OpenTechnical

OT-2026-000061039

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000061039) never changes.

Identity and time

Publication numberOT-2026-000061039 · never reused
Internal UUID01a0ae8b-137d-77d2-bf31-c79e4f08e82d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061039
StatusPUBLIC

Content hashes

Canonical text7d1913ca94d66b733be480675f4148d6090ba14a54a6b3c1e10228a127b2a61f
Markdownb3f4108d4980f4167a00d34db8a24f81efaef13e4e368a5db80e5793670bca75
PDF
Publication pagec599ed0bc6a8c6307eef83cd082e6e85c1c531b036626795f70920554708d59a
Manifest128ce88221dc9ed749232e98c2e2270e95b7ad6a00393112d34c974a19a2e4ad

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
SignatureLJVXn7Oh4rcrTb+E0tCK8apIKcmb1OY6sq1VlasmhUPvRTalUAJnHbckxF4d8fhM41WAplEXD4F844vBmM2OAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:23.385625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061039
observed c599ed0bc6a8c6307eef83cd082e6e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.369093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061039/manifest.json
observed 128ce88221dc9ed749232e98c2e2270e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.352434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061039/publication.md
observed b3f4108d4980f4167a00d34db8a24f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.334738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061039/publication.txt
observed 7d1913ca94d66b733be480675f4148d6...
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.