OpenTechnical

OT-2026-000025867

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000025867) never changes.

Identity and time

Publication numberOT-2026-000025867 · never reused
Internal UUID01a0ae71-a83e-7b39-81b2-0964813cb4f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025867
StatusPUBLIC

Content hashes

Canonical text2e7d367b8f15f31640b29c001299662601998dca0b09307a4a1b49446f420a50
Markdownbc4c01cb8ff74624072685df65f5acaaba8435117fde90ec3145cc0a9c9f8403
PDF
Publication page394ff310ae3189b431d77047612213c195198e8e492830705a23a4a6babb15ac
Manifesta0ead7da8ae29c76e66e2bad403c6f1d7ed1c2539e833abe084a1092e2890e0c

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
Signaturez14fLFlwnYcu89rP6GtMih2/2cD4Kfg3JGqVNqeYy5h9mUtA4IvF070czxIdEAKY7q88iCpCgVE3X+XrAiZaBg==
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

2026-09-17T11:46:06.123824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025867
observed 394ff310ae3189b431d77047612213c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.106021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025867/manifest.json
observed a0ead7da8ae29c76e66e2bad403c6f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.077281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025867/publication.md
observed bc4c01cb8ff74624072685df65f5acaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.056376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025867/publication.txt
observed 2e7d367b8f15f31640b29c0012996626...
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.