OpenTechnical

OT-2026-000058978

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000058978) never changes.

Identity and time

Publication numberOT-2026-000058978 · never reused
Internal UUID01a0ae89-47a0-702a-9799-30bab16754e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058978
StatusPUBLIC

Content hashes

Canonical text57ef7e680968320889973c4e25deebc990e06149e66bceae8ee8c6453885bf11
Markdownf9bbc3ad5f43d4dd49f57065d65c351eade9f770e8763ebce0f307f2a76ea44d
PDF
Publication page3e01c7b3705d3bb901375af81edbb81a6085b3b52c442f366ab0ee90397cd084
Manifest0ef03841573f145ddcf58480cf4a11195a4bc25c56997be4e5f34c8268dfcaa2

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
Signaturexa8h7YKRKt7wBzjuXGwSbus/4O2rRAsZboedh5pKZEPbdLXcPvA/bFbXqVEvIiiTFQejYfBN75YG9zgbGX5aBA==
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

2026-09-17T10:46:33.630793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058978
observed 3e01c7b3705d3bb901375af81edbb81a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.612830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058978/manifest.json
observed 0ef03841573f145ddcf58480cf4a1119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.593362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058978/publication.md
observed f9bbc3ad5f43d4dd49f57065d65c351e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.575439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058978/publication.txt
observed 57ef7e680968320889973c4e25deebc9...
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.