OpenTechnical

OT-2026-000030882

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030882) never changes.

Identity and time

Publication numberOT-2026-000030882 · never reused
Internal UUID01a0ae74-3fb5-7207-b247-eaa57b16ec2e · 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-2026-000030882
StatusPUBLIC

Content hashes

Canonical text1184f196836b5107d4879156f4449638371de62643ca602b0c1046a7a809ed3a
Markdown3d03f627f0dfaa70ef369936c505245919f5d5c84cc5116db783c38cb12b3bec
PDF
Publication page54ce3f5200180d5ec68c3ca36db3eb82e97b953c36f9521c4e5152483b51bf93
Manifest6ab82367176179ccbdc8e83149ca7639a2d5042df5d74212582cd45d7d2ba110

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
Signature9yLAefPHDuEwSYlqiO9hhR0DvoXXX2UyuVJcfdRJlzQ1CAqj+IcJEzpOceFVTWM+BhdJtC4mRdqQFdsNhdLZDA==
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

2026-09-17T11:36:51.802176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030882
observed 54ce3f5200180d5ec68c3ca36db3eb82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:51.699437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030882/manifest.json
observed 6ab82367176179ccbdc8e83149ca7639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:51.681186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030882/publication.md
observed 3d03f627f0dfaa70ef369936c5052459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:51.661532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030882/publication.txt
observed 1184f196836b5107d4879156f4449638...
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.