OpenTechnical

OT-2026-000033186

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000033186) never changes.

Identity and time

Publication numberOT-2026-000033186 · never reused
Internal UUID01a0ae75-4844-7b9e-8d7b-d329e58e3de1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033186
StatusPUBLIC

Content hashes

Canonical text66422f0baf353b89ed81dd5399c93c08cdad2630e65e110e979a1fa829ab28ae
Markdown156b9a304109aabef5bd99f98c84fdd0140259d4714b9bd5262ad6b61f868f5e
PDF
Publication paged022c43012a12ab72c697a21e751e24b583420c2cc680092e03b9e0a8bce3c60
Manifest74cd1fc1537d17f315cad1395e1e6d72e1efa29715ddebcfa38916b3388d8db5

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
SignatureOKdajfY28g0PKgei8be2co6vuG5ydB2jzF5asVl/ZSgehX12X6enWNGeUKpi+KHhn5uifrbZ22YDaij72Z2tCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:52.882616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033186
observed d022c43012a12ab72c697a21e751e24b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.866303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033186/manifest.json
observed 74cd1fc1537d17f315cad1395e1e6d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.849225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033186/publication.md
observed 156b9a304109aabef5bd99f98c84fdd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.833380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033186/publication.txt
observed 66422f0baf353b89ed81dd5399c93c08...
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.