OpenTechnical

OT-2026-000047306

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000047306) never changes.

Identity and time

Publication numberOT-2026-000047306 · never reused
Internal UUID01a0ae7f-3e56-7d4c-8e4c-3dd406ba7370 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047306
StatusPUBLIC

Content hashes

Canonical text2d7ed80d0c3c304ee165fef37e8356a13a28a1a4e6b2adb7761eb95e837cfe4e
Markdown0a1aa33db76c67c8e87605a75623300d77faf4dd2d9b87e217473103741cdbbd
PDF
Publication page5a495c29e4499b481a9a006cce6453445659936756fd538766bb9d135768f89e
Manifestae3b1734db99e7b62ea48602bbfbf67472916755939718df955f661ab90a1ef7

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
SignatureEn6u0V0M1/g47ZA7lKds8QGvuClKYEC5xIC4JS9FdIHwpei1lCLy8Z/89W8GaXJUeShSSs1MJf++CyvZyrftDw==
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

2026-09-17T11:06:17.240397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047306
observed 5a495c29e4499b481a9a006cce645344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.221585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047306/manifest.json
observed ae3b1734db99e7b62ea48602bbfbf674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.204279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047306/publication.md
observed 0a1aa33db76c67c8e87605a75623300d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.186304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047306/publication.txt
observed 2d7ed80d0c3c304ee165fef37e8356a1...
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.