OpenTechnical

OT-2026-000058734

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000058734) never changes.

Identity and time

Publication numberOT-2026-000058734 · never reused
Internal UUID01a0ae88-f39e-7b22-8d76-84d3b16d4a72 · 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-2026-000058734
StatusPUBLIC

Content hashes

Canonical text95c16d339a4ea8f2d0723610f22957cf07ad9e0d54f58a6293b9de4d28cf5e4b
Markdowne3bd1cf54f32b5df22245c6feba2cee811fff047f24b2adf9d5fc9c0aaa057dd
PDF
Publication paged753814e4c7fb80e89266d55bbdfd1ef9ae7d56a0317fe8a026c801b70a656e2
Manifestac62c30aced452be9a0b8403972e5b8ac81ebb568eb637a308b5fd1aedc8d5a1

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
SignatureDjmVpt/AWROCxNiMfOog/lELOdhICY7otV+Gz8kt+VJarTOSdH5tHeA7OzsvkyooAXxnJjSn2m9PPxiLxZkEAw==
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

2026-09-17T10:47:16.081599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058734
observed d753814e4c7fb80e89266d55bbdfd1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:16.066107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058734/manifest.json
observed ac62c30aced452be9a0b8403972e5b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:16.049209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058734/publication.md
observed e3bd1cf54f32b5df22245c6feba2cee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:16.032234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058734/publication.txt
observed 95c16d339a4ea8f2d0723610f22957cf...
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.