OpenTechnical

OT-2026-000050388

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050388) never changes.

Identity and time

Publication numberOT-2026-000050388 · never reused
Internal UUID01a0ae82-5c47-76ef-a185-c63dec9c69dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050388
StatusPUBLIC

Content hashes

Canonical texta5f21bc7106a7f4979acfecd7a894d0ac751d804ee2d0a9efdb26086d14126ef
Markdownd5b3206c7ed689d21fa5fa4df855286b8219a0cfa386e272cad3f26b885b29fe
PDF
Publication pageaedb1874568a74ab8ccff5f5c0a2597a39d222c389fe6b340c2f084941736ec3
Manifeste0c18e6f97d6460f7c7df297b74cf42f4d97d49b4db16c52ff13490fec2e4ec1

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
SignaturexIv89R2ZAcDviE8bQxfMErJxVoRTXvpvC+PwdhjNArQ8DUIlbJglZDC64kblArKkFQ8RxSpIDX0AklNobsHRBw==
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

2026-09-17T11:01:25.560475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050388
observed aedb1874568a74ab8ccff5f5c0a2597a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:25.543845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050388/manifest.json
observed e0c18e6f97d6460f7c7df297b74cf42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:25.527508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050388/publication.md
observed d5b3206c7ed689d21fa5fa4df855286b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:25.510129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050388/publication.txt
observed a5f21bc7106a7f4979acfecd7a894d0a...
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.