OpenTechnical

OT-2026-000018782

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000018782) never changes.

Identity and time

Publication numberOT-2026-000018782 · never reused
Internal UUID01a0ae6e-d521-799b-98e4-e9bdee9deea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018782
StatusPUBLIC

Content hashes

Canonical text19c6744f253b503554baaa6ec4805c8f0098dad3438097037e82bfc8dcad39f1
Markdown4a826fdc5719f6a8596214ebde8c3753c1d2953f1edf068791c0be4437a4a4fa
PDF
Publication page7ffd4bf967986edf5a9e6d4bb0d91ca8b5a6937ded2f8dfb8ad06e4e2c2bb06f
Manifest465f92d3cea01576f48416baaf74aeb0db41fdf29991e64ea41b0e4271d4d8c1

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
SignaturefLdf/XC++4XI2YJBcSa6M7Vd52ixYAUkc9K+XD0tLwZD1JROV8EoWY8Xg7XzZfmZOUCDX5r11rsNHG2APTmgCA==
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

2026-09-17T11:59:24.399337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018782
observed 7ffd4bf967986edf5a9e6d4bb0d91ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:24.381578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018782/manifest.json
observed 465f92d3cea01576f48416baaf74aeb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:24.363455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018782/publication.md
observed 4a826fdc5719f6a8596214ebde8c3753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:24.345489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018782/publication.txt
observed 19c6744f253b503554baaa6ec4805c8f...
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.