OpenTechnical

OT-2026-000073552

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000073552) never changes.

Identity and time

Publication numberOT-2026-000073552 · never reused
Internal UUID01a0ae92-efb9-75da-8a98-2a44efd82287 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073552
StatusPUBLIC

Content hashes

Canonical text6e5e1094716df49987b8ac3da2f9bf475279ad545da0c520a3f73f3fb8ade521
Markdown84aa8fbf3f8206cb9e247ad3554cebbd48d4f19cd30343e42e8d48e03382673a
PDF
Publication pagec8fea0742a1de3ebb3212a5b946da3227b4695a1822dd00431c0d4cd40e2324b
Manifestebeba1a9b6a3addcec08acc0e691fea96d1dbfa1bc5f3fb52dd8f2a9a913d7de

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
SignatureC+vSSqYknT7plwiJGY6yYUIKdw4vXEl0nl9zfqtdksVoPDRj7RMBborKmXoM9JVcUcKSzHcZH5CjWvsEaPXBAw==
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

2026-09-17T10:21:43.464063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073552
observed c8fea0742a1de3ebb3212a5b946da322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.444262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073552/manifest.json
observed ebeba1a9b6a3addcec08acc0e691fea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.419254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073552/publication.md
observed 84aa8fbf3f8206cb9e247ad3554cebbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.393908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073552/publication.txt
observed 6e5e1094716df49987b8ac3da2f9bf47...
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.