OpenTechnical

OT-2026-000055692

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055692) never changes.

Identity and time

Publication numberOT-2026-000055692 · never reused
Internal UUID01a0ae87-09ca-78f3-a7cf-71bbd68efb63 · 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-2026-000055692
StatusPUBLIC

Content hashes

Canonical text592d670ae86c0cdc77093cad4663fd9a37c04b5b80f4667a18c57a6586f2ff3f
Markdown4c59d72472462172a04b483d247fb7143e6f573b093f76f9219c4644a6e3e502
PDF
Publication page7091a9a112c4b9f3867e6d50f50f4a60d73cdb77bbd9bc848e5906d3d9438daf
Manifest5754a2af87ad9c22953abfa29a873e5282003da9d8e534f0b8fa2dac3bcfa9a0

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
SignatureG64o9qCm1fJexAh4eK4BZPdHS+Jl3FVt5+S8t6alo7IwvqSvkpZdPMlYIpbpUO8/+Gz01jjOb8giEQ5i3cEJAg==
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

2026-09-17T10:51:00.573314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055692
observed 7091a9a112c4b9f3867e6d50f50f4a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.555332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055692/manifest.json
observed 5754a2af87ad9c22953abfa29a873e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.537216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055692/publication.md
observed 4c59d72472462172a04b483d247fb714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.461489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055692/publication.txt
observed 592d670ae86c0cdc77093cad4663fd9a...
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.