OpenTechnical

OT-2026-000033774

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off after set-down

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-2026-000033774) never changes.

Identity and time

Publication numberOT-2026-000033774 · never reused
Internal UUID01a0ae75-a391-7a16-ab17-c6c5d693998c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033774
StatusPUBLIC

Content hashes

Canonical textbf79952100571cab86d13b7eea9c298fe7e310e1a0652f1d09a13c5747840c08
Markdown84cb2b0a2fbd84e9a76b5a1636d8e72497086115eae3a153f0c3afc29adca068
PDF
Publication page3ac4bc944ca0d9cb2f48c594ab9e2336771f343e77441475597a27d521ce89db
Manifestae80fa7e7d7d9f0098189f48e594c8a619371b5212380ac1640d8c690bf04d26

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
Signatureds3zjMY6NGa5pLCR0AgjMW4SdgHQJf7uw9BMXAWYESvsnuHrWF6d5LvfK4KvCvpH02nTjaz/1EyJiC/VLCM8Cg==
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

2026-09-17T11:31:48.560424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033774
observed 3ac4bc944ca0d9cb2f48c594ab9e2336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.543036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033774/manifest.json
observed ae80fa7e7d7d9f0098189f48e594c8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.524085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033774/publication.md
observed 84cb2b0a2fbd84e9a76b5a1636d8e724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.506779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033774/publication.txt
observed bf79952100571cab86d13b7eea9c298f...
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.