OpenTechnical

OT-2026-000013800

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000013800) never changes.

Identity and time

Publication numberOT-2026-000013800 · never reused
Internal UUID01a0ae6d-8de9-7da6-9bc8-95931d4dd22f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013800
StatusPUBLIC

Content hashes

Canonical text1af2d269f6e5fc90f2f08a75c545121ea7eefa566c2287b06c577c4b01c353f6
Markdown52fe99d427a6b3a019194dbe2977b1bd33e7987549721138103778b8876e87b6
PDF
Publication page373b01cdb88b53c784bff26b90d51d0e01208b8b611f11b32cd74064ae234b2a
Manifest69d7724949ed752c683207768f8589d765d9c42d2ce52cff4f50ac63f4764281

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
Signature11H4aLZbuhdzoRyvTLLvvQK9jdigHaEJ7hosOb5oVZsG1hKx3wQkm6rHaTTYPTwK3OsQTZww/KEAYfKQIma2Bg==
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

2026-09-17T12:08:53.501518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013800
observed 373b01cdb88b53c784bff26b90d51d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.480967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013800/manifest.json
observed 69d7724949ed752c683207768f8589d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.462090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013800/publication.md
observed 52fe99d427a6b3a019194dbe2977b1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.422349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013800/publication.txt
observed 1af2d269f6e5fc90f2f08a75c545121e...
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.