OpenTechnical

OT-2026-000027212

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000027212) never changes.

Identity and time

Publication numberOT-2026-000027212 · never reused
Internal UUID01a0ae72-3454-72aa-95e8-0a0bb4628dc1 · 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-2026-000027212
StatusPUBLIC

Content hashes

Canonical textb6b1ccd44c440c0d3f6195f0c56fe339ac7141ca4ccc3e06971fe94c8c4e7ca3
Markdownd2d3651a4e10f204846f0b7dda109aa4dafacd194930fe6d22b95d45a1cd849f
PDF
Publication pagea227862ea1884f6dd66a6d6bcd406e0f17ef385c1c8c9e980c753a2ddfe1860f
Manifeste9bdaf298169cf0215468363fc55477f14074e9c8437816c0e0b0da3fb211dcd

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
SignatureP1mdhbK9MZ7uo2LLX868sC8eniug+L+whSVeBEZ8NuSJfJ3FZ4Jfoi565Nhxu/h7KnrtcHDO3c3HvaGBXJNQCg==
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

2026-09-17T11:44:06.222145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027212
observed a227862ea1884f6dd66a6d6bcd406e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.204386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027212/manifest.json
observed e9bdaf298169cf0215468363fc55477f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.184439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027212/publication.md
observed d2d3651a4e10f204846f0b7dda109aa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.167633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027212/publication.txt
observed b6b1ccd44c440c0d3f6195f0c56fe339...
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.