OpenTechnical

OT-2026-000030803

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000030803) never changes.

Identity and time

Publication numberOT-2026-000030803 · never reused
Internal UUID01a0ae74-3fb5-71ba-907a-0b8517c335f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030803
StatusPUBLIC

Content hashes

Canonical text10ab44457c4a21541053101fdf92ca26c8b071e4a9fba88ccf271f150b69740f
Markdownc81d57b7a4dc9edda3b9467d349a9f90295c64252a934b507c75c7d054567d82
PDF
Publication pagea9eba2b4a9e79910971ab1d1fa8a3ab59f2a74a22518c35fae7dd857f95c130e
Manifest19f7ebbafb837718be249780402059c6fb45c78e6ca4aae853bd1308ad15d512

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
Signaturerdbqrp1uRpd7AfUYHuq6k9e60g800NnR6ozUE891JWu2ILZvTfJ2b4/W9M8ul9ZuE+5N93R8oicxFlwNQM/4AA==
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

2026-09-17T11:36:46.495884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030803
observed a9eba2b4a9e79910971ab1d1fa8a3ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.477860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030803/manifest.json
observed 19f7ebbafb837718be249780402059c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.460729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030803/publication.md
observed c81d57b7a4dc9edda3b9467d349a9f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.444009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030803/publication.txt
observed 10ab44457c4a21541053101fdf92ca26...
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.