OpenTechnical

OT-2026-000090011

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000090011) never changes.

Identity and time

Publication numberOT-2026-000090011 · never reused
Internal UUID01a0ae9c-428e-7099-848a-3757fdd5b7cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090011
StatusPUBLIC

Content hashes

Canonical textfc1938a49f74762408fcbe2d6853974bdcbc16e2e9220d064ea7bcccb4dbe5c6
Markdownebca7df88cf2afe151bcf305c9303d3d45656114e01acd91e405d018de96f324
PDF
Publication pagea1e05d6d5e73d97d7cfe48cd10292eb667dfcae40159ae0d2d0750b673b50a58
Manifestdb46ecb53d9c4651533cc180dc5da176b10fb6292077c2d7afd3c4ceaeddc0c5

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
Signaturek4wMPAsGwCpD8LkTKwsAF8Gx8VvoR31/YHYIDsGHzrYKT4h8gcQCWOLFrK76GUGU+wbqHX8+PWoUtL3CNbYSAg==
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

2026-09-17T09:45:24.388616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090011
observed a1e05d6d5e73d97d7cfe48cd10292eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.371281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090011/manifest.json
observed db46ecb53d9c4651533cc180dc5da176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.351271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090011/publication.md
observed ebca7df88cf2afe151bcf305c9303d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.332016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090011/publication.txt
observed fc1938a49f74762408fcbe2d6853974b...
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.