OpenTechnical

OT-2026-000064263

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000064263) never changes.

Identity and time

Publication numberOT-2026-000064263 · never reused
Internal UUID01a0ae8d-a460-7c9c-8624-52f8aa8a5adb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064263
StatusPUBLIC

Content hashes

Canonical textf3c9fbecb44d3b47e8f5769a063354e3dcfafc7cebe8312d4a883629076366ae
Markdown934c8d547408afd3e9392142d53e22a8db09e7753b604b59ab78045bbdfc0f90
PDF
Publication pageef5a7b32018d8859774d1fbe2cccc7cccfaeb60f6da7402805fa550f7cb875d1
Manifest197087461fdc712a93ce3dc78d44db1972b89f6ab5c9af0306f4b1adc4405f0c

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
Signaturea1xIpGo7jokG1kOWywGZSjAmwQpM29Gzr9qrTaVLdOcmwT3hVjoirTahVPN5Za2tH57D/3OxFPh7AVzBSkFaCA==
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

2026-09-17T10:36:23.907488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064263
observed ef5a7b32018d8859774d1fbe2cccc7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:23.890571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064263/manifest.json
observed 197087461fdc712a93ce3dc78d44db19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:23.872020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064263/publication.md
observed 934c8d547408afd3e9392142d53e22a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:23.853763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064263/publication.txt
observed f3c9fbecb44d3b47e8f5769a063354e3...
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.