OpenTechnical

OT-2026-000090273

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000090273) never changes.

Identity and time

Publication numberOT-2026-000090273 · never reused
Internal UUID01a0ae9c-4290-7f13-9ba9-fa69bc3fcc06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090273
StatusPUBLIC

Content hashes

Canonical textb5121e077e93db93f1b74a64cfee29953c3ffeb8cbb55abeac0becaa23e06331
Markdownde67784a731f70669afd53937f0aa2a6216f004ce5199367e077f1ad5aac50bd
PDF
Publication pagef501f73fd5c1dd5c21ed090585e2dbe2d6df6042fe36a68d3f0f7b42be054ba7
Manifest095ba93489d844587b7fe7d5117458c99fcea689f7303d88f27d5146ddcf8fb1

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
Signatureql0eVm0dUpjp3mTiiSOJlpkIMpT69Lz+M8T1NR7k4qzGsc4V7LiADjilLUizJAvJ5ig3LkSGI+Q90sos4XTCCA==
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

2026-09-17T09:46:21.279152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090273
observed f501f73fd5c1dd5c21ed090585e2dbe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:21.261030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090273/manifest.json
observed 095ba93489d844587b7fe7d5117458c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:21.242271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090273/publication.md
observed de67784a731f70669afd53937f0aa2a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:21.218922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090273/publication.txt
observed b5121e077e93db93f1b74a64cfee2995...
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.