OpenTechnical

OT-2026-000032280

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000032280) never changes.

Identity and time

Publication numberOT-2026-000032280 · never reused
Internal UUID01a0ae75-106d-7745-b2ab-16e2f8e0a956 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032280
StatusPUBLIC

Content hashes

Canonical text18933d081843fcf7690b4539661e2c2cb7a56cbdbac170643bec3aad6cae2725
Markdown86a81126c114d916b1b02fcf46b6e474107e43034ebf6d6be6c1b4be3d0e22c8
PDF
Publication pageffdfa78a9ce89efa763e7919afc6e417e04b53fbbf38518787e0cb5363589b82
Manifestf59ca5418f95dfa84f8da4e74d59a24eb26f6bd4aa827086112ceb4bb64f5382

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
SignaturePKw6qFkvgnbzE2BXPf6LKu78aYvU78hxoGUvWd+n5rFDpl1I5Onmexa7EgKrs1CZgkDgT1lB9DDEmMBq5SqhAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:33:06.111348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032280
observed ffdfa78a9ce89efa763e7919afc6e417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.092925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032280/manifest.json
observed f59ca5418f95dfa84f8da4e74d59a24e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.072665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032280/publication.md
observed 86a81126c114d916b1b02fcf46b6e474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.040200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032280/publication.txt
observed 18933d081843fcf7690b4539661e2c2c...
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.