OpenTechnical

OT-2026-000031599

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000031599) never changes.

Identity and time

Publication numberOT-2026-000031599 · never reused
Internal UUID01a0ae74-87af-78ef-be8c-618b91fb73a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031599
StatusPUBLIC

Content hashes

Canonical text229900bacc6326375c8af0c9ebb9df9060ec32d28d2d0abb6ef001dc11baa680
Markdownd6f999c5a06cf642c104a33fedafad5e2d1e7219e10a94056134ae8f372a464a
PDF
Publication page7e06b98c263b974a362a58e24221cf0baf15e4d6b8cc7a7d076d4d4e3b586bb2
Manifest0be860199227411e377bd4023e518bff0b2e4124d97df30b73d8c486b52996cc

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
SignaturefIyfbjHqHvYXSf941Wz/LNBYftLYB1WH/n1i3L2MQm/iEGEFcqKu75FVlPaAfzxLWnlj0u8OAUI3JGH8F4uvDQ==
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

2026-09-17T11:36:27.380852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031599
observed 7e06b98c263b974a362a58e24221cf0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.364662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031599/manifest.json
observed 0be860199227411e377bd4023e518bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.344768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031599/publication.md
observed d6f999c5a06cf642c104a33fedafad5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.320402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031599/publication.txt
observed 229900bacc6326375c8af0c9ebb9df90...
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.