OpenTechnical

OT-2026-000040724

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000040724) never changes.

Identity and time

Publication numberOT-2026-000040724 · never reused
Internal UUID01a0ae79-6d0f-7294-ad01-3a61edde1fdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040724
StatusPUBLIC

Content hashes

Canonical text5d708298ebd9857c2932c3c94d6e65f743338cb16521905238ccbd6f78531e92
Markdown545ea42233d9acb6a12a1c400b3534468ea7b15036bc1866709659382b92d102
PDF
Publication pagee1ddf57dc5cbee94986eccdbe2267382b31c5bcdc76690aae569f114e2b2b488
Manifestdee34bd5d1aa135d2abd3da794915b85e96d5313464d64965ea6842fbac065ea

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
SignaturedmJXI64XQ3qeZ7U78ZhKW/WP5efta4tBk4xOlJLS2Z2SnWEfgZqdQCvrnQwxVr2Q5mV7vAtmh8EiovE//g7lCA==
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

2026-09-17T11:17:59.774353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040724
observed e1ddf57dc5cbee94986eccdbe2267382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:59.746891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040724/manifest.json
observed dee34bd5d1aa135d2abd3da794915b85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:59.725196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040724/publication.md
observed 545ea42233d9acb6a12a1c400b353446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:59.706539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040724/publication.txt
observed 5d708298ebd9857c2932c3c94d6e65f7...
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.