OpenTechnical

OT-2026-000033311

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000033311) never changes.

Identity and time

Publication numberOT-2026-000033311 · never reused
Internal UUID01a0ae75-8980-7fc7-b37c-1c9005894bad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033311
StatusPUBLIC

Content hashes

Canonical textda1f9322f80b0499e287f92cbaf91411f258e513fbffb14659c9dee3a7b361f4
Markdown1e706f139548241cc4430a62c1ff16c614e69147329647a207230b9faeadf9f1
PDF
Publication page3818acf8d9db8fb921b0e3a6c39e198e5aecda96c1b8e71a091cdba9077697fb
Manifestad2dc4e5cd54b9a8545d9190f7c2f7a7b8b27f72e93e48b104f97738484e4036

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
SignatureP39bER0GwsCGCWpH6zGaYHL8jILusnEBpVfKZkLrjiARWPE0MZ59wyWRg5WYoEPZGcnvxaSn6n4Xy4+HnicaAA==
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

2026-09-17T11:32:03.571238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033311
observed 3818acf8d9db8fb921b0e3a6c39e198e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.550944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033311/manifest.json
observed ad2dc4e5cd54b9a8545d9190f7c2f7a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.531494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033311/publication.md
observed 1e706f139548241cc4430a62c1ff16c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.515678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033311/publication.txt
observed da1f9322f80b0499e287f92cbaf91411...
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.