OpenTechnical

OT-2026-000090284

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000090284) never changes.

Identity and time

Publication numberOT-2026-000090284 · never reused
Internal UUID01a0ae9c-4290-75e0-8626-d814ee2df5ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090284
StatusPUBLIC

Content hashes

Canonical text18482d1407791adc00452499fafb90fe455a63d00955ecd33a15df7e39dcb9c7
Markdownab07bdadb7e567671abd1ac53a6e0dcb45b23cc25d5cc18cb0ae633f823d837f
PDF
Publication pagec5b9496e82d074080200cb5a0b46395aa9a72439427b1a265afe422d91a8220a
Manifestd20317e7a1543871afcd9e90a739b08836ee933925b23d1e793ddcfcf37d3899

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
SignatureSr9+k3bS56cG8j79i6v2rXtm4WgFXXleoYs6QG2ZOSwP2d4Ra84MQxhr9QU74Hb4j7xk9BjdrFpHc4xQs8NTCw==
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

2026-09-17T09:46:22.120331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090284
observed c5b9496e82d074080200cb5a0b46395a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:22.104034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090284/manifest.json
observed d20317e7a1543871afcd9e90a739b088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:22.087409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090284/publication.md
observed ab07bdadb7e567671abd1ac53a6e0dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:22.070064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090284/publication.txt
observed 18482d1407791adc00452499fafb90fe...
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.