OpenTechnical

OT-2026-000048925

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048925) never changes.

Identity and time

Publication numberOT-2026-000048925 · never reused
Internal UUID01a0ae81-134b-7765-96ee-7fed8b4b26a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048925
StatusPUBLIC

Content hashes

Canonical text20a80bb143d4aea80a9936b78f9d0b4ceaf36f6485c7baa79bedaa93d2c4e30c
Markdown16dac597f00cc1f56648e0a6a86e72adda4dc3d2fa5b71e566c59f8ff758a564
PDF
Publication page5605f7e948857deb42d04d858753f56892b1ba18f8750c40ea2566cf9cd33e33
Manifestaa4bfd27ad426d0f196bd268529425dcf76c1785dedc0b7809d3c8c7e213ef4f

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
SignatureHueCc+qwfrCfVdduHYWJ858lj1NrxspWtCJtew9+lhRSN/qYHbBdh0z1jlpSsUlsOC5FdE6thbswweAouwnvBA==
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

2026-09-17T11:03:06.236768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048925
observed 5605f7e948857deb42d04d858753f568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.218587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048925/manifest.json
observed aa4bfd27ad426d0f196bd268529425dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.200589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048925/publication.md
observed 16dac597f00cc1f56648e0a6a86e72ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.181629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048925/publication.txt
observed 20a80bb143d4aea80a9936b78f9d0b4c...
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.