3ee1a9e97b65d167f6be

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
Signature2wEaopES+gDPWUiAdYRfQznuaZEUpghKl3g9Zu0ro++syR/qqm3zXHHumEUt3lpEAoFXNkIDU2mMFEbq6U8JAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:09.286554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007368
observed 077c7437351c5f28fef067cbe401bc0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.274556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007368/manifest.json
observed 088f298de2c8ae01724c82c41a4be58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.259901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007368/publication.md
observed b423900b0c9a3ea2a5ae72162ba14827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.245547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007368/publication.txt
observed b991159bb9d67d6c271b0d5757f96fcb...
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.