OpenTechnical

OT-2026-000048468

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000048468) never changes.

Identity and time

Publication numberOT-2026-000048468 · never reused
Internal UUID01a0ae80-4de5-7baa-9ac7-7b952e400e89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048468
StatusPUBLIC

Content hashes

Canonical texta7ad8afcbdc968e6d5a22f9766ca7160998ac551915c4ac6b8f8bc6dd0e82196
Markdownbb96335527d1e75eec03a98c8185693917f3e0bf038aeb507c9ba8cfea8dabee
PDF
Publication page7b7d1d48baea305fbebac01c4229d181391ad1afd7c6f8b025c7e1a9a66c755a
Manifest78f03cf514d7bb3e1b6fbdc12743253257f6aa3159853308301bcca737bc30b2

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
SignatureUsF4DQIv4n2y0lN/km302zEH3gBwYgSGAcu5zXKEuhKZAn0YbO1iKS/05JccYtyxfo+F3PpYQQO7ZiRE222DAg==
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

2026-09-17T11:05:07.831513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048468
observed 7b7d1d48baea305fbebac01c4229d181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.811427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048468/manifest.json
observed 78f03cf514d7bb3e1b6fbdc127432532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.791202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048468/publication.md
observed bb96335527d1e75eec03a98c81856939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:07.769950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048468/publication.txt
observed a7ad8afcbdc968e6d5a22f9766ca7160...
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.