OpenTechnical

OT-2026-000025052

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000025052) never changes.

Identity and time

Publication numberOT-2026-000025052 · never reused
Internal UUID01a0ae71-2728-7202-9bdb-91d66b0af17d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025052
StatusPUBLIC

Content hashes

Canonical text4c0c421cafe4e423f1b71ad04a250b6e8b438f11c4e5fc90a6ea77d416e31b2d
Markdownd7a080dee8e8ac1c4cb2ed255614f35d856c0a3cd9ae6aafb0e548e7daec5010
PDF
Publication paged9698f72e9ae5fe3b0c3aa70dab6d191029df3ffde88a0a93499198db028921e
Manifest5fb3bde50a619c02b068cd4f1df5b353f46ba597affec4d9cc24c3e2b906b1be

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
SignatureEmRdrs4VIYnxA64TGJ288PQUAVcBeDmkxwOjoM/zKtp12/jGqxNELJHm6aWTEJAYeNIJ2JbhkiJvtCT2xT+JAw==
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

2026-09-17T11:48:27.663244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025052
observed d9698f72e9ae5fe3b0c3aa70dab6d191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.645825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025052/manifest.json
observed 5fb3bde50a619c02b068cd4f1df5b353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.627617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025052/publication.md
observed d7a080dee8e8ac1c4cb2ed255614f35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.608207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025052/publication.txt
observed 4c0c421cafe4e423f1b71ad04a250b6e...
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.