OpenTechnical

OT-2026-000041328

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000041328) never changes.

Identity and time

Publication numberOT-2026-000041328 · never reused
Internal UUID01a0ae79-b144-79f0-91e9-80b0dba36c5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041328
StatusPUBLIC

Content hashes

Canonical text9d51b673b380d6986bb1f2238eb1f7e2274cefaf51d76c7978670092bb73ffb1
Markdowna6e455a5aa4a35d89445519dd0242ddbc1fa27a0cba94beb38f8a549b53f7d01
PDF
Publication page372ad16c45d4e896ecd9dfb476753f9ebc72b71533ef9265fcde1a19adf0cf99
Manifesta776b058f12ec2ca72793f34ff524c633409cba43c764ae2e04992079739b89b

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
Signaturem+C0auulnNIXteaPmxSExqofo0grceexAAXSqmIW0OJjfVjp7Qz/gQkOkBVomfYx++llIEFbJwZDjrO4gVxCCw==
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

2026-09-17T11:17:19.245511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041328
observed 372ad16c45d4e896ecd9dfb476753f9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:19.227842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041328/manifest.json
observed a776b058f12ec2ca72793f34ff524c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:19.207787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041328/publication.md
observed a6e455a5aa4a35d89445519dd0242ddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:19.188724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041328/publication.txt
observed 9d51b673b380d6986bb1f2238eb1f7e2...
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.