OpenTechnical

OT-2026-000013039

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000013039) never changes.

Identity and time

Publication numberOT-2026-000013039 · never reused
Internal UUID01a0ae6d-5564-7cbc-b67f-613d17040f05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013039
StatusPUBLIC

Content hashes

Canonical text4c73e175eb27afa5c4e8f0353944678cd49178a46bef2db468dda53462e2a38b
Markdowna1afc793d9f3dda46907d7d976709fbd812b411f72be0cb852d2ac65d874e962
PDF
Publication page417bf00306bdf4cfe3987d44a5b9d6529f4cb957c7701bd897ab0b6e9f78bc49
Manifestcc81604d36013e3a013ede0be68815cad5ec9aae344257607dab9f8703015037

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
Signatureu8tRk2ArNUQpAFld/ht/LfEMMhFlQ+wkNJ1C8Tm+trlBiBa2P0pRe8FFtl/efWjh0hrB4h0xackFpwi12gwtCg==
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

2026-09-17T12:10:52.209262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013039
observed 417bf00306bdf4cfe3987d44a5b9d652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.189014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013039/manifest.json
observed cc81604d36013e3a013ede0be68815ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.168109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013039/publication.md
observed a1afc793d9f3dda46907d7d976709fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.149982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013039/publication.txt
observed 4c73e175eb27afa5c4e8f0353944678c...
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.