OpenTechnical

OT-2026-000025650

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025650) never changes.

Identity and time

Publication numberOT-2026-000025650 · never reused
Internal UUID01a0ae71-9bc9-73c2-bb9e-21a9a261bb3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025650
StatusPUBLIC

Content hashes

Canonical texta0571e26868d5a793c511b7ebe422e3a009b61a22f8c0e5f69d4df17e99baf5a
Markdown05b35cc30d242fa4e518c43d975c7c1596448b62cbf46801d14ddb789099a545
PDF
Publication page011e2f3199495948d546659709167ea2e00c54201de865500fc1a7675536165f
Manifeste7e3c6985f67609ed83f2d5f1c3c91980e009e83b6016629007e64fdfc479731

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
SignaturetsXKjvSSE0Omze6w4sEHDb/H2y663ssObuLjL4Ix6ETPWsnT/uZpe00D45L7aCVdQnm+B1UHpv68Z5lKRjUlBg==
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

2026-09-17T11:46:51.225004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025650
observed 011e2f3199495948d546659709167ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.204558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025650/manifest.json
observed e7e3c6985f67609ed83f2d5f1c3c9198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.185029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025650/publication.md
observed 05b35cc30d242fa4e518c43d975c7c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.166536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025650/publication.txt
observed a0571e26868d5a793c511b7ebe422e3a...
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.