OpenTechnical

OT-2026-000087040

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000087040) never changes.

Identity and time

Publication numberOT-2026-000087040 · never reused
Internal UUID01a0ae9a-9f2d-74ab-ad78-2bff7e55cd0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087040
StatusPUBLIC

Content hashes

Canonical text33f4d2cf7d51c7881505586884995da93ca9b36939b604d14acb85f540a3ce90
Markdowncdc43b3f6e79aae9ee0becc6cb92de67c955c772463cc99bffec00551c9c6ecb
PDF
Publication page9b349c05de100292865686f36a3142bd2e0c35ae6e5a0e123977f7eef01029cc
Manifestacc6ea1a4113bb0a5f7f61a4663d3f3fd4c3c23072c3b6a26518cd16faa7b6b2

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
Signature/Vn7qfRrSeIaREk0aLwMl0YGB/BakjHNeakV5m8q7fAYXYr9rRdlv5S27nBi4BggE7Gvb+fJvT5WC0/c07qCBw==
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

2026-09-17T09:51:17.093616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087040
observed 9b349c05de100292865686f36a3142bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.078531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087040/manifest.json
observed acc6ea1a4113bb0a5f7f61a4663d3f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.062811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087040/publication.md
observed cdc43b3f6e79aae9ee0becc6cb92de67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.047873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087040/publication.txt
observed 33f4d2cf7d51c7881505586884995da9...
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.