OpenTechnical

OT-2026-000075531

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000075531) never changes.

Identity and time

Publication numberOT-2026-000075531 · never reused
Internal UUID01a0ae93-f202-775b-95b0-0c620d58ba85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075531
StatusPUBLIC

Content hashes

Canonical text886de5a3cd7eb7b4e31a9f8d1bdd3d48dc38a4801c693bafb812ffc98dfea894
Markdowndbc7119676e2a6785e736cb10f5ab48f954e1badcb202538ff9705e52540309e
PDF
Publication page402fe1992b8fad1bb052d10fb32fc0a85b74051f8da0f4ad9e5278d97c7a8986
Manifest5c9eabb29e077d293339ee7936ed65a620a44aaa6654344dbc6310de217e6e89

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
Signaturep08xVOBw+fnp6vFQzl6WE5/+2kQnIMF821A9BJJrGsBsyYaPmrP44WKQyp2dtikuByqfWRxx4xSTMTCW+CiZBw==
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

2026-09-17T10:18:00.973126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075531
observed 402fe1992b8fad1bb052d10fb32fc0a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:00.953700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075531/manifest.json
observed 5c9eabb29e077d293339ee7936ed65a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:00.809930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075531/publication.md
observed dbc7119676e2a6785e736cb10f5ab48f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:00.791593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075531/publication.txt
observed 886de5a3cd7eb7b4e31a9f8d1bdd3d48...
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.