OpenTechnical

OT-2026-000048311

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000048311) never changes.

Identity and time

Publication numberOT-2026-000048311 · never reused
Internal UUID01a0ae80-4de3-7677-95f1-508d34b551a1 · 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-2026-000048311
StatusPUBLIC

Content hashes

Canonical text40864899cc42088daf4d69a91779566d0f46d015c765f752336f5a3c02e73867
Markdown5bd202a0535cd69d8cdf94511de39cbd070c0f9435c993416984daa7624267d0
PDF
Publication pagec7a974e2f0ee71f3b26559e6f53508d829e17be3d270ece7d42f28240e970e1b
Manifest3370d1eb52e98a8af35a3d7c8d244d48b178793ad28b82173497d541a706a0df

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
SignatureU+x10ObjY+9Qk9PJKXiCZJ33llrMKKMRaMv3zNI0OBQURSYP02uaq2lOG4E25YtUT57QHsYD6ZY0lRz5uP9YBw==
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

2026-09-17T11:04:54.495335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048311
observed c7a974e2f0ee71f3b26559e6f53508d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:54.476347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048311/manifest.json
observed 3370d1eb52e98a8af35a3d7c8d244d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:54.455618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048311/publication.md
observed 5bd202a0535cd69d8cdf94511de39cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:54.436279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048311/publication.txt
observed 40864899cc42088daf4d69a91779566d...
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.