OpenTechnical

OT-2026-000029662

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000029662) never changes.

Identity and time

Publication numberOT-2026-000029662 · never reused
Internal UUID01a0ae73-5e23-7b1d-bda2-87e4974a3305 · 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-2026-000029662
StatusPUBLIC

Content hashes

Canonical textb01cae2533b89c76b4514397b54d9a6efcd25d7d876c8950e32084b39eefe70b
Markdownf355dcc98078d8f3bff9c539874124da32400bede31d148c86fe3f570743b2e2
PDF
Publication page73d95c0f7c380d25eae05d2a558b703919911b9c5e4cd49ed429ba7d3cd357f4
Manifest05dcc3c63c74fcf63a92b3d78a780d712a4345dbef8d9f6040562495b7afad19

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
SignaturetYFP98u4CiUDC2N3Qjmven80Cxi9ri81hUk8RX8qdn/jTperiDTKIPlFFQnnDmHjsaeLH57IBtPZ33Wfp5UmAQ==
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

2026-09-17T11:39:22.775077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029662
observed 73d95c0f7c380d25eae05d2a558b7039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.759368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029662/manifest.json
observed 05dcc3c63c74fcf63a92b3d78a780d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.743592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029662/publication.md
observed f355dcc98078d8f3bff9c539874124da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.727656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029662/publication.txt
observed b01cae2533b89c76b4514397b54d9a6e...
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.