OpenTechnical

OT-2026-000048759

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000048759) never changes.

Identity and time

Publication numberOT-2026-000048759 · never reused
Internal UUID01a0ae80-c32c-74d7-887a-d6070b735483 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048759
StatusPUBLIC

Content hashes

Canonical text04199cb7d4ddc2fc3fddd4f180251979596a3f2616f8bdb0630c8987da245f96
Markdown08c119e7b32e98f3f9d9e9fb2c132ddf1da90b8e5550178f4c5e16f452c3b047
PDF
Publication page0ccbc5d52f4b2ae8925a106277891452c15c616e4ed53af2bdc12b1c27969481
Manifest1104fbf0c676db1ad6d825ce0588e235f112627208299a368e0e85b0e34b9e8f

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
SignaturekMrvqSpKlJfxrKA+1hFIhVAWlGlE/mhOH7g18JFmELoqx+H9rK/+XUuE8gEQDFTQcAQENTDW33GQ6eTDRC3iAg==
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

2026-09-17T11:04:26.168308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048759
observed 0ccbc5d52f4b2ae8925a106277891452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.140803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048759/manifest.json
observed 1104fbf0c676db1ad6d825ce0588e235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.110488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048759/publication.md
observed 08c119e7b32e98f3f9d9e9fb2c132ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.086860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048759/publication.txt
observed 04199cb7d4ddc2fc3fddd4f180251979...
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.