OpenTechnical

OT-2026-000092740

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line 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-2026-000092740) never changes.

Identity and time

Publication numberOT-2026-000092740 · never reused
Internal UUID01a0ae9d-b600-79f3-9a31-309eb069c07b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092740
StatusPUBLIC

Content hashes

Canonical textdeaa33bd389ecba466675bf1470246a015f3d0a5d901226467e604d1d3463c52
Markdown8bd085d9ca6164a940bd058896655e3e4037077bd49da174cadc01e4db48b991
PDF
Publication page5e917a95bc454ec2d108b14f284ea4d819c051087b4f5753adea2c3f1c28db2a
Manifest9c1537382c794eef981966406603b9479c161d51a27b65bea702c2f20856c70b

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
SignatureCbw+yRCd2sFWOU5N1qf6y+KUWIXV1Ar+py59Nx0f2phG/lDVtqj3jAJaQP7zx+27m53TdvEP6oaxevdmj7Y6Dw==
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

2026-09-17T09:41:22.003643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092740
observed 5e917a95bc454ec2d108b14f284ea4d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.986287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092740/manifest.json
observed 9c1537382c794eef981966406603b947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.967777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092740/publication.md
observed 8bd085d9ca6164a940bd058896655e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.948550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092740/publication.txt
observed deaa33bd389ecba466675bf1470246a0...
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.