OpenTechnical

OT-2026-000102946

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000102946) never changes.

Identity and time

Publication numberOT-2026-000102946 · never reused
Internal UUID01a0aea4-be3c-7d40-99bb-0bb16df4e89b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102946
StatusPUBLIC

Content hashes

Canonical texta281b1372adcc877573972d7139d5dc87769f6e1cf262abba932d9903d587c11
Markdownb7fc993b525d4e93c19736f9f0f924e06e4995443ac36f6d782dd7534c165285
PDF
Publication page49e8244b53a1dd48e151054bca40279ba824afa5a7782e7727348bb88d2f585c
Manifest1609cb2b0e5afa07b2ee33e8ca841a80d616441c07e9d1de06fe659c30e1c3dd

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+b8MV48zQ7f8rr7piL+yauh130oMFaqNC43JkLbD9tvgzbNOvh0mzoELGuwPTfELcfyXCRM+SupmG4NIyn2gBw==
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

2026-09-17T09:23:03.142787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102946
observed 49e8244b53a1dd48e151054bca40279b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.122252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102946/manifest.json
observed 1609cb2b0e5afa07b2ee33e8ca841a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.101747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102946/publication.md
observed b7fc993b525d4e93c19736f9f0f924e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.084250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102946/publication.txt
observed a281b1372adcc877573972d7139d5dc8...
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.