OpenTechnical

OT-2026-000079938

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000079938) never changes.

Identity and time

Publication numberOT-2026-000079938 · never reused
Internal UUID01a0ae96-4377-70cb-8bef-7509576791a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079938
StatusPUBLIC

Content hashes

Canonical text02546b9de30657e1650f7116ab76d7756eb526ef3b8a683597f463eb88e96245
Markdown3b47b9a62e9d3190cc59221c7cac24189a4b3f3603108d6f0faec030820d9153
PDF
Publication pagec0f8fd761d678cfa39d938850c2c2db1c266272acb74def08656ed68c24ac544
Manifest1a6e337d137d465ec337a792264c11f177e28ebb8685dda9a974a51ac2aeaa30

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
SignatureczrXZYG+PxhgVytcv1MPQfyikb8V8pbp+P6C5MMBiskRAquMG8rOCUL367/H4IY3wh4dxyxs/4KBi1nctSuKAw==
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

2026-09-17T10:03:50.572640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079938
observed c0f8fd761d678cfa39d938850c2c2db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.554024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079938/manifest.json
observed 1a6e337d137d465ec337a792264c11f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.535729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079938/publication.md
observed 3b47b9a62e9d3190cc59221c7cac2418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.516513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079938/publication.txt
observed 02546b9de30657e1650f7116ab76d775...
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.