OpenTechnical

OT-2026-000025915

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000025915) never changes.

Identity and time

Publication numberOT-2026-000025915 · never reused
Internal UUID01a0ae71-a83f-7526-a9da-75142fb79ea3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025915
StatusPUBLIC

Content hashes

Canonical text01b8951a31e2661f8e816fe7798f96bcdedf875f55e824751742a59ad151aa4f
Markdown166a61b355c9d4ffd380b3d3c5a5ec54d91b26409819c8e82022e61203c5e569
PDF
Publication pagef864ad399f9ab91d8a43fcb8cf0f39e74a0cc3418a614a75c7ddf5dce7e61ebb
Manifestaab5601de58e3046e5e31438202bac1730bc9fd37029b2736587fc48cd41bc2a

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
Signature/Uarr5TNM/X+U8pJ3kjrE7LWcuWq4QrP3qyiJd9SRylMhRCnkAbXxqI7nd+A+qiORkStT1mKBzpLS1+j80R3Bg==
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

2026-09-17T11:46:16.044213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025915
observed f864ad399f9ab91d8a43fcb8cf0f39e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.026939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025915/manifest.json
observed aab5601de58e3046e5e31438202bac17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:16.007367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025915/publication.md
observed 166a61b355c9d4ffd380b3d3c5a5ec54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.989169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025915/publication.txt
observed 01b8951a31e2661f8e816fe7798f96bc...
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.