OpenTechnical

OT-2026-000067199

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000067199) never changes.

Identity and time

Publication numberOT-2026-000067199 · never reused
Internal UUID01a0ae8f-14ff-74c6-99bd-a394d097f971 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067199
StatusPUBLIC

Content hashes

Canonical texte5e767340a78788477ad034afe280b4442bf61d0fdef912819abe450288b4db3
Markdown9973d8389bce4b91677a2afffc6393a39fca1b934f7fc1e2b82e2eb776dda1de
PDF
Publication page3b749250e1220ae0171957c04972dfd12bd8f7efc5cd0ec780dbfb284cbbb035
Manifestca41ca9edc875dddc35189fd9918c4d3b8fdc61f963be2e28cd6171c53d09671

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
SignatureIjI4SHd4jltajd0gK5f9LStjeWry7rGXkMak4IJDvbmOFCSgPDN9pXH+OgIYLgNkoh/xv9tQwf7K0xEIkn2dCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:29.208961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067199
observed 3b749250e1220ae0171957c04972dfd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:29.191778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067199/manifest.json
observed ca41ca9edc875dddc35189fd9918c4d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:29.174687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067199/publication.md
observed 9973d8389bce4b91677a2afffc6393a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:29.157779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067199/publication.txt
observed e5e767340a78788477ad034afe280b44...
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.