OpenTechnical

OT-2026-000065850

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000065850) never changes.

Identity and time

Publication numberOT-2026-000065850 · never reused
Internal UUID01a0ae8e-46fc-7666-833d-887cbeb55edc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065850
StatusPUBLIC

Content hashes

Canonical text0cfd28c01e8be8e06817f34cc788ba2b29ced3b5b72c44fbc2d5acd7fef74331
Markdownbc9a88718880c552239f9ff6af23e756e56b2519d226949ddf4ae0be9809230f
PDF
Publication page20dd548c0a0f55ef636ee2ee540ac37a712967fc75a2048c3150d87c99dd848e
Manifest338dfa34c81ccb58c3ff5ecfd6c34be3adb9222a28564eb7ba197dc2ee6c3d2f

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
SignatureoxyMxXqGuo0c6AJrOzr1IhbFdxM9O3jGECt7sHWFX1yIjKpvLWQCmXxbHATClHm6+YgdfWLxMgF2gK17AemhAQ==
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

2026-09-17T10:34:18.404860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065850
observed 20dd548c0a0f55ef636ee2ee540ac37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:18.388133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065850/manifest.json
observed 338dfa34c81ccb58c3ff5ecfd6c34be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:18.370343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065850/publication.md
observed bc9a88718880c552239f9ff6af23e756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:18.353781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065850/publication.txt
observed 0cfd28c01e8be8e06817f34cc788ba2b...
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.