OpenTechnical

OT-2026-000090880

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000090880) never changes.

Identity and time

Publication numberOT-2026-000090880 · never reused
Internal UUID01a0ae9c-c010-7b8c-92ef-c522caaf4080 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090880
StatusPUBLIC

Content hashes

Canonical textb708589edfed0a60594e3c111a234775d23178d55f9902f32447650a6523f3c1
Markdown955db0654a377bad82f9d495e303f0f2b13c1a32024f7377013c573ea5cfa64c
PDF
Publication pageaf4d51a57a089160ac793f7463a5cc40ca62e20624be17a963d4b620be6bed53
Manifest6fcb9adc45ab8056eba245eb14482f4cffed0803703a5b5ef8c0bf3974411d69

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
SignatureAZOm7asWoHM1ZfHCGPGULQC26sftJzQM3wkKWAXqu9gbIhD4TlD+wbR4d4B+ny8efECtYlh11GViriYf680VAQ==
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

2026-09-17T09:44:04.298947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090880
observed af4d51a57a089160ac793f7463a5cc40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:04.281932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090880/manifest.json
observed 6fcb9adc45ab8056eba245eb14482f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:04.263131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090880/publication.md
observed 955db0654a377bad82f9d495e303f0f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:04.244510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090880/publication.txt
observed b708589edfed0a60594e3c111a234775...
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.