OpenTechnical

OT-2026-000098139

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000098139) never changes.

Identity and time

Publication numberOT-2026-000098139 · never reused
Internal UUID01a0aea1-e963-7689-8201-7f353148cf70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098139
StatusPUBLIC

Content hashes

Canonical text528eaaa6da0b259563982f22ec300bf7115803fd5c7fd01421c309b1ffd8def6
Markdown4fcaad3edfa94caafe6aafc4ababf1c88223176c835e7ca2e17e4b9fca8fe6bc
PDF
Publication page2ae70cef7525f82becd9b46e592f08cfd292775f1c3f35bed0e8aa8ee5d14a54
Manifest32ee81eba64c44d79bc083ceb694e23cd12e6396ed7f483cd9c1d1bf2ef6a4bd

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
SignaturezG+2Cujt5Mi59Fgv5UyQ/p09HINzS/HdUb9t2TELA9LjkXI6dWERQWgh3kJqbUQTlVfnL9fUzIqkoWwOzBLYBA==
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

2026-09-17T09:31:17.130274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098139
observed 2ae70cef7525f82becd9b46e592f08cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:17.112247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098139/manifest.json
observed 32ee81eba64c44d79bc083ceb694e23c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:17.095986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098139/publication.md
observed 4fcaad3edfa94caafe6aafc4ababf1c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:17.078862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098139/publication.txt
observed 528eaaa6da0b259563982f22ec300bf7...
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.