OpenTechnical

OT-2026-000065729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000065729) never changes.

Identity and time

Publication numberOT-2026-000065729 · never reused
Internal UUID01a0ae8e-46fb-7659-a387-d4f77dcf73aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065729
StatusPUBLIC

Content hashes

Canonical texted8edb04f28ec47636b6b122994882c162886d9a5b54a53bd87a068ba53775b5
Markdown29c0598e1a80ff17eeb0c9d7f691832781360ed4764d5ef45e94357df3890556
PDF
Publication page25a60f1a947cb8606c7ce5294ab7d72c36b7c81ea7084bd618b614abb482bf2c
Manifestcf2b8c0e879a43e5457b6089fa3662363bbdab82b41fe9fd615b682a8bb0e782

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
Signature70odat7AqA+RGPhY3kWMVlQokn7EyhLmGVDZjggajj/uuo9hSSH3lwrjrld2wVr7FSdbStBl11wpNIp06R2dAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:34:09.295211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065729
observed 25a60f1a947cb8606c7ce5294ab7d72c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:09.278001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065729/manifest.json
observed cf2b8c0e879a43e5457b6089fa366236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:09.259462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065729/publication.md
observed 29c0598e1a80ff17eeb0c9d7f6918327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:09.241834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065729/publication.txt
observed ed8edb04f28ec47636b6b122994882c1...
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.