OpenTechnical

OT-2026-000032095

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000032095) never changes.

Identity and time

Publication numberOT-2026-000032095 · never reused
Internal UUID01a0ae74-bad3-7c73-964b-a68ead65f597 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032095
StatusPUBLIC

Content hashes

Canonical text23db661c76980ff21f76181422d7da64c0914d433b7a7ac37140559f8a880545
Markdownd3209485ed779337c6ffff2b107a1339c525233548f0645986567995e37c8e46
PDF
Publication page81de3f828a06e812d04323b58f4ec8c684a7b8b8bae96aaa411ea49d6a07f40b
Manifest4eafde5c7f80144f42d225fc84e91845945644733d50e50ac6d7f8a3861fd414

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
Signaturer3hq8C8drK7Han2Xy5cKTYAARB2JMQfXbYv6RgzBBdIaH8ctcfjnBuoN44JLawJSjKa1lZLTwdu2RtdEKB9uBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:35:31.257630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032095
observed 81de3f828a06e812d04323b58f4ec8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.240336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032095/manifest.json
observed 4eafde5c7f80144f42d225fc84e91845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.222975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032095/publication.md
observed d3209485ed779337c6ffff2b107a1339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.205360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032095/publication.txt
observed 23db661c76980ff21f76181422d7da64...
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.