OpenTechnical

OT-2026-000091915

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091915) never changes.

Identity and time

Publication numberOT-2026-000091915 · never reused
Internal UUID01a0ae9d-43ba-7cbe-9919-7ea9f1afaadf · 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-2026-000091915
StatusPUBLIC

Content hashes

Canonical text6d3b725663b87bd1d14471ff0348b6d0171c80405518fd480ce15d7bd5d5f295
Markdown50e61111c2453f3aa2cc242ec7501d5199cd1e1c35c1a998be47a92565af6237
PDF
Publication page40043043f6b809a3c13cd0862b7852f994024c09df231c42ddfdcd9d9d3e8177
Manifesta2d873411281056bf1d4ad16ea73f3435daa37e0d03ced5a49301b61a28a70e2

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
SignaturePBUr/SLieNZyTgpL2ual2URTlUhAzpKvwz/U1wtziWM6MLwIC8ID9ivfcrRWVa5uzgm2XP5IeYMTsuFQTDP8Cg==
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

2026-09-17T09:42:51.299149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091915
observed 40043043f6b809a3c13cd0862b7852f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.283572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091915/manifest.json
observed a2d873411281056bf1d4ad16ea73f343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.267646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091915/publication.md
observed 50e61111c2453f3aa2cc242ec7501d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.250911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091915/publication.txt
observed 6d3b725663b87bd1d14471ff0348b6d0...
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.