OpenTechnical

OT-2026-000007468

Publication integrity record

Vacuum cup gripper, common isolation valve, four outlet manifold, ejector fed, pressure verified, 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-2026-000007468) never changes.

Identity and time

Publication numberOT-2026-000007468 · never reused
Internal UUID01a0a97f-ed4b-78f8-a617-761473d52d67 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:15:28.463145Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007468
StatusPUBLIC

Content hashes

Canonical textd82991d0e162701858a2adacad3a2af470655502fe52bd59f734395eaaab8f0c
Markdown50bc4311172654943f97e64f9e9c87f08c51e371da5b44ae6b0d7471775d5047
PDF
Publication pagee1ab0fcc03f79116aa320830ffa6ffd08343751618302f94e848ae7b2ca023f5
Manifest9afbcf1dacfaec600ab61fb66fe19158a6616665c0c78acd0df23a481eaec448

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
SignatureW7Z+o+2o7FbeZioaxlhIKJvo0dVt7lE7PE7nMfBIdlOgp+xNceLLFhOYFwY41spRUcPAwt1r4y3VCqjRSNZQBQ==
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

2026-09-16T09:20:03.725601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007468
observed e1ab0fcc03f79116aa320830ffa6ffd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.714619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007468/manifest.json
observed 9afbcf1dacfaec600ab61fb66fe19158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.701840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007468/publication.md
observed 50bc4311172654943f97e64f9e9c87f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.688419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007468/publication.txt
observed d82991d0e162701858a2adacad3a2af4...
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.