OpenTechnical

OT-2026-000090288

Publication integrity record

Two 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-2026-000090288) never changes.

Identity and time

Publication numberOT-2026-000090288 · never reused
Internal UUID01a0ae9c-4290-708b-ae9e-22f0a4c3aeee · 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-2026-000090288
StatusPUBLIC

Content hashes

Canonical text2bb06a1f0663a17c64a0b6f37a4091aaded855f8192bfc1804efdc4121dffdac
Markdownab74e1a52bf03c8f00ba8e98debb2a2b8f7b3cecd3368035b27a32f25362359e
PDF
Publication page4f256d33a18ee776073bfacef9769c001221a66a581d483e66f247e9b479f55e
Manifest063f30f092477e87878a5682b5ae55b289e94904a4412d34aa1ca675a625733f

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
Signature7KTGXL/Vv+Q5w98p+xwdvEYje2c/OAh0NYjogcSGDfVcSNggB+h9czUYTccV28fxHTFlvlIHF57b+MwoVjIVDw==
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

2026-09-17T09:45:32.640771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090288
observed 4f256d33a18ee776073bfacef9769c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.622025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090288/manifest.json
observed 063f30f092477e87878a5682b5ae55b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.605193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090288/publication.md
observed ab74e1a52bf03c8f00ba8e98debb2a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.583904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090288/publication.txt
observed 2bb06a1f0663a17c64a0b6f37a4091aa...
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.