OpenTechnical

OT-2026-000033721

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, pulsed blow-off 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-2026-000033721) never changes.

Identity and time

Publication numberOT-2026-000033721 · never reused
Internal UUID01a0ae75-a390-79da-84dc-3f3732b89066 · 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-2026-000033721
StatusPUBLIC

Content hashes

Canonical text52b89f0686f2831d2aeed30b7a630262405c358d5546b49afa7ccd80d95cba86
Markdowna1b0a37cfce9590eb1002bb13894254703f2e28cf2665be34352fe87ac186ebb
PDF
Publication pageaae4bceea5cb3a808b35c9d56e7d8aa8dbc6715be7774692cc40a77314397034
Manifestd6548ab7cdd7230fae65dda63fc1a94c576ac39aace8adf788314b5d1b999539

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
Signature/NwVraRh17onrFLL7trIRspVuwmBwp9KglzO5K5pSn/Zh2DL1TgsR6IACbvNMuROL9IuAAeolRo94nKFD2GeBg==
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

2026-09-17T11:31:43.388282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033721
observed aae4bceea5cb3a808b35c9d56e7d8aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.367709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033721/manifest.json
observed d6548ab7cdd7230fae65dda63fc1a94c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.350770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033721/publication.md
observed a1b0a37cfce9590eb1002bb138942547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.333737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033721/publication.txt
observed 52b89f0686f2831d2aeed30b7a630262...
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.