OpenTechnical

OT-2026-000014235

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed 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-2026-000014235) never changes.

Identity and time

Publication numberOT-2026-000014235 · never reused
Internal UUID01a0ae6d-b279-746f-bf57-20813fe6f4b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014235
StatusPUBLIC

Content hashes

Canonical text9c6923e33e264d6ea730a6571d4ee73ee1d791690026567fe851dba0bee9d626
Markdowne66a8b8b845f19f13ca693733cf057e8aa79a6142a9c0027ea19230c13001218
PDF
Publication pagea34021fa3158e94fffc5a3dfa653db8b9c8ef851342f29566ecaf0e22a132404
Manifest6874168f740835ee6d1cab210547bc65ca3ceabe8637562509c53138b7545d3f

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
SignaturegyW6toVILAn2lZK3WitgCuC+XOlGnJ87VI0T5uZltRwEuowflGth7Hd53ijKueUg80CFRCg0x6G9+ECzNU6HBQ==
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

2026-09-17T12:07:21.175452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014235
observed a34021fa3158e94fffc5a3dfa653db8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:21.151881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014235/manifest.json
observed 6874168f740835ee6d1cab210547bc65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:21.127544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014235/publication.md
observed e66a8b8b845f19f13ca693733cf057e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:21.102981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014235/publication.txt
observed 9c6923e33e264d6ea730a6571d4ee73e...
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.