OpenTechnical

OT-2026-000018894

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000018894) never changes.

Identity and time

Publication numberOT-2026-000018894 · never reused
Internal UUID01a0ae6e-d522-7de3-af15-f385efa4b25b · 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-2026-000018894
StatusPUBLIC

Content hashes

Canonical text97fcdd219767b8a2d4511ca1c840815cde90bcf0419cd0b509466be96d64a3b1
Markdown7366d0da7b8f59c8cc287d06cf91c8116e28f76974925256d4f29c6973e1be32
PDF
Publication pageac37d15ac90e8d09c8d82b2313b5141e920ece2ebe6fc33f39de3db470e6f1cf
Manifest72a5d98231493618bbda29e56536fff9b782c6fd0ddf5169cdc299b1e13e5106

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
SignatureoWwHiqYwA6Q8tUgG0fuuBuE3pLsFPRapndMHMnJLpQW93XmVlrvnv60KbbaLwicI180fL7jSnf4yC2QnVAsZBA==
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

2026-09-17T11:59:32.925514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018894
observed ac37d15ac90e8d09c8d82b2313b5141e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.906596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018894/manifest.json
observed 72a5d98231493618bbda29e56536fff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.887468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018894/publication.md
observed 7366d0da7b8f59c8cc287d06cf91c811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.870532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018894/publication.txt
observed 97fcdd219767b8a2d4511ca1c840815c...
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.