OpenTechnical

OT-2026-000068344

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000068344) never changes.

Identity and time

Publication numberOT-2026-000068344 · never reused
Internal UUID01a0ae90-2480-7029-bdc1-b6b3f43b91d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068344
StatusPUBLIC

Content hashes

Canonical text2a2f1e3ab77d914cff94c751d0db9ea070a8d07c06fd9716aac277f29550cdab
Markdown85b6fef8c95cac90c4f6ffc4e4228e4d45ed84bf528368316b293475fce68564
PDF
Publication page2a9ee8243dc21d64f8bc4047ffe8708356853e97d5f00f33e2478b09fd2de2be
Manifest65bcabf8608b30e71c11a42e46225e75b24e4b10be8494296fdef71d05221f2c

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
Signature373L3xi5g3Rt8uGI80xHcN5zUsmIyZE6Bh6Ojn1qAQoOBX3yLydsaavrymL/i9QAb6QHWFXIO/dvKbhpjUs8Bg==
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

2026-09-17T10:29:23.330523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068344
observed 2a9ee8243dc21d64f8bc4047ffe87083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.314060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068344/manifest.json
observed 65bcabf8608b30e71c11a42e46225e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.296280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068344/publication.md
observed 85b6fef8c95cac90c4f6ffc4e4228e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.279473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068344/publication.txt
observed 2a2f1e3ab77d914cff94c751d0db9ea0...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent