OpenTechnical

OT-2026-000078686

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000078686) never changes.

Identity and time

Publication numberOT-2026-000078686 · never reused
Internal UUID01a0ae95-ccbb-7a95-852e-78476d9286c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078686
StatusPUBLIC

Content hashes

Canonical text24b4b40019e8b69ad23a28b6f5cbff82df048f7a2b50e3296cfefd6d7f0d1106
Markdown7ba79f6e1e4a679902418988e19675ec8921cc4e2cf217906e7c741d42a6a161
PDF
Publication page2155e7b1a0b631b7fe670676b6effa8ed723a5134b77ac119f904cf02fdb7853
Manifest1054df4530d3ca77150926acb8c4be792e069f46d9a52d4e134a816cd1e208e1

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
SignaturegpMfECyFr4JKzdzJIWG9vU+SjGGjLMrGoUs7/4NW0domApwwERVt/+nro0mNeJZ3ufOqj7yoEsfCjlvh76M4Dw==
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

2026-09-17T10:05:27.879340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078686
observed 2155e7b1a0b631b7fe670676b6effa8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.860479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078686/manifest.json
observed 1054df4530d3ca77150926acb8c4be79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.842835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078686/publication.md
observed 7ba79f6e1e4a679902418988e19675ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.824436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078686/publication.txt
observed 24b4b40019e8b69ad23a28b6f5cbff82...
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.