OpenTechnical

OT-2026-000058674

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000058674) never changes.

Identity and time

Publication numberOT-2026-000058674 · never reused
Internal UUID01a0ae88-f39d-7c47-a878-f7e30f6940d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058674
StatusPUBLIC

Content hashes

Canonical textbf4355754867680d408f3f951727ce2c2cd7a0b5c4dd16d5363cc04530c93f2d
Markdown767c4131e4639c80c00f507fed348360ec933bed732fd65c0be05e6fe76efb34
PDF
Publication page552f63e643c90a42b5309613d9dbeeba68a0b01e7bdb331f537cd32d35844f6a
Manifest216eacd2a762f9cac4543213b3e76ad7f3c49aaf052a50b5dd4da351e5088302

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
SignatureiOFmnbDvEEI2LH3tkpR4GbMfZZ3wBmCzVjjYaXMAnTKe0oP3dZlKzEkV2v+hI2YsUVBL2wMFwxxO6LDJ82pgCw==
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

2026-09-17T10:47:11.595616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058674
observed 552f63e643c90a42b5309613d9dbeeba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:11.578177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058674/manifest.json
observed 216eacd2a762f9cac4543213b3e76ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:11.561162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058674/publication.md
observed 767c4131e4639c80c00f507fed348360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:11.543031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058674/publication.txt
observed bf4355754867680d408f3f951727ce2c...
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.