OpenTechnical

OT-2026-000042851

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000042851) never changes.

Identity and time

Publication numberOT-2026-000042851 · never reused
Internal UUID01a0ae7a-c0d0-7876-b6bf-5922e12b779b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042851
StatusPUBLIC

Content hashes

Canonical text5ed1fcf524f8e02305fd49c21771ad8b816cc1ecab41dffbfd4b2ceef0f947c0
Markdown0a564a67877f3703373535fd7e1461b8b3cc8d56a3daf0074193c675e544d2b1
PDF
Publication page33fd9f7afc1eb2d66c0d039f2527294f68cc19d976a21376bd3c8d9245ba97e8
Manifestbbed330ea2a936fe623e82a90300635c45e8f817f2c100b842964d3240f31aa8

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
Signature9MHu/u00NWEp6+74ggmVy8eMIrh9pfsPCps97BHbJvBeCnffnJWk8sIe/hhV9J7FuMaw3+dSQ/b2Ddmw/TI6Ag==
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

2026-09-17T11:15:20.458282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042851
observed 33fd9f7afc1eb2d66c0d039f2527294f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:20.438644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042851/manifest.json
observed bbed330ea2a936fe623e82a90300635c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:20.419271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042851/publication.md
observed 0a564a67877f3703373535fd7e1461b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:20.399410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042851/publication.txt
observed 5ed1fcf524f8e02305fd49c21771ad8b...
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.