OpenTechnical

OT-2026-000034655

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed 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-2026-000034655) never changes.

Identity and time

Publication numberOT-2026-000034655 · never reused
Internal UUID01a0ae76-1ed1-73c1-bb22-a4854e428753 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034655
StatusPUBLIC

Content hashes

Canonical text7da41d8e2448a3feda754718a6c9b0d13606a14bb9dcfb07e35dacf5b07e082c
Markdown14fc7126d803c6a86393d65d0887ca2074060702a8df58e7d1de0d03e0784abc
PDF
Publication page825327e52de2ac8fc91ff8aaa0c35ae8022df73ee69b4f804ccc90dfd22adadf
Manifest7453639ecca7564c7ad0115b11d333aaebf6a9f46a129d573d066ef2c373161a

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
Signaturep2GhyKzTk21ruxw3LuxJ32kzAiPFl9nFVC8PdK+iuXy4age7xcTPCcogmbQj2HAjq6+65vnMc2YnxOA7/O4pBQ==
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

2026-09-17T11:29:02.825823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034655
observed 825327e52de2ac8fc91ff8aaa0c35ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.808831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034655/manifest.json
observed 7453639ecca7564c7ad0115b11d333aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.792535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034655/publication.md
observed 14fc7126d803c6a86393d65d0887ca20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.754620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034655/publication.txt
observed 7da41d8e2448a3feda754718a6c9b0d1...
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.