OpenTechnical

OT-2026-000030713

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000030713) never changes.

Identity and time

Publication numberOT-2026-000030713 · never reused
Internal UUID01a0ae74-3fb3-79d7-8e8c-b3dfe711411e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030713
StatusPUBLIC

Content hashes

Canonical text8f9c639bcac9041e5034e04326c618c5e6cd7524d48c8fe737255e08dae584ea
Markdown4019cff4706a39934d10295b5fc2a5b8fdc8ab7b4ab0bf1854ff999859003a02
PDF
Publication pagec7e5fa6a6c825ea869fc9c90b71813dfe7b1cf62c9a29333aa1788050c682031
Manifest5e84001fe706e5094b4efb30e83621e8a4f9da4aeccfbea50baba88ddf00e8ba

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
SignatureA6ivAHcS7okRbGdbPkonFT9/eyLeBWR3mhEmjZsc2GiiOV/Efc6eDNBY+c8nSL/Ka8xAbUPeh7Hu9yBAgOTkDw==
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

2026-09-17T11:36:38.228776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030713
observed c7e5fa6a6c825ea869fc9c90b71813df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.211741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030713/manifest.json
observed 5e84001fe706e5094b4efb30e83621e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.193891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030713/publication.md
observed 4019cff4706a39934d10295b5fc2a5b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.175722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030713/publication.txt
observed 8f9c639bcac9041e5034e04326c618c5...
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.