OpenTechnical

OT-2026-000030339

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000030339) never changes.

Identity and time

Publication numberOT-2026-000030339 · never reused
Internal UUID01a0ae73-e501-708d-8ddc-6ae5851e694a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030339
StatusPUBLIC

Content hashes

Canonical textf6b01afb9bd291463e56b55cb37395d9bd1e7af7d2354a83f69d82f443406d53
Markdowneab98e890516fb5ef2ee9ca930763871ff1fac0ea0024c19e3e866b9a36483ed
PDF
Publication page623bf9af440186ddf8daeded683b84d6530a5e97bc4e9b75b1170d4395657b24
Manifest4d16b6c6d41baf6f763d78f322b68717e6c7fabc157a77aeb9f3bb9c34fe620e

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
SignatureUTJscDSOufNLxGqd+2Saj5OcwQZTA1hZIpaY2WX2J4/88FVHfYGn8oXrj98/TCDFm9MfuKQ9OEFMx1km8LcYBg==
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

2026-09-17T11:38:03.115019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030339
observed 623bf9af440186ddf8daeded683b84d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.096439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030339/manifest.json
observed 4d16b6c6d41baf6f763d78f322b68717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.078411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030339/publication.md
observed eab98e890516fb5ef2ee9ca930763871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.061154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030339/publication.txt
observed f6b01afb9bd291463e56b55cb37395d9...
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.