OpenTechnical

OT-2026-000029616

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000029616) never changes.

Identity and time

Publication numberOT-2026-000029616 · never reused
Internal UUID01a0ae73-5e22-797e-a82d-ac22103fe211 · 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-2026-000029616
StatusPUBLIC

Content hashes

Canonical text7dfc1997fb4ab2c522cfd5859751cb33dee7206fb11f03b2680c20b8df0918b8
Markdown8dd416aadad30391120a3ba2e1a653ecbd6205938a8c8d670889bc70d37e93fc
PDF
Publication page91915a7d1698ab0f0b5083803e311017420d7065a3ede4501f4c6fc222af492d
Manifest9909fde3971cffa0322f227ba2cf4864151b44628540a2dcc50df5bdbf2b06c8

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
SignaturekjNW+hyw9l17kMpeVdDdQYyY6CruDibTkBXiNfUZUvyi+IqKsRAs/Xf0Ew0v6SKyGilVnh2mCvInZC6uJJKiAQ==
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

2026-09-17T11:39:19.322204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029616
observed 91915a7d1698ab0f0b5083803e311017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:19.302775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029616/manifest.json
observed 9909fde3971cffa0322f227ba2cf4864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:19.283800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029616/publication.md
observed 8dd416aadad30391120a3ba2e1a653ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:19.267939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029616/publication.txt
observed 7dfc1997fb4ab2c522cfd5859751cb33...
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.