OpenTechnical

OT-2026-000047333

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after set-down

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-2026-000047333) never changes.

Identity and time

Publication numberOT-2026-000047333 · never reused
Internal UUID01a0ae7f-3e57-7b2c-9012-6f2f855d166f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047333
StatusPUBLIC

Content hashes

Canonical text7afdd79b625532ecfbb86eb68c70b39baf863ab344705d19467d2d21cff9955a
Markdownf2bf6f724e6395675d37b803b511dd4dfe4afc465562e355b4ee9ea02df5fb85
PDF
Publication page997170f13ed8ebe8a99fb80a0498c9232e6466e23f4a4e5195b3f29a92cf53fb
Manifestf7f47f0bd2529dec9c207babfbf11bc140e458c9d17b9060fdfa570303a18ccc

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
SignaturezK9BpRYgA7OM2m0VIQ0eBibOC3l8IuyHmCrWD0WyfzqYsKFKrgmvx/NQmbWU3ceF50AstqOWUQI8URaRAg58Dg==
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

2026-09-17T11:06:19.351014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047333
observed 997170f13ed8ebe8a99fb80a0498c923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.334787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047333/manifest.json
observed f7f47f0bd2529dec9c207babfbf11bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.318236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047333/publication.md
observed f2bf6f724e6395675d37b803b511dd4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.299367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047333/publication.txt
observed 7afdd79b625532ecfbb86eb68c70b39b...
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.