OpenTechnical

OT-2026-000103852

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000103852) never changes.

Identity and time

Publication numberOT-2026-000103852 · never reused
Internal UUID01a0aea5-15e6-710b-8339-f3644c6d72b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103852
StatusPUBLIC

Content hashes

Canonical text3750e6c4443bb48d4d03e730f8180f64cfb2379f0c8963eee1064d13837a9677
Markdownc5255306ebc5086ac3ecfb143667801717068f802eae460607a6e1eb51c7f310
PDF
Publication page147ce34c249c148a54a156ed4a63dca05a3130e661a9e42cb50631a142216196
Manifest8e7e5a6ffa310382ab6af0a0d08bc22ef3974ea823dcb4e7d682a5325d83420c

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
Signature7f1eCc/3x3a4c/siuhRGCjiOW/GK8vPO0ry3RqE7U2KZ+HNm7aBGQSwxRO0dJSGDCwPBdOjYLDVy4dPvIEU5Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:49.956215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103852
observed 147ce34c249c148a54a156ed4a63dca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.939908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103852/manifest.json
observed 8e7e5a6ffa310382ab6af0a0d08bc22e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.919952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103852/publication.md
observed c5255306ebc5086ac3ecfb1436678017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.902741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103852/publication.txt
observed 3750e6c4443bb48d4d03e730f8180f64...
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.