OpenTechnical

OT-2026-000033328

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000033328) never changes.

Identity and time

Publication numberOT-2026-000033328 · never reused
Internal UUID01a0ae75-8980-71fe-8815-aa92f7d4991b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033328
StatusPUBLIC

Content hashes

Canonical text61514e83bd3c556931c2c1a255152b967ee577de6651c067eb291ffe464e8f7c
Markdownc3f86fd94901ab0b563f4dd547dc00cfd6d9fb2fca3b2a3f544a36f8666328d5
PDF
Publication paged7826ccd279f99a99f62a1696f4e9d936ba568ac1d12f0a3a2a130ab6929a69c
Manifest4fbe4d0c23cdda1895f33886247767fafc1eab8b86f49860bfb54c013e1d0b34

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
Signaturermz1lmQ8VXC5AjznnepP1k/9lF2lXUQrEeofm150M9bO4sRH/1lV8N/e4UaosGwwwkIMzNOO362Fqis96qNZDw==
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

2026-09-17T11:32:04.874000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033328
observed d7826ccd279f99a99f62a1696f4e9d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.855160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033328/manifest.json
observed 4fbe4d0c23cdda1895f33886247767fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.839323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033328/publication.md
observed c3f86fd94901ab0b563f4dd547dc00cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.822481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033328/publication.txt
observed 61514e83bd3c556931c2c1a255152b96...
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.