OpenTechnical

OT-2026-000029050

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000029050) never changes.

Identity and time

Publication numberOT-2026-000029050 · never reused
Internal UUID01a0ae73-2a9f-70c5-aa70-94d8e700a26c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029050
StatusPUBLIC

Content hashes

Canonical text5e7e8eb013a3f9b8b3f1c700deb3f9cd08e5daf968dfcaa32f9def7485285c51
Markdowne110f60dd91267de850b515d1199031aeac01c61d3f947c9fb2e0c686dcbf236
PDF
Publication page9837fc46e5ca6247c8fb79bd2663a048f174829b4a77eaa763082c0da7c0b27c
Manifest17aa6a96040e513eb2f3a1599dd56c5b4b6956d3a3bb778410141bf1c3827720

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
Signature+/IOrsfl2jkdE7s5EjDdzMfB2MGmfJmF3Ld9/LaHJBjsXoQ4Gx1jYnKlYf0Y3R5uWbJajtekOm5w4gmZDJZ6Cg==
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

2026-09-17T08:20:41.719056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029050
observed 9837fc46e5ca6247c8fb79bd2663a048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:41.703095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029050/manifest.json
observed 17aa6a96040e513eb2f3a1599dd56c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:41.686112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029050/publication.md
observed e110f60dd91267de850b515d1199031a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:41.544991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029050/publication.txt
observed 5e7e8eb013a3f9b8b3f1c700deb3f9cd...
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.