OpenTechnical

OT-2026-000030305

Publication integrity record

Six cup vacuum gripper, six 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-2026-000030305) never changes.

Identity and time

Publication numberOT-2026-000030305 · never reused
Internal UUID01a0ae73-e501-77e3-a193-dcce802273f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030305
StatusPUBLIC

Content hashes

Canonical textc9cd590dec632be67ce1cbe0f04498dfee61385470cc89319b7bf3bceed8095b
Markdown18decd5626869c50052af21a13bc347a38a42b16876f0640fd52ac4cb59b2b74
PDF
Publication page0149704e31d47b6ee7f1977a1e38b43f59ba0f8d771a144955f36af113a9200a
Manifestd54d171a9950d87229968528139b7b375f9c2b58c24c4960f2a384b03837f7aa

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
SignatureV8U9heIMbLMGs+WPxXct4hfAmJruM4FZhDghqewtxhbBVQ0u6FEAzqSHqJj+53GQEpv+67/ojmCM/Hjm+yoiDw==
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

2026-09-17T11:38:00.413158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030305
observed 0149704e31d47b6ee7f1977a1e38b43f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:00.395510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030305/manifest.json
observed d54d171a9950d87229968528139b7b37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:00.378111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030305/publication.md
observed 18decd5626869c50052af21a13bc347a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:00.360813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030305/publication.txt
observed c9cd590dec632be67ce1cbe0f04498df...
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.