OpenTechnical

OT-2026-000022233

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000022233) never changes.

Identity and time

Publication numberOT-2026-000022233 · never reused
Internal UUID01a0ae6f-f4fc-7521-bb8d-c11fe3411463 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022233
StatusPUBLIC

Content hashes

Canonical textf29b023636a17af702588af429849da1066ef1947d09125465a126252eb11e8c
Markdown4ff18e08520087f9b8f059f713390971ba09c0d98f5a9ffcfb849fff1624d0e5
PDF
Publication pageb4d6c73fd3d977c3bc0a47f68b860714e981be746716283ff7a88c25c8d3f6ca
Manifest969d0d6b2e3d9dd3a6f10f5d5f9eb38e96d5cb97ccfcf40fe2e8dda492f61f61

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
Signature9zmzaTrP7PEqMBH8AEmPFsmAJZz92ZaMTF80n9BMYZteeTWWOGC18CIeWWEn/DilnTX6eXH3jOJRGthv6fVJAA==
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

2026-09-17T11:52:55.535812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022233
observed b4d6c73fd3d977c3bc0a47f68b860714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.519302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022233/manifest.json
observed 969d0d6b2e3d9dd3a6f10f5d5f9eb38e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.500997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022233/publication.md
observed 4ff18e08520087f9b8f059f713390971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.476654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022233/publication.txt
observed f29b023636a17af702588af429849da1...
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.