OpenTechnical

OT-2026-000052423

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000052423) never changes.

Identity and time

Publication numberOT-2026-000052423 · never reused
Internal UUID01a0ae84-5739-7383-951b-12dba2390fd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052423
StatusPUBLIC

Content hashes

Canonical text61d992d6097aeab29e17d2ab86c9a424d07a59446bdf60336bce02449e0b4b58
Markdown86373b482c2d2d3fdbdfbe9537f1cd77d5a5237655b89c3efe846b87cdbce030
PDF
Publication page93bb43f677aa5fbed50bbcf75092468046c3e1b4d87ef43bfd57a1fb375db753
Manifeste1da0ef7b7e076696c155731781f0a920017a029db989148e0a37466f05f2592

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
SignatureyiOyX7iOAl+/W8bfqRfzr9800roGJsr6Y3MuzDyXfS4sMd5SYUPrNtyajzs+vMTfDybTWrbXertVizds/G8nBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:02.350127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052423
observed 93bb43f677aa5fbed50bbcf750924680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:02.332967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052423/manifest.json
observed e1da0ef7b7e076696c155731781f0a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:02.315495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052423/publication.md
observed 86373b482c2d2d3fdbdfbe9537f1cd77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:02.297290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052423/publication.txt
observed 61d992d6097aeab29e17d2ab86c9a424...
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.