OpenTechnical

OT-2026-000100112

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000100112) never changes.

Identity and time

Publication numberOT-2026-000100112 · never reused
Internal UUID01a0aea3-1474-7f57-99d5-0ccc2f664d92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100112
StatusPUBLIC

Content hashes

Canonical text1c7644cb3b13e525ed76c1d650d6ac3ea56dc669d33323fbe6d52b186a55f015
Markdownbe71d7e8b22cadc6eb5c6091ed9aa57f36986e2dba24ba24aea31c3d48b6a0c8
PDF
Publication pagebebf4daf3b75b2787157ec11af6bdf1d0ad31d03b1b03a62d9116b6d26510b53
Manifestcfea6a6231ebcebe527c161241063469e2e61b57fb083ff829ed139cf3e311ad

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
SignatureTZZpS8vBXR1VH5QYUplDkOMs7z97RrdxJQ3vUW2hGpjozZsqe6FSYhEUkmvqw1C9J8rwKqG/XAIsqionH4xaCQ==
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

2026-09-17T09:29:04.527629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100112
observed bebf4daf3b75b2787157ec11af6bdf1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.510019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100112/manifest.json
observed cfea6a6231ebcebe527c161241063469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.491245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100112/publication.md
observed be71d7e8b22cadc6eb5c6091ed9aa57f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.470737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100112/publication.txt
observed 1c7644cb3b13e525ed76c1d650d6ac3e...
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.