OpenTechnical

OT-2026-000102053

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed 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-2026-000102053) never changes.

Identity and time

Publication numberOT-2026-000102053 · never reused
Internal UUID01a0aea4-50f2-7f02-9622-270622706c5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102053
StatusPUBLIC

Content hashes

Canonical text00669036648429e44317ed8439817a61779285749e6c97d75081920164876379
Markdown25bf3bdb507daf788fbc9fda59bd36734bdb7672d9ba6efc90195dafdc819668
PDF
Publication page783635310eaac065e0738ea87008752c5c4b8be9740ce9a3dba95077eed6d908
Manifest8ee2afdf0368e6e4749021a490ff0f50b201965a86cc7f10f8e9807c8b2d078b

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
SignaturenJqehK8w14h6epeGV6YVSudWIVWZtrfP8zlK5X+6F8PjTu3D27u4NehLYcPXQUWyaRJ/ydeCf4gQcFH5/jeFAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:11.707143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102053
observed 783635310eaac065e0738ea87008752c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.685311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102053/manifest.json
observed 8ee2afdf0368e6e4749021a490ff0f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.665845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102053/publication.md
observed 25bf3bdb507daf788fbc9fda59bd3673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.648806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102053/publication.txt
observed 00669036648429e44317ed8439817a61...
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.