OpenTechnical

OT-2026-000090242

Publication integrity record

Foam pad vacuum gripper, two zone face, single 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-2026-000090242) never changes.

Identity and time

Publication numberOT-2026-000090242 · never reused
Internal UUID01a0ae9c-428f-7ed3-a22c-c0f1bdadaa12 · 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-2026-000090242
StatusPUBLIC

Content hashes

Canonical textd0e5e0bcc4771e0f3c8f4abe341dd7af2195478d8aedc56f133f58b920b4988a
Markdowne4c8c9541e9c94f35afd547dbdd96e6306cc4fd6850b3816f940c757720daf5d
PDF
Publication pagea3d995bcde9daee409758a78102e652a94f69499a77c1f52fdcf663035e01252
Manifestf11708cf2a6c8f1cdeda4270816370a55e4fd964a69505b3a15206907640797d

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
Signaturef+fd/X3WGvaODHIXpE/wFZ00UkrzJvlFFJnCx9ETuLnv+PonfsxWTsMdoFD6JMVta1PHsdZaW4iAP932VTa/Ag==
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

2026-09-17T09:46:19.543687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090242
observed a3d995bcde9daee409758a78102e652a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:19.525553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090242/manifest.json
observed f11708cf2a6c8f1cdeda4270816370a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:19.508318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090242/publication.md
observed e4c8c9541e9c94f35afd547dbdd96e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:19.491872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090242/publication.txt
observed d0e5e0bcc4771e0f3c8f4abe341dd7af...
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.