OpenTechnical

OT-2026-000058100

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000058100) never changes.

Identity and time

Publication numberOT-2026-000058100 · never reused
Internal UUID01a0ae88-6eda-7ad4-9427-8a4a58b147a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058100
StatusPUBLIC

Content hashes

Canonical text3b7a7e5dba457f14eb6a6f4b09f4ea552bbbc18d95be2723b7208eb3d68dfc1a
Markdown49de1ddff0469ec4b3d13e98460574d7137579f9e539633107d09f6ba394e6fe
PDF
Publication pagead85a05c6bdf7a067e7a12017f072ec0c0a9f00f1f45ef54a3481b00126b942e
Manifest8aee6603904f381fbf1d0b83d86862ff787a13060f4dd1f05f54be1288957280

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
SignaturekpJYEnwYbwKF/xbR1gDE/OMUpwtOpRAD+GLrQ/g2UZH3RCFLWOopFnicowF71i+7IZfULm4oUlix7IJLRN0iAQ==
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...

Independent retrieval

2026-09-17T10:47:46.132287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058100
observed ad85a05c6bdf7a067e7a12017f072ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:46.114064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058100/manifest.json
observed 8aee6603904f381fbf1d0b83d86862ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:46.095203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058100/publication.md
observed 49de1ddff0469ec4b3d13e98460574d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:46.077109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058100/publication.txt
observed 3b7a7e5dba457f14eb6a6f4b09f4ea55...
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.