OpenTechnical

OT-2026-000087030

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000087030) never changes.

Identity and time

Publication numberOT-2026-000087030 · never reused
Internal UUID01a0ae9a-9f2d-77a1-8f9c-2f8b5ae7a86c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087030
StatusPUBLIC

Content hashes

Canonical text180805d9132416d21bee40521970e055bafb10215601c35e612b2e17d6287528
Markdownd9291ce6c0575b8916a522201cc405e43bb2e4e7ebc2b0fbd492a622e6024d0f
PDF
Publication page0199c573d64f3e4b8fc2e38fa958d5a0b7e7d81b38b488d492e3242933f591dd
Manifest3c2fce98b88dabf77ceebc646d851ed85feb55621748939156fb7acd8b0ca71d

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
Signature+Vx7Gz2lkgho/BCGhc4lbTms0GF8gx/84K7GFy49R656fPezN2+sPMIdopjwRHe9HaI2BJ30UjH+szrmwVyYBQ==
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

2026-09-17T09:51:16.412708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087030
observed 0199c573d64f3e4b8fc2e38fa958d5a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.395435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087030/manifest.json
observed 3c2fce98b88dabf77ceebc646d851ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.379017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087030/publication.md
observed d9291ce6c0575b8916a522201cc405e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.362865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087030/publication.txt
observed 180805d9132416d21bee40521970e055...
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.