OpenTechnical

OT-2026-000031574

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000031574) never changes.

Identity and time

Publication numberOT-2026-000031574 · never reused
Internal UUID01a0ae74-87af-7976-a821-ab661e4a5335 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031574
StatusPUBLIC

Content hashes

Canonical text5af627f3897a6367492709c77584006c4749f986d8a4bd4e0d7ba20245480f0d
Markdowne7a71aaad61046484e337472adcce6721e8817452bbd8bf63ff5508c5643fb46
PDF
Publication pagef0523bf5408f1bcd8c8b3215f7c37d8303d89131b24d6619fd998535a990f667
Manifeste7efd73e71d5b206507d6f4f422d6edd832ac8e29b1ee96a4e9342d73907fb59

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
Signaturewh97C2wt4vZSZc3/WckbP2Woh0RAzgShNGSHVdzzaF+vI41j/bfkfW35mk0GACP7IovNL2ZNA+3m3PGQos9WBQ==
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

2026-09-17T11:36:25.501385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031574
observed f0523bf5408f1bcd8c8b3215f7c37d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:25.483194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031574/manifest.json
observed e7efd73e71d5b206507d6f4f422d6edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:25.465266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031574/publication.md
observed e7a71aaad61046484e337472adcce672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:25.448593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031574/publication.txt
observed 5af627f3897a6367492709c77584006c...
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.