OpenTechnical

OT-2026-000038274

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000038274) never changes.

Identity and time

Publication numberOT-2026-000038274 · never reused
Internal UUID01a0ae78-2d51-7983-b77c-6ff343c6f954 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038274
StatusPUBLIC

Content hashes

Canonical text2ba7a69bf4b1dd71ae631a81aac110001d257ee79f80e614feb9d83f842bba1b
Markdown24819b8efa5723dd97ea1af95af1a7042a5af812a8ae17246e5ca601b3082805
PDF
Publication pageee4a858e59cba57a4bf95ebf4b3bcbad2f578a3b2ef50422282adb97a6a21d27
Manifestc5bc9b3a27c9fc2c2e27277d2ed08e79da90bad81db15848db9555165b547cca

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
SignatureQ+HJnVX2pH5ccGzCD90yn+WoibOTT5d1ELrnahR2RW63GRZoisuLUCwkaQpZw+XKG0nOu0c1ZvS+qKk8k4DvCA==
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

2026-09-17T11:22:26.177954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038274
observed ee4a858e59cba57a4bf95ebf4b3bcbad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:26.158459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038274/manifest.json
observed c5bc9b3a27c9fc2c2e27277d2ed08e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:26.139994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038274/publication.md
observed 24819b8efa5723dd97ea1af95af1a704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:26.122411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038274/publication.txt
observed 2ba7a69bf4b1dd71ae631a81aac11000...
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.