OpenTechnical

OT-2026-000029119

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single 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-2026-000029119) never changes.

Identity and time

Publication numberOT-2026-000029119 · never reused
Internal UUID01a0ae73-2aa0-79d6-b4b5-08bfec725a8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029119
StatusPUBLIC

Content hashes

Canonical text29f3c2f97c9104362327a488f95aa2792fdb7e2359c33528188d03f39e31f9dc
Markdown0b3d42ff6a7b9b6e3b1c057010336c2ddc1fa47c34a8346156b8de43f1287e3c
PDF
Publication pagecc824c9f13f340a3bdbd7065d3f1fd4aef5bd33d6dc424575e4a83aac388de52
Manifest6367f293d3c4130dbb10e6c77cb8cb14a32fa41f1c50fdbbf2d45925ef4ece7e

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
SignatureDdbahgnD9vafwIASrw0eBcq37pbFb5JUdsdTGboKpS5ySgUASR51WP9gsm/0sNK+qesTprNrst5//x4eRajAAQ==
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

2026-09-17T08:20:02.695327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029119
observed cc824c9f13f340a3bdbd7065d3f1fd4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:02.545515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029119/manifest.json
observed 6367f293d3c4130dbb10e6c77cb8cb14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:02.527349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029119/publication.md
observed 0b3d42ff6a7b9b6e3b1c057010336c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:02.483459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029119/publication.txt
observed 29f3c2f97c9104362327a488f95aa279...
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.