OpenTechnical

OT-2026-000021458

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000021458) never changes.

Identity and time

Publication numberOT-2026-000021458 · never reused
Internal UUID01a0ae6f-865d-7884-8f19-7c3fd62e7538 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021458
StatusPUBLIC

Content hashes

Canonical text07b34f411085794c839f4c467ae79039229284d219e24d612fedc58ae1cd40cf
Markdownbc15999701572a94ff62040ee3960ae4dede46ba693e9a6270c6fd15f9d8dc45
PDF
Publication pageae410123b3fd8bfc6bf2d0cf182184a6aa184a80859000a0c08f8200b88e98d5
Manifest7d8471c3072ff4d05801c9af55ef309b56b1a0fa7cf7ff6402a535bbe2168cdd

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
SignatureeSXbg8QhvE/EaeVcsdUx9IJgmo0OFFuGpt6OtUrkX+Y9PHC9avtKAKfwsFPfOCYWaCRwQWXnPubWa1fojo2mBw==
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

2026-09-17T11:55:22.213460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021458
observed ae410123b3fd8bfc6bf2d0cf182184a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.197127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021458/manifest.json
observed 7d8471c3072ff4d05801c9af55ef309b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.179445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021458/publication.md
observed bc15999701572a94ff62040ee3960ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.161736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021458/publication.txt
observed 07b34f411085794c839f4c467ae79039...
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.