OpenTechnical

OT-2026-000074186

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000074186) never changes.

Identity and time

Publication numberOT-2026-000074186 · never reused
Internal UUID01a0ae93-7178-7c1b-85ea-d6de8143e480 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074186
StatusPUBLIC

Content hashes

Canonical text8f6a19339575887ea7574a6768c3b5fb985fd99379da6f7f1527d73e134c0d6d
Markdown4f37573b1279c56c0a874397ad358887a233a964a75b061c682e815df49a1582
PDF
Publication page18906a44cc0bc782bc71efbc86b483cdafdfc45e3564936b0267051099da32c7
Manifestc3c743c3de97f0b6ed8ce51e3117e9b33ef3a1cf83f924b8cee6c7f74472e63f

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
SignaturehRWAvX3qxPk4xgJxSrA0inOZpt78PBsvZEQ+8HbhEadOnQzpNoToiN603bs/2y2oXviL0S1isr+CtzLu/enOBQ==
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

2026-09-17T10:19:02.343853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074186
observed 18906a44cc0bc782bc71efbc86b483cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.327053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074186/manifest.json
observed c3c743c3de97f0b6ed8ce51e3117e9b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.309347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074186/publication.md
observed 4f37573b1279c56c0a874397ad358887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.284416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074186/publication.txt
observed 8f6a19339575887ea7574a6768c3b5fb...
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.