OpenTechnical

OT-2026-000018405

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000018405) never changes.

Identity and time

Publication numberOT-2026-000018405 · never reused
Internal UUID01a0ae6e-b489-7929-a39b-6f1da3931e82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018405
StatusPUBLIC

Content hashes

Canonical text58d65d8a9d5ecf5b8eac0fcd24e4e3fa840cd462f85223aa0ccb64f6faf53b9a
Markdowncac7f3e564749cc6ad6127b42f0a90b7632a10c845efb821696424d12ca99620
PDF
Publication pagee8f901b6b4fdd1f8f3005fbe4c7d7e3cb796734795156f11d457b69095bf5396
Manifestba0ace5011ace8f3446c5af2d97bc946a03b0bf970feed0f6368b3f7f10eedf4

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
SignatureuUZ5fYXzkepLa+KvtCa/W8uFdEJM9cx6HZv++y3PzG833cwf15H0W6PgJG8R9wr1WjZYSrZK7x6z4AVyqtnFDw==
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

2026-09-17T12:01:08.940665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018405
observed e8f901b6b4fdd1f8f3005fbe4c7d7e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.924404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018405/manifest.json
observed ba0ace5011ace8f3446c5af2d97bc946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.908397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018405/publication.md
observed cac7f3e564749cc6ad6127b42f0a90b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.891307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018405/publication.txt
observed 58d65d8a9d5ecf5b8eac0fcd24e4e3fa...
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.