OpenTechnical

OT-2026-000036128

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000036128) never changes.

Identity and time

Publication numberOT-2026-000036128 · never reused
Internal UUID01a0ae77-01ce-7e43-9fb7-51cb60fffc19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036128
StatusPUBLIC

Content hashes

Canonical textb0b03eb49beebbb966298ba5e6437a89a94a071d99ddf0ea56ee2f3f188f22b4
Markdowncfbb0635e1b5ef7a05026d193d0d73f8d3f15d9a3397be943ad52a7855764f71
PDF
Publication pagece40b69288a59392b4a7d1faf7019cf2eea888473d694f3a77086453097e816f
Manifestb2ac72b41996e3951e7fc04a09c8e103369454895f724847db408751fd0e6603

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
SignaturePjCvdVaZzUoApk6Cxt0Str4GEoLQZXgglNX6SqFJBgaaAaRh0D/mcwgyAb94xYCktJO6oZ04QXb/EbbEoXiHDw==
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

2026-09-17T11:26:19.550918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036128
observed ce40b69288a59392b4a7d1faf7019cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:19.534196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036128/manifest.json
observed b2ac72b41996e3951e7fc04a09c8e103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:19.517643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036128/publication.md
observed cfbb0635e1b5ef7a05026d193d0d73f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:19.500905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036128/publication.txt
observed b0b03eb49beebbb966298ba5e6437a89...
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.