OpenTechnical

OT-2026-000054411

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000054411) never changes.

Identity and time

Publication numberOT-2026-000054411 · never reused
Internal UUID01a0ae86-1282-735c-bcbf-6ded0c9ff7bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054411
StatusPUBLIC

Content hashes

Canonical text70afbaef8395a1377137ed4294f6848baf7bdb2ebbb4a8d4c1c4b99d8874b677
Markdown3d798370cde4f93852f5da80dff8ac7d2980c817701894c1d9a26702e0849ab0
PDF
Publication page68d54a8cd01130a990273c9fde8229ff4e8f8205cf69061b2dc148917b2eed69
Manifest8fab80d9eea9c3f73f7eaeeb026072f6f404e2dfa4de62b8b334fca1ace7e0f3

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
SignatureFz2jQRyWoAxWkOsHr5LdTyPogKZ7JJgDp7q7nocI5T9R2BVrB1HQBAb4rIYOc5UQqYxSyZq/4Zst58/NQWB/Cw==
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

2026-09-17T10:53:23.146877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054411
observed 68d54a8cd01130a990273c9fde8229ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.128995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054411/manifest.json
observed 8fab80d9eea9c3f73f7eaeeb026072f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.998932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054411/publication.md
observed 3d798370cde4f93852f5da80dff8ac7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.942617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054411/publication.txt
observed 70afbaef8395a1377137ed4294f6848b...
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.