OpenTechnical

OT-2026-000009992

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, sustained blow-off after 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-2026-000009992) never changes.

Identity and time

Publication numberOT-2026-000009992 · never reused
Internal UUID01a0ae6b-cb79-7abd-8626-34bac116983a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009992
StatusPUBLIC

Content hashes

Canonical texta7b3095a1abb680abdc4994ec6d8131fda9c7af0570926ccd2a733418aa958ec
Markdownb7585b6347359c4b25239ff0661fc267ec67dda0e4e1a4f9d36ed56160f4a1bb
PDF
Publication page56c8a31f1cd71df83a137cdb918fa66b392c4f774297c464c0dd4f231ba35cda
Manifest4d8b9b1237663f1484d0081c8fe2bcb464e4a2993657a8f10d33d50404858da4

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
SignatureAXqnYY/KYPsB+a03uykv8COaHOJk1E+Ks8rIQO7wgHJDODz+FdlDA57SrzNztHm2A0DvcN5xYRbUwA2ViBcbCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:16:02.407836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009992
observed 56c8a31f1cd71df83a137cdb918fa66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.386971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009992/manifest.json
observed 4d8b9b1237663f1484d0081c8fe2bcb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.367081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009992/publication.md
observed b7585b6347359c4b25239ff0661fc267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.346207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009992/publication.txt
observed a7b3095a1abb680abdc4994ec6d8131f...
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.