OpenTechnical

OT-2026-000083523

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, sustained 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-2026-000083523) never changes.

Identity and time

Publication numberOT-2026-000083523 · never reused
Internal UUID01a0ae98-0415-73ab-bcf5-4db35c938019 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083523
StatusPUBLIC

Content hashes

Canonical text8f2de1a9ab849833c6675d4372d54da66f72fa743ea9f59e209a6bf608e3e1b8
Markdown677678e0fd741c6fe006f063a2704124078019af36e643d35c94fd66c8b8b159
PDF
Publication page6d006911b3f3001ebd48a70f3da5d2a6c7df556042781a4c15335dfe86517f69
Manifestd90d3c8547347751d407353f1601c774c246dbcd1fede1c7e7938cc9a8dc7e1b

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
SignaturegGDspmIQqiiVdZJvKbjBnfAE/ERS82ukxE6UbL98n9R0h3/eJ/BUHaLc6LckxrBEKfnDFIvTbNKIZ/V9GelpDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:30.288824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083523
observed 6d006911b3f3001ebd48a70f3da5d2a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.271596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083523/manifest.json
observed d90d3c8547347751d407353f1601c774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.253909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083523/publication.md
observed 677678e0fd741c6fe006f063a2704124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.236928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083523/publication.txt
observed 8f2de1a9ab849833c6675d4372d54da6...
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.