OpenTechnical

OT-2026-000032005

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, pulsed 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-2026-000032005) never changes.

Identity and time

Publication numberOT-2026-000032005 · never reused
Internal UUID01a0ae74-bad3-7ec8-887f-24e1d6abb316 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032005
StatusPUBLIC

Content hashes

Canonical text6e19b7e6fa4d18daae4e1248aed9d39ee46f7affbdcd3999f864026e9057cac6
Markdown0fd7af67e3fc2ca60f064d43f73dd4cfe424648637bf9079e8a00b25c88c8733
PDF
Publication page38763e7ae64e3203d677d0cebef0a710ebccb0d1bc3686cc8f0f7c102b053d8b
Manifest0113e966f0b604ece8bbbef8fd355b1d3ccc25b99949cabcbe08aa2f17b239ac

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
Signaturemw5F35kbgZ+lR45rxcLltgCR+TUD4KDxvYCvVeP21LG8OLUM1Hx+pG/Bbr8d8BxnFHXIn6sDCHInxV6eP8lpBg==
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

2026-09-17T11:35:24.427397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032005
observed 38763e7ae64e3203d677d0cebef0a710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:24.407675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032005/manifest.json
observed 0113e966f0b604ece8bbbef8fd355b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:24.384357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032005/publication.md
observed 0fd7af67e3fc2ca60f064d43f73dd4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:24.366220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032005/publication.txt
observed 6e19b7e6fa4d18daae4e1248aed9d39e...
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.