OpenTechnical

OT-2026-000089030

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000089030) never changes.

Identity and time

Publication numberOT-2026-000089030 · never reused
Internal UUID01a0ae9b-8f12-765d-beda-ab3427edb752 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089030
StatusPUBLIC

Content hashes

Canonical textaa8a30969eeb368bc463e6f1db607d945f69fc5e45bb308fb3e72f4662f968b4
Markdown35983e4500c8498b867693aa55feeb836da09dcf9ed37f4079dcfea6660a75ef
PDF
Publication pagee71a52f5420bfb81e5bdfdd94470f6a66f069927e1d86a4d3838d84f412004b1
Manifest6a2540c58dc855258d58ac08f07177bf1d16ddd746f76340b3be720f4e7fa4c9

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
SignaturePfEaJgd+ZvMRZH2atL0YedAhGFx30HkgTSTb6gEHxDUwLRM7/adiO7H70L6z+m3v5Xw7PCLSZzsQ9NiYfR3dAw==
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

2026-09-17T09:48:32.363058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089030
observed e71a52f5420bfb81e5bdfdd94470f6a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.345438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089030/manifest.json
observed 6a2540c58dc855258d58ac08f07177bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.327972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089030/publication.md
observed 35983e4500c8498b867693aa55feeb83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.311114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089030/publication.txt
observed aa8a30969eeb368bc463e6f1db607d94...
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.