OpenTechnical

OT-2026-000078511

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000078511) never changes.

Identity and time

Publication numberOT-2026-000078511 · never reused
Internal UUID01a0ae95-7c29-7251-b55f-d0fa586f0431 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078511
StatusPUBLIC

Content hashes

Canonical text004dfc87833c67be379a01fdd9e36ef695f09bace5c65ea7a24b6156d0c505cd
Markdownd649703b2171f6c3ea6f8e93a082bf2e0591b43487dc6ac6346611c5174f34d8
PDF
Publication page851b7f71c2b15581427a3a84e04fbeae3eb62510c20d0b4a0320d124a3996ef9
Manifesta9523393af744081352d814b058932c3a0ae8d52c47b16dbf19c0ffc0c40e7a4

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
SignatureuCT4ggL5bv8Q/HO+itFvlJrVB3JYdhFCP3Gl4ZNt7SUhGAAwrSyzTNz+V5cXiWAUb/TRtKQXkmVVKmdFBWJaDA==
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

2026-09-17T10:06:31.615097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078511
observed 851b7f71c2b15581427a3a84e04fbeae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:31.597849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078511/manifest.json
observed a9523393af744081352d814b058932c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:31.579541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078511/publication.md
observed d649703b2171f6c3ea6f8e93a082bf2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:31.561942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078511/publication.txt
observed 004dfc87833c67be379a01fdd9e36ef6...
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.