OpenTechnical

OT-2026-000089977

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold 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-2026-000089977) never changes.

Identity and time

Publication numberOT-2026-000089977 · never reused
Internal UUID01a0ae9c-428e-7df7-accd-b6e7ef5f88f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089977
StatusPUBLIC

Content hashes

Canonical text01995e11720e0448747df9c37bea777c8fdf603c4d02d592f6e78ef2691e4948
Markdown050793775e7bdca82e62c8b66b3acb115b44ff2ee97da5a14f6db0a7e2d0ab5b
PDF
Publication page070f9c3ec8a4837c1d016eb22699e95255b21148f34e97665b7cc32100bf3e38
Manifest4c8b6d4d113659429d9d6ca06c43454e78a012995652160a53a584ea6ef11171

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
SignaturefsuaTKJgntqZvGLidoB96fLXn6G8EQgo4fJjwN3kADSElOJSCi/+qo5yXHAOz/hd0SCBH8iI8tMu6C+i3bz5Bg==
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

2026-09-17T09:45:21.969442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089977
observed 070f9c3ec8a4837c1d016eb22699e952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.951957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089977/manifest.json
observed 4c8b6d4d113659429d9d6ca06c43454e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.932680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089977/publication.md
observed 050793775e7bdca82e62c8b66b3acb11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.914911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089977/publication.txt
observed 01995e11720e0448747df9c37bea777c...
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.