OpenTechnical

OT-2026-000058045

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump 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-2026-000058045) never changes.

Identity and time

Publication numberOT-2026-000058045 · never reused
Internal UUID01a0ae88-6eda-7ed5-a2f0-c12b02455644 · 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-2026-000058045
StatusPUBLIC

Content hashes

Canonical textbe949bdb629abed9ca3f2a33625d96afbde7293096724bd69b2a62a03feebd7a
Markdown0b615a8ff8b856279e2726b4eb74275fec191ac7b1caa8535f60d98be2574181
PDF
Publication pageac1b4e5b72f643557cb234e15600110216ca455eb373fc54fa0cc1312be6ffd7
Manifest27655dceeb8a9833757a93ea8c8bc6371c6426a5a85124d0751757013856e103

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
SignaturepjvJU6XhqWvMyeLVgQkNw2+KrAY7iePz1jsMD/J5X2k1V9aSuTy62zFZp/0CfCpKHpc9+SOyfiZEDoxJVW1LAA==
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

2026-09-17T10:47:41.608177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058045
observed ac1b4e5b72f643557cb234e156001102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.591592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058045/manifest.json
observed 27655dceeb8a9833757a93ea8c8bc637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.574062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058045/publication.md
observed 0b615a8ff8b856279e2726b4eb74275f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.553693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058045/publication.txt
observed be949bdb629abed9ca3f2a33625d96af...
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.