OpenTechnical

OT-2026-000071000

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000071000) never changes.

Identity and time

Publication numberOT-2026-000071000 · never reused
Internal UUID01a0ae91-8c2e-7db8-bcad-75a4fba02ab8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071000
StatusPUBLIC

Content hashes

Canonical textfd5a825b5ffe7ece37ea3a530f070b026c8c926bd1dc081952d8dabf15fb7ad0
Markdown2a942d7e4fba97f0c361384568dd52dcdfda4a354748c2a239a8552da62ca1a5
PDF
Publication pageba58fadc4a23d9f450768da81f8e28ffd0196dd3d8f2eb27be1f4289066aebc2
Manifest07241301160d471c6d527dcb9a937611a8419edc9da3bbf1dce81550bbee61c2

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
SignatureYc0AZNYDihAqLkAlhjxg9rU6t7HVFpm1XemWqjM6Zuxwzo7sd2HKmnYrLiijht19IruFuilrJSBT6NCcOeoVAQ==
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

2026-09-17T10:25:50.915805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071000
observed ba58fadc4a23d9f450768da81f8e28ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.899549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071000/manifest.json
observed 07241301160d471c6d527dcb9a937611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.881031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071000/publication.md
observed 2a942d7e4fba97f0c361384568dd52dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.862156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071000/publication.txt
observed fd5a825b5ffe7ece37ea3a530f070b02...
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.