OpenTechnical

OT-2026-000095230

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000095230) never changes.

Identity and time

Publication numberOT-2026-000095230 · never reused
Internal UUID01a0ae9f-8f70-7b03-83e3-b169349a6eb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095230
StatusPUBLIC

Content hashes

Canonical text67fe4775dc94d0d39c70cc8d161f9967202da2ea0d1bf9d0e2578e439dd5a02d
Markdown1ab4153a1a6987cb773fdd289d403b827e47f4c9d497a7802c48e51720480f2b
PDF
Publication paged92905561e50fb1aa2ab8d672aae4921c36d661e69cf0e557372b33c985260e0
Manifestea79fb6b153d084614e433465faada182770310438a9e79ad8f63815788bb916

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
SignatureFLcPMj86XKeV/2D7qXtHmtytXpdncPu8dkreZhZJJFtoMV4xONkcF/8BkVzfHR8BhLI2gGZ6OJP8xPIzqzMdCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:33.220698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095230
observed d92905561e50fb1aa2ab8d672aae4921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.203057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095230/manifest.json
observed ea79fb6b153d084614e433465faada18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.182716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095230/publication.md
observed 1ab4153a1a6987cb773fdd289d403b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.162401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095230/publication.txt
observed 67fe4775dc94d0d39c70cc8d161f9967...
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.