OpenTechnical

OT-2026-000058302

Publication integrity record

Foam pad vacuum gripper, 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-2026-000058302) never changes.

Identity and time

Publication numberOT-2026-000058302 · never reused
Internal UUID01a0ae88-f398-7fc8-b75b-387aa19149c7 · 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-2026-000058302
StatusPUBLIC

Content hashes

Canonical texte88101e9a2e03af9a91b273873be1444b89a7008d0d216ea903f05e99ee7bf93
Markdown0dbb0f7836d5f5c1fbab8c807d2156405f14da581182d9ad274a5182e4dff869
PDF
Publication pagee228629425ac2276a1bcaf7027810abfc7d5dc73195a883fe8888687c5477636
Manifest364a537f86a47482e88bc51e1b8f3bbfb84e57bb3d89c39e2b6ec66cac61ce45

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
SignaturehMIervH5xsJiuiZmtn+cswWucstV5Vt0iR06h7UMLHBfWyfJf70s6NIIDCAmTnVpYyySvcKZfM3zd2K+bbnMBQ==
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

2026-09-17T10:46:42.057365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058302
observed e228629425ac2276a1bcaf7027810abf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.039712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058302/manifest.json
observed 364a537f86a47482e88bc51e1b8f3bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.019933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058302/publication.md
observed 0dbb0f7836d5f5c1fbab8c807d215640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.002083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058302/publication.txt
observed e88101e9a2e03af9a91b273873be1444...
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.