OpenTechnical

OT-2026-000097380

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line 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-2026-000097380) never changes.

Identity and time

Publication numberOT-2026-000097380 · never reused
Internal UUID01a0aea1-01cb-73b8-8e95-2a37ef8024bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097380
StatusPUBLIC

Content hashes

Canonical textbe567d5c57ffb26a87b119e4966c55ff16e14b4f40ddbb80f11105c0938aeeb0
Markdown2b97d73eb371e00bb017bbb599f5f8562f5abe3d73beb451c87bc45861e28e1f
PDF
Publication pagee7e8a043c8b83313732bbb3bf5015d09dc386fb6e0e8a8451e61d5b66fb75cf7
Manifestdd089cfb68586ae3c5c72378b1494089ca3be9289ea20f603b6d2de6e305e84d

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
SignatureeXjx0mIHm1+ynQdSriDqWf5et/ntyOf2Wwo+tSBZ2o3A6h/xgDb+Q3qG4+T+U4LzPePFHRQG52ldM9hENwfGCA==
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

2026-09-17T09:33:39.618452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097380
observed e7e8a043c8b83313732bbb3bf5015d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:39.602150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097380/manifest.json
observed dd089cfb68586ae3c5c72378b1494089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:39.583811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097380/publication.md
observed 2b97d73eb371e00bb017bbb599f5f856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:39.567302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097380/publication.txt
observed be567d5c57ffb26a87b119e4966c55ff...
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.