OpenTechnical

OT-2026-000082810

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000082810) never changes.

Identity and time

Publication numberOT-2026-000082810 · never reused
Internal UUID01a0ae97-8cc9-7859-8292-1cf3ec90c758 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082810
StatusPUBLIC

Content hashes

Canonical text8d19008977d8a83dcb46a7b9acd886cdeaf5c7e2e2d0b0666a4083779a486e3f
Markdownf6a4ad9b7689cf94dc14232050ec9477bfa7ed8c8dd4fce7b1efe759d66db8cb
PDF
Publication page5b4099b1deef1c87fac15bd9cd44883721d23f29e2b265167d1f6b529d197230
Manifest6e99b9f493193ac237957fbebc5c0fb0dbd74e4fbba7bd38902601f440a6645e

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
Signature73OrYZluxsssehOq1xw/NykT/7K3z6m2UTQxGf2rpLE09GXSs/68dGvBr+1S02Ghuhr47OnLlE6ZXENqPKPABA==
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

2026-09-17T09:58:24.316482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082810
observed 5b4099b1deef1c87fac15bd9cd448837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.299045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082810/manifest.json
observed 6e99b9f493193ac237957fbebc5c0fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.280839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082810/publication.md
observed f6a4ad9b7689cf94dc14232050ec9477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.262074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082810/publication.txt
observed 8d19008977d8a83dcb46a7b9acd886cd...
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.