OpenTechnical

OT-2026-000029344

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000029344) never changes.

Identity and time

Publication numberOT-2026-000029344 · never reused
Internal UUID01a0ae73-5e20-7d5f-ab11-0e1520b642db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029344
StatusPUBLIC

Content hashes

Canonical textfe6d0266732a9d621d6680ed2e5ee9508d5af5b00ee0a80f866f7ec76da0f744
Markdown4a2248f5a7e8157ec7498d0ca07e168aed3bfadb60adba029897506f14c69767
PDF
Publication page905dce43e531aac94cbd5c8fbbd7854bc8edd142b84fddb0c75fc466613647a7
Manifest02698034f406ebe81af26b56c1a83955b7f605e7e884a6abd3cbf83df1fdabf8

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
Signature4y11QbTwPwPm2gsKzVW3cJfMbBqToY7jso7jTalTgq+t6SWoh30kAcHGthMvs04XSmUBGUkRdV7D9Ej6dEivCg==
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

2026-09-17T11:38:53.745621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029344
observed 905dce43e531aac94cbd5c8fbbd7854b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.724296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029344/manifest.json
observed 02698034f406ebe81af26b56c1a83955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.707596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029344/publication.md
observed 4a2248f5a7e8157ec7498d0ca07e168a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.691399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029344/publication.txt
observed fe6d0266732a9d621d6680ed2e5ee950...
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.