OpenTechnical

OT-2026-000054795

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000054795) never changes.

Identity and time

Publication numberOT-2026-000054795 · never reused
Internal UUID01a0ae86-1285-7bcc-acdd-cc378d140840 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054795
StatusPUBLIC

Content hashes

Canonical text31fe791688dc6592e675d1f6af3b627b36d070470e1d84c0752c4b9e0e511f19
Markdown7d3873fd7ccce016d2e32357d9e72429f3d6dc7d9bb8d91d82d7edbd05ce1867
PDF
Publication page7c7f0374b86757adfa034528c8b31e5cdb7853c7abd5321f43c750c5eb66426f
Manifestea3c3575f067529ab129441e6c3a95dc88a54ac72c8122dd4822992426621833

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
SignaturerJl9DPbUr5jR58eOw6kr1snfs9gROJJDFzOpczkXdRU1hcCewZBYgiN86bfMlGi0u0yhNe9eKdNgs+9oiL6HDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:59.748900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054795
observed 7c7f0374b86757adfa034528c8b31e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:59.730016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054795/manifest.json
observed ea3c3575f067529ab129441e6c3a95dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:59.699096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054795/publication.md
observed 7d3873fd7ccce016d2e32357d9e72429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:59.665813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054795/publication.txt
observed 31fe791688dc6592e675d1f6af3b627b...
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.