OpenTechnical

OT-2026-000090595

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000090595) never changes.

Identity and time

Publication numberOT-2026-000090595 · never reused
Internal UUID01a0ae9c-7f2f-796b-b989-9a6ca8471521 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090595
StatusPUBLIC

Content hashes

Canonical text1252e9bb9dc391ab3b6ac327896a587ca9e0eb615b94835fb0c8de31d69f7993
Markdown1c8e654347ab01754ea31a9e2ab849559c34cd0c4cf207355c08eec2c970fd47
PDF
Publication page8c897763e3ac520a7c04c6c219da3cec67a38b1ba4f89b79930c4a2b6ddf401b
Manifest9cab5beafc27f4e6f0f645ed932fe28b53aa1cdcc325e1607201be7e1f755637

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
Signatureko+ddCBeiA84dYqFRwlTSR3TUenyKdk9jv+jPjeJ+HPNYflnqbZwjE4J04qovF0OTWQjWZOFoRlb5b+iYPGUBQ==
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

2026-09-17T09:44:46.814821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090595
observed 8c897763e3ac520a7c04c6c219da3cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.797320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090595/manifest.json
observed 9cab5beafc27f4e6f0f645ed932fe28b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.779609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090595/publication.md
observed 1c8e654347ab01754ea31a9e2ab84955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.762071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090595/publication.txt
observed 1252e9bb9dc391ab3b6ac327896a587c...
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.