OpenTechnical

OT-2026-000078108

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000078108) never changes.

Identity and time

Publication numberOT-2026-000078108 · never reused
Internal UUID01a0ae95-6e8c-7b3c-bc87-36a22f4d71c8 · 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-2026-000078108
StatusPUBLIC

Content hashes

Canonical textfdcbd00692b4afe2b14969573c8d032cadbe5811987f1bd92a7287bd601ab5b7
Markdownd78bb062baee12a110935ee993ca1efb3f464dc3961d65893134a75ed6755154
PDF
Publication page5719df73ae8d6ff9561548d8b945357ead2fa1a2d9fdc6e0fec0a194f1b279c3
Manifeste7adebe07ba658f6753a1c439c9ac417c525ae2316a7372570f6e05d25f0c8a2

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
Signature4EJyp59lgwupeTvRahdGDCh9/RBrEyTq1K+48gy/qGwizjDOwi+10OdWRTWQxNWu6tOLj4GqRJ+Epe2AyG/fBg==
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

2026-09-17T10:06:43.632297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078108
observed 5719df73ae8d6ff9561548d8b945357e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.611618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078108/manifest.json
observed e7adebe07ba658f6753a1c439c9ac417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.593224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078108/publication.md
observed d78bb062baee12a110935ee993ca1efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.574995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078108/publication.txt
observed fdcbd00692b4afe2b14969573c8d032c...
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.