OpenTechnical

OT-2026-000038001

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038001) never changes.

Identity and time

Publication numberOT-2026-000038001 · never reused
Internal UUID01a0ae77-f88a-7025-90ca-a2d061cbab99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038001
StatusPUBLIC

Content hashes

Canonical texte7a4103df517b342f214f58d2855f1178dd4c228ce26eed9b71376974692284d
Markdowna851be475c29691afb287d810458c3d70afab400ea72b84da2133c7028e32aad
PDF
Publication page72015338411191ca57c3954be0000951ddca8dfa62c35df3a595ce8736c34cf4
Manifestc45d6dcc3c940fc2da2f2ed0410bf2bc6395d7da690f46ff5097031c6dc1a143

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
SignatureHyw4OqMjawoPWqnqaPqmpl+vd+jLFNMu8CGLtDHywDr6lcD31sRweuKN0aPJP8rPl8NqLB2WdzG0QFsHnBmDBA==
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

2026-09-17T11:23:18.076158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038001
observed 72015338411191ca57c3954be0000951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.056000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038001/manifest.json
observed c45d6dcc3c940fc2da2f2ed0410bf2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.037469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038001/publication.md
observed a851be475c29691afb287d810458c3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.018147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038001/publication.txt
observed e7a4103df517b342f214f58d2855f117...
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.