OpenTechnical

OT-2026-000048202

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000048202) never changes.

Identity and time

Publication numberOT-2026-000048202 · never reused
Internal UUID01a0ae80-4de2-7655-92de-60532555e79f · 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-2026-000048202
StatusPUBLIC

Content hashes

Canonical textf7df37505d2825a169cc9280c8aa58b76df636a6c8911351a93c87fdb6076dfb
Markdownff2851ab3d5775ed1827aa6aae67de132a0fa6fcf6aad74d83f4473607cc7ecc
PDF
Publication pagecb299388b6c1b90b3bf5e9661247f4acd1feb268440b62763d5c5fab80f5dc27
Manifest3a6546137b39f5a614a15ae3ef87f7ca25d13b4b1ead09980cea1be944d8a2ca

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
Signature6HJbfAkJ1fDxuHKoiS2rfN4y6aqjOqqe1oHRlDN8+RY1dnMDkNeE6TSX+gBcN3AooRfCzschrF+h8gKBtOQpDA==
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

2026-09-17T11:04:44.866759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048202
observed cb299388b6c1b90b3bf5e9661247f4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:44.846082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048202/manifest.json
observed 3a6546137b39f5a614a15ae3ef87f7ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:44.826846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048202/publication.md
observed ff2851ab3d5775ed1827aa6aae67de13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:44.808038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048202/publication.txt
observed f7df37505d2825a169cc9280c8aa58b7...
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.