OpenTechnical

OT-2026-000068132

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000068132) never changes.

Identity and time

Publication numberOT-2026-000068132 · never reused
Internal UUID01a0ae8f-c4ff-793f-ac05-dead15b1baa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068132
StatusPUBLIC

Content hashes

Canonical textbcf5441a1e4cf3d2ba302d424677e4bcb1a59b91704b9f41655a398f4426efa2
Markdowncf9a3408192b1b9ec9b80d95f8aa0f971ad38acd83f5cb9db7457f74fb4f81d3
PDF
Publication page674afb432ce85097af320b4d541e516d6786f29c2f10edd9c94705c26855d446
Manifestf7514a2167b8613861a7706a7b95954f7e80421d1e0b2939162b9c085ebc0e62

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
SignatureuXJwYO017qS0cUHpBnlpfrioKkV5HIvy/1+pLXkL16SztjD9avhiAKlH1copNtaW9+lIDfP2lSE28jttcu54AA==
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

2026-09-17T10:30:46.414513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068132
observed 674afb432ce85097af320b4d541e516d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.397792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068132/manifest.json
observed f7514a2167b8613861a7706a7b95954f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.380632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068132/publication.md
observed cf9a3408192b1b9ec9b80d95f8aa0f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.363296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068132/publication.txt
observed bcf5441a1e4cf3d2ba302d424677e4bc...
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.