OpenTechnical

OT-2026-000042294

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000042294) never changes.

Identity and time

Publication numberOT-2026-000042294 · never reused
Internal UUID01a0ae7a-5d73-7ede-80f8-83842a68e379 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042294
StatusPUBLIC

Content hashes

Canonical textd4c451a5a0cde0151bc1eb66abd9de8a0c7de69d34d0f251ce8ca6ed74e35d28
Markdown08613c3a74d0bb91f7b49a0475a63e0c406e2b0f2d7cb25fc5062a6e235b8eda
PDF
Publication page0e070da9ae93bdafda026d4a0ef79e403f294bf5b0f42b0aab4f7aa8534569f5
Manifest235bf10087f8afb960d2541175fefdcf78c8b86616918cb4a7e7c5319977440e

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
Signature9ifgriP6ObrJ8M4kqwXV3L1wA04Z8hhcqkDyYC5tWtfS6Zb/yOVNfi/Yhsy6tS3HV6/udMrkTU72ZaQT/8qTBA==
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

2026-09-17T11:15:59.474722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042294
observed 0e070da9ae93bdafda026d4a0ef79e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.455441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042294/manifest.json
observed 235bf10087f8afb960d2541175fefdcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.437834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042294/publication.md
observed 08613c3a74d0bb91f7b49a0475a63e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.420306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042294/publication.txt
observed d4c451a5a0cde0151bc1eb66abd9de8a...
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.