OpenTechnical

OT-2026-000039829

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000039829) never changes.

Identity and time

Publication numberOT-2026-000039829 · never reused
Internal UUID01a0ae78-d8d6-711f-8e50-61c1ac2bf736 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039829
StatusPUBLIC

Content hashes

Canonical text321452f88a9ba12a860cf026b8db07e64508996a732e7a193359c7b3a63b32b5
Markdownc6a32996db719011b6e0f271c6ab48f22a01bc83cf870dff10e3f29aaaef677b
PDF
Publication page41da112b275476d1f0ad700c75033336c43ba00fe6d02659ea9802d229d2cc20
Manifesteca0bda3156716201dbf6321e22a1b9cb7946505f1ec3822853ce172e56dc570

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
Signature880CpU+iiyYlY56ejLMAayPS/Fjwmo434BlP1qZNJG9dAw8woReuLBph+4NFnsv+XkCC2pKPI2G3cWTHrOzhBQ==
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

2026-09-17T11:20:04.467701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039829
observed 41da112b275476d1f0ad700c75033336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.450018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039829/manifest.json
observed eca0bda3156716201dbf6321e22a1b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.431198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039829/publication.md
observed c6a32996db719011b6e0f271c6ab48f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.413474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039829/publication.txt
observed 321452f88a9ba12a860cf026b8db07e6...
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.