OpenTechnical

OT-2026-000027527

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pulsed blow-off before 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-2026-000027527) never changes.

Identity and time

Publication numberOT-2026-000027527 · never reused
Internal UUID01a0ae72-6998-7675-9b52-f060f32640bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027527
StatusPUBLIC

Content hashes

Canonical textf9509974e569bbbca0082e89aa57c256a9cc106c9579a5f08061d51b4e8941b3
Markdown9f3b81df07f4c0d465d855693ae541f14fdef7f1d1c6dd5c0ba98468abf89d4c
PDF
Publication page4e90e7d867994fb1c8211daae16f704bf457a19270954a940dc1644ed2bd149f
Manifestef2c7facf983328ee56525fcff6edbd89b98b3362e386d158c8f5585412b3b9d

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
SignatureQKGIjXaYsevs5QtEWdYgpfmtaaZ6+/DyfN594a9yINLW3Cz7MOUj2l8CQAUxoG+JlM6ioW/slZvnzOe2PMoEBw==
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

2026-09-17T11:43:00.509122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027527
observed 4e90e7d867994fb1c8211daae16f704b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.490602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027527/manifest.json
observed ef2c7facf983328ee56525fcff6edbd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.473137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027527/publication.md
observed 9f3b81df07f4c0d465d855693ae541f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.456612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027527/publication.txt
observed f9509974e569bbbca0082e89aa57c256...
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.