OpenTechnical

OT-2026-000091737

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091737) never changes.

Identity and time

Publication numberOT-2026-000091737 · never reused
Internal UUID01a0ae9d-43b9-7be6-b9b8-eae98c7b46ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091737
StatusPUBLIC

Content hashes

Canonical text99c00b644226193f72012d323393a0e9dc93d04388905916dc25a9b044d34d38
Markdown6d99c946d976f08f63241ca6fd49e25c97e588a0f80c61f6f9d15da5ca35bdf9
PDF
Publication page5d93fdfe5034fb5ab15a23145a8570f2424234a08466a85c9e944ea558efb23d
Manifestb6140cde2ec592ba8ca38a182eea44a7a248374a499f4e028dbfe8f9dba36d75

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
SignatureQBYVyHUcTI9VB8xyDnf5hlD3g1zOOb2hG6kbENprefgv5CmAWJdSwMMpxAuS1LSFxDAMGUU43JoMNwAsz8jRBA==
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

2026-09-17T09:42:37.461109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091737
observed 5d93fdfe5034fb5ab15a23145a8570f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:37.443054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091737/manifest.json
observed b6140cde2ec592ba8ca38a182eea44a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:37.425656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091737/publication.md
observed 6d99c946d976f08f63241ca6fd49e25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:37.407677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091737/publication.txt
observed 99c00b644226193f72012d323393a0e9...
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.