OpenTechnical

OT-2026-000025709

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000025709) never changes.

Identity and time

Publication numberOT-2026-000025709 · never reused
Internal UUID01a0ae71-9bca-7081-b8f1-43538b14c37d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025709
StatusPUBLIC

Content hashes

Canonical text9256c3b2bee6d663c067d13e55ea65e5650fd77161a10ed12253931874b216c9
Markdownef860de565f54df36826ae63b96fffa27c3219397fba13372a6284e70f518278
PDF
Publication pagef0da56207f9777f2c6e08ba32fb74e0dff99b29f3e6d3a7210b43b62dba5c6e3
Manifest6cb80ad57baddbdf5ddaf67837a982b9709d12a21701a596c530acad0d3d2455

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
Signature4w0BGgA1itfB2xrlL4SuR1NbsefAVrDjVWWM7yeCS2DXBRZMLOJyKY9lfQW90to/xxBRg+GlF2Mi0r5hz/YlBA==
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

2026-09-17T11:46:55.484953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025709
observed f0da56207f9777f2c6e08ba32fb74e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.468007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025709/manifest.json
observed 6cb80ad57baddbdf5ddaf67837a982b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.447916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025709/publication.md
observed ef860de565f54df36826ae63b96fffa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.427789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025709/publication.txt
observed 9256c3b2bee6d663c067d13e55ea65e5...
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.