OpenTechnical

OT-2026-000058342

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000058342) never changes.

Identity and time

Publication numberOT-2026-000058342 · never reused
Internal UUID01a0ae88-f398-7452-964d-8e5d2f38a95d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058342
StatusPUBLIC

Content hashes

Canonical text49841f470f68f384460354fe77e8fb43d94f1e0115a79452d92486f90eb0466d
Markdown15b1a8c16488743fb9fbc52c6061e2a460d2f61db4d4b9cb763280c7ddfea51e
PDF
Publication paged6f4a7d97ad27a067f84c8151408cefb2ab164c4cf5e019abd5315335b8e36e2
Manifest12991deac0c2630a154c36af428d5bc06c4fdb628158cfdfb7fb6472fc2cb163

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
SignatureN17RNj/Inbs+Bi5NKn5pXA+yLEwI0qay4rrnnNKgwiCfYrrbMg6g4oawc/0aBqqZanOPwI9/CD4GfI9hfQ5iCA==
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

2026-09-17T10:46:45.243858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058342
observed d6f4a7d97ad27a067f84c8151408cefb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.228888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058342/manifest.json
observed 12991deac0c2630a154c36af428d5bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.212029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058342/publication.md
observed 15b1a8c16488743fb9fbc52c6061e2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.195830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058342/publication.txt
observed 49841f470f68f384460354fe77e8fb43...
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.