OpenTechnical

OT-2026-000088116

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000088116) never changes.

Identity and time

Publication numberOT-2026-000088116 · never reused
Internal UUID01a0ae9b-1aa7-7b95-aa09-fef98564344c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088116
StatusPUBLIC

Content hashes

Canonical text03c59dc169272323d9c3c92005e2ffdec2779720a5a9887344d3f90dccf0ba38
Markdown2d8a4e39e6864438aadc7d397ddd70366941d76cab26c84841b8de8e04aa108e
PDF
Publication page62aa00f54e2e19f8eb8e45d37add86f62e54afd05a70ae480d278e9831d876f3
Manifestb8cd513b066df40ed6ca9a4b3fd072cdf88a36c3775114e6757f33057650eea7

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
Signature3WRrWHb68qN/Dg4EV00FMHl1V9ZrMYmuDy6BJqJxuod4hGsJTyJQ5EvM6rQ+iKC4mRFoRvVHI5EpT/4AMB3yBw==
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

2026-09-17T09:49:06.981732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088116
observed 62aa00f54e2e19f8eb8e45d37add86f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:06.960510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088116/manifest.json
observed b8cd513b066df40ed6ca9a4b3fd072cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:06.940553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088116/publication.md
observed 2d8a4e39e6864438aadc7d397ddd7036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:06.919333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088116/publication.txt
observed 03c59dc169272323d9c3c92005e2ffde...
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.