OpenTechnical

OT-2026-000053305

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000053305) never changes.

Identity and time

Publication numberOT-2026-000053305 · never reused
Internal UUID01a0ae85-0a15-7c3d-a9ee-5ec52539b666 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053305
StatusPUBLIC

Content hashes

Canonical textc23afb53b1acef9d98dbf8d875b6ee372c8ba904f4cf1809fb7b831a4edd156c
Markdown608744fef6b13f8da44259be4a15e6f75ffbc730f06f0a0191e0e86710ced0a9
PDF
Publication page1657b5a76a7a66ebf0a750bc99c9bbceef3fee4aa80b961be8a246f8f1bc61f3
Manifest1296a9bcbefd067e8be90623697fadb88c9625c05257dfc75d2645971910629d

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
SignatureMy5KvlLpdMGriRywjIARaCfA+BV5VZQDWfm4Ygto5LR9MVtrZazN69KYMjjTuBkRHjJLKWU+Z1xsv4p2769PAQ==
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

2026-09-17T10:54:59.736727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053305
observed 1657b5a76a7a66ebf0a750bc99c9bbce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.717412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053305/manifest.json
observed 1296a9bcbefd067e8be90623697fadb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.699992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053305/publication.md
observed 608744fef6b13f8da44259be4a15e6f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.682577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053305/publication.txt
observed c23afb53b1acef9d98dbf8d875b6ee37...
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.