OpenTechnical

OT-2026-000018054

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000018054) never changes.

Identity and time

Publication numberOT-2026-000018054 · never reused
Internal UUID01a0ae6e-96fd-7ab1-9deb-0b1bb8304436 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018054
StatusPUBLIC

Content hashes

Canonical text1ef56ee91d9b45be59914a1d491e68868aad2cea109a8fde9309466694c7c2e1
Markdown6e0ff61f20af4d51ccc3d460e0d2676dddcf0f77ec8abfe19dbdf5e634da55bf
PDF
Publication page4fa89e4a708f4bef22670436fe3d477ee06ef4a167de2b76ace8f6848d9e3cd1
Manifest5a5dbd0ee1c0db2fef6d2424fcc223cd586e0f3adc69aedba3a7b16b85e91756

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
Signaturevc61upTeC/iVOYBhZy2EawAnuA4gMUgMWdQtrbY+joQ4ZS62HLC6GPd0yH1TnVBfMNbFlvoE2A/2VKH1GChqBw==
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

2026-09-17T12:02:05.495093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018054
observed 4fa89e4a708f4bef22670436fe3d477e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.479618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018054/manifest.json
observed 5a5dbd0ee1c0db2fef6d2424fcc223cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.462722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018054/publication.md
observed 6e0ff61f20af4d51ccc3d460e0d2676d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.444740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018054/publication.txt
observed 1ef56ee91d9b45be59914a1d491e6886...
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.