OpenTechnical

OT-2026-000055913

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000055913) never changes.

Identity and time

Publication numberOT-2026-000055913 · never reused
Internal UUID01a0ae87-0a4a-7579-ad93-611e76127e74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055913
StatusPUBLIC

Content hashes

Canonical textec69611fd7f2c7c90a93a2341560b3ef9f1f67c5b515c64ec09b24e974c9290d
Markdown99405e56dbc6d87d593a6a4ed04f60ef7d2a9eaf8098b9ed2fdd161f7244e40d
PDF
Publication pagecfdad3bfcb7f3297b072cd086ec0aa81cbbcc5cbd941fcf49417f7977ab4fe1e
Manifest3a6a7412d7e5bf801fc4488e758fed21c3c116d83114cbde2c4c5c81998ecba1

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
SignatureE092MuzMRweB2pOKXD0ZUBjzBM+45Et5//xDWF6BvknnL2dRJU17eS7VYmPwlIka3+14PIgmlw7+SlChV5zfAQ==
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

2026-09-17T10:51:25.010542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055913
observed cfdad3bfcb7f3297b072cd086ec0aa81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.992392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055913/manifest.json
observed 3a6a7412d7e5bf801fc4488e758fed21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.974113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055913/publication.md
observed 99405e56dbc6d87d593a6a4ed04f60ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.955616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055913/publication.txt
observed ec69611fd7f2c7c90a93a2341560b3ef...
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.