OpenTechnical

OT-2026-000091650

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000091650) never changes.

Identity and time

Publication numberOT-2026-000091650 · never reused
Internal UUID01a0ae9d-43b8-79e7-97da-a727889806b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091650
StatusPUBLIC

Content hashes

Canonical text59007ffede61897bd03d74796faaaedd747122d64d93cc98b61d6e9c056042b2
Markdownaae28d7811ea88c15d1b4a339a6ab4bc4bace5cac520d870fa31356a8cb66631
PDF
Publication pagee52adbbaab046497eddb0653bb058e45059017323c3dada67b22aaf473ff455e
Manifest632695fff64bfab2998bfa6fd9169a2f4d1e6f327174531d3d79c7aea1204eef

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
SignatureZW37+jfN6qhk7iP7xsOaAvzN2iIldBWh9f67IqVxNVuEVNledG2tKt5/rJXTSC5MoES7ODfT4PO2lC5mLQJ0Dg==
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

2026-09-17T09:42:01.389625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091650
observed e52adbbaab046497eddb0653bb058e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.372400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091650/manifest.json
observed 632695fff64bfab2998bfa6fd9169a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.353140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091650/publication.md
observed aae28d7811ea88c15d1b4a339a6ab4bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.335836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091650/publication.txt
observed 59007ffede61897bd03d74796faaaedd...
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.