OpenTechnical

OT-2026-000005443

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, contact triggered on the face

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-2026-000005443) never changes.

Identity and time

Publication numberOT-2026-000005443 · never reused
Internal UUID01a0a939-2db1-7a10-95e4-0640a70f3ec1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:58:11.891725Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005443
StatusPUBLIC

Content hashes

Canonical text14be6d465d5b020f00cffba00cece59508173c8121a07939a553b40b19de16de
Markdown1ec93715296f4067476964a056893fd19583165f454deade546d892cac3b75f6
PDF
Publication pagee538c71ff1d6e366d7e6c40b1ec52041ea401e7e0e9ee26c7b17f92bcee3d2a6
Manifest60fde7c15aa38e60e564f614d4f822f5a14f2d19c4a17ed4345ce9d59e82e2d8

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
SignaturetadrGn4YZEvahsUvvtQ2H7SSyh6e4oD0YMXR+ND3pJEqMWssme/VJxuvEfZlir7iAKcDou0wHEOTmlDwcr1dAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:08.925573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005443
observed e538c71ff1d6e366d7e6c40b1ec52041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:08.911232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005443/manifest.json
observed 60fde7c15aa38e60e564f614d4f822f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:08.898464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005443/publication.md
observed 1ec93715296f4067476964a056893fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:08.884003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005443/publication.txt
observed 14be6d465d5b020f00cffba00cece595...
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.