OpenTechnical

OT-2026-000079682

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, vented after set-down

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-2026-000079682) never changes.

Identity and time

Publication numberOT-2026-000079682 · never reused
Internal UUID01a0ae96-4375-7eee-95a6-2ea40062f946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079682
StatusPUBLIC

Content hashes

Canonical textc5d7e9095737b5286b26a6274354b8f6860225f621affd0983852e87f3ac4d1d
Markdown08b66ce6ae6cbe7d600f206b8127a0b7c894a001e2fd0d305bf4bf9f3f1f11ba
PDF
Publication page95a41585387394246951f5bd33fe4b8d91d6594b2544b0ab1764da8ee7b5dc95
Manifest745b685e14c582000df2e80a4f95b295ebbfd1e7424ec353e71b3d5d61c05be1

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
SignatureTdic7Ss0/HqYwWF+sG3VaTn5MS6JJk52iJILWmOwTAlGeKO72fm8w5IzOE4/Lqg0X6TUa22twCVe6Xp5TMQvAA==
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

2026-09-17T10:03:21.804687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079682
observed 95a41585387394246951f5bd33fe4b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:21.777016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079682/manifest.json
observed 745b685e14c582000df2e80a4f95b295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:21.756119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079682/publication.md
observed 08b66ce6ae6cbe7d600f206b8127a0b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:21.726677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079682/publication.txt
observed c5d7e9095737b5286b26a6274354b8f6...
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.