OpenTechnical

OT-2026-000033072

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000033072) never changes.

Identity and time

Publication numberOT-2026-000033072 · never reused
Internal UUID01a0ae75-4843-7977-892a-b613fd1c1b97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033072
StatusPUBLIC

Content hashes

Canonical text404cb94228922f385509145c7798a45459514597727ca666b713b478c50a5c9d
Markdownd6a6cdb14778031409c7f147facc9d7862f5da37fbac91115ad97749a289e2ae
PDF
Publication pagefddc4bec1b319a72b4b5fa13ec703e4d32f99852621ea8bfea60588afb81f1fd
Manifest25371b508115fe1fafa7a9b08d29c1fa9eccf1467d34210033b6c6ceff98af8d

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
Signature+bxCnud3hUw7my+blZ4DWe4kVmohy9RDLKfpfhFlEQDYiqHgD/e2BdxLKfQ9FgDGDc7uXQff2VIGJncr+TkwBQ==
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

2026-09-17T11:32:43.045965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033072
observed fddc4bec1b319a72b4b5fa13ec703e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.028601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033072/manifest.json
observed 25371b508115fe1fafa7a9b08d29c1fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.010509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033072/publication.md
observed d6a6cdb14778031409c7f147facc9d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.991265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033072/publication.txt
observed 404cb94228922f385509145c7798a454...
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.