OpenTechnical

OT-2026-000078118

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, vented after 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-2026-000078118) never changes.

Identity and time

Publication numberOT-2026-000078118 · never reused
Internal UUID01a0ae95-6e8c-73f5-9eb9-a27408c14314 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078118
StatusPUBLIC

Content hashes

Canonical textaf42d1299c3b37af8298c11cccb6b09730ea376352ce788ae1681acaa79670ec
Markdownbc44294fc66b20c8d1b5244a7113531cb7bfd8372c3add4072f6fbaf4dda0756
PDF
Publication page608c859b3b6bbcc705a37173ae92681700c0b038a5e20924f1f8cd2feea92ec7
Manifest17a9320735247ad7b4501977f9c2660c88d2918b79f4911fe809d20d18499092

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
Signaturemmxqv9ab46zC2+nCt7jPDqSOwQOHExUjEx5ISNUyjkJpPhm+q04gGsYRx1GXyhIyFuLl+a4tqjfBdT38xtjWBg==
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

2026-09-17T10:06:49.718422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078118
observed 608c859b3b6bbcc705a37173ae926817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.697307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078118/manifest.json
observed 17a9320735247ad7b4501977f9c2660c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.678188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078118/publication.md
observed bc44294fc66b20c8d1b5244a7113531c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.659042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078118/publication.txt
observed af42d1299c3b37af8298c11cccb6b097...
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.