OpenTechnical

OT-2026-000094950

Publication integrity record

Foam pad vacuum gripper, two zone face, single 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-2026-000094950) never changes.

Identity and time

Publication numberOT-2026-000094950 · never reused
Internal UUID01a0ae9f-2def-7362-8ee3-9b11b95f5600 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094950
StatusPUBLIC

Content hashes

Canonical text2aabd38592ce3ef25d98d36576632adcace046466121a9635c9e988981259918
Markdown909558440e96327e9819f83ef450d7fcf580372c574b54cf8e65fe7fea700f3e
PDF
Publication page7e49e821d0a8ed746d33d0ff4000ce571c49225a3542a6d6d20b80bf75a3578f
Manifest8bad98aaf57b708fca85a28ebcee0cd699f28d35ea3fd34cc66d71f38cb28224

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
SignaturexWFLp+TvSxlJb09PqfBSmCEtuCsFMDl8YrmVPb9Hh6w0eA0P6gq6tgQ1Y0ttk5TmxpBmbFtue8fdnxS5r7gDAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:29.303303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094950
observed 7e49e821d0a8ed746d33d0ff4000ce57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:29.286127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094950/manifest.json
observed 8bad98aaf57b708fca85a28ebcee0cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:29.267233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094950/publication.md
observed 909558440e96327e9819f83ef450d7fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:29.247740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094950/publication.txt
observed 2aabd38592ce3ef25d98d36576632adc...
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.