OpenTechnical

OT-2026-000083188

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000083188) never changes.

Identity and time

Publication numberOT-2026-000083188 · never reused
Internal UUID01a0ae97-c963-7369-b124-6c6c2db3a02c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083188
StatusPUBLIC

Content hashes

Canonical text3bd54c8e9c265ae3c144b39ec9355ece3991855b1f6dddc7b34c3ccba9981169
Markdowndb01430872fbd608adc14e69edc2356565ca10198e4b3ccfab4dc30d09a8c9e0
PDF
Publication page5c7f4718a1d1bbbf090f600c250bb2bf2a2a0b9b6f31a533dc43da1d8976ea75
Manifest36688e13a6214b4d40a6366d974463cefc53840d015cd249d54b1248deed2e61

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
Signature7oiz9RVxrVWu4WLxReXsq5GqiBOiT+sq6Z0xitFemsMv/grPTyfqAqkEnBOrmxMo3owz7XKMkVvrDnwhO2tVCA==
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

2026-09-17T09:01:00.417258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083188
observed 5c7f4718a1d1bbbf090f600c250bb2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:00.399588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083188/manifest.json
observed 36688e13a6214b4d40a6366d974463ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:00.382261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083188/publication.md
observed db01430872fbd608adc14e69edc23565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:00.363050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083188/publication.txt
observed 3bd54c8e9c265ae3c144b39ec9355ece...
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.