OpenTechnical

OT-2026-000029401

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000029401) never changes.

Identity and time

Publication numberOT-2026-000029401 · never reused
Internal UUID01a0ae73-5e20-7fb7-a066-6463a58ff2f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029401
StatusPUBLIC

Content hashes

Canonical textbda14f6ab14cc77404c029a63296b1fa6edb83534a7a12e0461d7a377ca1a1ee
Markdowna0379134aed39ee065d6b447873d2789854cda9fa0b59b39b7815d1b4b683626
PDF
Publication page90eaf5b1a348779288daf063bcd2dc71b59e54cdebbce4216d9319025c503d2b
Manifestdddc425b956ec08f1fb700db8aa4f98ca2087c80ecdbf86a72d0b8b797984e8f

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
SignatureU3Xh2yUp166KLocqu6dquriYhvPF1g9YQ0O5qTq+e7IdCxhdflHX4rjvYy4J0h7ekKnn+hDJpdBOqcQQHbqRAw==
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

2026-09-17T11:38:59.769321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029401
observed 90eaf5b1a348779288daf063bcd2dc71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:59.750092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029401/manifest.json
observed dddc425b956ec08f1fb700db8aa4f98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:59.729448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029401/publication.md
observed a0379134aed39ee065d6b447873d2789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:59.624443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029401/publication.txt
observed bda14f6ab14cc77404c029a63296b1fa...
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.