OpenTechnical

OT-2026-000059513

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000059513) never changes.

Identity and time

Publication numberOT-2026-000059513 · never reused
Internal UUID01a0ae89-8619-7d08-8a8d-564894f09289 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059513
StatusPUBLIC

Content hashes

Canonical text6b7841497c634f0191ae78f233411ed4bd81bb91583d081b42ec572a460c56de
Markdown5b84525bd52e4a1013af91e90ba118ad7872fb8641c3575a0f91536de5c31ad5
PDF
Publication page32f85fe446f505b1645304570a676099d738ef97db6a0680a1eac408f2ddc061
Manifest0e6d70aa02d718e0f882f313da8a16fe3c9e3cf6886a2412d0948bde901d572b

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
SignatureuPlC9ImJ2tlTBMTKWBrWvzpDuPXGdp6CX4hiooDB6Y083gMs9nPQ9BXEPr0oFdvse/2kwEJJ4MmW0yN7eyqoAg==
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

2026-09-17T10:46:13.797053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059513
observed 32f85fe446f505b1645304570a676099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:13.776101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059513/manifest.json
observed 0e6d70aa02d718e0f882f313da8a16fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:13.755894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059513/publication.md
observed 5b84525bd52e4a1013af91e90ba118ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:13.736850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059513/publication.txt
observed 6b7841497c634f0191ae78f233411ed4...
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.