OpenTechnical

OT-2026-000058121

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000058121) never changes.

Identity and time

Publication numberOT-2026-000058121 · never reused
Internal UUID01a0ae88-6eda-75be-9e16-79366b1ef0db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058121
StatusPUBLIC

Content hashes

Canonical text564b84f762f1b76027ce77a5e6bfb7b7632b2c11bb02d783b04264b18a783e36
Markdownb1a32a72529bd1464f90c651f773257373b9559b9d788545ccef748e908b4878
PDF
Publication page4b892d65b347964ff413c431a5a85a30d15d015a0dcd39063642c24d36fee549
Manifest521a7f053c942391235a708cec637b47bee825f7441579881c3328f82606750e

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
SignatureMoLL62UUyIKxfBVksUhUSS9fRQ376jMFZ28HosDxUy0cSUuXrBqLJr9opRjodOgLECQ/unZHVfL/FNS5rSnGDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:47.871691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058121
observed 4b892d65b347964ff413c431a5a85a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:47.853705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058121/manifest.json
observed 521a7f053c942391235a708cec637b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:47.834848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058121/publication.md
observed b1a32a72529bd1464f90c651f7732573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:47.816091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058121/publication.txt
observed 564b84f762f1b76027ce77a5e6bfb7b7...
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.