OpenTechnical

OT-2026-000048514

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000048514) never changes.

Identity and time

Publication numberOT-2026-000048514 · never reused
Internal UUID01a0ae80-4de6-7b26-9202-117e42d27901 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048514
StatusPUBLIC

Content hashes

Canonical text7641f6abc263578d42d92a5f0f5bf165234b993550473716cc8a114b20871880
Markdownbaf6124ebbaaf58872c2949435ccfdacdbef3bbd86329bf5d610d0c763873edf
PDF
Publication pagef2ef1538ba8dbd19028571c449b3b89238618b20d6917c58b5785a4323f51835
Manifested45b1024dc2cd18e01d7c22f3a79fe74efd704ea812f7d3b2909050ed38d542

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
SignatureTlTB0n/nLHckkknplVhXUknyMXJWcLR2IGBDrQ7cEof0Q8jHoCrYWqjE550hvYPkhbCdu/QJ6ZCYD3Dx6CuwBg==
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

2026-09-17T11:05:11.557758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048514
observed f2ef1538ba8dbd19028571c449b3b892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.540388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048514/manifest.json
observed ed45b1024dc2cd18e01d7c22f3a79fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.521789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048514/publication.md
observed baf6124ebbaaf58872c2949435ccfdac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.502452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048514/publication.txt
observed 7641f6abc263578d42d92a5f0f5bf165...
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.