OpenTechnical

OT-2026-000078112

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, vented after 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-2026-000078112) never changes.

Identity and time

Publication numberOT-2026-000078112 · never reused
Internal UUID01a0ae95-6e8c-7b23-a256-d9cddb29a69f · 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-2026-000078112
StatusPUBLIC

Content hashes

Canonical text1d7198de9fd59653e661bcecaf129a88d2003a2ef58be96755d43438f690403d
Markdown6efb3ecdd9a7fc874f23cbe612b11cbc133bd168c826f3e3f903385ae5466c48
PDF
Publication pageb944cd6de9bbc63cf96d9edb1b2e262e1842867ded2977b95b54b62eb857a118
Manifest0e1c1712158799aa6d73177e6b3081d71bf0c2740a04ba794330e31d24e48d72

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
SignatureDGIF5QQXan2D1tZoHoAQLa09Gs8DtiYRIZjvsddKYYP5Veav3ase2xW2XaePFes2ZmtuISvKwF1kesxX3aZoAQ==
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

2026-09-17T10:06:49.335765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078112
observed b944cd6de9bbc63cf96d9edb1b2e262e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.317837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078112/manifest.json
observed 0e1c1712158799aa6d73177e6b3081d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.299840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078112/publication.md
observed 6efb3ecdd9a7fc874f23cbe612b11cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.280146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078112/publication.txt
observed 1d7198de9fd59653e661bcecaf129a88...
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.