OpenTechnical

OT-2026-000097519

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000097519) never changes.

Identity and time

Publication numberOT-2026-000097519 · never reused
Internal UUID01a0aea1-55b4-7471-a05f-ec577a28a450 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097519
StatusPUBLIC

Content hashes

Canonical textefd14692f77923eb551dbfdc20ce798fcbd2c1ade51a972e7b961156116be551
Markdown7b05d19a63e5f10224a2fe9ab11463612e6866486f1650fd7e6c507249ff9b62
PDF
Publication pagea1277423bdaacc7cf514d18a0fc1f432fa9380951d82daf945999d1bbac807b1
Manifest76a063b254b07ce912a6738579c2b2c304c167cae17b5491ed0c5c6498869045

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
SignatureM+jcdvPKJUwJ+JP3xPAdiOG0SrJsHWzjgcgrbsGMSrYsZ9VowRZKmxzHzXUwa5ojDLXKJS8VJrb+HDAMFeQpAg==
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

2026-09-17T09:33:14.876830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097519
observed a1277423bdaacc7cf514d18a0fc1f432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:14.857654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097519/manifest.json
observed 76a063b254b07ce912a6738579c2b2c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:14.837400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097519/publication.md
observed 7b05d19a63e5f10224a2fe9ab1146361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:14.819282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097519/publication.txt
observed efd14692f77923eb551dbfdc20ce798f...
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.