OpenTechnical

OT-2026-000007387

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, sustained blow off after 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-2026-000007387) never changes.

Identity and time

Publication numberOT-2026-000007387 · never reused
Internal UUID01a0a97c-f6a4-74ec-ab0c-dc7c94f6626d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:12:14.247363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007387
StatusPUBLIC

Content hashes

Canonical text12b83c40bb7000552925ea79cf9832483c9cd2c0ab9de8573c5d6d0293dadead
Markdown9d571c563766517c9135a14170afcbb86483e284b9d2ff79d25c2863300db810
PDF
Publication page92ead55279189fe564b6e993c8a968aba426e282e5acd6188dfd18310aa39f1d
Manifest7f18cc0ee0a5204e02e543e29b2253cf0087718967ab02a45bd859dcfd4e735f

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
SignatureR4QZl+BPltATKOCg6urrFqwhDEA1IdirAFcuOYb67FkM2JD3hYSNfzoNACRBytqOYTeW7nYePYpgtDICRpDqCA==
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

2026-09-16T09:20:08.248444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007387
observed 92ead55279189fe564b6e993c8a968ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.234839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007387/manifest.json
observed 7f18cc0ee0a5204e02e543e29b2253cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.222189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007387/publication.md
observed 9d571c563766517c9135a14170afcbb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.209504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007387/publication.txt
observed 12b83c40bb7000552925ea79cf983248...
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.