OpenTechnical

OT-2026-000042668

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000042668) never changes.

Identity and time

Publication numberOT-2026-000042668 · never reused
Internal UUID01a0ae7a-c0cf-7581-bbf4-2495c30ae413 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042668
StatusPUBLIC

Content hashes

Canonical texta954f60e34342727f5e3f59126dab6ab3560e22e693f2b2c3e2b0f5eb79a0df5
Markdown19a48f1b7be42455d0facc4fd86561edb21041952ecb5c141849afecafed245f
PDF
Publication page2320bf6d29e0cebe75a577128d0d697f5fa1e9c072cc6c86d2938b99e6c845a4
Manifest04613d3fa3ca0bc10d6f19abe1d7fc8e8495c69fd3c6d7e9b4cdf65c4bb59090

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
SignatureLnWIrX0fl5BGPKmQkx4KBPL1r/pqh8M/xF7jZY4rRQHOl5kwdmCQQukDzcS5f7igMwIsLSTB9C0/yJx4Ev5nCA==
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

2026-09-17T11:15:00.902774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042668
observed 2320bf6d29e0cebe75a577128d0d697f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.883614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042668/manifest.json
observed 04613d3fa3ca0bc10d6f19abe1d7fc8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.864374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042668/publication.md
observed 19a48f1b7be42455d0facc4fd86561ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.844595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042668/publication.txt
observed a954f60e34342727f5e3f59126dab6ab...
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.