OpenTechnical

OT-2026-000034120

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000034120) never changes.

Identity and time

Publication numberOT-2026-000034120 · never reused
Internal UUID01a0ae75-df0c-767c-8ec4-0de4360463d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034120
StatusPUBLIC

Content hashes

Canonical text3420404a02bf44ad2af5fc5dda290b4af8c2e125dcb14d7a653679d8d90b6c44
Markdownfa94527ee4b3a48872436cef17830f3ac1bf920a41d02919354ee518037d2e74
PDF
Publication pageeade90d3ecdf19d874cd35ab641587e14b2e7744bc3879239391f96c6268eb61
Manifest80c3d3659a1c67b97030f0bdd7492513e5659b599d2a70ac8b3256dd577142a7

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
SignatureaOeCukuZGbChHrcVZEmP7wJO0FjIUfUQ6BGgPN7tHJuzp2BeObrBzqmi08M6JkpgOZlytTcNWETGLWkEo3FkBg==
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

2026-09-17T11:30:30.566185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034120
observed eade90d3ecdf19d874cd35ab641587e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.549847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034120/manifest.json
observed 80c3d3659a1c67b97030f0bdd7492513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.533093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034120/publication.md
observed fa94527ee4b3a48872436cef17830f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.512834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034120/publication.txt
observed 3420404a02bf44ad2af5fc5dda290b4a...
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.