OpenTechnical

OT-2026-000067081

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000067081) never changes.

Identity and time

Publication numberOT-2026-000067081 · never reused
Internal UUID01a0ae8f-14fe-7d74-a157-3ad9c6bf9a5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067081
StatusPUBLIC

Content hashes

Canonical textf4bba0eabae1ffebce32fd27e912900151bd4024aa70e8339f6e1c268526b2b8
Markdown24d7a01f881f9d2947b482e57cd9423316ae6ea88fe26a76e1deead4c5621a9c
PDF
Publication pagea90f7b39ba60daa2b26c1843d48584dac9d505f0cd354f1515de05391d4a0e31
Manifeste80fe91e0f5f1738d331458c681e69f6f532fbe02b62bd1a13b47935e2fe4eca

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
SignaturegGdzGvxLvbnDTipmJAY7HIn5T99Eq/Cip+B8QlaRJD/AAxI51hKtkm0G8Bl7fKNcJDzXLI4yPcUj3se/jI9mBg==
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

2026-09-17T10:32:20.650627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067081
observed a90f7b39ba60daa2b26c1843d48584da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.632374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067081/manifest.json
observed e80fe91e0f5f1738d331458c681e69f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.612890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067081/publication.md
observed 24d7a01f881f9d2947b482e57cd94233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.593691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067081/publication.txt
observed f4bba0eabae1ffebce32fd27e9129001...
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.