OpenTechnical

OT-2026-000082215

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, sustained 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-2026-000082215) never changes.

Identity and time

Publication numberOT-2026-000082215 · never reused
Internal UUID01a0ae97-4d94-7989-8d40-c8aaa8d46f93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082215
StatusPUBLIC

Content hashes

Canonical text27f4cce2a06d5e9c56889d75ffb16fb0ad6e5f5d4b6624ddca1c6a1ae394a72a
Markdowndb318acdadead6c5a5f4c53320f67ce85af3605d3ea7e679ea943462f8d660cd
PDF
Publication page52534c52c9386e9b050d465477b3cac884dbbe0ed2da0f3d931da85d3060536b
Manifestc9bb67d1e344998415c69602d61fb9f7491a66875f920e3be614b82e2027d8cb

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
SignatureQuJs3BmA0q9+47G8Nbq6Au/eGSCWQTtOUQjQ0UN6EQPJDG1cyQjnGtzhEweWU6MgqF+mlmCIXnj+5R7J7HkEBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:03.223290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082215
observed 52534c52c9386e9b050d465477b3cac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:03.198572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082215/manifest.json
observed c9bb67d1e344998415c69602d61fb9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:03.096048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082215/publication.md
observed db318acdadead6c5a5f4c53320f67ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:03.078851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082215/publication.txt
observed 27f4cce2a06d5e9c56889d75ffb16fb0...
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.