OpenTechnical

OT-2026-000016093

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000016093) never changes.

Identity and time

Publication numberOT-2026-000016093 · never reused
Internal UUID01a0ae6e-0c4e-7e26-9774-8798a8c5fdc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016093
StatusPUBLIC

Content hashes

Canonical text03326bf8180face9b77f57afceb334eb72ec4ed67b83b4fb1066edd884d39c9f
Markdown0a326f45f97b0aa9f0e31c7bea2cf5f0f10bb1961f22d8554557e69b91b4a28b
PDF
Publication page1d2b4d8ced9c48246bcfd34a5ad77d8d157df73d84e2527b7d9b8095380c2e9d
Manifest5ff46166b6f116adfa66166a9c0c1e98c82fa574b269bca6d998f9c840133882

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
SignaturesMGhV4/3eAUDfc5wZv+p/oGv7QsSgnFefDLwa7BStGKDWuI2YzsZGU/aq85FtgnuUzdrxKep07QMMFA0doADDg==
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

2026-09-17T12:05:40.241986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016093
observed 1d2b4d8ced9c48246bcfd34a5ad77d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:40.223524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016093/manifest.json
observed 5ff46166b6f116adfa66166a9c0c1e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:40.204050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016093/publication.md
observed 0a326f45f97b0aa9f0e31c7bea2cf5f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:40.183504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016093/publication.txt
observed 03326bf8180face9b77f57afceb334eb...
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.