OpenTechnical

OT-2026-000033168

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000033168) never changes.

Identity and time

Publication numberOT-2026-000033168 · never reused
Internal UUID01a0ae75-4844-756e-a547-9184982d94e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033168
StatusPUBLIC

Content hashes

Canonical text60b43b871d29bad3644dbc14c60cb3f3459a4acf4873ac80c4ca4c7a7236d81f
Markdown0103daf5915d60c7d70d8a1431dcb12d907a2ea40fa2fb5b3d0c654953048e69
PDF
Publication paged46a9969294407b29e9b5001e88ab007fc84f3bba36884a6ee49fe6395537b09
Manifestc85449adbc36f1bdba4b37769880d26b2d64777377e9b334295769bd211012fc

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
Signature8lEG22tQgN0YT/wIUy7oNVQYtAlT7Lah4IZUQXbjDm1H4ypluYoq8BqPWtVI9zOcu649rgvqC+pBw7euGxkbBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:51.538618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033168
observed d46a9969294407b29e9b5001e88ab007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.521833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033168/manifest.json
observed c85449adbc36f1bdba4b37769880d26b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.505416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033168/publication.md
observed 0103daf5915d60c7d70d8a1431dcb12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.489612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033168/publication.txt
observed 60b43b871d29bad3644dbc14c60cb3f3...
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.