OpenTechnical

OT-2026-000042141

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000042141) never changes.

Identity and time

Publication numberOT-2026-000042141 · never reused
Internal UUID01a0ae7a-5d71-7d43-b9fb-e0e22dec20ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042141
StatusPUBLIC

Content hashes

Canonical text5511e84e7e17643c685c2b54e8b6fc5d1954dfeac644f8721bc3d908f2b8dfd7
Markdown164da997c2d593c1374246784768b6491fc2b5ed90ee351156fa8f8aaf53dc76
PDF
Publication pagece47f1a3c3a4688e0146b2bdb4c2cb23aa45da01e8a4baa509f2f1867f85c02c
Manifestbb1a9e7ad00b8b948329877650c4787002ed8bc2b728ec01203073815b2c4397

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
SignatureWO6dESpd16DcIqGAaqKu9yGjRmt7s5rlOkOiWUCONCEGqwm59UqVqYtfLCAXHzI0uvuc8HDFaqeoMEN1/t27BQ==
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

2026-09-17T11:15:41.497561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042141
observed ce47f1a3c3a4688e0146b2bdb4c2cb23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.474289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042141/manifest.json
observed bb1a9e7ad00b8b948329877650c47870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.451421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042141/publication.md
observed 164da997c2d593c1374246784768b649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.427947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042141/publication.txt
observed 5511e84e7e17643c685c2b54e8b6fc5d...
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.