OpenTechnical

OT-2026-000018833

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000018833) never changes.

Identity and time

Publication numberOT-2026-000018833 · never reused
Internal UUID01a0ae6e-d521-788a-bc8f-c4e0f83372ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018833
StatusPUBLIC

Content hashes

Canonical text923c4b810915d6b956e481c92296b7635ae971ee48a9fda1016ef47982b37dda
Markdowne3887dcb2689f5167d444667082d968c43c39f8fd9d8dd1579498ea717964595
PDF
Publication pagec41e214681509fa4acd69b0551f38cf3c77bc04a2ccba778de826dcac8506cb2
Manifestf5f30525038380405e8b90630df4ba838d42d9bcb7c8eba7c94e40a8319f734d

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
Signaturee5z2jOxGAFtcHCjWVr29+7CBWCYILePMXV9IS12RPykVFHMeEYBpvpB8AuQdLyCa9WppNPoL1ji8IvQ4ZZY4Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:28.144664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018833
observed c41e214681509fa4acd69b0551f38cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.126662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018833/manifest.json
observed f5f30525038380405e8b90630df4ba83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.109824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018833/publication.md
observed e3887dcb2689f5167d444667082d968c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.090802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018833/publication.txt
observed 923c4b810915d6b956e481c92296b763...
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.