OpenTechnical

OT-2026-000026018

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000026018) never changes.

Identity and time

Publication numberOT-2026-000026018 · never reused
Internal UUID01a0ae71-a83f-710d-a000-c1d5d590a83e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026018
StatusPUBLIC

Content hashes

Canonical textbb6e4d5626fdfc5be79ab3682e1010842ebb849a56d2846b7c7b8916b1dc03ea
Markdown6d7593e7b49f9ff3945be031038aea914c85199052806deaa1abfb3eec2900dc
PDF
Publication pageddefd7ae4670520380976538402fbbb76722c2bb1563bc21509d83224cc733be
Manifest38e57936b3add02fbeaf46c2eb32f67c85334266e1930f09241d4bd441862798

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
Signaturek+leLi7NnMpGUtZTO+g/NtJw+Z+iZxaeCW6oIWNWDYTvbD50+ps/bbNKJhTPvUtqP2g+gh0prhXO1IEqiDf5Dg==
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

2026-09-17T11:46:24.105602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026018
observed ddefd7ae4670520380976538402fbbb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.088002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026018/manifest.json
observed 38e57936b3add02fbeaf46c2eb32f67c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.070716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026018/publication.md
observed 6d7593e7b49f9ff3945be031038aea91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.052439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026018/publication.txt
observed bb6e4d5626fdfc5be79ab3682e101084...
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.