OpenTechnical

OT-2026-000084592

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000084592) never changes.

Identity and time

Publication numberOT-2026-000084592 · never reused
Internal UUID01a0ae98-e25b-70de-951c-77d3a570e73b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084592
StatusPUBLIC

Content hashes

Canonical text2c628afd4fafabbe92c2e4d824e6cc15eb4c51053899acfd42f0a858213097e5
Markdown5180bafda41f7de719237465b5aa8369204e1c40d544e039d7e6ddc2f5f3b8cc
PDF
Publication page3d4d83a21cdebffac4de309f086ffec85c15f9edd60f20d74a56e6352a7ae12f
Manifest0052ff33addc6ebd5b157381c89ca5be9de9ab0788152b9e5a24ed15fcecd406

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
SignatureeJ7HtMPhP9wQ0dxGb41d/f7TNDsMsFu0G+82OXwKj3lZxnZ/zmctIyFwPK1YRFIx1Kiqb+oNOGWFMsrMStyACA==
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

2026-09-17T09:55:29.761404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084592
observed 3d4d83a21cdebffac4de309f086ffec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.743848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084592/manifest.json
observed 0052ff33addc6ebd5b157381c89ca5be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.725287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084592/publication.md
observed 5180bafda41f7de719237465b5aa8369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.707940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084592/publication.txt
observed 2c628afd4fafabbe92c2e4d824e6cc15...
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.