OpenTechnical

OT-2026-000052254

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000052254) never changes.

Identity and time

Publication numberOT-2026-000052254 · never reused
Internal UUID01a0ae83-e791-7609-b358-b4178e7d24d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052254
StatusPUBLIC

Content hashes

Canonical texte460c3ff5d8a521a18adb73d36736376287b1dd483ebe58ab78ea151ed65631d
Markdown248defef85d59984944ecc6a052fddca47e8a6d1a9e365eb4bf2bcc4d7d0aeff
PDF
Publication page79ad10e06345ee5f5c23900eb7a980d2fddd1b42bf0095526ae137e79b8d1c6c
Manifest565ea99b0457170351ea0446b60344fa967b8ec0738697aefee52a3479c775c1

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
Signature7De+2EIobIqekdHIWj4/D9drRhJmFeWDDhxVxINtgXFt+/BB1vKjQPWM56xVJxN+l04rIA3hsbsKB3OTQpkLBg==
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

2026-09-17T10:57:50.242376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052254
observed 79ad10e06345ee5f5c23900eb7a980d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.222774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052254/manifest.json
observed 565ea99b0457170351ea0446b60344fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.204642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052254/publication.md
observed 248defef85d59984944ecc6a052fddca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.185161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052254/publication.txt
observed e460c3ff5d8a521a18adb73d36736376...
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.