OpenTechnical

OT-2026-000049391

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000049391) never changes.

Identity and time

Publication numberOT-2026-000049391 · never reused
Internal UUID01a0ae81-8f7b-7baa-9826-5908e19951b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049391
StatusPUBLIC

Content hashes

Canonical text75f0b49669163c608088dc08e22d2ffbe77d61ab2a3b705b69a53c6f72e0deef
Markdownc83778d21e365ba3727aafed9d92eb922355539ce49e30bf549ce27cbf802912
PDF
Publication pagecb780cc3d13cfa7655de0a315c49083a04166aab423e8de1bd531e38bfb1208c
Manifeste8e413779351b131ab21aaffd2657a051049bc4f9952e63f99b7cca235e76947

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
SignaturerUHXVLCxapFLw8BYwaY8nIZLYvl8visht2TZyPXQGeHMHeN+no3Kcjz2Pkaj4jVVk9USNdLKKvSPMKdZ+/0dCQ==
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

2026-09-17T11:02:12.306311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049391
observed cb780cc3d13cfa7655de0a315c49083a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.289251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049391/manifest.json
observed e8e413779351b131ab21aaffd2657a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.272138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049391/publication.md
observed c83778d21e365ba3727aafed9d92eb92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.253050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049391/publication.txt
observed 75f0b49669163c608088dc08e22d2ffb...
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.