OpenTechnical

OT-2026-000052546

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000052546) never changes.

Identity and time

Publication numberOT-2026-000052546 · never reused
Internal UUID01a0ae84-573b-7262-9e24-6cfb2d2a7228 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052546
StatusPUBLIC

Content hashes

Canonical texte5b76932b6264bdcbc83616bda8b7d7e44cef7af2223726d174c57392adc2146
Markdownfca7cdc98149c7fce004fd38fdceabbac485058020498a28d0aa32fb347f5f51
PDF
Publication page93f93aeb6f93a33266881686841a171311445c94313a6193b4b5df9caa9533ea
Manifest78a967785485f99a6dee8d262d2c4932252d3cb4bf064508cdea974d5c4f33ab

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
SignaturejCrUQx7lLh4On/jnN0GVP9JEMP1eKyOFinEuKGOqiSMEis/kTVQ1huK9djP1OKUt3V4IPVlTL6aUdzJ2Bb6/Bw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:11.941345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052546
observed 93f93aeb6f93a33266881686841a1713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.920665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052546/manifest.json
observed 78a967785485f99a6dee8d262d2c4932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.902381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052546/publication.md
observed fca7cdc98149c7fce004fd38fdceabba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.884303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052546/publication.txt
observed e5b76932b6264bdcbc83616bda8b7d7e...
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.