OpenTechnical

OT-2026-000033485

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, pulsed blow-off 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-2026-000033485) never changes.

Identity and time

Publication numberOT-2026-000033485 · never reused
Internal UUID01a0ae75-a38e-7595-b5e7-6f99ce2b652c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033485
StatusPUBLIC

Content hashes

Canonical text33c1e68949b633a88f4b2040e71e9802392c337aa74814ea1ee8d18728688810
Markdown4668cbb7a0a59cb28174b335e3a4d609c1ce28997b7499ea5d659bc053291979
PDF
Publication page6562cfb83eaf1ccf6f0befe40a98295417ea07173a00348d848c06236fdd1600
Manifest5dbb939143ef9bf770e2c34b5b219248493bcb534a9bea4b75a651f3fe50d90a

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
Signaturej12PzPhtfd4lNpw+Hnc3OQLYiUYsHarysLkZNCbwaYyalURZ9vr0WSD5MbRmqLESx7FRW4NMtctT+hvl2LzmBA==
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

2026-09-17T11:31:19.818390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033485
observed 6562cfb83eaf1ccf6f0befe40a982954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.800346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033485/manifest.json
observed 5dbb939143ef9bf770e2c34b5b219248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.782826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033485/publication.md
observed 4668cbb7a0a59cb28174b335e3a4d609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.765819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033485/publication.txt
observed 33c1e68949b633a88f4b2040e71e9802...
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.