OpenTechnical

OT-2026-000071765

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000071765) never changes.

Identity and time

Publication numberOT-2026-000071765 · never reused
Internal UUID01a0ae92-1e91-77fe-8937-459b65f03b29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071765
StatusPUBLIC

Content hashes

Canonical textb3d686a55a871d2011b7bc4e4105a107efd88844d4b57b7ced016640d05e7b08
Markdown51f89cd3311dd096ed499b13d8fe32728a76b0600acd294a83b4ac7c38636fca
PDF
Publication pagea787b3b81d489b97849acac0f30bd842bf7d29aaac380ea45a5790526528c166
Manifest249ee0cfcf998eab0ab73f4a7d4c314df66300d7a0f127610695170aaf2bbf56

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
SignatureU+y8HNFMAd1pHNga8KXYbE1RQdxynHIo0wxROFz3c2v+fXMnBKy6eAGVfNH+IxvqEZrvrMIgNXdWmjriIaKiBA==
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

2026-09-17T10:23:55.579257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071765
observed a787b3b81d489b97849acac0f30bd842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.560954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071765/manifest.json
observed 249ee0cfcf998eab0ab73f4a7d4c314d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.543551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071765/publication.md
observed 51f89cd3311dd096ed499b13d8fe3272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.526568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071765/publication.txt
observed b3d686a55a871d2011b7bc4e4105a107...
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.