OpenTechnical

OT-2026-000062560

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000062560) never changes.

Identity and time

Publication numberOT-2026-000062560 · never reused
Internal UUID01a0ae8c-0ac1-7edc-9469-aab4ea95391f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062560
StatusPUBLIC

Content hashes

Canonical text5097370ad82812a51389c5c0ff7fb7c31ce527ca879d59b746f0bb08da9ca495
Markdowna54d0128d6d93d60a10ccb172484c63042625b27de19259f216566b37441347c
PDF
Publication page8abdd2aa9e61d12eebb5f2a7898e8b9be68387ed440e71a55f0c259fc0942537
Manifestd92b29b55eb1cf4ba1dda751fda3507ee4865d56f33882149bbcd65b8cb3927d

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
SignatureMYTXiEzTLI6qzkgWnHN1s7CCDmkakqwCcuxH0iIRG24faNemdeyrPpxowdI9pzinjAwe20i2nxZGTmHkTYduDg==
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

2026-09-17T10:40:02.244389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062560
observed 8abdd2aa9e61d12eebb5f2a7898e8b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.222866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062560/manifest.json
observed d92b29b55eb1cf4ba1dda751fda3507e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.136841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062560/publication.md
observed a54d0128d6d93d60a10ccb172484c630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.038562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062560/publication.txt
observed 5097370ad82812a51389c5c0ff7fb7c3...
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.