OpenTechnical

OT-2026-000032649

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000032649) never changes.

Identity and time

Publication numberOT-2026-000032649 · never reused
Internal UUID01a0ae75-1070-7e02-87ea-2a8354a0b27d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032649
StatusPUBLIC

Content hashes

Canonical text2c60d70619593ecb0e5b739fff75c032e481a3a04279ebe1bb5d8f410b23b22c
Markdown78e75dd4368798b713d3dc4a353f5ac431d88137dbd3b8e8b5fb021fc2b28b19
PDF
Publication pageaaa6f03d2b41bda81e478e8d4b97ee91effefd431eb59920a766c981f1693fd5
Manifest2056e7da52e44bc5c2040cd6ffeef0b9232cc8488ad871787e92cecab5015526

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/b2Z3g+r1z9cNaaxaNc5pdXCfke2bLEK/Oz17KjOVtzfrenhul/wUVMSe0A3BZHXu1sPakZLAGI+34/BuO5tDg==
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

2026-09-17T11:34:14.532620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032649
observed aaa6f03d2b41bda81e478e8d4b97ee91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.515445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032649/manifest.json
observed 2056e7da52e44bc5c2040cd6ffeef0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.497851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032649/publication.md
observed 78e75dd4368798b713d3dc4a353f5ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.479384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032649/publication.txt
observed 2c60d70619593ecb0e5b739fff75c032...
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.