OpenTechnical

OT-2026-000056689

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000056689) never changes.

Identity and time

Publication numberOT-2026-000056689 · never reused
Internal UUID01a0ae87-7af6-71c5-9410-2dbee101d3b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056689
StatusPUBLIC

Content hashes

Canonical text52227d1082cb5245c16e1516dcf0e8fe74f22534483255cbcbac9606343979ce
Markdown5e91d6a834e7924bc83393225312dcfbf45dbe20805e50007d1d8599dcb32469
PDF
Publication pagec2a8b18a9ff68a5f7734b14dd7c1bf33eb512d6e13f1abde8b1e241dadc8ad68
Manifeste05c84b791511205a0e0f4d95c4ed967a1d228007f8cbb139c27d3bc4e9568e1

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
SignatureNeSFh7BBga6VbVz9+DN8yPzsPP0V39MqGVmWuDvx4KEAgmYV3+zXMNpZke5meiy/JYYxSaZaCHygqdbjovmjBw==
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

2026-09-17T10:50:05.574766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056689
observed c2a8b18a9ff68a5f7734b14dd7c1bf33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.558078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056689/manifest.json
observed e05c84b791511205a0e0f4d95c4ed967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.542447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056689/publication.md
observed 5e91d6a834e7924bc83393225312dcfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.524120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056689/publication.txt
observed 52227d1082cb5245c16e1516dcf0e8fe...
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.