OpenTechnical

OT-2026-000055350

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000055350) never changes.

Identity and time

Publication numberOT-2026-000055350 · never reused
Internal UUID01a0ae86-a100-7f4d-b1dd-edd4588dd9c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055350
StatusPUBLIC

Content hashes

Canonical texta167f62ee66fe328b55c00da4fcaed4819cf8918a795292b76a235a119b44280
Markdown6c6076b4cf3f46f371c14e90e386736a11157d9798c18b3fbd5bc640cf15be4d
PDF
Publication pagec42e10114e8c92e85ba0b1c842cfe7634922af56c74916fa04765537602813e4
Manifeste54ad4d90305c2d0b2d584060d4390f57964d500ac368a6674bebc8bd336fcc1

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
SignaturexUh0xU24xEq7IGSc9gY5J0oqBHBl4d1v1jwP6iDR8uZ+wpco/XyFtufBPXjad24nqUPN93//AI/Rbml2NhqSCQ==
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

2026-09-17T10:51:58.553987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055350
observed c42e10114e8c92e85ba0b1c842cfe763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:58.535919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055350/manifest.json
observed e54ad4d90305c2d0b2d584060d4390f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:58.518660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055350/publication.md
observed 6c6076b4cf3f46f371c14e90e386736a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:58.501180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055350/publication.txt
observed a167f62ee66fe328b55c00da4fcaed48...
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.