OpenTechnical

OT-2026-000007422

Publication integrity record

Vacuum cup gripper, three outlet manifold, two stage ejector, vented after set down, rubber 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-2026-000007422) never changes.

Identity and time

Publication numberOT-2026-000007422 · never reused
Internal UUID01a0a97e-3ab4-7b19-b26b-6356397939d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:13:37.208066Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007422
StatusPUBLIC

Content hashes

Canonical text04be79f86f8be706d52e19ee9db212dbd4f3df3ee31b2992933d59719408ac77
Markdown9f46148895e0a3c825820161fa71c0b62ce56929a6c133003267653c03d6a356
PDF
Publication page258f78ed5b0036bff5aecaebeb0fdbd96eeea16f9f84da32282ae9280b907b21
Manifest15a4ea95aa692c7acc5b2e70613bfacfb1c43031fe7f1f7d976f75e4d26338a2

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
SignatureOGjoQMq+pnSmkVAV7sBBIfgwbZnU8GCEn89Is49oiA9+QCu95xOAsxliwZ1vj69DK44wfmTH5v5QmgWoLrt1DA==
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

2026-09-16T09:20:06.261369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007422
observed 258f78ed5b0036bff5aecaebeb0fdbd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.248491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007422/manifest.json
observed 15a4ea95aa692c7acc5b2e70613bfacf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.234378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007422/publication.md
observed 9f46148895e0a3c825820161fa71c0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.220543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007422/publication.txt
observed 04be79f86f8be706d52e19ee9db212db...
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.