OpenTechnical

OT-2026-000076031

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000076031) never changes.

Identity and time

Publication numberOT-2026-000076031 · never reused
Internal UUID01a0ae94-2a00-7210-a523-8d24072685fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076031
StatusPUBLIC

Content hashes

Canonical text859548da9f1558c1fb3d001a8f440bfbb928f320f8390fe4f6df1e19ca5c334d
Markdown6c7609726cf6f35fd6c36eb0fc9919567a601bcc83b4d5283078121be4d45381
PDF
Publication page0f0fafd3a7a01eeac6e84fbf8003195470eb117cc5e4c8adf27bf7765a4cc958
Manifest39735fad3e42502ea057e7a25637c3e6644cac3899efe25dd7c858c84764916b

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
SignaturemVtUXtwiOqWzfKcgFYVUsK+zNJDeltGeWPi6xAizXyK0Gx/F/Zuf1QT6B0GG5RT6F2V7Tpw84Hot/w3NStveDA==
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

2026-09-17T10:20:17.351529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076031
observed 0f0fafd3a7a01eeac6e84fbf80031954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.334034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076031/manifest.json
observed 39735fad3e42502ea057e7a25637c3e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.313386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076031/publication.md
observed 6c7609726cf6f35fd6c36eb0fc991956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.288341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076031/publication.txt
observed 859548da9f1558c1fb3d001a8f440bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:14.515444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076031
observed 0f0fafd3a7a01eeac6e84fbf80031954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:14.499450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076031/manifest.json
observed 39735fad3e42502ea057e7a25637c3e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:14.483475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076031/publication.md
observed 6c7609726cf6f35fd6c36eb0fc991956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:14.466043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076031/publication.txt
observed 859548da9f1558c1fb3d001a8f440bfb...
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.