OpenTechnical

OT-2026-000069953

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, 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-2026-000069953) never changes.

Identity and time

Publication numberOT-2026-000069953 · never reused
Internal UUID01a0ae91-1860-7c97-885c-64aa26388086 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069953
StatusPUBLIC

Content hashes

Canonical textf430f60fc66d35f37c721a5a543df711326db785ce62d600387798dded19e235
Markdowna11431266a5f36ed421b621d1d2399d3cc78b12830d2d646e9e47850e381abd6
PDF
Publication page7e54531f36c1dd5e848e6e1275b78eab82babded1d492ede4ce923af0643f2a4
Manifestadf0ff9ae3926a3ef20969b5ce4d59ddcdb782433a5b1865c933b1513ffdf702

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
Signaturekye/bMc0ij17irgfG7A//dl0AG2ORtdZXley84t9P5w5YtlqBuwaoPsv7o0v61qJgPZPtQKzsu5oqvFZ5oZDDA==
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

2026-09-17T10:26:53.626859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069953
observed 7e54531f36c1dd5e848e6e1275b78eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.610204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069953/manifest.json
observed adf0ff9ae3926a3ef20969b5ce4d59dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.592204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069953/publication.md
observed a11431266a5f36ed421b621d1d2399d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.573146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069953/publication.txt
observed f430f60fc66d35f37c721a5a543df711...
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.