OpenTechnical

OT-2026-000087423

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, 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-2026-000087423) never changes.

Identity and time

Publication numberOT-2026-000087423 · never reused
Internal UUID01a0ae9a-cd50-7687-b2b3-3565f96b4025 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087423
StatusPUBLIC

Content hashes

Canonical text94cdc5c3610bea08865cc4f46bb473165bfbbb2337f8e69fb19e3108d7ea6194
Markdown01fe40b0aabfe59f33b48d28d31ccd71a8f47662ac900077c208cd111ba894b1
PDF
Publication pageab389daecfc8ed0e089ebe210cf45587f9c8318272ebd6837524a142a162bfa3
Manifestfd9fe0aa2054e07c20d4b404c6551b7eabaed769ef465ed1c49a1807f7264101

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
Signature0BXWwBziNsNLvVld0Nt8mXxJvhkSPOX09dvzyyCFTbNBTkKnLftgpLf944ZaObVoSU+D0VACJNJqkWCiCVbzAw==
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

2026-09-17T09:50:44.577815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087423
observed ab389daecfc8ed0e089ebe210cf45587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.559136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087423/manifest.json
observed fd9fe0aa2054e07c20d4b404c6551b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.542553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087423/publication.md
observed 01fe40b0aabfe59f33b48d28d31ccd71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.526007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087423/publication.txt
observed 94cdc5c3610bea08865cc4f46bb47316...
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.