OpenTechnical

OT-2026-000095838

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000095838) never changes.

Identity and time

Publication numberOT-2026-000095838 · never reused
Internal UUID01a0ae9f-fac7-7ed7-a85c-05406e02246e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095838
StatusPUBLIC

Content hashes

Canonical textd8493ba0b3b36132721de09a7949be843832f95f1eabbd89aebba04abdc76bcb
Markdown5a0206b665d64becb7768a2b247fe47a0967f68f6fbf50cd3546c44b4e6ef78c
PDF
Publication page4e4a11479e751d2822bb18e30f153887cfd7488d3f4a3336f7f302da2edb7df7
Manifest82c7425000fcbe3204df62a41e2988387b63f843869756ecc0051a5d1e8393fa

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
Signatureg0Yg5tNI2kmy4cpapZGWfxi1T9C7w8xK4TTPmmHGekR1YQ4/zGt2LXLXJxA/EGWap4T+eR6J748oR1dP/e3kCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:55.443225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095838
observed 4e4a11479e751d2822bb18e30f153887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:55.427849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095838/manifest.json
observed 82c7425000fcbe3204df62a41e298838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:55.411618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095838/publication.md
observed 5a0206b665d64becb7768a2b247fe47a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:55.394861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095838/publication.txt
observed d8493ba0b3b36132721de09a7949be84...
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.