OpenTechnical

OT-2026-000071437

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single 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-2026-000071437) never changes.

Identity and time

Publication numberOT-2026-000071437 · never reused
Internal UUID01a0ae91-e0ed-7668-8889-0d10e8c43c72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071437
StatusPUBLIC

Content hashes

Canonical text58922fcd70be7b9e460efabbb7d114f0c6dd7836928572631dbce34e185d2f38
Markdown32a116148ccceafaf0ea20ac203b8fe5a28619b7905c87dd88911c28419761c5
PDF
Publication pagedd4180902fa17189f613c0671bc182a78ab0092d526d6ce3327b4d38fc99a35c
Manifest11ca6776cf080cb60d40e1092cd95061cbca7757f12daddb190b1fce52ce361a

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
SignatureGwX3+uUTmicv2kWWYlt41opm14PVSTYw8RV9eGqZ2b6kO6OfXKAw5IdmuFoC/xfB8EhnWuJGGRnyPmUSD7Q2DA==
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

2026-09-17T10:25:04.680417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071437
observed dd4180902fa17189f613c0671bc182a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.665167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071437/manifest.json
observed 11ca6776cf080cb60d40e1092cd95061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.649302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071437/publication.md
observed 32a116148ccceafaf0ea20ac203b8fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.631998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071437/publication.txt
observed 58922fcd70be7b9e460efabbb7d114f0...
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.