OpenTechnical

OT-2026-000029216

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000029216) never changes.

Identity and time

Publication numberOT-2026-000029216 · never reused
Internal UUID01a0ae73-2aa0-78ad-bf39-398b73b8e76b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029216
StatusPUBLIC

Content hashes

Canonical text8b62d844b8e2ffa5c3e0e60011bd2979f858b33ce381de2e18731c9936abb8eb
Markdownddd3585e8eb58dbd956d1e6f4a17e9ddb97f225f158841ce9e42d78ca2547cd8
PDF
Publication page921748989d1a9a3c20d4ca8d0f84a4cc67699d05cbe250fc54e2d6a9f28a6503
Manifest96277a65fd9b6f2f6d3f528e85392cf1abfdb234944e5fdcdc5ed77230d45420

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
Signature3E/++1eGSpUTpdJt/YH/46+jXtAq38C+U9yIjOn94+OYnj3Th1nBIZKSjTALLviVh5R8poL7KfD28H14Ok1xCg==
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

2026-09-17T11:39:50.115881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029216
observed 921748989d1a9a3c20d4ca8d0f84a4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.100336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029216/manifest.json
observed 96277a65fd9b6f2f6d3f528e85392cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.083418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029216/publication.md
observed ddd3585e8eb58dbd956d1e6f4a17e9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.065261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029216/publication.txt
observed 8b62d844b8e2ffa5c3e0e60011bd2979...
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.