OpenTechnical

OT-2026-000029829

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029829) never changes.

Identity and time

Publication numberOT-2026-000029829 · never reused
Internal UUID01a0ae73-ac47-726a-9383-982066c922a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029829
StatusPUBLIC

Content hashes

Canonical textcc4fbfa65ee0609632dc70684068e6d0ffd9a5c720fff346aaf202c289429344
Markdown64118a144c800828787accd261510efee7533f8ca01aa9dba579a039a72d1334
PDF
Publication page825fdaa5ee5b0ce31dfeccbb878c60722fe46e6dbb19a35f36c5875d2ac7d290
Manifest79fa64601aacbacce760b3e272630dcfc76b9360e810351963d439726de9fc20

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
Signatureutf3+QyjfjXtDHB+cUSoSUGWQfONd63tgUjbB5+4WVSp0GrNYx5uEOSAf2UggRaCw75SGPIU4DhpdwS6Ld4IBw==
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

2026-09-17T11:38:30.431353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029829
observed 825fdaa5ee5b0ce31dfeccbb878c6072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:30.412493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029829/manifest.json
observed 79fa64601aacbacce760b3e272630dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:30.393275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029829/publication.md
observed 64118a144c800828787accd261510efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:30.374510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029829/publication.txt
observed cc4fbfa65ee0609632dc70684068e6d0...
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.