OpenTechnical

OT-2026-000054484

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000054484) never changes.

Identity and time

Publication numberOT-2026-000054484 · never reused
Internal UUID01a0ae86-1283-7d7d-b548-caba3731e114 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054484
StatusPUBLIC

Content hashes

Canonical text43ae82213baa7daf40aee9112e436a764749f38fde22ac41e8bca732e67aad60
Markdown1c531e830377b0af6956d0189b47402d24de0a88a90939da4ed408854328a346
PDF
Publication pageea2a68656bbdc4baa4900cb14276ea1c25733bfcbbcea4ff10610cc6cab0d52d
Manifest5b4a6231a24985fa5444d38dfdbf1e1ee67ddaf0de7cb5524270e3dfefc9c5c6

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
Signature6Q5V2GRscBqaV9Y9MJVb7zAYobGcsY3DnUemyPQ3UqYWgUVnIhAa2d9Mysulzr0/JsHbranlQxBxGNC1MJqGCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:29.018436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054484
observed ea2a68656bbdc4baa4900cb14276ea1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.998743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054484/manifest.json
observed 5b4a6231a24985fa5444d38dfdbf1e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.978729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054484/publication.md
observed 1c531e830377b0af6956d0189b47402d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.958609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054484/publication.txt
observed 43ae82213baa7daf40aee9112e436a76...
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.