OpenTechnical

OT-2026-000091327

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091327) never changes.

Identity and time

Publication numberOT-2026-000091327 · never reused
Internal UUID01a0ae9c-f16c-775d-ae45-555e0fd2aa8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091327
StatusPUBLIC

Content hashes

Canonical text0f9b635a922354f4b3c41a20c55a2c75a0239cb9f4b060fa215acb9c4b63cba6
Markdown128ab7a552ad17b55815dd7a4e910908d5dab3d5520c2d20fd250fd9427cea09
PDF
Publication page9333eeeb98ebb381389ded05435142dff11080e7c18ce4abe06947474ab0ef8b
Manifestf702571c5f469d5fd921d6794ac045376b628f9895d3d04470ace663e5163327

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
Signaturer24Aag2SMUe14H9vJ+LUSTcx9zJBUIUtO7QFZ3BU5HRR2VuHbkt9MrtYAgCOgn6r2mCsSqIpFP199mR+IGO4Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:31.907639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091327
observed 9333eeeb98ebb381389ded05435142df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.889657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091327/manifest.json
observed f702571c5f469d5fd921d6794ac04537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.872169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091327/publication.md
observed 128ab7a552ad17b55815dd7a4e910908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.852995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091327/publication.txt
observed 0f9b635a922354f4b3c41a20c55a2c75...
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.