OpenTechnical

OT-2026-000050146

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000050146) never changes.

Identity and time

Publication numberOT-2026-000050146 · never reused
Internal UUID01a0ae82-5c45-7f9a-afc1-4707ba042d8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050146
StatusPUBLIC

Content hashes

Canonical text4d0d536473b61a4a0da80f66d576d7ff92d4262718e2f6bfa06b54cc85d69962
Markdownf551837378b4e1cb0ce05e8a71d35dc6df93d21ee562a54b231d51f404ef9ab0
PDF
Publication pageb5cec1e2bbaeea32256efd2dded1f44e2385843e8b9aff6026ddb1b7e4f164c0
Manifestff2f835d1a239722560a0418bafb5aed9173526a89c5ab41c2ea743092cd0678

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
SignatureYSzOzaMQ6P3kS22XchIifSLfeGwPitL1mv0bo6IXyn0P2e7ufqQOiapdRo0MWdSJo5nckItMO4sUs910z0+zCw==
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

2026-09-17T11:01:07.075580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050146
observed b5cec1e2bbaeea32256efd2dded1f44e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.055993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050146/manifest.json
observed ff2f835d1a239722560a0418bafb5aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.037997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050146/publication.md
observed f551837378b4e1cb0ce05e8a71d35dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.019926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050146/publication.txt
observed 4d0d536473b61a4a0da80f66d576d7ff...
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.