OpenTechnical

OT-2026-000016423

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000016423) never changes.

Identity and time

Publication numberOT-2026-000016423 · never reused
Internal UUID01a0ae6e-2d13-780f-a26a-e46d58c25c58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016423
StatusPUBLIC

Content hashes

Canonical textedd5227adb4d0712c8703ef78c1b01b3d0a971fd52fc9d23d95c3b5a057e7eb7
Markdown3305293d268f4481c2a87aa4bc4fc304f6d744b16b389910264e5c1f39edfd7e
PDF
Publication page8c8c71d00a267d2ee2d0b613b06c60afe31d81af23dbc00be60e76d629309eec
Manifestbef30f28498a18e53fd486ddd312473683f3dd34990344cafdb1633c6dc16ad5

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
SignatureLkmImAHJdWYGAWDrPfWxjSfqFPzkhMq9fTLybeAe7Kroz2d150f8YxIz7oX7UUe1Y8+I9EBqcKUgeVp0HNiIBA==
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

2026-09-17T12:04:30.952276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016423
observed 8c8c71d00a267d2ee2d0b613b06c60af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:30.932352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016423/manifest.json
observed bef30f28498a18e53fd486ddd3124736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:30.913324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016423/publication.md
observed 3305293d268f4481c2a87aa4bc4fc304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:30.894497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016423/publication.txt
observed edd5227adb4d0712c8703ef78c1b01b3...
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.