OpenTechnical

OT-2026-000048838

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000048838) never changes.

Identity and time

Publication numberOT-2026-000048838 · never reused
Internal UUID01a0ae80-c32d-7db0-8d81-d68eb95169d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048838
StatusPUBLIC

Content hashes

Canonical textd6cb44818e35fda821621c5f240899d637b256eed45289d2cb75fa279cb56695
Markdown345f04f5d0829ab3f9eb03a8b255d6a32d1360248b7784ac8d7eb328e7273663
PDF
Publication pagee6e893280c18863614c1b49595d6587b85cb02b338b0d6e8452acab4f4016158
Manifestcf47568fac7e20b413f612e610390849f8d217a839e374b16e74706e72fe44ed

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
SignaturengxSZEqkQ2jDKD74flp7WSeHe70MhSxaqS2tI9CiWv2nyVLM+sWCfa+bHglfVINreX2bE5VU7Pd2SF84rnlMAg==
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

2026-09-17T11:04:37.951059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048838
observed e6e893280c18863614c1b49595d6587b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:37.931230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048838/manifest.json
observed cf47568fac7e20b413f612e610390849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:37.911669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048838/publication.md
observed 345f04f5d0829ab3f9eb03a8b255d6a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:37.893121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048838/publication.txt
observed d6cb44818e35fda821621c5f240899d6...
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.