OpenTechnical

OT-2026-000012490

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000012490) never changes.

Identity and time

Publication numberOT-2026-000012490 · never reused
Internal UUID01a0ae6d-39f7-77a8-8f68-e577d017c20d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012490
StatusPUBLIC

Content hashes

Canonical text465ee8e73e545d35ec3a0a7c7e39cd7269654bda3a4121532cba5ae0259c102a
Markdown6ab50ac13d84c894e0d96c19f61ae20fbd766aa92d6f74f4b73d4f98291def6d
PDF
Publication pageb239caa668c626a591c1f83410f124f8cbd4c66e978ab5c20933adcb291f47a3
Manifestb184d0a89e59e00901797aca4a872cd8e2e71a650e8eecca63e4d09fb3ae2894

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
SignatureBKn/L7cKKiqbZ5CWSkpqaFhBypuUFyv94oVuBswP/WFxwW+yY3Br9O/DYRsZuTw3xobXco6Zt0CxG7nOZMeuBg==
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

2026-09-17T12:12:00.335227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012490
observed b239caa668c626a591c1f83410f124f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.314927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012490/manifest.json
observed b184d0a89e59e00901797aca4a872cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.295384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012490/publication.md
observed 6ab50ac13d84c894e0d96c19f61ae20f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.276902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012490/publication.txt
observed 465ee8e73e545d35ec3a0a7c7e39cd72...
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.