OpenTechnical

OT-2026-000033022

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000033022) never changes.

Identity and time

Publication numberOT-2026-000033022 · never reused
Internal UUID01a0ae75-4843-716f-a58c-c0b7c3d682c4 · 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-2026-000033022
StatusPUBLIC

Content hashes

Canonical text84e06af88a49c84484bbf88ad722218cb29e67e0929230358b6493213c36b8a9
Markdown71efb50d44bda1e10f92d515012aa5c024fb52889b6ff87fa8bfde18df651f89
PDF
Publication page3978b06868ecfa9a695b7cd947cec9b5577485786665e96966e1c5c9d771ec4e
Manifest4191147d1260d98ace227b3c42be9ca34612b7f186e7373c3bd86b61b6e98a2f

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
SignatureRoylZVT/lToF0qMAM9cDEFomCLrFZ956DM5a4T0Ryw1XiJtEeG4KSGuyuoIzbbgwbA4xQOIpBnJoCJ/gQVHyAA==
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

2026-09-17T11:32:39.001372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033022
observed 3978b06868ecfa9a695b7cd947cec9b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.983656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033022/manifest.json
observed 4191147d1260d98ace227b3c42be9ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.965700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033022/publication.md
observed 71efb50d44bda1e10f92d515012aa5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:38.936122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033022/publication.txt
observed 84e06af88a49c84484bbf88ad722218c...
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.