OpenTechnical

OT-2026-000007531

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000007531) never changes.

Identity and time

Publication numberOT-2026-000007531 · never reused
Internal UUID01a0ae62-4df5-7f8f-b231-525192d6b3b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007531
StatusPUBLIC

Content hashes

Canonical text8cee38823cade329b0f7dfad3057f65fd7b2f8f838f4f9285f87b3935da8fbfd
Markdown0c17e4e7aa80030fae33f5d9313c868d355be71d6ee91305cb263af99d5a77e8
PDF
Publication pageb1d09defbc4df1c92c8e7e1d03af44301104919fdfc618c6943203d77257f9a2
Manifestf1338b2fb78cd69c952cbc5792db2b128daae65fe529bb5c5a567c31be5457f4

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
SignatureZu9+Tif4YmeKjxQ1dyD3yqpIxrHlG7zzZbHFB2OMDupq7aDMEQejy8SIFnOsrSjAn2dapBuyrwJYzBSFHEPHCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:22.426110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007531
observed b1d09defbc4df1c92c8e7e1d03af4430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.408070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007531/manifest.json
observed f1338b2fb78cd69c952cbc5792db2b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.391185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007531/publication.md
observed 0c17e4e7aa80030fae33f5d9313c868d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.374738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007531/publication.txt
observed 8cee38823cade329b0f7dfad3057f65f...
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.