OpenTechnical

OT-2026-000085308

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000085308) never changes.

Identity and time

Publication numberOT-2026-000085308 · never reused
Internal UUID01a0ae99-aaaa-7a09-8c8f-b5869cce5fca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085308
StatusPUBLIC

Content hashes

Canonical texte155a1f6cb24f39f0830a84290e17ceb1a3694483c14856136ad9181be5425f2
Markdown72fd06725dc852f2fc961d42f33c8441226da8feb0715217d97093924bb0b38d
PDF
Publication page0e63e722e41cbcfb8c804494f48a47977c67b136b21b9c18ccd658ac87fe2ba2
Manifest1607a6f53268f57146b53349ab14700eec624989980b6022cd9c179497f6403d

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
Signaturea53XMSWqM3/oVaCQdhCgu9t2kJBwT7l8D7U0erPnKc4c8PqZiuFzVDcnhFTXV4P4e7qeODMX30K3N7XFD+yaAA==
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

2026-09-17T09:54:01.638693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085308
observed 0e63e722e41cbcfb8c804494f48a4797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:01.619517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085308/manifest.json
observed 1607a6f53268f57146b53349ab14700e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:01.601673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085308/publication.md
observed 72fd06725dc852f2fc961d42f33c8441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:01.583421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085308/publication.txt
observed e155a1f6cb24f39f0830a84290e17ceb...
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.