OpenTechnical

OT-2026-000029994

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000029994) never changes.

Identity and time

Publication numberOT-2026-000029994 · never reused
Internal UUID01a0ae73-ac49-7216-a233-019a101d37b1 · 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-2026-000029994
StatusPUBLIC

Content hashes

Canonical texta8df0bfb75414b3e5ca692fc9e1b9ceef74d9240eb6d6d441b7d6480f77c95f5
Markdownfbcc13d5696de71047f3e0de9e62e88a1fa3616db4acc1dac84db0afd4686b81
PDF
Publication page7107924eb0fa067898a59ff6c4e9eb0038908c2660ae2b49f6eec4c667b3bead
Manifestd9152d12f8240899819d8d8dd1d2ac751811899f2e689e3c3891add7dced10a1

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
SignaturerW49Nf6IcvOIW0dEbIeYxDmzbrfI5yYoo8cViMOYN7OZUzn6bUZ2+eaOT/+A+Zo2SBhBPXeKqP5QFG9s6MwuDA==
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

2026-09-17T11:38:43.273302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029994
observed 7107924eb0fa067898a59ff6c4e9eb00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.255215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029994/manifest.json
observed d9152d12f8240899819d8d8dd1d2ac75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.237097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029994/publication.md
observed fbcc13d5696de71047f3e0de9e62e88a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.220232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029994/publication.txt
observed a8df0bfb75414b3e5ca692fc9e1b9cee...
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.