OpenTechnical

OT-2026-000029910

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000029910) never changes.

Identity and time

Publication numberOT-2026-000029910 · never reused
Internal UUID01a0ae73-ac48-7426-a500-8b4ba6eb2343 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029910
StatusPUBLIC

Content hashes

Canonical text0875ffe522c67c26e4d2e895525b0ddfc5ccdb15f3c238e2bc358e25f9ed1a12
Markdown69fdd281063acf7eefb8267abc653349005d0668ccc2bf61248a72f8f06c71ad
PDF
Publication page81dd0611e9ee2916f745e9afe3dd070a0a2e4927bc018633ffa86c045d5d5b83
Manifest1868701c5631d94e3336a8c1e3a143b966742750986f1f1c9b6ab01679403f44

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
SignaturetKu0/TBKrgqdA8CM8zKaLbWFG0kmoLr8yJawMcMDY4hLt6m0P6EJQMAvZWQU9WNlhm+etMzbHRrW4ElcZKjxDA==
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

2026-09-17T11:38:36.834474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029910
observed 81dd0611e9ee2916f745e9afe3dd070a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.817601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029910/manifest.json
observed 1868701c5631d94e3336a8c1e3a143b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.798199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029910/publication.md
observed 69fdd281063acf7eefb8267abc653349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.772359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029910/publication.txt
observed 0875ffe522c67c26e4d2e895525b0ddf...
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.