OpenTechnical

OT-2026-000030716

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer

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-2026-000030716) never changes.

Identity and time

Publication numberOT-2026-000030716 · never reused
Internal UUID01a0ae74-3fb4-78a0-874d-85a3d9070b2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030716
StatusPUBLIC

Content hashes

Canonical textc8e752480c7d9240a7635337eb3d7474a6fb0418ae1ef68d743aa40b642455ed
Markdown683067e71800872af0cabf39ba685af39fe0a0a3b0a5d14bec37f516293abc92
PDF
Publication page31f98f83e37ce8a152f7d2ceef0f29481a33cd59de9ab9f7b9eb0e34e62d7396
Manifeste9dc9f241dd9ce95defdf65b213c9c16538b534b437b7e730c232d70dded4ed1

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
SignaturebrzUq0+0MPGnyYi9isILbzxYYIZmZS6jgpsd/dmFBCNN8ABmiCFr2ZdOliy2X0CT5kQadGSjqzjvNC58yaBADA==
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

2026-09-17T11:36:38.463175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030716
observed 31f98f83e37ce8a152f7d2ceef0f2948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.445315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030716/manifest.json
observed e9dc9f241dd9ce95defdf65b213c9c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.425342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030716/publication.md
observed 683067e71800872af0cabf39ba685af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.407334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030716/publication.txt
observed c8e752480c7d9240a7635337eb3d7474...
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.