OpenTechnical

OT-2026-000038675

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038675) never changes.

Identity and time

Publication numberOT-2026-000038675 · never reused
Internal UUID01a0ae78-769e-741f-91e3-a6efb97efb2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038675
StatusPUBLIC

Content hashes

Canonical text7f067a22f0491d532236f08e4c14d34b37f973f990b17dcecf98b597dfe86da1
Markdown954aa6399fb7dcf97e0efca89fe4e875a1e9d87c394669f97c0c62e360210bed
PDF
Publication pagea9b2943f4b23ec9fc3b1b125f49f21acb1aecf39e8c177ce272de66952583ff7
Manifest30e43d361c84f140da5b7894f337e079a3d039ef0bacfc23d69ef91f4c6451d9

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
Signatureaz76pXsbRmYYBneKCEJpMJl6gnhQm4d0JiX775THngVfTQtvhKdagJ2HaXnz1B14CHW9CQGineYx6t+zN8rLDA==
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

2026-09-17T11:21:10.805942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038675
observed a9b2943f4b23ec9fc3b1b125f49f21ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:08.413191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038675/manifest.json
observed 30e43d361c84f140da5b7894f337e079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:08.396467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038675/publication.md
observed 954aa6399fb7dcf97e0efca89fe4e875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:08.380070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038675/publication.txt
observed 7f067a22f0491d532236f08e4c14d34b...
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.