OpenTechnical

OT-2026-000029935

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000029935) never changes.

Identity and time

Publication numberOT-2026-000029935 · never reused
Internal UUID01a0ae73-ac48-730c-8abc-ee9eb05e5484 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029935
StatusPUBLIC

Content hashes

Canonical text5abf86b0924a0a8f4ee638f7300b34453bbadc4148fa563c39dfdce4d0599b8a
Markdowna8ea00a3c47a06d1f88fe98e88227e4078bfd219aaf39fd686e200e77947bba3
PDF
Publication pagefc92340e871c696e4f314497ad3a321bde40a5706b174e308d913bd1fe8c80f2
Manifest87db0684ae6e9155d74862c428f5f0193a9a8e8894e987dc8fd9df6dce1e9753

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
Signatureb8yvPJd+UEQBPp+7dqEKWU4PjJukYTdNrFctSR+XRypFeGJnn7ZyPXgjMdiC9SGEUz3LV1lhGSY3BsCM8uZrCQ==
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

2026-09-17T11:38:38.751339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029935
observed fc92340e871c696e4f314497ad3a321b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.733897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029935/manifest.json
observed 87db0684ae6e9155d74862c428f5f019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.715353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029935/publication.md
observed a8ea00a3c47a06d1f88fe98e88227e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.697030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029935/publication.txt
observed 5abf86b0924a0a8f4ee638f7300b3445...
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.