OpenTechnical

OT-2026-000013186

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000013186) never changes.

Identity and time

Publication numberOT-2026-000013186 · never reused
Internal UUID01a0ae6d-6fc8-7117-8ec3-dfb27946f4d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013186
StatusPUBLIC

Content hashes

Canonical text610f69e8c0fa68d0da61f22cc8bec42e421bb0faebcc0a7b5c162a9513273bcc
Markdownc2832af71185e381aabdff70d6f7962b5d777befa42b69c2f1a6937b2a244a25
PDF
Publication page1ba0c724f6a910cd316904ac5e01ec0db977ad4a98bd425d3e55963c1fc62598
Manifest77a26310afc0e139f7199fd917a472a645e5a7d424ef152026d0e51209b8f32e

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
Signature9P4GhE8rQuP7ocFxCjx2QCqPsLmK6qvofN4EqEq74KTqFKHlvwXkZrVJ+Pi5fRDuTRiph7mibCa53ZxlCG93DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:33.978267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013186
observed 1ba0c724f6a910cd316904ac5e01ec0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.962179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013186/manifest.json
observed 77a26310afc0e139f7199fd917a472a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.945324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013186/publication.md
observed c2832af71185e381aabdff70d6f7962b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.927815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013186/publication.txt
observed 610f69e8c0fa68d0da61f22cc8bec42e...
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.