OpenTechnical

OT-2026-000031468

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line 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-2026-000031468) never changes.

Identity and time

Publication numberOT-2026-000031468 · never reused
Internal UUID01a0ae74-87ae-7745-b9b6-f830157fd5a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031468
StatusPUBLIC

Content hashes

Canonical text8783c285fd796795ccfe3886e5ce1af55d735ef698c7ea28006fb1325b1a71a2
Markdowne516b4c461d198fd85e4bf88b412676fe4feea6e8a74eb8234b729666a80ee03
PDF
Publication pagee24f58b4a2ee573c463ed225212ae42908657de8c2c32d03f2a4d5f592a31a64
Manifeste20922f3950208f77be32bde4f33ccee42481e3d284c281ff5bb9a1b9631b85b

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
SignatureQql9DHfAT3N9NE+XfSlCcZjNfZMVIL5ZmDgI7lgTJZd7c/nS9V2JBu3hzNcX8gaUMhufwpKr1NpNjuTzOkHWBw==
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

2026-09-17T11:36:11.961086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031468
observed e24f58b4a2ee573c463ed225212ae429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.941360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031468/manifest.json
observed e20922f3950208f77be32bde4f33ccee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.922468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031468/publication.md
observed e516b4c461d198fd85e4bf88b412676f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.902936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031468/publication.txt
observed 8783c285fd796795ccfe3886e5ce1af5...
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.