OpenTechnical

OT-2026-000065538

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000065538) never changes.

Identity and time

Publication numberOT-2026-000065538 · never reused
Internal UUID01a0ae8e-46f9-7341-ad05-c5ff8d39c39a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065538
StatusPUBLIC

Content hashes

Canonical text85d4fae76e1bf0401c323d4db7a4b6fe9abacdca4c87d4445d16277f68d24a4f
Markdown8eaebe34ceab0157cc430eb7a570c2fd899eb321452237a11eecdc4c8a442a6b
PDF
Publication pagea92ebc259ca6df17d7ab2bb1fb57874c07c361d2109d24a43b55ac45f29e9b8c
Manifest8280da169293b7f2545fd8a0b75d345ef03febc7d77657787c7bd6c123b3e45e

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
SignatureL8TtrpHvYv1tNubqph44mnWoJ4dRPTK69n4AyHEaAmfYDNpz/G1qiUGA6Upzyo9TmrfoWwpA8FFG04AvFX0jAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:50.377880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065538
observed a92ebc259ca6df17d7ab2bb1fb57874c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.360444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065538/manifest.json
observed 8280da169293b7f2545fd8a0b75d345e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.344765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065538/publication.md
observed 8eaebe34ceab0157cc430eb7a570c2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.327676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065538/publication.txt
observed 85d4fae76e1bf0401c323d4db7a4b6fe...
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.