OpenTechnical

OT-2026-000050134

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000050134) never changes.

Identity and time

Publication numberOT-2026-000050134 · never reused
Internal UUID01a0ae82-5c45-74cc-a518-ca3dbaaac47e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050134
StatusPUBLIC

Content hashes

Canonical text0f66ae0a3715cd92a7e7d51e2a08b1b4da2f48f30ca1e7be8da2b41b954c2bf1
Markdown311ccbc0dc63f9a2f7afeedba93cf24a5b3b5a96589834aa85193050e91f871f
PDF
Publication page844ee14017de201a72338886c609f99392791cca0c517d39cc1e843d2136d39e
Manifest8b095cd922d7734241ef8ba115ffb56825f6e3cc3492c556d506b974b925f376

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
SignaturehFo2LkGHHuQDUpUzI56GPw5rkvHVITu9ApM45UAQ50PeOqQZV/Lg4u1s2rwr2HEPDIiaeUkz8wWJFaVW3jfuCw==
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

2026-09-17T11:01:06.153984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050134
observed 844ee14017de201a72338886c609f993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.137568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050134/manifest.json
observed 8b095cd922d7734241ef8ba115ffb568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.118395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050134/publication.md
observed 311ccbc0dc63f9a2f7afeedba93cf24a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.101429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050134/publication.txt
observed 0f66ae0a3715cd92a7e7d51e2a08b1b4...
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.