OpenTechnical

OT-2026-000005933

Publication integrity record

Vacuum cup gripper, common isolation valve, four outlet manifold, pump fed, vented after 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-2026-000005933) never changes.

Identity and time

Publication numberOT-2026-000005933 · never reused
Internal UUID01a0a949-a888-7efa-ad55-25378dea72b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:16:11.914755Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005933
StatusPUBLIC

Content hashes

Canonical text0f7be583c19699163c288dcda541ce20cc2287cbf71f92ec491819d2127fdb0f
Markdown19d470d80367082ea5a83d164ab94fd9edd99df1eb4903f6af04b24487b8d776
PDF
Publication paged4fd8966108f29c37d277d3f923c73e04fb21e410db89793ce8158b52f2a5bd1
Manifest716da1771916a755a3231616c8bc8e47cf020dedd842584ea957bfa46c94ee47

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
SignatureS2L1aohiPvBG/wVRJ355egBjW/DKJScuaHOJbWLqF7RYUHKv/AJz+vHZqoDorCfBuDUPH3SycVFR5tVnWX31Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:15.745341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005933
observed d4fd8966108f29c37d277d3f923c73e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:15.726657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005933/manifest.json
observed 716da1771916a755a3231616c8bc8e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:15.711434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005933/publication.md
observed 19d470d80367082ea5a83d164ab94fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:15.696682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005933/publication.txt
observed 0f7be583c19699163c288dcda541ce20...
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.