OpenTechnical

OT-2026-000097428

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000097428) never changes.

Identity and time

Publication numberOT-2026-000097428 · never reused
Internal UUID01a0aea1-55b2-7ff8-ac2f-c96d50c34691 · 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-2026-000097428
StatusPUBLIC

Content hashes

Canonical text168d42808449d0b0477958d5db2c84d80244af42bfa7e6bfa3fa614249bbb078
Markdown4e560331939c00822e4746aabdfaf2e30ab6de80d684f6fe4a0df0348b8f68ea
PDF
Publication page929a6763b2b893f4a8604e298f2a8fb3207865f84b307609e141eeaeefbdd5ed
Manifestca53c354fe53539992ccd6e359a222cfd723e8452135385ef98967068add7a34

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
SignaturegmA1DRGKlpCkGYeBOxTBxi7l2KF7xol8/DSsusIK/jstg0HtwxTVWxFOaECVjZE1/JPZfc2qQewVoGmD+P8yDw==
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

2026-09-17T09:33:17.040402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097428
observed 929a6763b2b893f4a8604e298f2a8fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.018845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097428/manifest.json
observed ca53c354fe53539992ccd6e359a222cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.983084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097428/publication.md
observed 4e560331939c00822e4746aabdfaf2e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.946652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097428/publication.txt
observed 168d42808449d0b0477958d5db2c84d8...
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.