OpenTechnical

OT-2026-000074474

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000074474) never changes.

Identity and time

Publication numberOT-2026-000074474 · never reused
Internal UUID01a0ae93-717a-7d4c-b246-1879862d3086 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074474
StatusPUBLIC

Content hashes

Canonical texted26f9e7c59f647c02c969d38d72bfc658f876c4702739a35b2a89374f6efa98
Markdownc67bbf52ddab21c5b8f7a48a10d09d5387d51005efad2fc6ffc74fd35b84714e
PDF
Publication page45c960ea510f98f7cd6108495e66cb95168fc76dbc3b25de9be1e5d3285b1e04
Manifest0ce0a1520a69941419205a611db1f079c76245fa008d0c1683aeed7650d52cb5

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
SignatureJNQ0gVA/BR9s/aQxtwaqOCworl9smspxZFUYeLNK/Pmh7c0i0n2b6Rehi4jE7LcWasD5Hu0t/1dE2SQzwyWyCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:26.195161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074474
observed 45c960ea510f98f7cd6108495e66cb95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.176180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074474/manifest.json
observed 0ce0a1520a69941419205a611db1f079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.155835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074474/publication.md
observed c67bbf52ddab21c5b8f7a48a10d09d53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.136863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074474/publication.txt
observed ed26f9e7c59f647c02c969d38d72bfc6...
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.