OpenTechnical

OT-2026-000098478

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000098478) never changes.

Identity and time

Publication numberOT-2026-000098478 · never reused
Internal UUID01a0aea1-e966-784a-bfb4-4699aaaf4925 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098478
StatusPUBLIC

Content hashes

Canonical text9a7ca5b4e0b46928277ea124d0389284dfc7325b5acaa706a25dcbb31e8860a7
Markdown0a317ce9d7bf24f5b956e86d4879038492a61cf5fced878f2fbca4d2f33701b8
PDF
Publication page8737a9fa96f3f86dbfea982ad6b0abb8417d6cca6dbb44ee7d82c0c429d61803
Manifest8b39fa222e0a87064adbb1446612e0fa68b981f4a24b5269f5564039bf319ad9

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
Signature/7CQ05ny9Ed1vYtRlIEwcTS9SyIrRNosb6abkPDE/+WdxhwgB8/F29jNygZRyN1LsdBbzNkLwP/HOENkYlopBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:20.642039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098478
observed 8737a9fa96f3f86dbfea982ad6b0abb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:20.624105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098478/manifest.json
observed 8b39fa222e0a87064adbb1446612e0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:20.604657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098478/publication.md
observed 0a317ce9d7bf24f5b956e86d48790384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:20.584635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098478/publication.txt
observed 9a7ca5b4e0b46928277ea124d0389284...
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.