OpenTechnical

OT-2026-000032322

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000032322) never changes.

Identity and time

Publication numberOT-2026-000032322 · never reused
Internal UUID01a0ae75-106d-7835-9770-d7413121afc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032322
StatusPUBLIC

Content hashes

Canonical textabee9c9ffe0b9a18ef67ea956852253f9e408ec7e4a1027849934b4c6b484e21
Markdown252a9ed79faf78204f8545c33bf60fc8f0f79200249084a030d231f34e8a525e
PDF
Publication pageb7ed24bf920a4a0037a62ac4e2ea568cffb572c06ceffdf197d18cd92199470d
Manifest3a666dd53a65256cca4bb036a3eacaf7d0035c742dd47f8d2ecfccb22ce08271

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
SignaturehXoo7hd0tWI4Mu3BJXeVow0qBswukl3opP8XePGCAEEmFW7LuXl/EkPPO3nEBwmyumOHZAEg6ILUR3ICf0HBAA==
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

2026-09-17T11:33:09.607551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032322
observed b7ed24bf920a4a0037a62ac4e2ea568c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:09.589244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032322/manifest.json
observed 3a666dd53a65256cca4bb036a3eacaf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:09.569131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032322/publication.md
observed 252a9ed79faf78204f8545c33bf60fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:09.550554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032322/publication.txt
observed abee9c9ffe0b9a18ef67ea956852253f...
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.