OpenTechnical

OT-2026-000079028

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000079028) never changes.

Identity and time

Publication numberOT-2026-000079028 · never reused
Internal UUID01a0ae95-ccbe-7685-ab3d-5f8b6105a15d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079028
StatusPUBLIC

Content hashes

Canonical text51a8e63e9a08edf332af574cb68813fb4dfac58b87a275631a2296955622d334
Markdownc63aeb177ee288a14421fc1cab543879cbc65d841973303a671d8fc9754a4e9d
PDF
Publication page96732da575fb7a7a6c8a67893e8143384cd3f77c278ccffc9a05aaf614583ea6
Manifeste411f1a3e567854c53fa5edffc7feaef3abf666cf32bc6c54bce954411076ff9

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
Signaturer7NB0lv1665BZRju/fpKrDhtbDoTQsLuOyigeazXELIJjSPfbu9elTHbLWbc475vs/w/1ZsVikrhEu9GSdmrDw==
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

2026-09-17T10:05:24.140863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079028
observed 96732da575fb7a7a6c8a67893e814338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:24.123751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079028/manifest.json
observed e411f1a3e567854c53fa5edffc7feaef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:24.107131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079028/publication.md
observed c63aeb177ee288a14421fc1cab543879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:24.089570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079028/publication.txt
observed 51a8e63e9a08edf332af574cb68813fb...
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.