OpenTechnical

OT-2026-000058038

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000058038) never changes.

Identity and time

Publication numberOT-2026-000058038 · never reused
Internal UUID01a0ae88-6eda-7342-ab38-9eae696077e7 · 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-2026-000058038
StatusPUBLIC

Content hashes

Canonical textbda7d272aacf5f51604ea878dcaac11c9d53aabea1aadd9982eb9b286cb5a5f9
Markdown5f802bc8be6a68e9181e7976886580956c72236ed5477c5a443999fa8173507d
PDF
Publication page57491a2d9e40bc486c224cb62228e68cc4546aac47973cd10af815f5531e7e67
Manifestab4672c126d16e7b9f4566111794009a71e99b8ba4ca7bf533e734e221161515

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
SignatureFyBuvAyFeGqCy/56vroNOo1VWuj6k2/PrwmASP+Nqpp2GS+/dOSUl3R9vCxz5Rb7mXkpRzL8tuCM/LXtwDdyAg==
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

2026-09-17T10:47:41.076690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058038
observed 57491a2d9e40bc486c224cb62228e68c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.060052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058038/manifest.json
observed ab4672c126d16e7b9f4566111794009a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.042309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058038/publication.md
observed 5f802bc8be6a68e9181e797688658095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.024242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058038/publication.txt
observed bda7d272aacf5f51604ea878dcaac11c...
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.