OpenTechnical

OT-2026-000030034

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000030034) never changes.

Identity and time

Publication numberOT-2026-000030034 · never reused
Internal UUID01a0ae73-ac4a-7f91-a907-8727a892b31a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030034
StatusPUBLIC

Content hashes

Canonical text40bbe386eb219a502fa4d70958502ff20283d9e5554386359b88bb3910cde72f
Markdownbb5de3e024881e02e0615782677ea1b99a6c79a88959061e111cf8a3a63da40a
PDF
Publication pagee71fbf76c617703b70108a4dc0e16d134ea2862280eb0f4c1a772b3361012618
Manifestc4f6b643cf2adebde5c1928ca403404054cdc05abb9c5670e7d2b3568bd01c82

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
Signature3qblC3M6sCZImqeu5wGOGlHg61+bb9ZrKUO1WjwuR9CM4ngQKO3KHcbEjsi7fdlfPyYVMHuA61MPnDofn4VyAw==
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

2026-09-17T11:38:46.302474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030034
observed e71fbf76c617703b70108a4dc0e16d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.281453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030034/manifest.json
observed c4f6b643cf2adebde5c1928ca4034040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.263837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030034/publication.md
observed bb5de3e024881e02e0615782677ea1b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.245029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030034/publication.txt
observed 40bbe386eb219a502fa4d70958502ff2...
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.