OpenTechnical

OT-2026-000076369

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000076369) never changes.

Identity and time

Publication numberOT-2026-000076369 · never reused
Internal UUID01a0ae94-6a70-78b4-8da4-88ca6b308895 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076369
StatusPUBLIC

Content hashes

Canonical textfd27bcbe7609df179deb6a1909e267f67967a04ffe7eae2d5ddc31b8c93e33ae
Markdown16eeb2dc1462c6a1ff6fafa97a8a7313fd49c8c5c5edd1c6ec1e63eb9bc9b320
PDF
Publication page33bd524b514e0fed8e880f813483d7a8a567a03d11f97fc3117157e54b343a6f
Manifest40ccbe067ffed09497499994ede43db27a400a60e19535fced92071193ae1850

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
Signature04+qdj/sBO9sX6BRUtYwh6JytDdFgYeFgSumyLI/c0V8j0ZoLmoYvQ3Gjw1EFK01/LO3HfCBgf2exA4yFfoPBA==
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

2026-09-17T10:12:14.258744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076369
observed 33bd524b514e0fed8e880f813483d7a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:14.237476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076369/manifest.json
observed 40ccbe067ffed09497499994ede43db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:14.216001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076369/publication.md
observed 16eeb2dc1462c6a1ff6fafa97a8a7313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:14.195746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076369/publication.txt
observed fd27bcbe7609df179deb6a1909e267f6...
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.