OpenTechnical

OT-2026-000064758

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000064758) never changes.

Identity and time

Publication numberOT-2026-000064758 · never reused
Internal UUID01a0ae8d-deba-7f32-8160-a6d79b46c5b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064758
StatusPUBLIC

Content hashes

Canonical text3edf63e8e99abf5c7099a84f56942b13056573c01d023bc04574f92fe39bf45f
Markdownad1de7d07052f3f0ef514d6e8aa7e74a3a794a9c9efda704de0ac741236edd5a
PDF
Publication page13937ae8aa20b6ac511d901b10859105a51416e18aa97ca1a230d0ee4245466d
Manifestded71cad9e1dfb9403979ec3438e1c3860f8fba31998108742be01b61c579f9d

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
Signaturer6OdrN3+dQw7uZndafXVOJom1qfPF05GL7oLGgToKi2Wl6fRg8B7Jsdlfpkl/cE99pf4LYM+trx3dib28qe/Ag==
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

2026-09-17T10:35:38.576677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064758
observed 13937ae8aa20b6ac511d901b10859105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:38.558718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064758/manifest.json
observed ded71cad9e1dfb9403979ec3438e1c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:38.541425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064758/publication.md
observed ad1de7d07052f3f0ef514d6e8aa7e74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:38.524309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064758/publication.txt
observed 3edf63e8e99abf5c7099a84f56942b13...
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.