OpenTechnical

OT-2026-000094220

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000094220) never changes.

Identity and time

Publication numberOT-2026-000094220 · never reused
Internal UUID01a0ae9e-92cc-7949-92a5-10cefca6c3c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094220
StatusPUBLIC

Content hashes

Canonical text423df87aa4a56c28bbee7d1aba96919e642e84e96f51e0356715f08ce228e761
Markdown5717c044f39548087e9c5377351446f906dfeec989df5190be144a6d571bf038
PDF
Publication page21c15d2ebd4f424ae91a0b740b129fc030bff9ae7e62650080c8266d0c7bb723
Manifest5539a6fb050d9a1bad684339254fb556e527c8feb827db30ee8dc521355f771c

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
Signature5n7/dGzXp+h9+LbW0sLotl8mFedE061uvM5jGAlePZEjk6TKQawSVtYuani3ibwih8LWpBcJu2Un7kJoXA+bDQ==
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

2026-09-17T09:38:41.748375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094220
observed 21c15d2ebd4f424ae91a0b740b129fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:41.733441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094220/manifest.json
observed 5539a6fb050d9a1bad684339254fb556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:41.715757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094220/publication.md
observed 5717c044f39548087e9c5377351446f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:41.698803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094220/publication.txt
observed 423df87aa4a56c28bbee7d1aba96919e...
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.