OpenTechnical

OT-2026-000090580

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained 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-2026-000090580) never changes.

Identity and time

Publication numberOT-2026-000090580 · never reused
Internal UUID01a0ae9c-7f2f-7e2f-95bc-207cfb387249 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090580
StatusPUBLIC

Content hashes

Canonical textfb7f3858be859631d825ee045985d24e33464e9d2984b18224e8c7732dd68808
Markdown502d5d0feddc395f4e1509f44ac02524cf1b94f5527c0464bf9f3130e81c1338
PDF
Publication page1db28c263ea74dd58d382490d1635f01783f5d82a00fd6b7a343d5f106d0c827
Manifest4777222e9816fea9ef275a192b75f4fd7a44656e136e47b4f35eed66c6a0094b

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
SignaturegOk4ylknMQ4oRd+JBEsqBSZf67OFYJVW5poY2ivg4/fi5XZ+VwhMKnrTklLjKqu76gP4frploZxkm3nVg9VJBQ==
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

2026-09-17T09:44:45.580377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090580
observed 1db28c263ea74dd58d382490d1635f01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:45.561449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090580/manifest.json
observed 4777222e9816fea9ef275a192b75f4fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:45.544309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090580/publication.md
observed 502d5d0feddc395f4e1509f44ac02524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:45.527538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090580/publication.txt
observed fb7f3858be859631d825ee045985d24e...
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.