OpenTechnical

OT-2026-000030425

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030425) never changes.

Identity and time

Publication numberOT-2026-000030425 · never reused
Internal UUID01a0ae73-e503-711d-83d7-7d2ece7d9d66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030425
StatusPUBLIC

Content hashes

Canonical text6478c675e6f7b0230d453d7e4774da7dde8529da73bd8eb1a4d3e2d428132eff
Markdown173a1b13c693d52524fec7cc0e965cfb8607ec8ed59d48b6640f4bffb6fb2cf8
PDF
Publication pagedabd7a0c3836243487272bacd239bfb8f9d7586dc103818f0a9f2df56120c656
Manifestdba39cdedbd5506ed27e5c0f6c12fbda27a6dfde374adebd4addeac3332e1778

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
SignaturepB42iiOM9P3rjdTqhoVZ0iCq7WFJeDaXkJisgPqL3mi0WWK5k5gneo3DCULga9Eo/BgQRrZ3sQe8Eh5hCvQ2Dw==
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

2026-09-17T11:38:09.669948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030425
observed dabd7a0c3836243487272bacd239bfb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.652130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030425/manifest.json
observed dba39cdedbd5506ed27e5c0f6c12fbda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.634511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030425/publication.md
observed 173a1b13c693d52524fec7cc0e965cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.617481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030425/publication.txt
observed 6478c675e6f7b0230d453d7e4774da7d...
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.