OpenTechnical

OT-2026-000033684

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000033684) never changes.

Identity and time

Publication numberOT-2026-000033684 · never reused
Internal UUID01a0ae75-a390-7186-b751-06ba662379cc · 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-2026-000033684
StatusPUBLIC

Content hashes

Canonical text301c0c888f9c8444bef9ccf76eb5b5aafee479b0c25a9841345ffb8102bee80e
Markdown9d2c7f65e9bf391d209b28b0a4669ce3ac69735a567e880177039dbd20590b61
PDF
Publication page016fc117115fc5c1aa56954c949537882da0a2352b2f8ab169b32c8750e1e650
Manifeste4399bbf3e8b41b86bd82b982e9627ace1bd75cc790a4a4d0f25dd146739ccd1

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
SignaturemcWspBY1esymed/H7sm056xyJCZI52+8dkqh1FWnUnm8WiDRpjSJrGlCXoKYyOLru6e17DifJBmqbScop5uEBg==
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

2026-09-17T11:31:40.597079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033684
observed 016fc117115fc5c1aa56954c94953788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.578796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033684/manifest.json
observed e4399bbf3e8b41b86bd82b982e9627ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.559322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033684/publication.md
observed 9d2c7f65e9bf391d209b28b0a4669ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.541495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033684/publication.txt
observed 301c0c888f9c8444bef9ccf76eb5b5aa...
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.