OpenTechnical

OT-2026-000021322

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000021322) never changes.

Identity and time

Publication numberOT-2026-000021322 · never reused
Internal UUID01a0ae6f-865c-79d6-bdff-57f7f57af94b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021322
StatusPUBLIC

Content hashes

Canonical textefb126190f2cb4908f58bc9ebcca6cb04e99518ecb06561b6dd45e5892e6084a
Markdown4dbeebccd98e9df395636e955d8c40d32308ec2ef9104e9daba6a5bc3e0a4940
PDF
Publication page34ca9aa46ac6d9c66cf4c1a6b4e14347108fae49eaa29c090c0570c5e0fb2626
Manifest536d8fc59f78cd1947f2da399fc61b43923b26cddefcc361f99eff35a714f781

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
SignatureHfnCM+kV1wA5c39YPvPN3rzVWEBxrZMQ4VMMytjpfZY3P+W356ywSFKNGU6HkrkI41fUwNjy161rdDbt0KP8Bg==
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

2026-09-17T11:55:10.089394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021322
observed 34ca9aa46ac6d9c66cf4c1a6b4e14347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:10.071207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021322/manifest.json
observed 536d8fc59f78cd1947f2da399fc61b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:10.053799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021322/publication.md
observed 4dbeebccd98e9df395636e955d8c40d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:10.035823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021322/publication.txt
observed efb126190f2cb4908f58bc9ebcca6cb0...
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.