OpenTechnical

OT-2026-000027194

Publication integrity record

Foam pad vacuum gripper, 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-2026-000027194) never changes.

Identity and time

Publication numberOT-2026-000027194 · never reused
Internal UUID01a0ae72-3454-790c-b955-556ead699d21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027194
StatusPUBLIC

Content hashes

Canonical text3f9bd3810281b928f148581fd398cb6ebd32a3be02d70c2171e8e47d03a36c48
Markdownfea5e66006724900f07d8a0d773026b2bab1c06c603c0f57df849bce2933d208
PDF
Publication page24fd7c6f93d29f001ae9218f9dfc17320d928634fbf6c0fea867194dceff8462
Manifest1efd1f9c3a3413a986d6ea221df5665a14c7d46b652026f31c9ac4f6e9e40902

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
SignaturefZcOgPTD0U740qDSIZixikrDGKrOVV9Ws1EzhMC/gCMErn6sx6ZM/WNFdnt2/afUsaI+zdCDJBZxla91Eua6DA==
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

2026-09-17T11:44:04.993716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027194
observed 24fd7c6f93d29f001ae9218f9dfc1732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.977083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027194/manifest.json
observed 1efd1f9c3a3413a986d6ea221df5665a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.960181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027194/publication.md
observed fea5e66006724900f07d8a0d773026b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.943346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027194/publication.txt
observed 3f9bd3810281b928f148581fd398cb6e...
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.