OpenTechnical

OT-2026-000050572

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050572) never changes.

Identity and time

Publication numberOT-2026-000050572 · never reused
Internal UUID01a0ae82-5c49-721e-a535-0017e1266524 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050572
StatusPUBLIC

Content hashes

Canonical textbf1527fa90c118ec47cc975b321f21a01140d3a0278f10073f6c0cac3311b1c1
Markdowne56931061af5214c30c97275008a1a959c5c61e1461d4ccaabeb275c31214099
PDF
Publication pagedea3c1501a3ca94e1232d5c844cc36ff18b1d2645e147923c1c8b5af72aaef89
Manifesta41e10e58691cc967f9d101dfb28ce94365ccd561c669082cffa3bcb67885cb7

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
SignatureHu7RyfD07eZqYPn6AraZsBb2gMUszd8K2Ohy7I/9c5w5BUPKGrAPfAnJeOQJ4ZqWFqkPp80L+Ism3En6aA1KAQ==
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

2026-09-17T11:01:40.378720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050572
observed dea3c1501a3ca94e1232d5c844cc36ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.362415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050572/manifest.json
observed a41e10e58691cc967f9d101dfb28ce94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.348048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050572/publication.md
observed e56931061af5214c30c97275008a1a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.333155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050572/publication.txt
observed bf1527fa90c118ec47cc975b321f21a0...
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.