OpenTechnical

OT-2026-000029394

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000029394) never changes.

Identity and time

Publication numberOT-2026-000029394 · never reused
Internal UUID01a0ae73-5e20-7382-836a-4e73524bce4d · 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-2026-000029394
StatusPUBLIC

Content hashes

Canonical textc45be65c9369be098426c1d30d5e1a76bf72c54abefaf87a1d8fc2c8b965e2a8
Markdown586c92e2e7a9c41d935d5dd0921c777a7300ddd5d733894c314db0fb9e627e9b
PDF
Publication page0322bc90d965a361be5d8974f8cdf4eb63793a57b4740592ba45565aa85af8a0
Manifest6cf3d68d4efc31bb40825453254728db40c2022f30f13a113e04e1c6ff985566

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
SignatureMmiEBoDilTfjBZpolHRq7B93j+GA5dE+FSqKlrM8vXe75FO3blrFR0Fl8PWbRomvajce0Co+HvFB0g9zzn1zDg==
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

2026-09-17T11:38:57.774743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029394
observed 0322bc90d965a361be5d8974f8cdf4eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.756599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029394/manifest.json
observed 6cf3d68d4efc31bb40825453254728db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.739039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029394/publication.md
observed 586c92e2e7a9c41d935d5dd0921c777a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.720632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029394/publication.txt
observed c45be65c9369be098426c1d30d5e1a76...
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.