OpenTechnical

OT-2026-000029403

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000029403) never changes.

Identity and time

Publication numberOT-2026-000029403 · never reused
Internal UUID01a0ae73-5e20-712c-8d88-81160ef7e464 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029403
StatusPUBLIC

Content hashes

Canonical text20c9f782ef2c1e4c13eb1605e08df0184e85cbc0c3dc270a75348b2e5b7222d6
Markdown82510c3f512e6106a45a2df31afd196afb89c9dc2962372041dfb008fb3af3b8
PDF
Publication page0547b1b2d2fb0fafd7f44b8c30274c0b5a6b64dbce882edca3dd020fe867006b
Manifestfbb7e5c9726264eec8285fa77f61d62fc94b4a93f6bcbba52b1e0a9519d360ba

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
Signature2l5DZnfbEn8j2zsF4qCcU3vW8cT/KKaQH9ZmY99VJl+0NJkiRTshzTkJDaw3u/zXo9Kd589HBT4dwZuZHMZlCg==
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

2026-09-17T11:38:59.932926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029403
observed 0547b1b2d2fb0fafd7f44b8c30274c0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:59.915042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029403/manifest.json
observed fbb7e5c9726264eec8285fa77f61d62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:59.895474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029403/publication.md
observed 82510c3f512e6106a45a2df31afd196a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:59.868625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029403/publication.txt
observed 20c9f782ef2c1e4c13eb1605e08df018...
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.