OpenTechnical

OT-2026-000075332

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000075332) never changes.

Identity and time

Publication numberOT-2026-000075332 · never reused
Internal UUID01a0ae93-f200-724e-bc3d-36762496b5d2 · 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-2026-000075332
StatusPUBLIC

Content hashes

Canonical text4ec5209941666409a1c4bb2dc1c01e51146baaa5a186dc7c53994041caf7fb7f
Markdowna8a2fa8d56059c92e7db946944ec777a366c476c198995fc3ab40bb93244ac7b
PDF
Publication pageef4eafe47817cfd28c303260a5ddf5f3e6be53c5fe2f84ca4923b57894ff8174
Manifest02ffaf92dc8c813e1281fef36482bd568b81b47e27ed3c70962addd067bace68

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
SignatureTKYwEXnU/dpECSq6HjTtbRVEXQKrbSQnYINBwMhjn8vaIWSX3D5JDzp655X6roO+kJ4bhna9Ywr6bY6izRlFDw==
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

2026-09-17T10:17:13.044067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075332
observed ef4eafe47817cfd28c303260a5ddf5f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:13.023304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075332/manifest.json
observed 02ffaf92dc8c813e1281fef36482bd56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:13.003668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075332/publication.md
observed a8a2fa8d56059c92e7db946944ec777a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:12.985498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075332/publication.txt
observed 4ec5209941666409a1c4bb2dc1c01e51...
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.