OpenTechnical

OT-2026-000040239

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line 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-2026-000040239) never changes.

Identity and time

Publication numberOT-2026-000040239 · never reused
Internal UUID01a0ae79-26ff-789b-a575-e450e6f091c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040239
StatusPUBLIC

Content hashes

Canonical text83f26c9d8b1d142a73557f1331ddfa344586e14ebe68f6db6aa7aff1d2280192
Markdownb60647d83825a19c444ad5a290365ec9cf3ca782a72f0615cf0eaa478d704a73
PDF
Publication page0f0fe62db52a2ab0da675f7c5590bb60fdbe1582e6f31d3e6ee0b0f3c4da1ad5
Manifestbb5d1d1a8e6a74151f230cf9063e208f185d2438886222ec22f3359da6f5e23c

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
Signaturez7mkP+ccEY5fPf2DCEG9QuFNKfVmLAxTrR50mL64EO25/9aAy28jIJhKKRw1v+wDS16PM733pomXm4vPmW+rDA==
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

2026-09-17T11:19:07.883475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040239
observed 0f0fe62db52a2ab0da675f7c5590bb60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:07.867782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040239/manifest.json
observed bb5d1d1a8e6a74151f230cf9063e208f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:07.850951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040239/publication.md
observed b60647d83825a19c444ad5a290365ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:07.834069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040239/publication.txt
observed 83f26c9d8b1d142a73557f1331ddfa34...
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.