OpenTechnical

OT-2026-000066237

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000066237) never changes.

Identity and time

Publication numberOT-2026-000066237 · never reused
Internal UUID01a0ae8e-8dc4-7827-96c0-3256c94f7822 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066237
StatusPUBLIC

Content hashes

Canonical textcaa850c9667abe4797819b770957ea028be16e5e4f591c645f5ed821cda898e9
Markdown339490041e556ac9996a1c625ab391ab034f17fe7f65f60edf96e4f04d9b9ad6
PDF
Publication page9e68c03f02c953349974195185e6d9d2d1b814db9e51fcff97b25e01c03adb34
Manifest465691120903ae82217185fffefc294e82bea44b8ab2cb80039b09f4635e4aae

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
Signature8i2W01EiE+aERVIfL52bDkCwWqnh2yx1Wk1ZlfFJ4/tChtsCxslKqeSUG/yGoDGh63xhMS/4mDHwqo2Mohe5Cg==
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

2026-09-17T10:33:24.223723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066237
observed 9e68c03f02c953349974195185e6d9d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:24.207536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066237/manifest.json
observed 465691120903ae82217185fffefc294e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:24.189203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066237/publication.md
observed 339490041e556ac9996a1c625ab391ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:24.170789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066237/publication.txt
observed caa850c9667abe4797819b770957ea02...
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.