OpenTechnical

OT-2026-000054306

Publication integrity record

Two pad foam 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-2026-000054306) never changes.

Identity and time

Publication numberOT-2026-000054306 · never reused
Internal UUID01a0ae85-b3a9-7424-9666-dda035824c65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054306
StatusPUBLIC

Content hashes

Canonical text6aa058d794371539d81d174e956dd7ce0b53dc41f4dbc45568c58d00505a547b
Markdowna31895b6eac95a3c4fce3cffe96c66c9aaec7a6b483cba48853b28a6a1af5a15
PDF
Publication page19ab15c1fb9daf65aaaed0ad8b45900edefe52189685127241d6fa4ac79cad05
Manifest84b9e43d9b83aa699f9298a14f56a6e7a6f2a7fb52f8562c138f644e931b0994

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
Signatureuf7kM/w6cLrFW4BnEa0VSUHvD+kIxo7EdPeB7zKoY5FPxRnPZ/R0sCGU8uybXa6hR2S5uKCK1lxB0YVVvDr0Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:48.522317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054306
observed 19ab15c1fb9daf65aaaed0ad8b45900e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.502606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054306/manifest.json
observed 84b9e43d9b83aa699f9298a14f56a6e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.485636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054306/publication.md
observed a31895b6eac95a3c4fce3cffe96c66c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.466228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054306/publication.txt
observed 6aa058d794371539d81d174e956dd7ce...
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.