OpenTechnical

OT-2026-000017145

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000017145) never changes.

Identity and time

Publication numberOT-2026-000017145 · never reused
Internal UUID01a0ae6e-76c7-71ca-a4a8-05cd2ab09e9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017145
StatusPUBLIC

Content hashes

Canonical text65dc87e0ff2b40be322e58df24471ab121a31250b05aac969aa68afed2f988d1
Markdowndb647d28121a43b99e3ea1e8c1d0a143a3b94a7d2071617a063969a26b4b165a
PDF
Publication pageeea44045df2122be0201d639a08984e1392618517f8ff6cced39295e7bd3eea4
Manifest6c6aeb8ed021bf23248ee0e55b85fd571a953639ecf0de04b843b607fecd2fe3

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
SignatureoRSSxbZFCe4l2uUjcTcJad4peq1cA8rd223M6ZfS5IVukc6P/qR5qs7sN8Ih0t75H8lLhqCyvQKcjAzn/PQDBg==
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

2026-09-17T12:02:12.297647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017145
observed eea44045df2122be0201d639a08984e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.281341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017145/manifest.json
observed 6c6aeb8ed021bf23248ee0e55b85fd57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.264563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017145/publication.md
observed db647d28121a43b99e3ea1e8c1d0a143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.247674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017145/publication.txt
observed 65dc87e0ff2b40be322e58df24471ab1...
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.