OpenTechnical

OT-2026-000021014

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-2026-000021014) never changes.

Identity and time

Publication numberOT-2026-000021014 · never reused
Internal UUID01a0ae6f-65e4-73ac-8fb2-48a553aa54ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021014
StatusPUBLIC

Content hashes

Canonical texte9e8ba41d0661f796eb9132d920c46098af484a494400d6ca754e6c57c8fb263
Markdown2639943da212d58d40e0b859d701391d39254277516871eb58d9ca93c15af857
PDF
Publication page27f7a2288ca8cb09efd5d0418f2f5e0507151d72cefa5a169da34e68d5b3aa7e
Manifest9ed9c6083a3a8c42edd3bb7cf6941f39c5deba20a4c0b2805d829e7f6d16898e

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
Signature187JBHaBFwKcBMlmh40wk2T2I4sOLivyN4bj8ivhIV6aJFLIgTsbiqCOFDTFPfVdrkaNTpvM2HlJI6j28SrKDA==
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

2026-09-17T11:56:10.399229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021014
observed 27f7a2288ca8cb09efd5d0418f2f5e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.379716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021014/manifest.json
observed 9ed9c6083a3a8c42edd3bb7cf6941f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.362019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021014/publication.md
observed 2639943da212d58d40e0b859d701391d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.342780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021014/publication.txt
observed e9e8ba41d0661f796eb9132d920c4609...
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.