OpenTechnical

OT-2026-000018002

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000018002) never changes.

Identity and time

Publication numberOT-2026-000018002 · never reused
Internal UUID01a0ae6e-96fc-7100-aacc-bc69bb993596 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018002
StatusPUBLIC

Content hashes

Canonical text0baebda6f87bfdb1b9707a6e5c2c00e4216e9c1e4b8a3459ab43ab972c655c9c
Markdown7defb91cb0636bc93891415ade69a089cfe8b0e0a58186d87008e07c7bf06c58
PDF
Publication page993e62a73e62f96b02f94cbeea999303db23298c72264df15bb257c95205609f
Manifest083f29722454d3e22a2045f251b4e012b6c8475bcee3ba336b8cabaafb075a62

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
SignaturedVgN2wiKQv8oaqHjwPNL6WA7vjzfRsVgolkUJ6eKEnkFNYURPiSF1aWG99DDRlZCt+iA4NNi9FwB9DR4sb89Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:02:01.414091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018002
observed 993e62a73e62f96b02f94cbeea999303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:01.396827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018002/manifest.json
observed 083f29722454d3e22a2045f251b4e012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:01.379141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018002/publication.md
observed 7defb91cb0636bc93891415ade69a089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:01.361855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018002/publication.txt
observed 0baebda6f87bfdb1b9707a6e5c2c00e4...
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.