OpenTechnical

OT-2026-000091572

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091572) never changes.

Identity and time

Publication numberOT-2026-000091572 · never reused
Internal UUID01a0ae9c-f16e-7ef3-8140-90324fc466ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091572
StatusPUBLIC

Content hashes

Canonical textc33669aa844824349b4a43deac76663e5e2adf0da6c46ba273c847fa3fc860d7
Markdown1144a82e041e233ab68724f98e05d27dc5ea907a999186c944a568da57ee8984
PDF
Publication pagee1132e2eaa62663379ba685b9b334fd4a7b33b9357f25002eb33215f063958d3
Manifestfe14e26ff8aea009ff47abd5d8319b16352fc123a19c4a993d10f5791a6d281e

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
Signaturei3yuc4HciN41k5Gmvcdbew1UiSvpz/f1mtz37CGtuQq9NJ/ZLJpcYgImSiSXjq530UO44ZkHixkrw6PuJRmwCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:50.617044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091572
observed e1132e2eaa62663379ba685b9b334fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:50.601688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091572/manifest.json
observed fe14e26ff8aea009ff47abd5d8319b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:50.585351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091572/publication.md
observed 1144a82e041e233ab68724f98e05d27d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:50.568363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091572/publication.txt
observed c33669aa844824349b4a43deac76663e...
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.