OpenTechnical

OT-2026-000014034

Publication integrity record

Foam pad vacuum gripper, 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-2026-000014034) never changes.

Identity and time

Publication numberOT-2026-000014034 · never reused
Internal UUID01a0ae6d-8deb-7ab9-a582-4212b3a5da2e · 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-2026-000014034
StatusPUBLIC

Content hashes

Canonical textec070a1f8284454772511079695e518c78c71bd5e7e3ac451652f0fd8e31b00e
Markdowncb1039e3a2d8971773fab384c032b18471774c212dde008fda1677b018cf8a92
PDF
Publication paged937e14c1c24c15e5925df0a6316004d7fc579c701c62fc3cd31ebfd2fcdedca
Manifest5c3b35bfaa69a6b8df9f2f12823eb134dcd1259a4f5fca4260c448cb86c84227

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
SignatureHM8p35MpWIhroCCQZIe4BztOqsP0eK/GReRGcIZmFo6nQNG7O4JWI8KuKmONghzMLwJ0BURtkbTP0LojKGXaCA==
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

2026-09-17T12:09:15.956714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014034
observed d937e14c1c24c15e5925df0a6316004d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.938363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014034/manifest.json
observed 5c3b35bfaa69a6b8df9f2f12823eb134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.920526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014034/publication.md
observed cb1039e3a2d8971773fab384c032b184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.899734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014034/publication.txt
observed ec070a1f8284454772511079695e518c...
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.