OpenTechnical

OT-2026-000078629

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078629) never changes.

Identity and time

Publication numberOT-2026-000078629 · never reused
Internal UUID01a0ae95-7c2a-7880-b539-1b447e405942 · 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-2026-000078629
StatusPUBLIC

Content hashes

Canonical text17729ce93a611b9b5c606b8530a168928ac662d2158f14b0d50bef0c639ed8a3
Markdowne3f9aeec3e9c3fc59f818269456d10767704daeaae35aaf5dc8aeb1d47974db9
PDF
Publication page8e8d3876ee06ab94082cca4ce23cb6250b333b85564174395701936a619e9499
Manifestc8e41410b3758dc5c272179304b7f6c39cc2f34828e9d35cd298ffa0337cef3b

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
Signature8BR9LA2USo0AzPKwjLdNmC7thEqBwKn4Jk6OJMlwDo+6T6+uvbRfZdarvrKXu2zpAMJYau/a+hLknA5ypSyGDA==
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

2026-09-17T10:06:39.971989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078629
observed 8e8d3876ee06ab94082cca4ce23cb625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.955237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078629/manifest.json
observed c8e41410b3758dc5c272179304b7f6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.937806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078629/publication.md
observed e3f9aeec3e9c3fc59f818269456d1076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.919691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078629/publication.txt
observed 17729ce93a611b9b5c606b8530a16892...
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.