OpenTechnical

OT-2026-000017779

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000017779) never changes.

Identity and time

Publication numberOT-2026-000017779 · never reused
Internal UUID01a0ae6e-96fa-7dec-9870-2c251e9c3c2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017779
StatusPUBLIC

Content hashes

Canonical textab58c37296a1359fe2713d0fc19663c6adf02c151f385c901a1b6b084a86f507
Markdown424537052fb54666f815cdd4160ed93a7785ed6618f713cb6b4e32c66b7beabc
PDF
Publication page5a7afeea72c4218b9f415ad2c769a4faaed774f94fc36542695258f0f327622b
Manifest4efeb4132e9b47c8654a513bf58baff133e551b5880969524b1544e46a5bbf5e

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
SignatureJ5QiZWz+OKxSCeEBet3kNGCyanItpxp5UhGPqAdtHigppYS+V6pjBpROEEszAJXGDYjHoWnSZorfcROzfo+mAQ==
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

2026-09-17T12:01:44.338720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017779
observed 5a7afeea72c4218b9f415ad2c769a4fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.322555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017779/manifest.json
observed 4efeb4132e9b47c8654a513bf58baff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.304863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017779/publication.md
observed 424537052fb54666f815cdd4160ed93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.288639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017779/publication.txt
observed ab58c37296a1359fe2713d0fc19663c6...
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.