OpenTechnical

OT-2026-000075539

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000075539) never changes.

Identity and time

Publication numberOT-2026-000075539 · never reused
Internal UUID01a0ae93-f202-7974-9c70-5c40a6069823 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075539
StatusPUBLIC

Content hashes

Canonical text3abc2193143b6f52c1458854528929c9c532651d1ebd4427061c15c0e088bc0d
Markdowna729f20ff842dfba958db513ca1bd4c9f1dfad94dd9834fd0d78966a3a872945
PDF
Publication pagef1d6368ce22c17ee7d3121d8301ccefaf9594c5769f2f6c8ee05baa20adc83cc
Manifest426b0fa25554a9ce4a9a77f87c0d61023b6b06fb032ca15e5481c8e4c16ec7e6

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
SignatureUWob7OePNZwc6ukUDfNbTj6fEcsr7CVyxhLUsmC2SilmiWP6+2CYJzPe5/GaQeZl0UgYfocAnBJMZViBGh1UDw==
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

2026-09-17T10:18:03.474947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075539
observed f1d6368ce22c17ee7d3121d8301ccefa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:03.455676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075539/manifest.json
observed 426b0fa25554a9ce4a9a77f87c0d6102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:03.310200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075539/publication.md
observed a729f20ff842dfba958db513ca1bd4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:02.549839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075539/publication.txt
observed 3abc2193143b6f52c1458854528929c9...
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.