OpenTechnical

OT-2026-000013128

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000013128) never changes.

Identity and time

Publication numberOT-2026-000013128 · never reused
Internal UUID01a0ae6d-6fc8-7273-80e3-2ad66e1558d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013128
StatusPUBLIC

Content hashes

Canonical text8a67fe572bd8fe7c5eb376c64fec2a902337c43823ef358f7b03122de273f92d
Markdowndab7d3c35967c09d432c5c5dc585f4447325daba153886f86f9dab1b2798f010
PDF
Publication page7abee7ab3e7efa0f2d8dee0f3c1fca7e180b66eed76c80fb443ce73e6cadcf61
Manifeste05a0b577e1232f9e34d85b75d2b0ff8e3b7ec20b8e50b8063997268a13ff63b

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
SignatureJRhREkXn/TXtTK1tdqSVOC7KOeuB1yEr7fBDSIjw/EEZRWB97fcRnfAnqoorRul39LJebfSt+WvKBMnHKdpHAQ==
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

2026-09-17T12:09:25.123900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013128
observed 7abee7ab3e7efa0f2d8dee0f3c1fca7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.107067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013128/manifest.json
observed e05a0b577e1232f9e34d85b75d2b0ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.087523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013128/publication.md
observed dab7d3c35967c09d432c5c5dc585f444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.067634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013128/publication.txt
observed 8a67fe572bd8fe7c5eb376c64fec2a90...
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.