OpenTechnical

OT-2026-000055353

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000055353) never changes.

Identity and time

Publication numberOT-2026-000055353 · never reused
Internal UUID01a0ae86-a100-7248-8f29-cb41efa33e32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055353
StatusPUBLIC

Content hashes

Canonical text8b021ad7889126d17a86265a9a2476e49038ee6b1cea27c4078fca63bc1299fa
Markdown4a01d275af0321421b0480c56644716b0e8df121298d19cd68500d76ad3b1932
PDF
Publication page521684752aa27e43fada960ec00d953ff614232b1baa98be10912bf1ce08202a
Manifest939920b6557e1fe985886fbbf72c4145f751260542b879db86534d57d0a75f30

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
SignaturePFW4OW9W/dJSIHb8a7hBHcn0gnJ2xENQilmoI0k1anY0qdppmbwI4SGoYs63CXckppj3Zdfgcfksty6371t2BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:58.789335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055353
observed 521684752aa27e43fada960ec00d953f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:58.772063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055353/manifest.json
observed 939920b6557e1fe985886fbbf72c4145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:58.755807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055353/publication.md
observed 4a01d275af0321421b0480c56644716b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:58.739489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055353/publication.txt
observed 8b021ad7889126d17a86265a9a2476e4...
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.