OpenTechnical

OT-2026-000064512

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000064512) never changes.

Identity and time

Publication numberOT-2026-000064512 · never reused
Internal UUID01a0ae8d-a461-7862-9d4d-141c92979ae8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064512
StatusPUBLIC

Content hashes

Canonical text42f3feab397064e7e23a2e8684c50f4ca02fd0660a49d91ee2c65677c74b4781
Markdown88891491c92c2ee45a63b241bbcfd6b817de0eb7db2a468ad1d6745aacd5f142
PDF
Publication page42c827cd69856633e4554a73f893b74d99b953ba0f325e22ebb3eeed1dff7139
Manifestdaffe2732f639bdc3bda0f23a872c7369d0076fbbe757166f4d2ecf5ba14f3a9

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
Signature21h2fjIxwBwdIG17ICh+PPXD8g+hQW7b6hcVKK469roJNufd9kcwfHIKCr4GTQeOQYMxidH+LMZHQfzVQfxXCg==
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

2026-09-17T10:36:43.337291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064512
observed 42c827cd69856633e4554a73f893b74d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.320000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064512/manifest.json
observed daffe2732f639bdc3bda0f23a872c736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.301299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064512/publication.md
observed 88891491c92c2ee45a63b241bbcfd6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.284609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064512/publication.txt
observed 42f3feab397064e7e23a2e8684c50f4c...
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.