OpenTechnical

OT-2026-000033037

Publication integrity record

Single cup vacuum gripper, three 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-2026-000033037) never changes.

Identity and time

Publication numberOT-2026-000033037 · never reused
Internal UUID01a0ae75-4843-7ba7-86eb-7d5aefd00ef6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033037
StatusPUBLIC

Content hashes

Canonical text5de557bb56289916effd30cdc9712581713135555192d606c965d0f048909171
Markdowndc77f7a6f48b230c6bce7d878ea4b9e9aeb3b1d023011a485a39511ce344e30e
PDF
Publication page13300af6f791f8e7993cc48f56bb2bd60d008284da3febd9826c65abff001110
Manifestab77fe5b0616ecf1d0da8fc4da8cb79b0ebde58feeabaf04e59485911806c52b

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
Signaturej1uD+PdOvXoFti7ntMvnKHMsP2Hyw6LnZkoH57zYW/RPsAYzcmpCx/hz34Vs5j1FlXXdxvg71US8l7yG5vgQCA==
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

2026-09-17T11:32:40.408901ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000033037
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:40.391695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033037/manifest.json
observed ab77fe5b0616ecf1d0da8fc4da8cb79b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:40.372775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033037/publication.md
observed dc77f7a6f48b230c6bce7d878ea4b9e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:40.346334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033037/publication.txt
observed 5de557bb56289916effd30cdc9712581...
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.