OpenTechnical

OT-2026-000099242

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099242) never changes.

Identity and time

Publication numberOT-2026-000099242 · never reused
Internal UUID01a0aea2-8289-70da-8b59-17a2dc638f17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099242
StatusPUBLIC

Content hashes

Canonical textac4fe2e4f1c50560657f2c5237f40760920341e93545394afb77e58e1e5c6be1
Markdown05b8a921eba8e28adfc51c3957d07aedeaba96deef951ad7f1ba71c2da892134
PDF
Publication pagec6bdd442c5654e8df3112544a981ed8b22a388015dce20d7831a7e0308d8fa9f
Manifest84446f93ac59e5a16d48c135417194a5dc36d3eeafb845a9b11a53b744f779bc

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
SignatureTSiPuBsxG9mOvXh21S6G7K38W59koB57mZxU/NStWrojBy1Hd3BbbclF/sdGgnFXcu1o09bfpI5AY+l+Uwt5CQ==
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

2026-09-17T09:30:40.829892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099242
observed c6bdd442c5654e8df3112544a981ed8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.808247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099242/manifest.json
observed 84446f93ac59e5a16d48c135417194a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.787691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099242/publication.md
observed 05b8a921eba8e28adfc51c3957d07aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.767066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099242/publication.txt
observed ac4fe2e4f1c50560657f2c5237f40760...
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.