OpenTechnical

OT-2026-000011148

Publication integrity record

Foam pad vacuum gripper, plant vacuum 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-2026-000011148) never changes.

Identity and time

Publication numberOT-2026-000011148 · never reused
Internal UUID01a0ae6c-540f-7a9a-80df-648d5fa8ad91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011148
StatusPUBLIC

Content hashes

Canonical text0f67347ef7de69b12ca301e1229df1fa3769c5253777c0d450fd03b96ad30ab9
Markdown4dc437be1961e1f6b854d49280e0fe7b113fa4f39c4c25ffe4f862440a494607
PDF
Publication page27ff4cb09519b81afd134373999bbe551a9b703d056df4f931b670cfd2315303
Manifest8233ae8da330a56b6ba66f777c64a2b51d689d233e93fbee2c67ef6aa83bbbec

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
SignaturezqNyAl3AkQZ9xM4XyQiX9HB/7+dkc8WmMqpfoJ2LFm2oaSzhnDfO2KYq3YwumVjwX1nk48waBnZ2tza7tikrBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:14:00.603538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011148
observed 27ff4cb09519b81afd134373999bbe55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:00.585528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011148/manifest.json
observed 8233ae8da330a56b6ba66f777c64a2b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:00.564006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011148/publication.md
observed 4dc437be1961e1f6b854d49280e0fe7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:00.544628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011148/publication.txt
observed 0f67347ef7de69b12ca301e1229df1fa...
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.