OpenTechnical

OT-2026-000015810

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000015810) never changes.

Identity and time

Publication numberOT-2026-000015810 · never reused
Internal UUID01a0ae6e-0c4c-77bc-8cdc-726ac95829e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015810
StatusPUBLIC

Content hashes

Canonical textbb219b383137499bf03908898b1fb967dcafe6470d9e7aaa230e8ef8138c4944
Markdowndb7865dc2ea4b8f4f92e7e948fb8d7a8e1b1d7965262d81a3b4b903fbd0f08bb
PDF
Publication page2d6ce4f7e0790c5cc6a1946b7dd7dd16e823a0f93724cd383cd9c1d26fc124e4
Manifestc4c4d0a6420032aff1083f469c1050e07b004126b49c4f877561457db0f97db8

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
SignaturevqY2xBArox0budc4VdeaqVyNeXJo7vKfZYR11iQOV0MxFbGWNPyS3zU72Sd+/WHzMY8GQiJPIVD0o/Rd1tFzBA==
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

2026-09-17T12:05:07.208693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015810
observed 2d6ce4f7e0790c5cc6a1946b7dd7dd16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.191845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015810/manifest.json
observed c4c4d0a6420032aff1083f469c1050e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.174593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015810/publication.md
observed db7865dc2ea4b8f4f92e7e948fb8d7a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.159156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015810/publication.txt
observed bb219b383137499bf03908898b1fb967...
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.