OpenTechnical

OT-2026-000048325

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000048325) never changes.

Identity and time

Publication numberOT-2026-000048325 · never reused
Internal UUID01a0ae80-4de4-75bf-af79-46e3ba1d9d08 · 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-2026-000048325
StatusPUBLIC

Content hashes

Canonical texte27fb1f461b9aae0d6fbc4dd1655a7db8783ce83a6294c7cc3f20a3f23f7fac2
Markdownec5ab312bb3d18475023869e3935092498984f7a7e007ed0aaa36967264f9909
PDF
Publication page568af5914bbda2c85c70fe6321224c3edc74406128694843ba270546da7bdae8
Manifestd86697b8071e3b57e674948e3de6479b39a7c9a3c511c998915d129d48e26eab

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
Signaturexn8mneBUp6zWo6Gng3gXNZfOlIDDseKPtY8ZGF1A2L2G54deNTMh3PTienUT+2oj+z0TkoJ72mOYsJdNNn/PDQ==
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

2026-09-17T11:04:55.699500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048325
observed 568af5914bbda2c85c70fe6321224c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.680282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048325/manifest.json
observed d86697b8071e3b57e674948e3de6479b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.661489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048325/publication.md
observed ec5ab312bb3d18475023869e39350924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.644331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048325/publication.txt
observed e27fb1f461b9aae0d6fbc4dd1655a7db...
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.