OpenTechnical

OT-2026-000023971

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000023971) never changes.

Identity and time

Publication numberOT-2026-000023971 · never reused
Internal UUID01a0ae70-aed6-7e10-93ea-bf8547fd569e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023971
StatusPUBLIC

Content hashes

Canonical textb12846c2b95b7ac453759db616fb2e836407edc3ba0df534eba6e4b01f30e6b0
Markdownd99c6e7164150f4895fbdfad25558135a766c453c1d1cce95e2aeb3c925481c8
PDF
Publication page4deb6953f2f81851afc24e083fa0ee26da1fc3cd2925aa0154d568f1bdaa7970
Manifest22aa62b9602b962fca4cc1db7499f8020d9b2214e1f46d0cb992175d4eee1296

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
SignatureFIl4jhYAfuGohi/zn95fsmFO3yn26uulAelakGhxrkK/eu6kSYMWRc4/2KKURMJvlKoPXxyozr/Y2WIMa5xBAA==
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

2026-09-17T11:50:44.039956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023971
observed 4deb6953f2f81851afc24e083fa0ee26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.010790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023971/manifest.json
observed 22aa62b9602b962fca4cc1db7499f802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.982961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023971/publication.md
observed d99c6e7164150f4895fbdfad25558135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.956977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023971/publication.txt
observed b12846c2b95b7ac453759db616fb2e83...
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.