OpenTechnical

OT-2026-000035808

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000035808) never changes.

Identity and time

Publication numberOT-2026-000035808 · never reused
Internal UUID01a0ae76-b4c9-7ca2-96d6-e932bb1724a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035808
StatusPUBLIC

Content hashes

Canonical text0545f831b0d6974dda4bb5d67f97684841be5fd436b3d15486eee9a125447ceb
Markdown669ae01b2b19ff17f88d35cac6b6396ea8577b035d6ac1c721a9467d31f02485
PDF
Publication pagec58795457cb6637ded889eb246bc4a3ac4d7e45a1e67dcf611d72eac7d34b3a2
Manifestab2c156613b6798b63684e739fa08202b036c856c7da423bf813fa9d58309689

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
SignatureqproxO35TIEs2zD1ffs/yklcofP3xZ7KmmgGbTciB3oVAWgUgLbq2KZYZr8vkHJyyqDZH5uWsSBeA7rHZ92sDg==
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

2026-09-17T11:27:31.237793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035808
observed c58795457cb6637ded889eb246bc4a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:31.214964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035808/manifest.json
observed ab2c156613b6798b63684e739fa08202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:31.188926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035808/publication.md
observed 669ae01b2b19ff17f88d35cac6b6396e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:31.163638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035808/publication.txt
observed 0545f831b0d6974dda4bb5d67f976848...
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.