OpenTechnical

OT-2026-000079816

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000079816) never changes.

Identity and time

Publication numberOT-2026-000079816 · never reused
Internal UUID01a0ae96-4376-7b58-bcd8-10e0925ee8c1 · 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-2026-000079816
StatusPUBLIC

Content hashes

Canonical textcecfc51e0b9b2d67e4addae079b3ec18648280fd1ee85124152eb7eaf003ffb0
Markdown3157e67004574042c18c76274703e1fd79a7a728b6f1bb619e571b31ea06a135
PDF
Publication pagee5b13055e43c5591772d336cdaec32542d83afd71f78c1495bf5cc8cf65a9442
Manifest66db876cf108f4fc082942200b5ec5246a0b75c6a33a389d92244a273dc6b31f

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
Signature2HHsCnf3YqUMREIe5O2mriC74qGv1EhjvQFH4LXETTYcFq3uQJhl83rEl6Eo3ewxWHzwmxNKxC46YG0HidI9DQ==
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

2026-09-17T10:03:41.779241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079816
observed e5b13055e43c5591772d336cdaec3254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.761394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079816/manifest.json
observed 66db876cf108f4fc082942200b5ec524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.744205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079816/publication.md
observed 3157e67004574042c18c76274703e1fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:41.725296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079816/publication.txt
observed cecfc51e0b9b2d67e4addae079b3ec18...
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.