OpenTechnical

OT-2026-000071001

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071001) never changes.

Identity and time

Publication numberOT-2026-000071001 · never reused
Internal UUID01a0ae91-8c2e-7a34-b5e5-0d058b3e73e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071001
StatusPUBLIC

Content hashes

Canonical text87597f33981d47678d2cf49635adcfc90a287f2a82d170ff0fe431dbc5a38062
Markdownf10f44d3ee39262b97ba3ba10e2e236d6c6d733e8647febed47f44377efaa782
PDF
Publication page1edfcb04c75199a8e0fa576bd65c1918ac2a3def1ebb8bde6da343ba97af7fc7
Manifest6b5b84a14dd10e3d29bfade86a8b119e154e2f5d73b0515ffb6bf71edc882550

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
Signature7v/7D+zh0Wq1Zp48TEH0/A6lN3gR7GABmtKOlS2MwB09k+41SbhCFGgsOQTn+zQvFfow+vOk+Dj/EF37JTWnDw==
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

2026-09-17T10:25:50.987756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071001
observed 1edfcb04c75199a8e0fa576bd65c1918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.971330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071001/manifest.json
observed 6b5b84a14dd10e3d29bfade86a8b119e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.953835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071001/publication.md
observed f10f44d3ee39262b97ba3ba10e2e236d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.934642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071001/publication.txt
observed 87597f33981d47678d2cf49635adcfc9...
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.