OpenTechnical

OT-2026-000077357

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000077357) never changes.

Identity and time

Publication numberOT-2026-000077357 · never reused
Internal UUID01a0ae94-f509-7d84-9226-513c59a75118 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077357
StatusPUBLIC

Content hashes

Canonical text131b18288420091a32d43943d107afd6dd28521ff69522202725a4b2b7dca560
Markdown43a47488aab662814904aeafcf9b67a0d305fdefdb344f9250ce801670578336
PDF
Publication page9fb8260f2a10e1213d67174ed658cb954946712de18ec82a48f5d76054240071
Manifestf2c4892b57538662b058e1bc0e9c7e08b1ef8c45ab3ba8be567348440d034332

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
SignatureNOUSQ+X9nKjMXtVpCZCjJOhts/R9E68o7Mlr8kX/pTIEz01bXjgsBpdP53G5dhXqi1pw8lsUE0Mn3GHg/KV7Ag==
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

2026-09-17T10:08:59.971811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077357
observed 9fb8260f2a10e1213d67174ed658cb95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.952353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077357/manifest.json
observed f2c4892b57538662b058e1bc0e9c7e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.933951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077357/publication.md
observed 43a47488aab662814904aeafcf9b67a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.915313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077357/publication.txt
observed 131b18288420091a32d43943d107afd6...
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.