OpenTechnical

OT-2026-000016936

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line 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-2026-000016936) never changes.

Identity and time

Publication numberOT-2026-000016936 · never reused
Internal UUID01a0ae6e-591a-72ab-8859-009122941077 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016936
StatusPUBLIC

Content hashes

Canonical text69e6adc61a27983b292fcb4c6cde7f3807cf2511c88270278365ebba072c5c00
Markdowne98abd735d71b1bd0a82c3b179c42c052c723b24b92fdbc820f5f05d77e772d6
PDF
Publication pagef5d5b3a6463abcea20786f19dac638d3a5d3c73a7d374ebe54bdd04a8270c1a0
Manifest956b27f5eaba533a2241fc45071f22428ff675932b27d4d49e46489d2320ecbf

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
Signaturei57lf5WYdTOZXRmmt5jtAb+e3Tj4SJb6nVRJ73UkAcnEA2PTnfwPJTsGXDtdRc2Ut2HBEy3Ot0s8BsZfHZjnBg==
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

2026-09-17T12:03:13.188748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016936
observed f5d5b3a6463abcea20786f19dac638d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.171211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016936/manifest.json
observed 956b27f5eaba533a2241fc45071f2242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.154341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016936/publication.md
observed e98abd735d71b1bd0a82c3b179c42c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.137586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016936/publication.txt
observed 69e6adc61a27983b292fcb4c6cde7f38...
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.