OpenTechnical

OT-2026-000016708

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before 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-2026-000016708) never changes.

Identity and time

Publication numberOT-2026-000016708 · never reused
Internal UUID01a0ae6e-5918-7dc7-b0ec-5a9d4a4b5926 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016708
StatusPUBLIC

Content hashes

Canonical text3e6d04db870e43c07d64034c4d04827cb2a717bd37aaf52af3137d95d2243bab
Markdownc5c165c295781c6b3e206ff780d068790c36ab35f70ed80fe4ca1c9be1be91a8
PDF
Publication page4d673d8b430d457000a3b77f573004cfd873af88691aaa40ac1125631a3cec96
Manifestf4f5548d34853faa6fddb1acb616e44e0afb83ff429c232f4d3811bf952f00fe

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
SignatureruTbuzhaYoYlZIHZeQf8qtFgchnuxDK7ldgmh2rImgdCvucKeBVyfkoo5V2VpXQbEWnUecfcfZDY1sY4araKCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:55.951324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016708
observed 4d673d8b430d457000a3b77f573004cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.932825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016708/manifest.json
observed f4f5548d34853faa6fddb1acb616e44e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.915314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016708/publication.md
observed c5c165c295781c6b3e206ff780d06879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.896921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016708/publication.txt
observed 3e6d04db870e43c07d64034c4d04827c...
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.