OpenTechnical

OT-2026-000087551

Publication integrity record

Three cup vacuum gripper, three zone face, two 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-2026-000087551) never changes.

Identity and time

Publication numberOT-2026-000087551 · never reused
Internal UUID01a0ae9a-cd52-7a95-b006-7ea83796bef8 · 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-2026-000087551
StatusPUBLIC

Content hashes

Canonical text805f0b1077eb575b9caba713b9cda60ff7035ddd14af38abd540184c7ef6f518
Markdowna5e5be78dffeb0556ac46184fc21fd6e8e5c0d2d764487a82a8bd859cc32db37
PDF
Publication pageeeb7964c9ca7f6bae0a2a494687951d9babec6b6ada1e7508a67305b07c842ee
Manifest2a300c90f703228b6f5c5b8fceeddc7a57ec37dd5e8f1667c2fd2cdd5cb5706c

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
SignatureE0cv0SDDmDdz4An+qCOVUlvAHfxbSMVa8+nxvU7YovjfTWvHoWc9Ohpx0QIa6BxXshrIdud1bl0kfmv8whS7CQ==
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

2026-09-17T09:50:53.614243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087551
observed eeb7964c9ca7f6bae0a2a494687951d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.596713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087551/manifest.json
observed 2a300c90f703228b6f5c5b8fceeddc7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.580855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087551/publication.md
observed a5e5be78dffeb0556ac46184fc21fd6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.562859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087551/publication.txt
observed 805f0b1077eb575b9caba713b9cda60f...
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.