OpenTechnical

OT-2026-000075388

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000075388) never changes.

Identity and time

Publication numberOT-2026-000075388 · never reused
Internal UUID01a0ae93-f201-72ba-aef8-7842a4a99149 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075388
StatusPUBLIC

Content hashes

Canonical text47fdcca513fd29a355cd42551f677a18a692c86e34e4cedbb3ef7d347f37b70e
Markdownf1e900ff25eada35aa70b09bdbc0c68b4c6ceec35727e0aa9a99d89d6b7f42fa
PDF
Publication page4db12dd146efccaaabbed8b3638c6a77579949ce4f65a6badf91c65aefcce79c
Manifestbf8d5bcafbc376b23dcbaf7e0b751a351d82b95f5fd51e90ad184412ba6604b9

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
Signature825llvihMBrL2fY54BEPouVzhK9WcBMdDd62SWBjEET8F3n91ue55QjM7+Xouw1Kqg5dsPJ4/T72fkPUIrGQAw==
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

2026-09-17T10:17:26.064862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075388
observed 4db12dd146efccaaabbed8b3638c6a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:26.046070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075388/manifest.json
observed bf8d5bcafbc376b23dcbaf7e0b751a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:26.027121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075388/publication.md
observed f1e900ff25eada35aa70b09bdbc0c68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:26.006585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075388/publication.txt
observed 47fdcca513fd29a355cd42551f677a18...
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.