OpenTechnical

OT-2026-000032903

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000032903) never changes.

Identity and time

Publication numberOT-2026-000032903 · never reused
Internal UUID01a0ae75-4842-7778-b569-85bd0c5538a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032903
StatusPUBLIC

Content hashes

Canonical text970c8d1e28136b0a8309d638574d45ce4ee22a322b516c637e80596b1cbb1fe4
Markdown40ec8eb44b8418c4614d56de3413413812e2c1ef1b3d0e33ff81a4c2110b29b4
PDF
Publication pageba27a49324ff9c34da7364be04f8f4fd1c1593c286262f9c08b262eab267f2c9
Manifest6eb90dd8d8fceb4276e8bb1751528ee2452ba9f362d1e650696165ffae8565f4

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
Signaturebo1RZfZKBNuYD2JRk/LmUEW+fiTDfuXWV3/Y6rf5dLT4vq83KXq91h+iSDKfQ2twRrjaQ3LaSZ7A5/+J8aQgAA==
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

2026-09-17T11:32:29.513506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032903
observed ba27a49324ff9c34da7364be04f8f4fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.495897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032903/manifest.json
observed 6eb90dd8d8fceb4276e8bb1751528ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.478292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032903/publication.md
observed 40ec8eb44b8418c4614d56de34134138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.458807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032903/publication.txt
observed 970c8d1e28136b0a8309d638574d45ce...
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.