OpenTechnical

OT-2026-000031967

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000031967) never changes.

Identity and time

Publication numberOT-2026-000031967 · never reused
Internal UUID01a0ae74-bad2-7437-8165-11b19c57d202 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031967
StatusPUBLIC

Content hashes

Canonical text88e58ac85d887f43606271d28614f0f70e507401ad2b3bf06c472d74d5c0df0c
Markdown4081334c7975d7d0138db3887a92e2d49581a46ec5316a445818e0a52a136dbf
PDF
Publication pagee32dd24d909a1d92078217e7af2c9d733d7133dedfbe9ac44dc66f28b623f179
Manifest33222e0585cab113a6e58bed71784f4ad20707a34252fae985effdf6305199c6

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
SignatureYLeSZBxNydwfDrn2uQTG/b3Zn7UvCSKkwuBlVcY0KJPJrwcCY+lmc5N7MhIGaPRgXA2tjS5VYnGPCfbWE5yeBA==
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

2026-09-17T11:35:15.611670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031967
observed e32dd24d909a1d92078217e7af2c9d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.593143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031967/manifest.json
observed 33222e0585cab113a6e58bed71784f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.571765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031967/publication.md
observed 4081334c7975d7d0138db3887a92e2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.552457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031967/publication.txt
observed 88e58ac85d887f43606271d28614f0f7...
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.