OpenTechnical

OT-2026-000091432

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091432) never changes.

Identity and time

Publication numberOT-2026-000091432 · never reused
Internal UUID01a0ae9c-f16d-761d-966e-059eb509fad2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091432
StatusPUBLIC

Content hashes

Canonical text4b44cb40d0baa7d985caec7316aa0ba7c2ed1841d0b91c413931280261853585
Markdownf6ab755c5623b217bf26cdad9f13293601af8526ffc21b75307f4593ac755456
PDF
Publication page2d5e3cee915fa8a69bebc830c021e3650e56d672fd74caa4f8f29db7daf4f33c
Manifestae6076124119148f0cc9c6657bc8db56498d07bc5095734a823fc0e6a58e3b6c

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
SignatureDP5A/wBS5mZa970NydbqL8SQNFz/CE0mbI3bVTp6STQ7PU0dIxeqzG/HCooC3jkMlRMkisniS1wXgLOE/V5MAw==
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

2026-09-17T09:43:40.381831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091432
observed 2d5e3cee915fa8a69bebc830c021e365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.365100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091432/manifest.json
observed ae6076124119148f0cc9c6657bc8db56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.347714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091432/publication.md
observed f6ab755c5623b217bf26cdad9f132936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.330475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091432/publication.txt
observed 4b44cb40d0baa7d985caec7316aa0ba7...
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.